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Investment Securities - Summary of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Investments, Debt and Equity Securities [Abstract]
Due in one year or less, Amortized Cost, Held-to-maturity	$ 768
Due after one year through five years, Amortized Cost, Held-to-maturity	358,973
Due after five years through ten years, Amortized Cost, Held-to-maturity	103,004
Due after ten years, Amortized Cost, Held-to-maturity	179,510
Total Held-to-maturity, Debt Maturities, Amortized Cost Basis	642,255
Due in one year or less, Fair Value, Held-to-maturity	788
Due after one year through five years, Fair Value, Held-to-maturity	367,734
Due after five years through ten years, Fair Value, Held-to-maturity	104,787
Due after ten years, Fair Value, Held-to-maturity	184,510
Total, Held-to-maturity, Fair Value	657,819
Due in one year or less, Amortized Cost, Available-for-sale	13,043
Due after one year through five years, Amortized Cost, Available-for-sale	1,376,413
Due after five years through ten years, Amortized Cost, Available-for-sale	176,690
Due after ten years, Amortized Cost, Available-for-sale	55,090
Amortized Cost, Available-for-sale	1,621,236	$ 1,718,357
Due in one year or less, Fair Value, Available-for-sale	13,160
Due after one year through five years, Fair Value, Available-for-sale	1,427,373
Due after five years through ten years, Fair Value, Available-for-sale	182,573
Due after ten years, Fair Value, Available-for-sale	56,649
Total Available-for-sale Securities, Debt Maturities, Available-for-sale, Fair Value	$ 1,679,755	$ 1,740,257

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Assets
Cash and due from banks	$ 138,615	$ 158,310
Interest-earning balances due from Federal Reserve	567,124	27,208
Total cash and cash equivalents	705,739	185,518
Interest-earning balances due from depository institutions	23,799	2,931
Investment securities available-for-sale, at fair value (with amortized cost of $1,621,236 at March 31, 2020, and $1,718,357 at December 31, 2019)	1,679,755	1,740,257
Investment securities held-to-maturity (with fair value of $657,819 at March 31, 2020, and $678,948 at December 31, 2019)	642,255	674,452
Total investment securities	2,322,010	2,414,709
Investment in stock of Federal Home Loan Bank (FHLB)	17,688	17,688
Loans and lease finance receivables	7,466,152	7,564,577
Allowance for credit losses	(82,641)	(68,660)
Net loans and lease finance receivables	7,383,511	7,495,917
Premises and equipment, net	52,867	53,978
Bank owned life insurance (BOLI)	225,455	226,281
Accrued interest receivable	26,855	28,122
Intangibles	40,541	42,986
Goodwill	663,707	663,707
Other real estate owned (OREO)	4,889	4,889
Income taxes	10,473	35,587
Other assets	129,354	110,137
Total assets	11,606,888	11,282,450
Deposits:
Noninterest-bearing	5,572,649	5,245,517
Interest-bearing	3,540,955	3,459,411
Total deposits	9,113,604	8,704,928
Customer repurchase agreements	368,915	428,659
Other borrowings	0	0
Deferred compensation	22,454	22,666
Junior subordinated debentures	25,774	25,774
Other liabilities	134,755	106,325
Total liabilities	9,665,502	9,288,352
Stockholders' Equity
Common stock, authorized, 225,000,000 shares without par; issued and outstanding 135,510,960 at March 31, 2020, and 140,102,480 at December 31, 2019	1,208,049	1,298,792
Retained earnings	694,931	682,692
Accumulated other comprehensive income (loss), net of tax	38,406	12,614
Total stockholders' equity	1,941,386	1,994,098
Total liabilities and stockholders' equity	$ 11,606,888	$ 11,282,450

Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning balance at Dec. 31, 2018	$ 1,851,190	$ 1,293,669	$ 575,805	$ (18,284)
Beginning balance, shares at Dec. 31, 2018		140,000
Repurchase of common stock	(735)	$ (735)
Repurchase of common stock, shares		(33)
Exercise of stock options	140	$ 140
Exercise of stock options, shares		9
Shares issued pursuant to stock-based compensation plan	1,019	$ 1,019
Shares issued pursuant to stock-based compensation plan, shares		33
Cash dividends declared on common stock ($0.18 per share)	(25,168)		(25,168)
Net earnings	51,642		51,642
Other comprehensive income	12,839
Ending balance at Mar. 31, 2019	1,890,927	$ 1,294,093	602,279	(5,445)
Ending balance, shares at Mar. 31, 2019		140,009
Beginning balance at Dec. 31, 2019	1,994,098	$ 1,298,792	682,692	12,614
Beginning balance, shares at Dec. 31, 2019		140,102
Cumulative adjustment upon adoption of ASU 2016-13 at Dec. 31, 2019	(1,325)		(1,325)
Repurchase of common stock	(92,402)	$ (92,402)
Repurchase of common stock, shares		(4,988)
Exercise of stock options	42	$ 42
Exercise of stock options, shares		4
Shares issued pursuant to stock-based compensation plan	1,617	$ 1,617
Shares issued pursuant to stock-based compensation plan, shares		393
Cash dividends declared on common stock ($0.18 per share)	(24,416)		(24,416)
Net earnings	37,980		37,980
Other comprehensive income	25,792			25,792
Ending balance at Mar. 31, 2020	$ 1,941,386	$ 1,208,049	$ 694,931	$ 38,406
Ending balance, shares at Mar. 31, 2020		135,511

Fair Value Information - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps, liabilities	$ 402,170	$ 440,161
Interest Rate Swaps [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps, assets	0	0
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps, assets	33,255	11,502
Interest rate swaps, liabilities	33,255	11,502
Fair Value on Recurring Basis [Member] \| Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets	0	0
Total liabilities	0	0
Fair Value on Recurring Basis [Member] \| Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets	1,713,010	1,751,759
Total liabilities	33,255	11,502
Fair Value on Recurring Basis [Member] \| Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets	0	0
Total liabilities	0	0
Fair Value on Recurring Basis [Member] \| Municipal Bonds [Member] \| Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	0	0
Fair Value on Recurring Basis [Member] \| Municipal Bonds [Member] \| Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	37,032	39,354
Fair Value on Recurring Basis [Member] \| Municipal Bonds [Member] \| Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	0	0
Fair Value on Recurring Basis [Member] \| Residential Mortgage-backed Securities [Member] \| Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	0	0
Fair Value on Recurring Basis [Member] \| Residential Mortgage-backed Securities [Member] \| Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	1,161,931	1,206,313
Fair Value on Recurring Basis [Member] \| Residential Mortgage-backed Securities [Member] \| Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	0	0
Fair Value on Recurring Basis [Member] \| CMO/REMIC - Residential [Member] \| Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	0	0
Fair Value on Recurring Basis [Member] \| CMO/REMIC - Residential [Member] \| Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	480,093	493,710
Fair Value on Recurring Basis [Member] \| CMO/REMIC - Residential [Member] \| Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	0	0
Fair Value on Recurring Basis [Member] \| Other Securities [Member] \| Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	0	0
Fair Value on Recurring Basis [Member] \| Other Securities [Member] \| Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	699	880
Fair Value on Recurring Basis [Member] \| Other Securities [Member] \| Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	0	0
Fair Value on Recurring Basis [Member] \| Investment Securities-AFS [Member] \| Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	0	0
Fair Value on Recurring Basis [Member] \| Investment Securities-AFS [Member] \| Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	1,679,755	1,740,257
Fair Value on Recurring Basis [Member] \| Investment Securities-AFS [Member] \| Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	0	0
Fair Value on Recurring Basis [Member] \| Interest Rate Swaps [Member] \| Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps, assets	0	0
Interest rate swaps, liabilities	0	0
Fair Value on Recurring Basis [Member] \| Interest Rate Swaps [Member] \| Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps, assets	33,255	11,502
Interest rate swaps, liabilities	33,255	11,502
Fair Value on Recurring Basis [Member] \| Interest Rate Swaps [Member] \| Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps, assets	0	0
Interest rate swaps, liabilities	0	0
Fair Value on Recurring Basis [Member] \| Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total assets	1,713,010	1,751,759
Total liabilities	33,255	11,502
Fair Value on Recurring Basis [Member] \| Carrying Value [Member] \| Municipal Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	37,032	39,354
Fair Value on Recurring Basis [Member] \| Carrying Value [Member] \| Residential Mortgage-backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	1,161,931	1,206,313
Fair Value on Recurring Basis [Member] \| Carrying Value [Member] \| CMO/REMIC - Residential [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	480,093	493,710
Fair Value on Recurring Basis [Member] \| Carrying Value [Member] \| Other Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	699	880
Fair Value on Recurring Basis [Member] \| Carrying Value [Member] \| Investment Securities-AFS [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities - AFS	1,679,755	1,740,257
Fair Value on Recurring Basis [Member] \| Carrying Value [Member] \| Interest Rate Swaps [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps, assets	33,255	11,502
Interest rate swaps, liabilities	$ 33,255	$ 11,502

Business

3 Months Ended

Mar. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Business

BUSINESS

The condensed consolidated financial statements include CVB Financial Corp. (referred to herein on an unconsolidated basis as “CVB” and on a consolidated basis as “we,” “our” or the “Company”) and its wholly owned subsidiary, Citizens Business Bank (the “Bank” or “CBB”), after elimination of all intercompany transactions and balances. The Company has one inactive subsidiary, Chino Valley Bancorp. The Company is also the common stockholder of CVB Statutory Trust III. CVB Statutory Trust III was created in January 2006 to issue trust preferred securities in order to raise capital for the Company. In accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 810, Consolidation, this trust does not meet the criteria for consolidation.

The Company’s primary operations are related to traditional banking activities. This includes the acceptance of deposits and the lending and investing of money through the operations of the Bank. The Bank also provides trust and investment-related services to customers through its CitizensTrust Division. The Bank’s customers consist primarily of small to

mid-sized

businesses and individuals located in the Inland Empire, Los Angeles County, Orange County, San Diego County, Ventura County, Santa Barbara County, and the Central Valley area of California. The Bank operates 58 banking centers, one loan production office in Modesto, California and three trust office locations. The Company is headquartered in the city of Ontario, California.

Earnings Per Share Reconciliation - Additional Information (Detail) - shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Antidilutive securities excluded from computation of earnings per common share	269,000	396,000

Derivative Financial Instruments

3 Months Ended

Mar. 31, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

8.	DERIVATIVE FINANCIAL INSTRUMENTS

The Bank is exposed to certain risks relating to its ongoing business operations and utilizes interest rate swap agreements (“swaps”) as part of its asset/liability management strategy to help manage its interest rate risk position. As of March 31, 2020, the Bank has entered into 91 interest-rate swap agreements with customers. The Bank then entered into identical offsetting swaps with a counterparty. The swap agreements are not designated as hedging instruments. The purpose of entering into offsetting derivatives not designated as a hedging instrument is to provide the Bank a variable-rate loan receivable and to provide the customer the financial effects of a fixed-rate loan without creating significant volatility in the Bank’s earnings.

The structure of the swaps is as follows. The Bank enters into an interest rate swap with its customers in which the Bank pays the customer a variable rate and the customer pays the Bank a fixed rate, therefore allowing customers to convert variable rate loans to fixed rate loans. At the same time, the Bank enters into a swap with the counterparty bank in which the Bank pays the counterparty a fixed rate and the counterparty in return pays the Bank a variable rate. The net effect of the transaction allows the Bank to receive interest on the loan from the customer at a variable rate based on LIBOR plus a spread. The changes in the fair value of the swaps primarily offset each other and therefore should not have a significant impact on the Company’s results of operations, although the Company does incur credit and counterparty risk with respect to performance on the swap agreements by the Bank’s customer and counterparty, respectively. As a result of the Bank exceeding $10 billion in assets, federal regulations require the Bank, beginning in January 2019, to clear most interest rate swaps through a clearing house (“centrally cleared”). These instruments contain language outlining collateral pledging requirements for each counterparty, in which collateral must be posted if market value exceeds certain agreed upon threshold limits. Cash or securities are pledged as collateral. Our interest rate swap derivatives are subject to a master netting arrangement with our counterparties. None of our derivative assets and liabilities are offset in the Company’s condensed consolidated balance sheet.

We believe our risk of loss associated with our counterparty borrowers related to interest rate swaps is mitigated as the loans with swaps are underwritten to take into account potential additional exposure, although there can be no assurances in this regard since the performance of our swaps is subject to market and counterparty risk.

Balance Sheet Classification of Derivative Financial Instruments

As of March 31, 2020 and December 31, 2019, the total notional amount of the Company’s swaps was $269.8 million, and $260.0 million, respectively. The location of the asset and liability, and their respective fair values, are summarized in the tables below.

March 31, 2020

Asset Derivatives

Liability Derivatives

Balance Sheet

Location

Fair

Value

Balance Sheet

Location

Fair

Value

(Dollars in thousands)

Derivatives not designated as hedging instruments:

Interest rate swaps

Other assets

33,255

Other liabilities

33,255

Total derivatives

33,255

December 31, 2019

Asset Derivatives

Liability Derivatives

Balance Sheet

Location

Fair

Value

Balance Sheet
Location

Fair

Value

(Dollars in thousands)

Derivatives not designated as hedging instruments:

Interest rate swaps

Other assets

11,502

Other liabilities

11,502

Total derivatives

11,502

The Effect of Derivative Financial Instruments on the Condensed Consolidated Statements of Earnings

The following table summarizes the effect of derivative financial instruments on the condensed consolidated statement of earnings for the periods presented.


Derivatives Not Designated as Hedging Instruments	Location of Gain Recognized in Income on Derivative Instruments		Amount of Gain Recognized in Income on Derivative Instruments
			Three Months Ended March 31,
			2020		2019
			(Dollars in thousands)
Interest rate swaps		Other income	$	373	$	384

Total			$	373	$	384

Fair Value Information (Tables)

3 Months Ended

Mar. 31, 2020

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The tables below present the balances of assets and liabilities measured at fair value on a recurring basis as of the dates presented.


	Carrying Value at March 31, 2020		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Description of assets
Investment securities - AFS:
Mortgage-backed securities	$	1,161,931	$	-	$	1,161,931	$	-
CMO/REMIC		480,093		-		480,093		-
Municipal bonds		37,032		-		37,032		-
Other securities		699		-		699		-

Total investment securities - AFS		1,679,755		-		1,679,755		-
Interest rate swaps		33,255		-		33,255		-

Total assets	$	1,713,010	$	-	$	1,713,010	$	-

Description of liability
Interest rate swaps	$	33,255	$	-	$	33,255	$	-

Total liabilities	$	33,255	$	-	$	33,255	$	-


	Carrying Value at December 31, 2019		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Description of assets
Investment securities - AFS:
Mortgage-backed securities	$	1,206,313	$	-	$	1,206,313	$	-
CMO/REMIC		493,710		-		493,710		-
Municipal bonds		39,354		-		39,354		-
Other securities		880		-		880		-

Total investment securities - AFS		1,740,257		-		1,740,257		-
Interest rate swaps		11,502		-		11,502		-

Total assets	$	1,751,759	$	-	$	1,751,759	$	-

Description of liability
Interest rate swaps	$	11,502	$	-	$	11,502	$	-

Total liabilities	$	11,502	$	-	$	11,502	$	-

Assets and Liabilities Measured at Fair Value on Non-Recurring Basis

the following tables provide the level of valuation assumptions used to determine each adjustment and the carrying value of the related assets that had losses during the period.


	Carrying Value at March 31, 2020		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Losses For the Three Months Ended March 31, 2020
	(Dollars in thousands)
Description of assets
Loans:
Commercial and industrial	$	903	$	-	$	-	$	903	$	9024
SBA		1,000		-		-		1,000		36
Real estate:
Commercial real estate		-		-		-		-		-
Construction		-		-		-		-		-
SFR mortgage		-		-		-		-		-
Dairy & livestock and agribusiness		-		-		-		-		-
Consumer and other loans		-		-		-		-		-
Other real estate owned		-		-		-		-		-
Asset held-for-sale		-		-		-		-		-

Total assets	$	1,903	$	-	$	-	$	1,903	$	938


	Carrying Value at December 31, 2019		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Losses For the Year Ended December 31, 2019
	(Dollars in thousands)
Description of assets
Impaired loans:
Commercial and industrial	$	253	$	-	$	-	$	253	$	251
SBA		359		-		-		359		513
Real estate:
Commercial real estate		-		-		-		-		-
Construction		-		-		-		-		-
SFR mortgage		-		-		-		-		-
Dairy & livestock and agribusiness		-		-		-		-		-
Consumer and other loans		-		-		-		-		-
Other real estate owned		444		-		-		444		64
Asset held-for-sale		-		-		-		-		-

Total assets	$	1,056	$	-	$	-	$	1,056	$	828

Estimated Fair Value of Financial Instruments

The following disclosure presents estimated fair value of our financial instruments. The estimated fair value amounts have been determined by the Company using available market information and appropriate valuation methodologies. However, considerable judgment is required to develop the estimates of fair value. Accordingly, the estimates presented below are not necessarily indicative of the amounts the Company may realize in a current market exchange as of March 31, 2020 and December 31, 2019, respectively. The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts.

	March 31, 2020
	Carrying		Estimated Fair Value
	Amount		Level 1		Level 2		Level 3		Total
	(Dollars in thousands)
Assets
Total cash and cash equivalents	$	705,739	$	705,739	$	-	$	-	$	705,739
Interest-earning balances due from depository institutions		23,799		-		23,840		-		23,840
Investment securities available-for-sale		1,679,755		-		1,679,755		-		1,679,755
Investment securities held-to-maturity		642,255		-		657,819		-		657,819
Total loans, net of allowance for credit losses		7,383,511		-		-		7,338,946		7,338,946
Swaps		33,255		-		33,255		-		33,255
Liabilities
Deposits:
Interest-bearing	$	3,540,955	$	-	$	3,540,407	$	-	$	3,540,407
Borrowings		368,915		-		368,654		-		368,654
Junior subordinated debentures		25,774		-		-		13,619		13,619
Swaps		33,255		-		33,255		-		33,255

	December 31, 2019
	Carrying		Estimated Fair Value
	Amount		Level 1		Level 2		Level 3		Total
	(Dollars in thousands)
Assets
Total cash and cash equivalents	$	185,518	$	185,518	$	-	$	-	$	185,518
Interest-earning balances due from depository institutions		2,931		-		2,938		-		2,938
Investment securities available-for-sale		1,740,257		-		1,740,257		-		1,740,257
Investment securities held-to-maturity		674,452		-		678,948		-		678,948
Total loans, net of allowance for loan losses		7,495,917		-		-		7,343,167		7,343,167
Swaps		11,502		-		11,502		-		11,502
Liabilities
Deposits:
Interest-bearing	$	3,459,411	$	-	$	3,457,922	$	-	$	3,457,922
Borrowings		428,659		-		428,330		-		428,330
Junior subordinated debentures		25,774		-		-		20,669		20,669
Swaps		11,502		-		11,502		-		11,502

Loans and Lease Finance Receivables and Allowance for Loan Losses - Schedule of Recorded Investment in, and Aging of, Past Due and Nonaccrual Loans, Including PCI Loans by Class of Loans (Parenthetical) (Detail) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing loans, current	$ 982,000	$ 1,200,000
Nonaccrual	6,428,000	5,277,000
Small Business Administration Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	2,748,000	2,032,000
Small Business Administration Loans [Member] \| Financial Guarantee [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	1,700,000	2,000,000.0
30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	154,000	59,000
60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	1,300,000	1,100,000
90+ Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	$ 4,000,000.0	$ 2,900,000

Earnings Per Share Reconciliation (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Common Share Reconciliation

The table below shows earnings per common share and diluted earnings per common share, and reconciles the numerator and denominator of both earnings per common share calculations.


	Three Months Ended March 31,
	2020		2019
	(In thousands, except per share amounts)
Earnings per common share:
Net earnings	$	37,980	$	51,642
Less: Net earnings allocated to restricted stock		83		141

Net earnings allocated to common shareholders	$	37,897	$	51,501

Weighted average shares outstanding		139,107		139,615
Basic earnings per common share	$	0.27	$	0.37


Diluted earnings per common share:
Net income allocated to common shareholders		37,897		51,501

Weighted average shares outstanding		139,107		139,615
Incremental shares from assumed exercise of outstanding options		209		216

Diluted weighted average shares outstanding		139,316		139,831
Diluted earnings per common share	$	0.27	$	0.37

Earnings Per Share Reconciliation - Schedule of Earnings Per Common Share Reconciliation (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings per common share:
Net earnings	$ 37,980	$ 51,642
Less: Net earnings allocated to restricted stock	83	141
Net earnings allocated to common shareholders	$ 37,897	$ 51,501
Weighted average shares outstanding	139,107	139,615
Basic earnings per common share	$ 0.27	$ 0.37
Diluted earnings per common share:
Net income allocated to common shareholders	$ 37,897	$ 51,501
Weighted average shares outstanding	139,107	139,615
Incremental shares from assumed exercise of outstanding options	209	216
Diluted weighted average shares outstanding	139,316	139,831
Diluted earnings per common share	$ 0.27	$ 0.37

Derivative Financial Instruments - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2020 USD ($) Agreement	Dec. 31, 2019 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Derivative assets and liabilities offset in balance sheet	$ 0
Total notional amount of the Company's swaps	$ 269,800,000	$ 260,000,000.0
Description of Conditions Relating to Clearing of Interest rate Swaps	As a result of the Bank exceeding $10 billion in assets, federal regulations require the Bank, beginning in January 2019, to clear most interest rate swaps through a clearing house (“centrally cleared”). These instruments contain language outlining collateral pledging requirements for each counterparty, in which collateral must be posted if market value exceeds certain agreed upon threshold limits. Cash or securities are pledged as collateral.
Interest-rate Swap Agreements with Customers [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Number of interest-rate swap agreements \| Agreement	91

Derivative Financial Instruments - Fair Value of Derivative Instruments (Detail) - Derivatives Not Designated as Hedging Instruments [Member] - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Other Assets [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 33,255	$ 11,502
Other Assets [Member] \| Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives	33,255	11,502
Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives	33,255	11,502
Other Liabilities [Member] \| Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives	$ 33,255	$ 11,502

Loans and Lease Finance Receivables and Allowance for Loan Losses - Summary of Activity Related to Troubled Debt Restructurings (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Performing TDRs [Member]
Financing Receivable, Modifications [Line Items]
Beginning balance	$ 3,112	$ 3,594
New modifications	0	0
Payoffs/payments, net and other	(299)	(295)
TDRs returned to accrual status	0	0
TDRs placed on nonaccrual status	0	0
Ending balance	2,813	3,299
Nonperforming TDRs [Member]
Financing Receivable, Modifications [Line Items]
Beginning balance	244	3,509
New modifications	0	0
Charge-offs	0	(78)
Transfer to OREO	0	(2,275)
Payoffs/payments, net and other	(244)	(879)
TDRs returned to accrual status	0	0
TDRs placed on nonaccrual status	0	0
Ending balance	0	277
Total TDRs	$ 2,813	$ 3,576

Revenue Recognition - Summary of Non Interest Income, Segregated by Revenue Streams in-Scope and Out-of-Scope of Topic 606 (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Noninterest income:
Gain on OREO, net	$ 0	$ 105
Other	1,798	2,044
Total noninterest income	11,640	16,303
Service Charges on Deposit Accounts [Member]
Noninterest income:
Revenue from contract with customer	4,776	5,141
Trust and Investment Services [Member]
Noninterest income:
Revenue from contract with customer	2,420	2,182
Bankcard Services [Member]
Noninterest income:
Revenue from contract with customer	577	950
Accounting Standards Update 2014-09 [Member]
Noninterest income:
Gain on OREO, net	10	105
Other	1,798	2,044
Total noninterest income	9,581	10,422
Accounting Standards Update 2014-09 [Member] \| Service Charges on Deposit Accounts [Member]
Noninterest income:
Revenue from contract with customer	4,776	5,141
Accounting Standards Update 2014-09 [Member] \| Trust and Investment Services [Member]
Noninterest income:
Revenue from contract with customer	2,420	2,182
Accounting Standards Update 2014-09 [Member] \| Bankcard Services [Member]
Noninterest income:
Revenue from contract with customer	577	950
Accounting Standards Update 2014-09 Not Adopted [Member]
Noninterest income:
Total noninterest income	$ 2,059	$ 5,881

Leases

3 Months Ended

Mar. 31, 2020

Leases [Abstract]

Leases

11.

LEASES

The Company’s operating leases, where the Company is a lessee, include real estate, such as office space and banking centers. Lease expense for operating leases is recognized on a straight-line basis over the term of the lease and is reflected in the consolidated statement of earnings. ROU assets and lease liabilities are included in other assets and other liabilities, respectively, on the Company’s condensed consolidated balance sheet.

While the Company has, as a lessor, certain equipment finance leases, such leases are not material to the Company’s consolidated financial statements.

The tables below present the components of lease costs and supplemental information related to leases as of and for the periods presented.


	March 31, 2020		December 31, 2019
	(Dollars in thousands)
Lease Assets and Liabilities
ROU assets	$	16,917	$	18,522
Total lease liabilities	$	19,484	$	21,392

	Three Months Ended March 31,
	2020		2019
	(Dollars in thousands)
Lease Cost
Operating lease expense (1)	$	1,623	$	2,100
Sublease income		-		-

Total lease expense	$	1,623	$	2,100

(1)

Includes short-term leases and variable lease costs, which are immaterial.


Other Information
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflows from operating leases, net	$	1,935		$	2,746

	March 31, 2020			December 31, 2019
Lease Term and Discount Rate
Weighted average remaining lease term (years)		3.99			4.18
Weighted average discount rate		3.34	%		3.34	%

The Company’s lease arrangements that have not yet commenced as of March 31, 2020 and the Company’s short-term lease costs and variable lease costs, for the three months ended March 31, 2020 are not material to the consolidated financial statements. The future lease payments required for leases that have initial or remaining

non-cancelable

lease terms in excess of one year as of March 31, 2020, excluding property taxes and insurance, are as follows:


	March 31, 2020
	(Dollars in thousands)
Year:
2020 (excluding the three months ended March 31, 2020)	$	5,179
2021		5,509
2022		4,322
2023		2,540
2024		1,495
Thereafter		1,781

Total future lease payments		20,826
Less: Imputed interest		(1,342	)

Present value of lease liabilities	$	19,484

Loans and Lease Finance Receivables and Allowance for Loan Losses - Summary of Recorded Investment in Collateral-Dependent loans (Detail) $ in Thousands	Mar. 31, 2020 USD ($) Collateral
Financing Receivable, Modifications [Line Items]
Real Estate	$ 4,236
Business Assets	4,176
Other	$ 38
Number of Instruments Dependent on Collateral \| Collateral	43
Commercial and Industrial [Member]
Financing Receivable, Modifications [Line Items]
Real Estate	$ 112
Business Assets	1,652
Other	$ 8
Number of Instruments Dependent on Collateral \| Collateral	12
Small Business Administration [Member]
Financing Receivable, Modifications [Line Items]
Real Estate	$ 1,852
Business Assets	2,524
Other	$ 8
Number of Instruments Dependent on Collateral \| Collateral	19
Construction [Member]
Financing Receivable, Modifications [Line Items]
Real Estate	$ 0
Business Assets	0
Other	$ 0
Number of Instruments Dependent on Collateral \| Collateral	0
SFR Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Real Estate	$ 864
Business Assets	0
Other	$ 0
Number of Instruments Dependent on Collateral \| Collateral	3
Dairy & Livestock and Agribusiness [Member]
Financing Receivable, Modifications [Line Items]
Real Estate	$ 0
Business Assets	0
Other	$ 0
Number of Instruments Dependent on Collateral \| Collateral	0
Municipal Lease Finance Receivables [Member]
Financing Receivable, Modifications [Line Items]
Real Estate	$ 0
Business Assets	0
Other	$ 0
Number of Instruments Dependent on Collateral \| Collateral	0
Consumer and Other Loans [Member]
Financing Receivable, Modifications [Line Items]
Real Estate	$ 84
Business Assets	0
Other	$ 22
Number of Instruments Dependent on Collateral \| Collateral	4
Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Real Estate	$ 1,324
Business Assets	0
Other	$ 0
Number of Instruments Dependent on Collateral \| Collateral	5

Earnings Per Share Reconciliation

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Earnings Per Share Reconciliation

6.	EARNINGS PER SHARE RECONCILIATION

Basic earnings per common share are computed by dividing income allocated to common stockholders by the weighted-average number of common shares outstanding during each period. The computation of diluted earnings per common share considers the number of shares issuable upon the assumed exercise of outstanding common stock options. Antidilutive common shares are not included in the calculation of diluted earnings per common share. For the three months ended March 31, 2020 and 2019, shares deemed to be antidilutive, and thus excluded from the computation of earnings per common share, were 269,000 and 396,000, respectively.

The table below shows earnings per common share and diluted earnings per common share, and reconciles the numerator and denominator of both earnings per common share calculations.


	Three Months Ended March 31,
	2020		2019
	(In thousands, except per share amounts)
Earnings per common share:
Net earnings	$	37,980	$	51,642
Less: Net earnings allocated to restricted stock		83		141

Net earnings allocated to common shareholders	$	37,897	$	51,501

Weighted average shares outstanding		139,107		139,615
Basic earnings per common share	$	0.27	$	0.37


Diluted earnings per common share:
Net income allocated to common shareholders		37,897		51,501

Weighted average shares outstanding		139,107		139,615
Incremental shares from assumed exercise of outstanding options		209		216

Diluted weighted average shares outstanding		139,316		139,831
Diluted earnings per common share	$	0.27	$	0.37

Investment Securities (Tables)

3 Months Ended

Mar. 31, 2020

Investments, Debt and Equity Securities [Abstract]

Summary of Amortized Cost and Estimated Fair Value of Investment Securities

	March 31, 2020
	Amortized Cost		Gross Unrealized Holding Gain		Gross Unrealized Holding Loss		Fair Value		Total Percent
	(Dollars in thousands)
Investment securities available-for-sale:
Mortgage-backed securities	$	1,118,385	$	43,546	$	-	$	1,161,931		69.18%
CMO/REMIC		466,033		14,060		-		480,093		28.58%
Municipal bonds		36,119		913		-		37,032		2.20%
Other securities		699		-		-		699		0.04%

Total available-for-sale securities	$	1,621,236	$	58,519	$	-	$	1,679,755		100.00%

Investment securities held-to-maturity:
Government agency/GSE	$	111,452	$	3,468	$	(207)	$	114,713		17.35%
Mortgage-backed securities		161,983		8,182		-		170,165		25.22%
CMO/REMIC		184,316		591		(98)		184,809		28.70%
Municipal bonds		184,504		4,054		(426)		188,132		28.73%

Total held-to-maturity securities	$	642,255	$	16,295	$	(731)	$	657,819		100.00%


	December 31, 2019
	Amortized Cost		Gross Unrealized Holding Gain		Gross Unrealized Holding Loss		Fair Value		Total Percent
	(Dollars in thousands)
Investment securities available-for-sale:
Mortgage-backed securities	$	1,185,757	$	21,306	$	(750)	$	1,206,313		69.32%
CMO/REMIC		493,214		1,392		(896)		493,710		28.37%
Municipal bonds		38,506		850		(2)		39,354		2.26%
Other securities		880		-		-		880		0.05%

Total available-for-sale securities	$	1,718,357	$	23,548	$	(1,648)	$	1,740,257		100.00%

Investment securities held-to-maturity:
Government agency/GSE	$	117,366	$	2,280	$	(657)	$	118,989		17.40%
Mortgage-backed securities		168,479		2,083		(54)		170,508		24.98%
CMO/REMIC		192,548		-		(2,458)		190,090		28.55%
Municipal bonds		196,059		3,867		(565)		199,361		29.07%

Total held-to-maturity securities	$	674,452	$	8,230	$	(3,734)	$	678,948		100.00%

Summary of Interest Income Earned on Investment Securities

The following table provides information about the amount of interest income earned on investment securities which is fully taxable and which is exempt from regular federal income tax.

	Three Months Ended March 31,
	2020		2019
	(Dollars in thousands)
Investment securities available-for-sale:
Taxable	$	9,825	$	10,309
Tax-advantaged		224		336

Total interest income from available-for-sale securities		10,049		10,645

Investment securities held-to-maturity:
Taxable		2,698		2,910
Tax-advantaged		1,300		1,615

Total interest income from held-to-maturity securities		3,998		4,525

Total interest income from investment securities	$	14,047	$	15,170

Summary of Continuous Unrealized Loss Position of Securities

The tables below show the Company’s investment securities’ gross unrealized losses and fair value by investment category and length of time that individual securities have been in a continuous unrealized loss position at

December 31, 2019, prior to adoption of ASU 2016-13. Management

previously

reviewed individual securities to determine whether a decline in fair value below the amortized cost basis is other-than-temporary. The unrealized losses on these securities were primarily attributed to changes in interest rates. The issuers of these securities have not, to our knowledge, evidenced any cause for default on these securities. These securities have fluctuated in value since their purchase dates as market interest rates have fluctuated. However, we have the ability and the intention to hold these securities until their fair values recover to cost or maturity. As such, management does not deem these securities to be other-than-temporarily-impaired

	December 31, 2019
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized Holding Losses			Fair Value		Gross Unrealized Holding Losses			Fair Value		Gross Unrealized Holding Losses
	(Dollars in thousands)
Investment securities available-for-sale:
Mortgage-backed securities	$	20,289	$	(6	)	$	97,964	$	(744	)	$	118,253	$	(750	)
CMO/REMIC		177,517		(705	)		34,565		(191	)		212,082		(896	)
Municipal bonds		-		-			563		(2	)		563		(2	)

Total available-for-sale securities	$	197,806	$	(711	)	$	133,092	$	(937	)	$	330,898	$	(1,648	)

Investment securities held-to-maturity:
Government agency/GSE	$	28,359	$	(252	)	$	19,405	$	(405	)	$	47,764	$	(657	)
Mortgage-backed securities		10,411		(54	)		-		-			10,411		(54	)
CMO/REMIC		23,897		(104	)		166,193		(2,354	)		190,090		(2,458	)
Municipal bonds		7,583		(32	)		29,981		(533	)		37,564		(565	)

Total held-to-maturity securities	$	70,250	$	(442	)	$	215,579	$	(3,292	)	$	285,829	$	(3,734	)

Summary of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity

Mortgage-backed and CMO/REMIC securities are included in maturity categories based upon estimated average lives

which incorporate estimated prepayment speeds.


	March 31, 2020
	Available-for-sale				Held-to-maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(Dollars in thousands)
Due in one year or less	$	13,043	$	13,160	$	768	$	788
Due after one year through five years		1,376,413		1,427,373		358,973		367,734
Due after five years through ten years		176,690		182,573		103,004		104,787
Due after ten years		55,090		56,649		179,510		184,510

Total investment securities	$	1,621,236	$	1,679,755	$	642,255	$	657,819

Fair Value Information

3 Months Ended

Mar. 31, 2020

Fair Value Disclosures [Abstract]

Fair Value Information

7.	FAIR VALUE INFORMATION

Fair Value Hierarchy

Fair value is the exchange price that would be received for an asset or paid to transfer a liability (exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date.

The following disclosure provides the fair value information for financial assets and liabilities as of March 31, 2020. The fair value hierarchy prioritizes the inputs to valuation techniques used to measure fair value into three broad levels (Level 1, Level 2 and Level 3).

•

Level 1

– Quoted prices in active markets for identical assets or liabilities in active markets that are accessible at the measurement date.

•

Level 2

– Observable inputs other than Level 1, including quoted prices for similar assets and liabilities in active markets, quoted prices in less active markets, or other observable inputs or model-derived valuations that can be corroborated by observable market data, either directly or indirectly, for substantially the full term of the financial instrument.

•

Level 3

– Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable. These valuation methodologies generally include pricing models, discounted cash flow models, or a determination of fair value that requires significant management judgment or estimation.

There were no transfers in and out of Level 1 and Level 2 during the three months ended March 31, 2020 and 2019.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The tables below present the balances of assets and liabilities measured at fair value on a recurring basis as of the dates presented.


	Carrying Value at March 31, 2020		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Description of assets
Investment securities - AFS:
Mortgage-backed securities	$	1,161,931	$	-	$	1,161,931	$	-
CMO/REMIC		480,093		-		480,093		-
Municipal bonds		37,032		-		37,032		-
Other securities		699		-		699		-

Total investment securities - AFS		1,679,755		-		1,679,755		-
Interest rate swaps		33,255		-		33,255		-

Total assets	$	1,713,010	$	-	$	1,713,010	$	-

Description of liability
Interest rate swaps	$	33,255	$	-	$	33,255	$	-

Total liabilities	$	33,255	$	-	$	33,255	$	-


	Carrying Value at December 31, 2019		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(Dollars in thousands)
Description of assets
Investment securities - AFS:
Mortgage-backed securities	$	1,206,313	$	-	$	1,206,313	$	-
CMO/REMIC		493,710		-		493,710		-
Municipal bonds		39,354		-		39,354		-
Other securities		880		-		880		-

Total investment securities - AFS		1,740,257		-		1,740,257		-
Interest rate swaps		11,502		-		11,502		-

Total assets	$	1,751,759	$	-	$	1,751,759	$	-

Description of liability
Interest rate swaps	$	11,502	$	-	$	11,502	$	-

Total liabilities	$	11,502	$	-	$	11,502	$	-

Assets and Liabilities Measured at Fair Value on a

Non-Recurring

Basis

We may be required to measure certain assets at fair value on a

non-recurring

basis in accordance with GAAP. These adjustments to fair value usually result from application of lower of cost or fair value accounting or impairment write-downs of individual assets.

For assets measured at fair value on a

non-recurring

basis that were held on the balance sheet at March 31, 2020 and December 31, 2019, respectively, the following tables provide the level of valuation assumptions used to determine each adjustment and the carrying value of the related assets that had losses during the period.


	Carrying Value at March 31, 2020		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Losses For the Three Months Ended March 31, 2020
	(Dollars in thousands)
Description of assets
Loans:
Commercial and industrial	$	903	$	-	$	-	$	903	$	9024
SBA		1,000		-		-		1,000		36
Real estate:
Commercial real estate		-		-		-		-		-
Construction		-		-		-		-		-
SFR mortgage		-		-		-		-		-
Dairy & livestock and agribusiness		-		-		-		-		-
Consumer and other loans		-		-		-		-		-
Other real estate owned		-		-		-		-		-
Asset held-for-sale		-		-		-		-		-

Total assets	$	1,903	$	-	$	-	$	1,903	$	938


	Carrying Value at December 31, 2019		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Losses For the Year Ended December 31, 2019
	(Dollars in thousands)
Description of assets
Impaired loans:
Commercial and industrial	$	253	$	-	$	-	$	253	$	251
SBA		359		-		-		359		513
Real estate:
Commercial real estate		-		-		-		-		-
Construction		-		-		-		-		-
SFR mortgage		-		-		-		-		-
Dairy & livestock and agribusiness		-		-		-		-		-
Consumer and other loans		-		-		-		-		-
Other real estate owned		444		-		-		444		64
Asset held-for-sale		-		-		-		-		-

Total assets	$	1,056	$	-	$	-	$	1,056	$	828

Fair Value of Financial Instruments

	March 31, 2020
	Carrying		Estimated Fair Value
	Amount		Level 1		Level 2		Level 3		Total
	(Dollars in thousands)
Assets
Total cash and cash equivalents	$	705,739	$	705,739	$	-	$	-	$	705,739
Interest-earning balances due from depository institutions		23,799		-		23,840		-		23,840
Investment securities available-for-sale		1,679,755		-		1,679,755		-		1,679,755
Investment securities held-to-maturity		642,255		-		657,819		-		657,819
Total loans, net of allowance for credit losses		7,383,511		-		-		7,338,946		7,338,946
Swaps		33,255		-		33,255		-		33,255
Liabilities
Deposits:
Interest-bearing	$	3,540,955	$	-	$	3,540,407	$	-	$	3,540,407
Borrowings		368,915		-		368,654		-		368,654
Junior subordinated debentures		25,774		-		-		13,619		13,619
Swaps		33,255		-		33,255		-		33,255

	December 31, 2019
	Carrying		Estimated Fair Value
	Amount		Level 1		Level 2		Level 3		Total
	(Dollars in thousands)
Assets
Total cash and cash equivalents	$	185,518	$	185,518	$	-	$	-	$	185,518
Interest-earning balances due from depository institutions		2,931		-		2,938		-		2,938
Investment securities available-for-sale		1,740,257		-		1,740,257		-		1,740,257
Investment securities held-to-maturity		674,452		-		678,948		-		678,948
Total loans, net of allowance for loan losses		7,495,917		-		-		7,343,167		7,343,167
Swaps		11,502		-		11,502		-		11,502
Liabilities
Deposits:
Interest-bearing	$	3,459,411	$	-	$	3,457,922	$	-	$	3,457,922
Borrowings		428,659		-		428,330		-		428,330
Junior subordinated debentures		25,774		-		-		20,669		20,669
Swaps		11,502		-		11,502		-		11,502

The fair value estimates presented herein are based on pertinent information available to management as of March 31, 2020 and December 31, 2019. Although management is not aware of any factors that would significantly affect the estimated fair value amounts, such amounts have not been comprehensively revalued for purposes of these financial statements since that date, and therefore, current estimates of fair value may differ significantly from the amounts presented above.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Fair Value Information - Estimated Fair Value of Financial Instruments (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Assets
Total cash and cash equivalents	$ 705,739	$ 185,518	$ 172,214	$ 163,948
Investment securities available-for-sale	1,679,755	1,740,257
Investment securities held-to-maturity	642,255	674,452
Total loans, net of allowance for loan losses	7,383,511	7,495,917
Deposits:
Interest-bearing	3,540,955	3,459,411
Junior subordinated debentures	25,774	25,774
Swaps	402,170	440,161
Carrying Value [Member]
Assets
Total cash and cash equivalents	705,739	185,518
Interest-earning balances due from depository institutions	23,799	2,931
Investment securities available-for-sale	1,679,755	1,740,257
Investment securities held-to-maturity	642,255	674,452
Total loans, net of allowance for loan losses	7,383,511	7,495,917
Swaps	33,255	11,502
Deposits:
Interest-bearing	3,540,955	3,459,411
Borrowings	368,915	428,659
Junior subordinated debentures	25,774	25,774
Swaps	33,255	11,502
Estimated Fair Value [Member]
Assets
Total cash and cash equivalents	705,739	185,518
Interest-earning balances due from depository institutions	23,840	2,938
Investment securities available-for-sale	1,679,755	1,740,257
Investment securities held-to-maturity	657,819	678,948
Total loans, net of allowance for loan losses	7,338,946	7,343,167
Swaps	33,255	11,502
Deposits:
Interest-bearing	3,540,407	3,457,922
Borrowings	368,654	428,330
Junior subordinated debentures	13,619	20,669
Swaps	33,255	11,502
Estimated Fair Value [Member] \| Level 1 [Member]
Assets
Total cash and cash equivalents	705,739	185,518
Interest-earning balances due from depository institutions	0	0
Investment securities available-for-sale	0	0
Investment securities held-to-maturity	0	0
Total loans, net of allowance for loan losses	0	0
Swaps	0	0
Deposits:
Interest-bearing	0	0
Borrowings	0	0
Junior subordinated debentures	0	0
Swaps	0	0
Estimated Fair Value [Member] \| Level 2 [Member]
Assets
Total cash and cash equivalents	0	0
Interest-earning balances due from depository institutions	23,840	2,938
Investment securities available-for-sale	1,679,755	1,740,257
Investment securities held-to-maturity	657,819	678,948
Total loans, net of allowance for loan losses	0	0
Swaps	33,255	11,502
Deposits:
Interest-bearing	3,540,407	3,457,922
Borrowings	368,654	428,330
Junior subordinated debentures	0	0
Swaps	33,255	11,502
Estimated Fair Value [Member] \| Level 3 [Member]
Assets
Total cash and cash equivalents	0	0
Interest-earning balances due from depository institutions	0	0
Investment securities available-for-sale	0	0
Investment securities held-to-maturity	0	0
Total loans, net of allowance for loan losses	7,338,946	7,343,167
Swaps	0	0
Deposits:
Interest-bearing	0	0
Borrowings	0	0
Junior subordinated debentures	13,619	20,669
Swaps	$ 0	$ 0

Loans and Lease Finance Receivables and Allowance for Loan Losses - Summary of loans by type and origination year, according to our internal risk ratings (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
2020	$ 229,027
2019	996,807
2018	954,745
2017	997,179
2016	779,281
Prior	2,435,073
Revolving loans amortized cost basis	1,016,807
Revolving loans converted to term loans	57,233
Total	7,466,152	$ 7,568,319
Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	36,167
2019	160,951
2018	88,009
2017	76,840
2016	49,874
Prior	89,364
Revolving loans amortized cost basis	447,040
Revolving loans converted to term loans	12,516
Total	960,761
Commercial Trade Financing [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	26,599
2019	18,009
2018	49,840
2017	82,231
2016	30,803
Prior	105,589
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	313,071
Real Estate Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	153,366
2019	731,611
2018	758,170
2017	754,616
2016	635,087
Prior	2,093,573
Revolving loans amortized cost basis	201,042
Revolving loans converted to term loans	20,460
Total	5,347,925
Construction Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	550
2019	13,414
2018	13,300
2017	35,130
2016	10,592
Prior	5
Revolving loans amortized cost basis	49,591
Revolving loans converted to term loans	5,463
Total	128,045
Consumer Mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	10,473
2019	66,680
2018	38,192
2017	27,198
2016	35,992
Prior	99,762
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	446
Total	278,743
Dairy And Livestock And Agribusiness [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	78
2019	2,945
2018	2,988
2017	8,831
2016	6,847
Prior	14,655
Revolving loans amortized cost basis	219,424
Revolving loans converted to term loans	16,346
Total	272,114
Municipal Lease Finance Receivables [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	147
2019	0
2018	3,081
2017	10,961
2016	7,912
Prior	29,186
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	51,287	53,146
Consumer Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,647
2019	3,197
2018	1,165
2017	1,372
2016	2,174
Prior	2,939
Revolving loans amortized cost basis	99,710
Revolving loans converted to term loans	2,002
Total	114,206
Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	227,961
2019	991,064
2018	929,806
2017	966,220
2016	762,602
Prior	2,344,233
Revolving loans amortized cost basis	961,714
Revolving loans converted to term loans	34,641
Total	7,218,241	7,321,402
Pass [Member] \| Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	35,101
2019	160,551
2018	79,808
2017	74,291
2016	48,698
Prior	85,803
Revolving loans amortized cost basis	423,186
Revolving loans converted to term loans	8,849
Total	916,287
Pass [Member] \| Commercial Trade Financing [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	26,599
2019	18,009
2018	48,416
2017	77,219
2016	27,922
Prior	93,865
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	292,030
Pass [Member] \| Real Estate Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	153,366
2019	726,268
2018	743,909
2017	732,319
2016	626,561
Prior	2,021,759
Revolving loans amortized cost basis	197,335
Revolving loans converted to term loans	18,747
Total	5,220,264
Pass [Member] \| Construction Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	550
2019	13,414
2018	13,300
2017	35,130
2016	10,592
Prior	5
Revolving loans amortized cost basis	49,591
Revolving loans converted to term loans	5,463
Total	128,045
Pass [Member] \| Consumer Mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	10,473
2019	66,680
2018	38,192
2017	26,819
2016	35,992
Prior	96,795
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	274,951
Pass [Member] \| Dairy And Livestock And Agribusiness [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	78
2019	2,945
2018	1,940
2017	8,109
2016	2,831
Prior	14,655
Revolving loans amortized cost basis	192,649
Revolving loans converted to term loans	0
Total	223,207
Pass [Member] \| Municipal Lease Finance Receivables [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	147
2019	0
2018	3,081
2017	10,961
2016	7,912
Prior	28,739
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	50,840
Pass [Member] \| Consumer Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,647
2019	3,197
2018	1,160
2017	1,372
2016	2,094
Prior	2,612
Revolving loans amortized cost basis	98,953
Revolving loans converted to term loans	1,582
Total	112,617
Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,066
2019	5,600
2018	16,677
2017	20,077
2016	9,107
Prior	66,865
Revolving loans amortized cost basis	38,814
Revolving loans converted to term loans	6,128
Total	164,334	173,486
Special Mention [Member] \| Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,066
2019	257
2018	7,405
2017	1,694
2016	539
Prior	3,524
Revolving loans amortized cost basis	12,598
Revolving loans converted to term loans	2,442
Total	29,525
Special Mention [Member] \| Commercial Trade Financing [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	1,177
2016	1,277
Prior	7,809
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	10,263
Special Mention [Member] \| Real Estate Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	5,343
2018	9,106
2017	16,484
2016	7,211
Prior	52,995
Revolving loans amortized cost basis	3,457
Revolving loans converted to term loans	0
Total	94,596
Special Mention [Member] \| Construction Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	0
Special Mention [Member] \| Consumer Mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	1,942
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	1,942
Special Mention [Member] \| Dairy And Livestock And Agribusiness [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	166
2017	722
2016	0
Prior	0
Revolving loans amortized cost basis	22,150
Revolving loans converted to term loans	3,686
Total	26,724
Special Mention [Member] \| Municipal Lease Finance Receivables [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	447
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	447
Special Mention [Member] \| Consumer Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	80
Prior	148
Revolving loans amortized cost basis	609
Revolving loans converted to term loans	0
Total	837
Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	143
2018	8,262
2017	10,882
2016	7,572
Prior	23,975
Revolving loans amortized cost basis	16,279
Revolving loans converted to term loans	16,464
Total	83,577	73,431
Substandard [Member] \| Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	143
2018	796
2017	855
2016	637
Prior	37
Revolving loans amortized cost basis	11,256
Revolving loans converted to term loans	1,225
Total	14,949
Substandard [Member] \| Commercial Trade Financing [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	1,424
2017	3,835
2016	1,604
Prior	3,915
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	10,778
Substandard [Member] \| Real Estate Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	5,155
2017	5,813
2016	1,315
Prior	18,819
Revolving loans amortized cost basis	250
Revolving loans converted to term loans	1,713
Total	33,065
Substandard [Member] \| Construction Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	0
Substandard [Member] \| Consumer Mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	379
2016	0
Prior	1,025
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	446
Total	1,850
Substandard [Member] \| Dairy And Livestock And Agribusiness [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	882
2017	0
2016	4,016
Prior	0
Revolving loans amortized cost basis	4,625
Revolving loans converted to term loans	12,660
Total	22,183
Substandard [Member] \| Municipal Lease Finance Receivables [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	0
Substandard [Member] \| Consumer Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	5
2017	0
2016	0
Prior	179
Revolving loans amortized cost basis	148
Revolving loans converted to term loans	420
Total	752
Doubtful [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	0	$ 0
Doubtful [Member] \| Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	0
Doubtful [Member] \| Commercial Trade Financing [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	0
Doubtful [Member] \| Real Estate Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	0
Doubtful [Member] \| Construction Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	0
Doubtful [Member] \| Consumer Mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	0
Doubtful [Member] \| Dairy And Livestock And Agribusiness [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	0
Doubtful [Member] \| Municipal Lease Finance Receivables [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	0
Doubtful [Member] \| Consumer Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving loans amortized cost basis	0
Revolving loans converted to term loans	0
Total	$ 0

Investment Securities - Summary of Continuous Unrealized Loss Position of Securities (Detail) $ in Thousands	Dec. 31, 2019 USD ($)
Schedule of Investments [Line Items]
Fair Value, Less Than 12 Months, Available-for-sale	$ 197,806
Gross Unrealized Holding Losses, Less Than 12 Months, Available-for-sale	(711)
Fair Value, 12 Months or Longer, Available-for-sale	133,092
Gross Unrealized Holding Losses, 12 Months or Longer, Available-for-sale	(937)
Fair Value, Available-for-sale	330,898
Gross Unrealized Holding Losses, Available-for-sale	(1,648)
Fair Value, Less Than 12 Months, Held-to-maturity	70,250
Gross Unrealized Holding Losses, Less Than 12 Months, Held-to-maturity	(442)
Fair Value, 12 Months or Longer, Held-to-maturity	215,579
Gross Unrealized Holding Losses, 12 Months or Longer, Held-to-maturity	(3,292)
Fair Value, Held-to-maturity	285,829
Gross Unrealized Holding Losses, Held-to-maturity	(3,734)
CMO/REMIC [Member]
Schedule of Investments [Line Items]
Fair Value, Less Than 12 Months, Available-for-sale	177,517
Gross Unrealized Holding Losses, Less Than 12 Months, Available-for-sale	(705)
Fair Value, 12 Months or Longer, Available-for-sale	34,565
Gross Unrealized Holding Losses, 12 Months or Longer, Available-for-sale	(191)
Fair Value, Available-for-sale	212,082
Gross Unrealized Holding Losses, Available-for-sale	(896)
Fair Value, Less Than 12 Months, Held-to-maturity	23,897
Gross Unrealized Holding Losses, Less Than 12 Months, Held-to-maturity	(104)
Fair Value, 12 Months or Longer, Held-to-maturity	166,193
Gross Unrealized Holding Losses, 12 Months or Longer, Held-to-maturity	(2,354)
Fair Value, Held-to-maturity	190,090
Gross Unrealized Holding Losses, Held-to-maturity	(2,458)
Government Agency/GSE [Member]
Schedule of Investments [Line Items]
Fair Value, Less Than 12 Months, Held-to-maturity	28,359
Gross Unrealized Holding Losses, Less Than 12 Months, Held-to-maturity	(252)
Fair Value, 12 Months or Longer, Held-to-maturity	19,405
Gross Unrealized Holding Losses, 12 Months or Longer, Held-to-maturity	(405)
Fair Value, Held-to-maturity	47,764
Gross Unrealized Holding Losses, Held-to-maturity	(657)
Mortgage-backed Securities [Member]
Schedule of Investments [Line Items]
Fair Value, Less Than 12 Months, Available-for-sale	20,289
Gross Unrealized Holding Losses, Less Than 12 Months, Available-for-sale	(6)
Fair Value, 12 Months or Longer, Available-for-sale	97,964
Gross Unrealized Holding Losses, 12 Months or Longer, Available-for-sale	(744)
Fair Value, Available-for-sale	118,253
Gross Unrealized Holding Losses, Available-for-sale	(750)
Fair Value, Less Than 12 Months, Held-to-maturity	10,411
Gross Unrealized Holding Losses, Less Than 12 Months, Held-to-maturity	(54)
Fair Value, 12 Months or Longer, Held-to-maturity	0
Gross Unrealized Holding Losses, 12 Months or Longer, Held-to-maturity	0
Fair Value, Held-to-maturity	10,411
Gross Unrealized Holding Losses, Held-to-maturity	(54)
Municipal Bonds [Member]
Schedule of Investments [Line Items]
Fair Value, Less Than 12 Months, Available-for-sale	0
Gross Unrealized Holding Losses, Less Than 12 Months, Available-for-sale	0
Fair Value, 12 Months or Longer, Available-for-sale	563
Gross Unrealized Holding Losses, 12 Months or Longer, Available-for-sale	(2)
Fair Value, Available-for-sale	563
Gross Unrealized Holding Losses, Available-for-sale	(2)
Fair Value, Less Than 12 Months, Held-to-maturity	7,583
Gross Unrealized Holding Losses, Less Than 12 Months, Held-to-maturity	(32)
Fair Value, 12 Months or Longer, Held-to-maturity	29,981
Gross Unrealized Holding Losses, 12 Months or Longer, Held-to-maturity	(533)
Fair Value, Held-to-maturity	37,564
Gross Unrealized Holding Losses, Held-to-maturity	$ (565)

Loans and Lease Finance Receivables and Allowance for Loan Losses - Schedule of Balance and Activity Related to Allowance for Loan Losses for Held-for-Investment Loans by Type (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 68,660	$ 63,613
Charge-offs	(86)	(99)
Recoveries	227	187
Provision for (Recapture of) loan losses	12,000	1,500
Ending Balance	82,641	65,201
Impact of ASU 2016-13 Adoption [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,840
Previously Reported [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	68,660
PCI Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance		204
Charge-offs		0
Recoveries		0
Provision for (Recapture of) loan losses		(24)
Ending Balance		180
Commercial and Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance		7,520
Charge-offs	0	0
Recoveries	2	110
Provision for (Recapture of) loan losses	2,947	(31)
Ending Balance	9,387	7,599
Commercial and Industrial [Member] \| Impact of ASU 2016-13 Adoption [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	(2,442)
Commercial and Industrial [Member] \| Previously Reported [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	8,880
Small Business Administration [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance		1,062
Charge-offs	0	(20)
Recoveries	0	5
Provision for (Recapture of) loan losses	675	232
Ending Balance	3,946	1,279
Small Business Administration [Member] \| Impact of ASU 2016-13 Adoption [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,818
Small Business Administration [Member] \| Previously Reported [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,453
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance		44,934
Charge-offs	0	0
Recoveries	0	0
Provision for (Recapture of) loan losses	6,251	1,144
Ending Balance	58,427	46,078
Commercial Real Estate [Member] \| Impact of ASU 2016-13 Adoption [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	3,547
Commercial Real Estate [Member] \| Previously Reported [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	48,629
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance		981
Charge-offs	0	0
Recoveries	3	3
Provision for (Recapture of) loan losses	3,116	(120)
Ending Balance	4,632	864
Construction [Member] \| Impact of ASU 2016-13 Adoption [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	655
Construction [Member] \| Previously Reported [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	858
SFR Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance		2,196
Charge-offs	0	0
Recoveries	206	68
Provision for (Recapture of) loan losses	(221)	(76)
Ending Balance	281	2,188
SFR Mortgage [Member] \| Impact of ASU 2016-13 Adoption [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	(2,043)
SFR Mortgage [Member] \| Previously Reported [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	2,339
Dairy & Livestock and Agribusiness [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance		5,215
Charge-offs	0	(78)
Recoveries	0	0
Provision for (Recapture of) loan losses	(803)	562
Ending Balance	4,266	5,699
Dairy & Livestock and Agribusiness [Member] \| Impact of ASU 2016-13 Adoption [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	(186)
Dairy & Livestock and Agribusiness [Member] \| Previously Reported [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	5,255
Municipal Lease Finance Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance		775
Charge-offs	0	0
Recoveries	0	0
Provision for (Recapture of) loan losses	70	(37)
Ending Balance	277	738
Municipal Lease Finance Receivables [Member] \| Impact of ASU 2016-13 Adoption [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	(416)
Municipal Lease Finance Receivables [Member] \| Previously Reported [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	623
Consumer and Other Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance		726
Charge-offs	(86)	(1)
Recoveries	16	1
Provision for (Recapture of) loan losses	(35)	(150)
Ending Balance	1,425	$ 576
Consumer and Other Loans [Member] \| Impact of ASU 2016-13 Adoption [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	907
Consumer and Other Loans [Member] \| Previously Reported [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 623

Cover Page - shares	3 Months Ended
Cover Page - shares	Mar. 31, 2020	Apr. 30, 2020
Cover [Abstract]
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Entity Central Index Key	0000354647
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2020
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
Document Period End Date	Mar. 31, 2020
Entity Registrant Name	CVB FINANCIAL CORP.
Entity Current Reporting Status	Yes
Trading Symbol	CVBF
Title of 12(b) Security	Common Stock
Security Exchange Name	NASDAQ
Entity File Number	000-10140
Entity Incorporation, State or Country Code	CA
Entity Tax Identification Number	95-3629339
Entity Address, Address Line One	701 North Haven Ave
Entity Address, City or Town	Ontario
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	91764
City Area Code	909
Local Phone Number	980-4030
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		135,510,811

Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2020	Jan. 01, 2020
Summary Of Significant Accounting Policies [Line Items]
Net decrease in retained earnings		$ 1,300,000
Transition adjustment, allowance for credit loses for loans	$ 1,800,000
Adjustment of transition reserve for loans	41,000
Increase in provision for credit loses	$ 12,000,000

Accounting policies (Policies)	3 Months Ended
Accounting policies (Policies)	Mar. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Reclassification	Reclassification — Certain amounts in the prior periods’ unaudited condensed consolidated financial statements and related footnote disclosures have been reclassified to conform to the current presentation with no impact on previously reported net income or stockholders’ equity.
Use of Estimates in the Preparation of Financial Statements	Use of Estimates in the Preparation of Financial Statements — The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. A material estimate that is particularly susceptible to significant change in the near term relates to the determination of the allowance for credit losses. Other significant estimates, which may be subject to change, include fair value determinations and disclosures, impairment of investments, goodwill, loans, as well as valuation of deferred tax assets.
Adoption of New Accounting Standard	Adoption of New Accounting Standard Provision and Allowance for Credit Losses — On January 1, 2020, the Company adopted ASU No. 2016-13, “Financial Instruments — Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments”. This ASU significantly changes how entities will measure credit losses for most financial assets and certain other instruments that are not measured at fair value through net income. This ASU replaces the current “incurred loss” approach with an “expected loss” model. The new model, referred to as the Current Expected Credit Loss (“CECL”) model, applies to: (1) financial assets subject to credit losses and measured at amortized cost, and (2) certain off balance sheet credit exposures. This includes, but is not limited to, loans, held-to-maturity securities, loan commitments, and financial guarantees. The CECL model does not apply to available-for-sale (“AFS”) debt securities. For AFS debt securities with unrealized losses, we will measure credit impairment in a manner similar to the approach used prior to the adoption of CECL, except that the losses will be recognized as allowances rather than reductions in the amortized cost of the securities. As a result, we will recognize improvements to estimated credit losses immediately in earnings rather than as interest income over time, as required prior to the adoption of CECL. As a policy election, we excluded the accrued interest receivable balance from the amortized cost basis of financing receivables and HTM securities, as well as AFS securities, and disclose total accrued interest receivable separately on the condensed consolidated balance sheet. If accrued interest is not received, it is reversed against interest income, which was zero for the first quarter of 2020. The Company adopted this ASU using the modified retrospective method for all financial assets measured at amortized cost and off-balance sheet credit exposures. Results for reporting periods beginning after January 1, 2020 are presented under ASC 326 while prior period amounts continue to be reported in accordance with previously applicable GAAP. The Company recorded a net decrease to beginning retained earnings of $1.3 million, net of tax as of January 1, 2020 for the cumulative adjustment upon adoption of ASC 326. The transition adjustment of $1.8 million was added to the beginning balance of the allowance for credit losses (“ACL”) for loans and $41,000 was added to the beginning balance of reserve for unfunded loan commitments. Upon adoption of CECL there was no impact on the accounting for AFS or HTM investment securities. The Company developed a CECL allowance model that calculates reserves over the life of the loan and is largely driven by portfolio characteristics, risk grading, macroeconomic variables and the associated economic outlook, as well as other key methodology assumptions. The allowance is based upon historical lifetime loss rate models segregated by three loan segments: Commercial and Industrial, Commercial Real Estate, and Consumer Retail. In addition to determining the quantitative life of loan loss rate to be applied against the portfolio segments, the ASU indicates management has the opportunity to layer on current conditions and forecast adjustments to ensure that the life of loan loss rate reflects both the current state of the portfolio, and expectations for macroeconomic changes in the near future. We utilized a single economic forecast that is based on probability weighted scenarios to incorporate macroeconomic uncertainty over a 2 or 3-year forecast horizon. After the initial 2 to 3 year forecast horizon, we use an input reversion methodology in the model structure to complete a reasonable and supportable forecast period for the life of the loan. During the second half of March 2020, the broader economy experienced a significant deterioration in the economic environment driven by the COVID-19 pandemic resulting in adverse changes to the forecasted macroeconomic variables utilized in our modeling processes. This expected economic deterioration, coupled with the implementation of the expected loss methodology for determining our provision for credit losses, have contributed to an increased provision for credit losses of $12 million for the first quarter of 2020. We continue to monitor the impact of COVID-19 closely, as well as any effects that may result from the CARES Act. The extent to which the COVID-19 pandemic will impact our operations and financial results during the remainder of 2020 is highly uncertain, but we may experience increased provision for credit losses if the COVID-19 pandemic results in additional economic stress on our borrowers and loan portfolios.

Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Amortized cost	$ 1,621,236	$ 1,718,357
Fair Value, Held-to-maturity	$ 657,819	$ 678,948
Common stock, par value	$ 0	$ 0
Common stock, authorized	225,000,000	225,000,000
Common stock, shares issued	135,510,960	140,102,480
Common stock, shares outstanding	135,510,960	140,102,480

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash Flows from Operating Activities
Interest and dividends received	$ 105,673	$ 109,857
Service charges and other fees received	9,644	10,247
Interest paid	(4,589)	(5,336)
Net cash paid to vendors, employees and others	(35,201)	(60,281)
Net cash provided by operating activities	75,527	54,487
Cash Flows from Investing Activities
Net change in interest-earning balances from depository institutions	(20,868)	250
Proceeds from repayment of investment securities available-for-sale	92,519	77,303
Proceeds from maturity of investment securities available-for-sale	2,390	565
Proceeds from repayment and maturity of investment securities held-to-maturity	33,297	29,598
Purchases of investment securities held-to-maturity	(1,509)	(19,844)
Net increase in equity investments	(2,985)	(2,314)
Net decrease (increase) in loan and lease finance receivables	103,890	163,588
Proceeds from sale of building, net	0	5,487
Purchase of premises and equipment	(882)	(1,490)
Proceeds from BOLI death benefit	138	175
Proceeds from sales of other real estate owned	0	523
Net cash provided by investing activities	205,990	253,841
Cash Flows from Financing Activities
Net increase (decrease) in other deposits	403,546	(156,745)
Net increase (decrease) in time deposits	5,130	(16,625)
Net decrease in other borrowings	0	(127,000)
Net (decrease) increase in customer repurchase agreements	(59,744)	20,519
Cash dividends on common stock	(25,252)	(19,616)
Repurchase of common stock	(85,018)	(735)
Proceeds from exercise of stock options	42	140
Net cash provided by (used in) financing activities	238,704	(300,062)
Net increase in cash and cash equivalents	520,221	8,266
Cash and cash equivalents, beginning of period	185,518	163,948
Cash and cash equivalents, end of period	705,739	172,214
Reconciliation of Net Earnings to Net Cash Provided by Operating Activities
Net earnings	37,980	51,642
Adjustments to reconcile net earnings to net cash provided by operating activities:
Gain on sale of building, net	0	(4,545)
Gain on sale of other real estate owned	0	(105)
Increase in BOLI	(1,344)	(1,427)
Net amortization of premiums and discounts on investment securities	2,620	2,498
Accretion of discount for acquired loans, net	(4,776)	(7,200)
Provision for credit losses	12,000	1,500
Stock-based compensation	1,617	1,019
Depreciation and amortization, net	5,176	5,669
Change in other assets and liabilities	22,254	5,436
Total adjustments	37,547	2,845
Net cash provided by operating activities	75,527	54,487
Supplemental Disclosure of Non-cash Investing Activities
Transfer of loans to other real estate owned	$ 0	$ 2,275

Loans and Lease Finance Receivables and Allowance for Loan Losses - Summary of Components of Loans and Lease Finance Receivables, Including PCI Loans (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Construction	$ 128,045	$ 116,925
Total Gross loans	7,466,152	7,568,319
Less: Deferred loan fees, net	0	(3,742)
Gross loans, net of deferred loan fees	7,466,152	7,564,577
Less: Allowance for loan losses	(82,641)	(68,660)	$ (65,201)	$ (63,613)
Net loans and lease finance receivables	7,383,511	7,495,917
Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	960,761	935,127
Total Gross loans	960,761
SBA [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	313,071	305,008
Total Gross loans	313,071
Commercial real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	5,347,925	5,374,617
Total Gross loans	5,347,925
SFR mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	278,743	283,468
Total Gross loans	278,743
Dairy & livestock and agribusiness [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	272,114	383,709
Total Gross loans	272,114
Municipal Lease Finance Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	51,287	53,146
Total Gross loans	51,287	53,146
Less: Allowance for loan losses	(277)		$ (738)	$ (775)
Consumer and other loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	114,206	$ 116,319
Total Gross loans	$ 114,206

Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair Value of Derivative Instruments

March 31, 2020

Asset Derivatives

Liability Derivatives

Balance Sheet

Location

Fair

Value

Balance Sheet

Location

Fair

Value

(Dollars in thousands)

Derivatives not designated as hedging instruments:

Interest rate swaps

Other assets

33,255

Other liabilities

33,255

Total derivatives

33,255

December 31, 2019

Asset Derivatives

Liability Derivatives

Balance Sheet

Location

Fair

Value

Balance Sheet
Location

Fair

Value

(Dollars in thousands)

Derivatives not designated as hedging instruments:

Interest rate swaps

Other assets

11,502

Other liabilities

11,502

Total derivatives

11,502

Effect of Derivative Instruments on Consolidated Statement of Earnings

The Effect of Derivative Financial Instruments on the Condensed Consolidated Statements of Earnings

The following table summarizes the effect of derivative financial instruments on the condensed consolidated statement of earnings for the periods presented.


Derivatives Not Designated as Hedging Instruments	Location of Gain Recognized in Income on Derivative Instruments		Amount of Gain Recognized in Income on Derivative Instruments
			Three Months Ended March 31,
			2020		2019
			(Dollars in thousands)
Interest rate swaps		Other income	$	373	$	384

Total			$	373	$	384

Investment Securities - Summary of Interest Income Earned on Investment Securities (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Net Investment Income [Line Items]
Total interest income from available-for-sale securities	$ 10,049	$ 10,645
Total interest income from held-to-maturity securities	3,998	4,525
Total investment income	14,047	15,170
Investment securities available-for-sale [Member]
Net Investment Income [Line Items]
Taxable	9,825	10,309
Tax-advantaged	224	336
Total interest income from available-for-sale securities	10,049	10,645
Investment securities held-to-maturity [Member]
Net Investment Income [Line Items]
Taxable	2,698	2,910
Tax-advantaged	1,300	1,615
Total interest income from held-to-maturity securities	$ 3,998	$ 4,525

Balance Sheet Offsetting

3 Months Ended

Mar. 31, 2020

Text Block [Abstract]

Balance Sheet Offsetting

10.	BALANCE SHEET OFFSETTING

Assets and liabilities relating to certain financial instruments, including, derivatives and securities sold under repurchase agreements (“repurchase agreements”), may be eligible for offset in the condensed consolidated balance sheets as permitted under accounting guidance. As noted above, our interest rate swap derivatives are subject to master netting arrangements. Our interest rate swap derivatives require the Company to pledge investment securities as collateral based on certain risk thresholds. Investment securities that have been pledged by the Company to counterparties continue to be reported in the Company’s condensed consolidated balance sheets unless the Company defaults. We offer a repurchase agreement product to our customers, which include master netting agreements that allow for the netting of collateral positions. This product, known as Citizens Sweep Manager, sells certain of our securities overnight to our customers under an agreement to repurchase them the next day. The repurchase agreements are not offset in the Company’s conden

d consolidated balances.


	Gross Amounts Recognized in the Condensed		Gross Amounts Offset in the Con densed			Net Amounts Presented in the Condensed		Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets
	Consolidated Balance Sheets		Consolidated Balance Sheets			Consolidated Balance Sheets		Financial Instruments		Collateral Pledged			Net Amount
	(Dollars in thousands)
March 31, 2020
Financial assets:
Derivatives not designated as hedging instruments	$	33,255	$	-		$	-	$	33,255	$	-		$	33,255

Total	$	33,255	$	-		$	-	$	33,255	$	-		$	33,255


Financial liabilities:
Derivatives not designated as hedging instruments	$	33,255	$	-		$	33,255	$	-	$	(52,171	)	$	(18,916	)
Repurchase agreements		368,915		-			368,915		-		(417,665	)		(48,750	)

Total	$	402,170	$	-		$	402,170	$	-	$	(469,836	)	$	(67,666	)


December 31, 2019
Financial assets:
Derivatives not designated as hedging instruments	$	11,502	$	-		$	-	$	11,502	$	-		$	11,502

Total	$	11,502	$	-		$	-	$	11,502	$	-		$	11,502


Financial liabilities:
Derivatives not designated as hedging instruments	$	11,619	$	(117	)	$	11,502	$	117	$	(23,312	)	$	(11,693	)
Repurchase agreements		428,659		-			428,659		-		(510,138	)		(81,479	)

Total	$	440,278	$	(117	)	$	440,161	$	117	$	(533,450	)	$	(93,172	)

Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2020

Equity [Abstract]

Summary of Components of Other Comprehensive Income

The table below provides a summary of the components of other comprehensive inc

e (“OCI”) for the periods presented.


	Three Months Ended March 31,
	2020									2019
	Before-tax			Tax effect			After-tax			Before-tax			Tax effect			After-tax
	(Dollars in thousands)
Investment securities:
Net change in fair value recorded in accumulated OCI	$	36,619		$	(10,826	)	$	25,793		$	19,350		$	(5,720	)	$	13,630
Amortization of net unrealized losses on securities transferred from available-for-sale to held-to-maturity		(1	)		-			(1	)		(1,123	)		332			(791	)

Net change	$	36,618		$	(10,826	)	$	25,792		$	18,227		$	(5,388	)	$	12,839

Other Comprehensive Income

3 Months Ended

Mar. 31, 2020

Equity [Abstract]

Other Comprehensive Income

9.	OTHER COMPREHENSIVE INCOME

The table below provides a summary of the components of other comprehensive inc

e (“OCI”) for the periods presented.


	Three Months Ended March 31,
	2020									2019
	Before-tax			Tax effect			After-tax			Before-tax			Tax effect			After-tax
	(Dollars in thousands)
Investment securities:
Net change in fair value recorded in accumulated OCI	$	36,619		$	(10,826	)	$	25,793		$	19,350		$	(5,720	)	$	13,630
Amortization of net unrealized losses on securities transferred from available-for-sale to held-to-maturity		(1	)		-			(1	)		(1,123	)		332			(791	)

Net change	$	36,618		$	(10,826	)	$	25,792		$	18,227		$	(5,388	)	$	12,839

Loans and Lease Finance Receivables and Allowance for Loan Losses (Tables)

3 Months Ended

Mar. 31, 2020

Receivables [Abstract]

Summary of Components of Loans and Lease Finance Receivables, Excluding PCI Loans

The following table provides a summary of total loans and lease finance receivables by type.


	March 31, 2020			December 31, 2019
	(Dollars in thousands)
Commercial and industrial	$	960,761		$	935,127
SBA		313,071			305,008
Real estate:
Commercial real estate		5,347,925			5,374,617
Construction		128,045			116,925
SFR mortgage		278,743			283,468
Dairy & livestock and agribusiness		272,114			383,709
Municipal lease finance receivables		51,287			53,146
Consumer and other loans		114,206			116,319

Gross loans		7,466,152			7,568,319
Less: Deferred loan fees, net (1)		-			(3,742	)

Gross loans, net of deferred loan fees		7,466,152			7,564,577
Less: Allowance for credit losses		(82,641	)		(68,660	)

Total loans and lease finance receivables	$	7,383,511		$	7,495,917

(1)

Beginning with March 31, 2020, gross loans are presented net of deferred loan fees by respective class of financing receivables.

Summary of loans by type and origination year, according to our internal risk ratings

The following table summarizes loans by type and origination year, according to our internal risk ratings as of the date presented.


	Origination Year												Revolving loans amortized cost basis		Revolving loans converted to term loans
March 31, 2020	2020		2019		2018		2017		2016		Prior		Revolving loans amortized cost basis		Revolving loans converted to term loans		Total
	(Dollars in thousands)
Commercial and industrial loans:
Risk Rating:
Pass	$	35,101	$	160,551	$	79,808	$	74,291	$	48,698	$	85,803	$	423,186	$	8,849	$	916,287
Special Mention		1,066		257		7,405		1,694		539		3,524		12,598		2,442		29,525
Substandard		-		143		796		855		637		37		11,256		1,225		14,949
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total Commercial and industrial loans:	$	36,167	$	160,951	$	88,009	$	76,840	$	49,874	$	89,364	$	447,040	$	12,516	$	960,761

SBA:
Risk Rating:
Pass	$	26,599	$	18,009	$	48,416	$	77,219	$	27,922	$	93,865	$	-	$	-	$	292,030
Special Mention		-		-		-		1,177		1,277		7,809		-		-		10,263
Substandard		-		-		1,424		3,835		1,604		3,915		-		-		10,778
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total SBA:	$	26,599	$	18,009	$	49,840	$	82,231	$	30,803	$	105,589	$	-	$	-	$	313,071

Commercial real estate loans:
Risk Rating:
Pass	$	153,366	$	726,268	$	743,909	$	732,319	$	626,561	$	2,021,759	$	197,335	$	18,747	$	5,220,264
Special Mention		-		5,343		9,106		16,484		7,211		52,995		3,457		-		94,596
Substandard		-		-		5,155		5,813		1,315		18,819		250		1,713		33,065
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total Commercial real estate loans:	$	153,366	$	731,611	$	758,170	$	754,616	$	635,087	$	2,093,573	$	201,042	$	20,460	$	5,347,925

Construction loans:
Risk Rating:
Pass	$	550	$	13,414	$	13,300	$	35,130	$	10,592	$	5	$	49,591	$	5,463	$	128,045
Special Mention		-		-		-		-		-		-		-		-		-
Substandard		-		-		-		-		-		-		-		-		-
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total Construction loans:	$	550	$	13,414	$	13,300	$	35,130	$	10,592	$	5	$	49,591	$	5,463	$	128,045

SFR mortgage loans:
Risk Rating:
Pass	$	10,473	$	66,680	$	38,192	$	26,819	$	35,992	$	96,795	$	-	$	-	$	274,951
Special Mention		-		-		-		-		-		1,942		-		-		1,942
Substandard		-		-		-		379		-		1,025		-		446		1,850
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total SFR mortgage loans:	$	10,473	$	66,680	$	38,192	$	27,198	$	35,992	$	99,762	$	-	$	446	$	278,743


	Origination Year												Revolving loans amortized cost basis		Revolving loans converted to term loans
March 31, 2020	2020		2019		2018		2017		2016		Prior		Revolving loans amortized cost basis		Revolving loans converted to term loans		Total
	(Dollars in thousands)
Dairy & livestock and agribusiness loans:
Risk Rating:
Pass	$	78	$	2,945	$	1,940	$	8,109	$	2,831	$	14,655	$	192,649	$	-	$	223,207
Special Mention		-		-		166		722		-		-		22,150		3,686		26,724
Substandard		-		-		882		-		4,016		-		4,625		12,660		22,183
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total Dairy & livestock and agribusiness loans:	$	78	$	2,945	$	2,988	$	8,831	$	6,847	$	14,655	$	219,424	$	16,346	$	272,114

Municipal lease finance receivables loans:
Risk Rating:
Pass	$	147	$	-	$	3,081	$	10,961	$	7,912	$	28,739	$	-	$	-	$	50,840
Special Mention		-		-		-		-		-		447		-		-		447
Substandard		-		-		-		-		-		-		-		-		-
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total Municipal lease finance receivables loans:	$	147	$	-	$	3,081	$	10,961	$	7,912	$	29,186	$	-	$	-	$	51,287

Consumer and other loans:
Risk Rating:
Pass	$	1,647	$	3,197	$	1,160	$	1,372	$	2,094	$	2,612	$	98,953	$	1,582	$	112,617
Special Mention		-		-		-		-		80		148		609		-		837
Substandard		-		-		5		-		-		179		148		420		752
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total Consumer and other loans:	$	1,647	$	3,197	$	1,165	$	1,372	$	2,174	$	2,939	$	99,710	$	2,002	$	114,206

Gross loans:
Risk Rating:
Pass	$	227,961	$	991,064	$	929,806	$	966,220	$	762,602	$	2,344,233	$	961,714	$	34,641	$	7,218,241
Special Mention		1,066		5,600		16,677		20,077		9,107		66,865		38,814		6,128		164,334
Substandard		-		143		8,262		10,882		7,572		23,975		16,279		16,464		83,577
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total Gross loans:	$	229,027	$	996,807	$	954,745	$	997,179	$	779,281	$	2,435,073	$	1,016,807	$	57,233	$	7,466,152

Summary of Loan, Excluding PCI Loans by Internal Risk Ratings

The following table summarizes lo

s by type, according to our internal risk ratings as of the date presented.


	December 31, 2019
	Pass		Special Mention		Substandard		Doubtful & Loss		Total
	(Dollars in thousands)
Commercial and industrial	$	895,234	$	35,473	$	4,420	$	-	$	935,127
SBA		283,430		11,032		10,546		-		305,008
Real estate:
Commercial real estate
Owner occupied		1,977,007		78,208		28,435		-		2,083,650
Non-owner occupied		3,280,580		10,005		382		-		3,290,967
Construction
Speculative		106,895		-		-		-		106,895
Non-speculative		10,030		-		-		-		10,030
SFR mortgage		280,010		1,957		1,501		-		283,468
Dairy & livestock and agribusiness		320,670		35,920		27,119		-		383,709
Municipal lease finance receivables		52,676		470		-		-		53,146
Consumer and other loans		114,870		421		1,028		-		116,319

Total gross loans	$	7,321,402	$	173,486	$	73,431	$	-	$	7,568,319

Schedule of Balance and Activity Related to Allowance for Loan Losses for Held-for-Investment Loans by Type

The following tables present the balance and activity related to the allowance for credit losses for

held-for-investment

loans by type for the periods presented.


	Three Months Ended March 31, 2020
	Ending Balance, prior to adoption of ASU 2016-13 December 31, 2019		Impact of adopting ASU 2016-13			Provision for (Recapture of) Credit Losses Expense			Charge-offs			Recoveries		Ending Balance March 31, 2020
	(Dollars i in thousands)
Commercial and industrial	$	8,880	$	(2,442	)	$	2,947		$	-		$	2	$	9,387
SBA		1,453		1,818			675			-			-		3,946
Real estate:
Commercial real estate		48,629		3,547			6,251			-			-		58,427
Construction		858		655			3,116			-			3		4,632
SFR mortgage		2,339		(2,043	)		(221	)		-			206		281
Dairy & livestock and agribusiness		5,255		(186	)		(803	)		-			-		4,266
Municipal lease finance receivables		623		(416	)		70			-			-		277
Consumer and other loans		623		907			(35	)		(86	)		16		1,425

Total allowance for credit losses	$	68,660	$	1,840		$	12,000		$	(86	)	$	227	$	82,641


	Three Months Ended March 31, 2019
	Ending Balance December 31, 2018		Charge-offs			Recoveries		Provision for (Recapture of) Loan Losses			Ending Balance March 31, 2019
	(Dollars in thousands)
Commercial and industrial	$	7,520	$	-		$	110	$	(31	)	$	7,599
SBA		1,062		(20	)		5		232			1,279
Real estate:				-			-
Commercial real estate		44,934		-			-		1,144			46,078
Construction		981		-			3		(120	)		864
SFR mortgage		2,196		-			68		(76	)		2,188
Dairy & livestock and agribusiness		5,215		(78	)		-		562			5,699
Municipal lease finance receivabl es		775		-			-		(37	)		738
Consumer and other loans		726		(1	)		1		(150	)		576
PCI loans		204		-			-		(24	)		180

Total allowance for loan losses	$	63,613	$	(99	)	$	187	$	1,500		$	65,201

Schedule of Recorded Investment in Loans Held-for-Investment and Related Allowance for Loan Losses by Loan Type


	March 31, 2019
	Recorded Investment in Loans						Allowance for Loan Losses
	Individually Evaluated for Impairment		Collectively Evaluated for Impairment		Acquired with Deterioriated Credit Quality		Individually Evaluated for Impairment		Collectively Evaluated for Impairment		Acquired with Deterioriated Credit Quality
	(Dollars in thousands)
Commercial and industrial	$	8,512	$	948,614	$	-	$	117	$	7,482	$	-
SBA		4,661		333,296		-		317		962		-
Real estate:
Commercial real estate		1,589		5,387,277		-		-		46,078		-
Construction		-		121,912		-		-		864		-
SFR mortgage		5,051		280,736		-		-		2,188		-
Dairy & livestock and agribusiness		-		322,321		-		-		5,699		-
Municipal lease finance receivables		-		61,249		-		-		738		-
Consumer and other loans		477		120,291		-		1		575		-
PCI loans		-		-		15,356		-		-		180

Total	$	20,290	$	7,575,696	$	15,356	$	435	$	64,586	$	180

Schedule of Recorded Investment in, and Aging of, Past Due and Nonaccrual Loans, Excluding PCI Loans by Class of Loans

We seek to manage asset

quality

and control credit risk through diversification of the loan portfolio and the application of policies designed to promote sound underwriting and loan monitoring practices. The Bank’s Credit Management Division is in charge of monitoring asset quality, establishing credit policies and procedures and enforcing the consistent application of these policies and procedures across the Bank. Reviews of nonperforming, past due loans and larger credits, designed to identify potential charges to the allowance for loan losses, and to determine the adequacy of the ACL, are conducted on an ongoing basis. These reviews consider such factors as the financial strength of borrowers and any guarantors, the value of the applicable collateral, loan loss experience, estimated loan losses, growth in the loan portfolio, prevailing economic conditions and other factors. Refer to Note

3 – Summary of Significant Accounting Policies, included in our Annual Report on Form

10-

K for the year ended December 31, 2019, for additional discussion concerning the Bank’s policy for past due and nonperforming loans.

The following table presents the recorded investment in, and the ag

g of, past due loans (including nonaccrual loans), by type of loans as of the date pres

ent

ed.


	March 31, 2020
	30-59 Days Past Due		60-89 Days Past Due		Greater than 89 Days Past Due		Total Past Due		Loans Not Past Due		Total Loans and Financing Receivables
	(Dollars in thousands)
Commercial and industrial	$	347	$	362	$	1,487	$	2,196	$	958,565	$	960,761
SBA		3,086		954		1,669		5,709		307,362		313,071
Real estate:
Commercial real estate
Owner occupied		154		310		250		714		2,069,646		2,070,360
Non-owner occupied		210		-		-		210		3,277,355		3,277,565
Construction
Speculative (1)		-		-		-		-		116,143		116,143
Non-speculative		-		-		-		-		11,902		11,902
SFR mortgage		233		-		486		719		278,024		278,743
Dairy & livestock and agribusiness		166		-		-		166		271,948		272,114
Municipal lease finance receivables		-		-		-		-		51,287		51,287
Consumer and other loans		-		-		93		93		114,113		114,206

Total gross loans	$	4,196	$	1,626	$	3,985	$	9,807	$	7,456,345	$	7,466,152

(1)

Speculative construction loans are generally for properties where there is no identified buyer or renter.

Following the adoption of CECL on January 1, 2020, the definitions of impairment and related impaired loan disclosures were removed. Under CECL, amortized cost of our finance receivables and loans that are on nonaccrual status, including loans with no allowance, are presented as of March 31, 2020 by type of loan.


	March 31, 2020
	Nonaccrual with No Allowance for Credit Losses		Total Nonaccrual (1) (3)		Loans Past Due Over 89 Days Still Accruing
	(Dollars in thousands)
Commercial and industrial	$	549	$	1,703	$	-
SBA		2,110		2,748		-
Real estate:
Commercial real estate
Owner occupied		715		715		-
Non-owner occupied		232		232		-
Construction
Speculative (2)		-		-		-
Non-speculative		-		-		-
SFR mortgage		864		864		-
Dairy & livestock and agribusiness		-		-		-
Municipal lease finance receivables		-		-		-
Consumer and other loans		166		166		-

Total gross loans	$	4,636	$	6,428	$	-

(1)

As of March 31, 2020, $982,000 of nonaccruing loans were current, $154,000 were

30-59

days past due, $1.3 million were

60-89

days past due, and $4.0 million were 90+ days past due.

(2)

Speculative construction loans are generally for properties where there is no identified buyer or renter.

(

)

Excludes $1.7 million of guaranteed portion of nonaccrual SBA loans that are in process of collection.

The following table presents the recorded investment in, and the aging of, past due and nonaccrual loans, by type of loans as of the date presented.


	December 31, 2019
	30-59 Days Past Due		60-89 Days Past Due		Total Past Due and Accruing		Nonaccrual (1) (3)		Current		Total Loans and Financing Receivables
					(Dollars in thousands)
Commercial and industrial	$	2	$	-	$	2	$	1,266	$	933,859	$	935,127
SBA		870		532		1,402		2,032		301,574		305,008
Real estate:
Commercial real estate
Owner occupied		-		-		-		479		2,083,171		2,083,650
Non-owner occupied		-		-		-		245		3,290,722		3,290,967
Construction
Speculative (2)		-		-		-		-		106,895		106,895
Non-speculative		-		-		-		-		10,030		10,030
SFR mortgage		6		243		249		878		282,341		283,468
Dairy & livestock and agribusiness		-		-		-		-		383,709		383,709
Municipal lease finance receivables		-		-		-		-		53,146		53,146
Consumer and other loans		-		-		-		377		115,942		116,319

Total gross loans	$	878	$	775	$	1,653	$	5,277	$	7,561,389	$	7,568,319

(1)

As of December 31, 2019, $1.2 million of nonaccruing loans were current, $59,000 were

30-59

days past due, $1.1 million were

60-89

days past due and $2.9 million were 90+ days past due.

(2)

Speculative construction loans are generally for properties where

there

is no identifi

buyer or renter.

(

)

Excludes $2.0 million of guaranteed porti

of nonaccrual SBA loans that are in process of collection.

Schedule of Held-for-Investment Loans, Individually Evaluated for Impairment by Class of Loans


	Three Months Ended March 31, 2019
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
	(Dollars in thousands)
With no related allowance recorded:
Commercial and industrial	$	8,208	$	12,317	$	-	$	8,230	$	2
SBA		3,400		5,779		-		3,511		11
Real estate:
Commercial real estate
Owner occupied		519		618		-		521		-
Non-owner occupied		1,070		1,231		-		1,084		7
Construction
Speculative		-		-		-		-		-
Non-speculative		-		-		-		-		-
SFR mortgage		5,051		5,865		-		5,082		21
Dairy & livestock and agribusiness		-		-		-		-		-
Municipal lease finance receivables		-		-		-		-		-
Consumer and other loans		476		625		-		482		-

Total		18,724		26,435		-		18,910		41

With a related allowance recorded:
Commercial and industrial		304		309		117		323		-
SBA		1,261		1,236		317		1,261		-
Real estate:
Commercial real estate
Owner occupied		-		-		-		-		-
Non-owner occupied		-		-		-		-		-
Construction
Speculative		-		-		-		-		-
Non-speculative		-		-		-		-		-
SFR mortgage		-		-		-		-		-
Dairy & livestock and agribusiness		-		-		-		-		-
Municipal lease finance receivables		-		-		-		-		-
Consumer and other loans		1		1		1		1		-

Total		1,566		1,546		435		1,585		-

Total impaired loans	$	20,290	$	27,981	$	435	$	20,495	$	41

	December 31, 2019
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(Dollars in thousands)
With no related allowance recorded:
Commercial and industrial	$	1,091	$	1,261	$	-
SBA		2,243		2,734		-
Real estate:
Commercial real estate
Owner occupied		479		613		-
Non-owner occupied		642		643		-
Construction
Speculative		-		-		-
Non-speculative		-		-		-
SFR mortgage		2,979		3,310		-
Dairy & livestock and agribusiness		-		-		-
Municipal lease finance receivables		-		-		-
Consumer and other loans		377		514		-

Total		7,811		9,075		-

With a related allowance recorded:
Commercial and industrial		253		347		251
SBA		325		324		257
Real estate:
Commercial real estate
Owner occupied		-		-		-
Non-owner occup ied		-		-		-
Construction
Speculative		-		-		-
Non-speculative		-		-		-
SFR mortgage		-		-		-
Dairy & livestock and agribusiness		-		-		-
Municipal lease finance receivables		-		-		-
Consumer and other loans		-		-		-

Total		578		671		508

Total impaired loans	$	8,389	$	9,746	$	508

Summary of pledged assets not separately reported on statement of financial position

A loan is considered collateral-dependent when the borrower is experiencing financial difficulty and repayment is expected to be provided substantially through the operation or sale of the collateral.

The following table presents the recorded investment in collateral-dependent loans by type of loans as of the date presented.


	March 31, 2020						Number of Loans Dependent on Collateral
	Real Estate		Business Assets		Other		Number of Loans Dependent on Collateral
	(Dollars in thousands)
Commercial and industrial	$	112	$	1,652	$	8		12
SBA		1,852		2,524		8		19
Real estate:
Commercial real estate		1,324		-		-		5
Construction		-		-		-		-
SFR mortgage		864		-		-		3
Dairy & livestock and agribusiness		-		-		-		-
Municipal lease finance receivables		-		-		-		-
Consumer and other loans		84		-		22		4

Total collateral-dependent loans	$	4,236	$	4,176	$	38		43

Summary of Activity Related to Troubled Debt Restructurings

The following table provides a summary of the activity related to TDRs for the periods presented.


	Three Months Ended March 31,
	2020			2019
	(Dollars in thousands)
Performing TDRs:
Beginning balance	$	3,112		$	3,594
New modifications		-			-
Payoffs/payments, net and other		(299	)		(295	)
TDRs returned to accrual status		-			-
TDRs placed on nonaccrual status		-			-

Ending balance	$	2,813		$	3,299

Nonperforming TDRs:
Beginning balance	$	244		$	3,509
New modifications		-			-
Charge-offs		-			(78	)
Transfer to OREO		-			(2,275	)
Payoffs/payments, net and other		(244	)		(879	)
TDRs returned to accrual status		-			-
TDRs placed on nonaccrual status		-			-

Ending balance	$	-		$	277

Total TDRs	$	2,813		$	3,576

Condensed Consolidated Statements of Earnings and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Interest income:
Loans and leases, including fees	$ 92,117	$ 99,687
Investment securities:
Investment securities available-for-sale	10,049	10,645
Investment securities held-to-maturity	3,998	4,525
Total investment income	14,047	15,170
Dividends from FHLB stock	332	332
Interest-earning deposits with other institutions	613	94
Total interest income	107,109	115,283
Interest expense:
Deposits	4,124	3,871
Borrowings and customer repurchase agreements	479	1,610
Junior subordinated debentures	200	266
Total interest expense	4,803	5,747
Net interest income before provision for credit losses	102,306	109,536
Provision for credit losses	12,000	1,500
Net interest income after provision for credit losses	90,306	108,036
Noninterest income:
BOLI income	2,059	1,336
Gain on OREO, net	10	105
Gain on sale of building, net	0	4,545
Other	1,798	2,044
Total noninterest income	11,640	16,303
Noninterest expense:
Salaries and employee benefits	30,877	29,302
Occupancy and equipment	4,837	5,424
Professional services	2,256	1,925
Software licenses and maintenance	2,816	2,613
Marketing and promotion	1,555	1,394
Amortization of intangible assets	2,445	2,857
Acquisition related expenses	0	3,149
Other	3,855	4,940
Total noninterest expense	48,641	51,604
Earnings before income taxes	53,305	72,735
Income taxes	15,325	21,093
Net earnings	37,980	51,642
Other comprehensive income:
Unrealized gain on securities arising during the period, before tax	36,618	18,227
Less: Income tax benefit related to items of other comprehensive income	(10,826)	(5,388)
Other comprehensive income, net of tax	25,792	12,839
Comprehensive income	$ 63,772	$ 64,481
Basic earnings per common share	$ 0.27	$ 0.37
Diluted earnings per common share	$ 0.27	$ 0.37
Service Charges on Deposit Accounts [Member]
Noninterest income:
Revenue from contract with customer, including assessed tax	$ 4,776	$ 5,141
Trust and Investment Services [Member]
Noninterest income:
Revenue from contract with customer, including assessed tax	2,420	2,182
Bankcard Services [Member]
Noninterest income:
Revenue from contract with customer, including assessed tax	$ 577	$ 950

Other Comprehensive Income - Summary of Components of OCI (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Equity [Abstract]
Net change in fair value recorded in accumulated OCI, Before-tax	$ 36,619	$ 19,350
Net change in fair value recorded in accumulated OCI, Tax effect	(10,826)	(5,720)
Net change in fair value recorded in accumulated OCI, After-tax	25,793	13,630
Amortization of unrealized losses on securities transferred from available-for-sale to held-to-maturity, Before-tax	(1)	(1,123)
Amortization of unrealized losses on securities transferred from available-for-sale to held-to-maturity, Tax effect	0	332
Amortization of unrealized losses on securities transferred from available-for-sale to held-to-maturity, After-tax	(1)	(791)
Net change, Before-tax	36,618	18,227
Net change, Tax effect	(10,826)	(5,388)
Net change, After-tax	$ 25,792	$ 12,839

Revenue Recognition

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Revenue Recognition

12.	REVENUE RECOGNITION

On January 1, 2018, the

Company

adopted ASU No.

2014-09

“Revenue from Contracts with Customers (Topic 606)” and all subsequent ASUs that modified Topic 606. Refer to Note 3

–

Summary of Significant Accounting Policies

and Note 24

–

Revenue Recognition

of the 2019 Annual Report on Form

10-K

for the year ended December 31, 2019 for a more detailed discussion about noninterest revenue streams that are

in-scope

of Topic 606.

The following presents noninterest income, segregated by revenue streams

in-scope

and

out-of-scope

of Topic 606, for the periods indicated.


	Three Months Ended March 31,
	2020		2019
	(Dollars in thousands)
Noninterest income:
In-scope of Topic 606:
Service charges on deposit accounts	$	4,776	$	5,141
Trust and investment services		2,420		2,182
Bankcard services		577		950
Gain on OREO, net		10		105
Other		1,798		2,044

Noninterest Income (in-scope of Topic 606)		9,581		10,422
Noninterest Income (out-of-scope of Topic 606)		2,059		5,881

Total noninterest income	$	11,640	$	16,303

Leases - Components of lease costs and supplemental information related to leases (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Lease Assets and Liabilities
ROU assets	$ 16,917		$ 18,522
Total lease liabilities	19,484		$ 21,392
Lease Cost
Operating lease expense	1,623	$ 2,100
Total lease expense	1,623	2,100
Other Information
Operating cash outflows from operating leases, net	$ 1,935	$ 2,746
Lease Term and Discount Rate
Weighted average remaining lease term (years)	3 years 11 months 26 days		4 years 2 months 4 days
Weighted average discount rate	3.34%		3.34%

Leases (Tables)

3 Months Ended

Mar. 31, 2020

Leases [Abstract]

Components of lease costs and supplemental information related to leases

The tables below present the components of lease costs and supplemental information related to leases as of and for the periods presented.


	March 31, 2020		December 31, 2019
	(Dollars in thousands)
Lease Assets and Liabilities
ROU assets	$	16,917	$	18,522
Total lease liabilities	$	19,484	$	21,392

	Three Months Ended March 31,
	2020		2019
	(Dollars in thousands)
Lease Cost
Operating lease expense (1)	$	1,623	$	2,100
Sublease income		-		-

Total lease expense	$	1,623	$	2,100

(1)

Includes short-term leases and variable lease costs, which are immaterial.


Other Information
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflows from operating leases, net	$	1,935		$	2,746

	March 31, 2020			December 31, 2019
Lease Term and Discount Rate
Weighted average remaining lease term (years)		3.99			4.18
Weighted average discount rate		3.34	%		3.34	%

Future lease payments required for leases that have initial or remaining non-cancelable lease terms

The future lease payments required for leases that have initial or remaining

non-cancelable

lease terms in excess of one year as of March 31, 2020, excluding property taxes and insurance, are as follows:


	March 31, 2020
	(Dollars in thousands)
Year:
2020 (excluding the three months ended March 31, 2020)	$	5,179
2021		5,509
2022		4,322
2023		2,540
2024		1,495
Thereafter		1,781

Total future lease payments		20,826
Less: Imputed interest		(1,342	)

Present value of lease liabilities	$	19,484

Basis of Presentation

3 Months Ended

Mar. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

2.	BASIS OF PRESENTATION

The accompanying unaudited condensed consolidated financial statements and notes thereto have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission (“SEC”) for Form

10-Q

and conform to practices within the banking industry and include all of the information and disclosures required by accounting principles generally accepted in the United States of America (“GAAP”) for interim financial reporting. The accompanying unaudited condensed consolidated financial statements reflect all adjustments (consisting only of normal recurring adjustments), which are necessary for a fair presentation of financial results for the interim periods presented. The results of operations for the three months ended March 31, 2020 are not necessarily indicative of the results for the full year. Certain information and note disclosures normally included in annual financial statements prepared in accordance with GAAP have been condensed or omitted. These unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements, accounting policies and financial notes thereto included in the Company’s Annual Report on Form

10-K

for the fiscal year ended December 31, 2019, filed with the SEC. A summary of the significant accounting policies consistently applied in the preparation of the accompanying unaudited condensed consolidated financial statements follows.

Reclassification

— Certain amounts in the prior periods’ unaudited condensed consolidated financial statements and related footnote disclosures have been reclassified to conform to the current presentation with no impact on previously reported net income or stockholders’ equity.

Investment Securities

3 Months Ended

Mar. 31, 2020

Investments, Debt and Equity Securities [Abstract]

Investment Securities

4.	INVESTMENT SECURITIES

The amortized cost and estimated fair value of investment securities are summarized below. The majority of securities held are

available-for-sale

securities with fair value based on quoted prices for similar assets in active markets or quoted prices for identical assets in markets that are not active. Estimated fair values were obtained from an independent pricing service based upon market quotes.

	March 31, 2020
	Amortized Cost		Gross Unrealized Holding Gain		Gross Unrealized Holding Loss		Fair Value		Total Percent
	(Dollars in thousands)
Investment securities available-for-sale:
Mortgage-backed securities	$	1,118,385	$	43,546	$	-	$	1,161,931		69.18%
CMO/REMIC		466,033		14,060		-		480,093		28.58%
Municipal bonds		36,119		913		-		37,032		2.20%
Other securities		699		-		-		699		0.04%

Total available-for-sale securities	$	1,621,236	$	58,519	$	-	$	1,679,755		100.00%

Investment securities held-to-maturity:
Government agency/GSE	$	111,452	$	3,468	$	(207)	$	114,713		17.35%
Mortgage-backed securities		161,983		8,182		-		170,165		25.22%
CMO/REMIC		184,316		591		(98)		184,809		28.70%
Municipal bonds		184,504		4,054		(426)		188,132		28.73%

Total held-to-maturity securities	$	642,255	$	16,295	$	(731)	$	657,819		100.00%


	December 31, 2019
	Amortized Cost		Gross Unrealized Holding Gain		Gross Unrealized Holding Loss		Fair Value		Total Percent
	(Dollars in thousands)
Investment securities available-for-sale:
Mortgage-backed securities	$	1,185,757	$	21,306	$	(750)	$	1,206,313		69.32%
CMO/REMIC		493,214		1,392		(896)		493,710		28.37%
Municipal bonds		38,506		850		(2)		39,354		2.26%
Other securities		880		-		-		880		0.05%

Total available-for-sale securities	$	1,718,357	$	23,548	$	(1,648)	$	1,740,257		100.00%

Investment securities held-to-maturity:
Government agency/GSE	$	117,366	$	2,280	$	(657)	$	118,989		17.40%
Mortgage-backed securities		168,479		2,083		(54)		170,508		24.98%
CMO/REMIC		192,548		-		(2,458)		190,090		28.55%
Municipal bonds		196,059		3,867		(565)		199,361		29.07%

Total held-to-maturity securities	$	674,452	$	8,230	$	(3,734)	$	678,948		100.00%

The following table provides information about the amount of interest income earned on investment securities which is fully taxable and which is exempt from regular federal income tax.

	Three Months Ended March 31,
	2020		2019
	(Dollars in thousands)
Investment securities available-for-sale:
Taxable	$	9,825	$	10,309
Tax-advantaged		224		336

Total interest income from available-for-sale securities		10,049		10,645

Investment securities held-to-maturity:
Taxable		2,698		2,910
Tax-advantaged		1,300		1,615

Total interest income from held-to-maturity securities		3,998		4,525

Total interest income from investment securities	$	14,047	$	15,170

The adoption of CECL did not have a material impact on the accounting for investment securities, as approximately

90%

of the total investment securities portfolio at March 31, 2020 represents securities issued by the U.S. government or U.S. government-sponsored enterprises, with the implied guarantee of payment of principal and interest. The remaining securities are predominately AA- or better general-obligation municipal bonds. The allowance for credit losses for

held-to-maturity

investment securities under the new CECL model was zero at March 31, 2020.

We adopted ASU

2016-13

on January 1, 2020, on a

prospective

basis. Under the new guidance, once it is determined that a credit loss has occurred, an allowance for credit losses is established on our

available-for-sale

and

held-to-maturity

securities. Prior to adoption of this standard, when a decline in fair value of a debt security was determined to be other than temporary, an impairment charge for the credit component was recorded, and a new cost basis in the investment was established. During the first quarter of 2020, management determined that credit losses did not exist for securities in an unrealized loss position. As of March 31, 2020, there were no AFS investment securities with an unrealized loss position.

December 31, 2019, prior to adoption of ASU 2016-13. Management

previously

	December 31, 2019
	Less Than 12 Months					12 Months or Longer					Total
	Fair Value		Gross Unrealized Holding Losses			Fair Value		Gross Unrealized Holding Losses			Fair Value		Gross Unrealized Holding Losses
	(Dollars in thousands)
Investment securities available-for-sale:
Mortgage-backed securities	$	20,289	$	(6	)	$	97,964	$	(744	)	$	118,253	$	(750	)
CMO/REMIC		177,517		(705	)		34,565		(191	)		212,082		(896	)
Municipal bonds		-		-			563		(2	)		563		(2	)

Total available-for-sale securities	$	197,806	$	(711	)	$	133,092	$	(937	)	$	330,898	$	(1,648	)

Investment securities held-to-maturity:
Government agency/GSE	$	28,359	$	(252	)	$	19,405	$	(405	)	$	47,764	$	(657	)
Mortgage-backed securities		10,411		(54	)		-		-			10,411		(54	)
CMO/REMIC		23,897		(104	)		166,193		(2,354	)		190,090		(2,458	)
Municipal bonds		7,583		(32	)		29,981		(533	)		37,564		(565	)

Total held-to-maturity securities	$	70,250	$	(442	)	$	215,579	$	(3,292	)	$	285,829	$	(3,734	)

At March 31, 2020 and December 31, 2019, investment securities having a carrying value of approximately $1.63 billion and $1.64 billion, respectively, were pledged to secure public deposits, short and long-term borrowings, and for other purposes as required or permitted by law.

The amortized cost and fair value of debt securities at March 31, 2020, by contractual maturity, are shown in the table below. Although mortgage-backed and CMO/REMIC securities have contractual maturities through 2058, expected maturities will differ from contractual maturities because borrowers may have the right to prepay such obligations without penalty. Mortgage-backed and CMO/REMIC securities are included in maturity categories based upon estimated average lives

which incorporate estimated prepayment speeds.


	March 31, 2020
	Available-for-sale				Held-to-maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(Dollars in thousands)
Due in one year or less	$	13,043	$	13,160	$	768	$	788
Due after one year through five years		1,376,413		1,427,373		358,973		367,734
Due after five years through ten years		176,690		182,573		103,004		104,787
Due after ten years		55,090		56,649		179,510		184,510

Total investment securities	$	1,621,236	$	1,679,755	$	642,255	$	657,819

The investment in FHLB stock is periodically evaluated for impairment based on, among other things, the capital adequacy of the FHLB and its overall financial condition. No impairment losses have been recorded March 31, 2020.

Balance Sheet Offsetting - Schedule of Balance Sheet Offsetting (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Offsetting Assets Liabilities [Line Items]
Financial liabilities, Gross Amounts Recognized in the Condensed Consolidated Balance Sheets	$ 402,170	$ 440,278
Financial liabilities, Gross Amounts Offset in the Condensed Consolidated Balance Sheets	0	(117)
Financial liabilities, Net Amounts Presented in the Condensed Consolidated Balance Sheets	402,170	440,161
Financial liabilities, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Financial Instruments	0	117
Financial liabilities, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Collateral Pledged	(469,836)	(533,450)
Financial liabilities, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Net Amount	(67,666)	(93,172)
Repurchase Agreements [Member]
Offsetting Assets Liabilities [Line Items]
Financial liabilities, Gross Amounts Recognized in the Condensed Consolidated Balance Sheets	368,915	428,659
Financial liabilities, Gross Amounts Offset in the Condensed Consolidated Balance Sheets	0	0
Financial liabilities, Net Amounts Presented in the Condensed Consolidated Balance Sheets	368,915	428,659
Financial liabilities, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Financial Instruments	0	0
Financial liabilities, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Collateral Pledged	(417,665)	(510,138)
Financial liabilities, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Net Amount	(48,750)	(81,479)
Interest Rate Swaps [Member]
Offsetting Assets Liabilities [Line Items]
Financial assets, Gross Amounts Recognized in the Condensed Consolidated Balance Sheets	33,255	11,502
Financial assets, Gross Amounts Offset in the Condensed Consolidated Balance Sheets	0	0
Financial assets, Net Amounts Presented in the Condensed Consolidated Balance Sheets	0	0
Financial assets, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Financial Instruments	33,255	11,502
Financial assets, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Collateral Pledged	0	0
Financial assets, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Net Amount	33,255	11,502
Interest Rate Swaps [Member] \| Derivatives Not Designated as Hedging Instruments [Member]
Offsetting Assets Liabilities [Line Items]
Financial assets, Gross Amounts Recognized in the Condensed Consolidated Balance Sheets	33,255	11,502
Financial assets, Gross Amounts Offset in the Condensed Consolidated Balance Sheets	0	0
Financial assets, Net Amounts Presented in the Condensed Consolidated Balance Sheets	0	0
Financial assets, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Financial Instruments	33,255	11,502
Financial assets, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Collateral Pledged	0	0
Financial assets, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Net Amount	33,255	11,502
Financial liabilities, Gross Amounts Recognized in the Condensed Consolidated Balance Sheets	33,255	11,619
Financial liabilities, Gross Amounts Offset in the Condensed Consolidated Balance Sheets	0	(117)
Financial liabilities, Net Amounts Presented in the Condensed Consolidated Balance Sheets	33,255	11,502
Financial liabilities, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Financial Instruments	0	117
Financial liabilities, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Collateral Pledged	(52,171)	(23,312)
Financial liabilities, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Net Amount	$ (18,916)	$ (11,693)

Loans and Lease Finance Receivables and Allowance for Loan Losses - Schedule of Held-for-Investment Loans, Individually Evaluated for Impairment by Class of Loans (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment, With no related allowance recorded	$ 18,724		$ 7,811
Recorded Investment, With a related allowance recorded	1,566		578
Recorded Investment, Total impaired loans	20,290	$ 2,800	8,389
Unpaid Principal Balance, With no related allowance recorded	26,435		9,075
Unpaid Principal Balance, With a related allowance recorded	1,546		671
Unpaid Principal Balance, Total impaired loans	27,981		9,746
Related Allowance, With a related allowance recorded	435		508
Related Allowance, Total impaired loans	435		508
Average Recorded Investment, With no related allowance recorded	18,910
Average Recorded Investment, With a related allowance recorded	1,585
Average Recorded Investment, Total impaired loans	20,495
Interest Income Recognized, With no related allowance recorded	41
Interest Income Recognized, Total impaired loans	41
Commercial and Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment, With no related allowance recorded	8,208		1,091
Recorded Investment, With a related allowance recorded	304		253
Unpaid Principal Balance, With no related allowance recorded	12,317		1,261
Unpaid Principal Balance, With a related allowance recorded	309		347
Related Allowance, With a related allowance recorded	117		251
Average Recorded Investment, With no related allowance recorded	8,230
Average Recorded Investment, With a related allowance recorded	323
Interest Income Recognized, With no related allowance recorded	2
Small Business Administration [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment, With no related allowance recorded	3,400		2,243
Recorded Investment, With a related allowance recorded	1,261		325
Unpaid Principal Balance, With no related allowance recorded	5,779		2,734
Unpaid Principal Balance, With a related allowance recorded	1,236		324
Related Allowance, With a related allowance recorded	317		257
Average Recorded Investment, With no related allowance recorded	3,511
Average Recorded Investment, With a related allowance recorded	1,261
Interest Income Recognized, With no related allowance recorded	11
Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment, With no related allowance recorded	519		479
Unpaid Principal Balance, With no related allowance recorded	618		613
Average Recorded Investment, With no related allowance recorded	521
Commercial Real Estate Non-owner Occupied [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment, With no related allowance recorded	1,070		642
Unpaid Principal Balance, With no related allowance recorded	1,231		643
Average Recorded Investment, With no related allowance recorded	1,084
Interest Income Recognized, With no related allowance recorded	7
SFR Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment, With no related allowance recorded	5,051		2,979
Unpaid Principal Balance, With no related allowance recorded	5,865		3,310
Average Recorded Investment, With no related allowance recorded	5,082
Interest Income Recognized, With no related allowance recorded	21
Consumer and Other Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment, With no related allowance recorded	476		377
Recorded Investment, With a related allowance recorded	1
Unpaid Principal Balance, With no related allowance recorded	625		$ 514
Unpaid Principal Balance, With a related allowance recorded	1
Related Allowance, With a related allowance recorded	1
Average Recorded Investment, With no related allowance recorded	482
Average Recorded Investment, With a related allowance recorded	$ 1

Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Summary of Non Interest Income, Segregated by Revenue Streams in-Scope and Out-of-Scope of Topic 606

The following presents noninterest income, segregated by revenue streams

in-scope

and

out-of-scope

of Topic 606, for the periods indicated.


	Three Months Ended March 31,
	2020		2019
	(Dollars in thousands)
Noninterest income:
In-scope of Topic 606:
Service charges on deposit accounts	$	4,776	$	5,141
Trust and investment services		2,420		2,182
Bankcard services		577		950
Gain on OREO, net		10		105
Other		1,798		2,044

Noninterest Income (in-scope of Topic 606)		9,581		10,422
Noninterest Income (out-of-scope of Topic 606)		2,059		5,881

Total noninterest income	$	11,640	$	16,303

Derivative Financial Instruments - Effect of Derivative Instruments on Consolidated Statement of Earnings (Detail) - Derivatives Not Designated as Hedging Instruments [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Derivatives, Fair Value [Line Items]
Amount of Gain Recognized in Income on Derivative Instruments	$ 373	$ 384
Interest Rate Swaps [Member] \| Other Income [Member]
Derivatives, Fair Value [Line Items]
Amount of Gain Recognized in Income on Derivative Instruments	$ 373	$ 384

Balance Sheet Offsetting (Tables)

3 Months Ended

Mar. 31, 2020

Text Block [Abstract]

Schedule of Balance Sheet Offsetting


	Gross Amounts Recognized in the Condensed		Gross Amounts Offset in the Con densed			Net Amounts Presented in the Condensed		Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets
	Consolidated Balance Sheets		Consolidated Balance Sheets			Consolidated Balance Sheets		Financial Instruments		Collateral Pledged			Net Amount
	(Dollars in thousands)
March 31, 2020
Financial assets:
Derivatives not designated as hedging instruments	$	33,255	$	-		$	-	$	33,255	$	-		$	33,255

Total	$	33,255	$	-		$	-	$	33,255	$	-		$	33,255


Financial liabilities:
Derivatives not designated as hedging instruments	$	33,255	$	-		$	33,255	$	-	$	(52,171	)	$	(18,916	)
Repurchase agreements		368,915		-			368,915		-		(417,665	)		(48,750	)

Total	$	402,170	$	-		$	402,170	$	-	$	(469,836	)	$	(67,666	)


December 31, 2019
Financial assets:
Derivatives not designated as hedging instruments	$	11,502	$	-		$	-	$	11,502	$	-		$	11,502

Total	$	11,502	$	-		$	-	$	11,502	$	-		$	11,502


Financial liabilities:
Derivatives not designated as hedging instruments	$	11,619	$	(117	)	$	11,502	$	117	$	(23,312	)	$	(11,693	)
Repurchase agreements		428,659		-			428,659		-		(510,138	)		(81,479	)

Total	$	440,278	$	(117	)	$	440,161	$	117	$	(533,450	)	$	(93,172	)

Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Stockholders' Equity [Abstract]
Cash dividends per common share	$ 0.18	$ 0.18

Investment Securities - Summary of Amortized Cost and Estimated Fair Value of Investment Securities (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Schedule of Investments [Line Items]
Amortized Cost, Available-for-sale	$ 1,621,236	$ 1,718,357
Gross Unrealized Holding Gain, Available-for-sale	58,519	23,548
Gross Unrealized Holding Loss, Available-for-sale	0	(1,648)
Fair Value, Available-for-sale	$ 1,679,755	$ 1,740,257
Total Percent, Available-for-sale	100.00%	100.00%
Amortized Cost, Held-to-maturity	$ 642,255	$ 674,452
Gross Unrealized Holding Gain, Held-to-maturity	16,295	8,230
Gross Unrealized Holding Loss, Held-to-maturity	(731)	(3,734)
Fair Value, Held-to-maturity	$ 657,819	$ 678,948
Total Percent, Held-to-maturity	100.00%	100.00%
CMO/REMIC [Member]
Schedule of Investments [Line Items]
Amortized Cost, Available-for-sale	$ 466,033	$ 493,214
Gross Unrealized Holding Gain, Available-for-sale	14,060	1,392
Gross Unrealized Holding Loss, Available-for-sale	0	(896)
Fair Value, Available-for-sale	$ 480,093	$ 493,710
Total Percent, Available-for-sale	28.58%	28.37%
Amortized Cost, Held-to-maturity	$ 184,316	$ 192,548
Gross Unrealized Holding Gain, Held-to-maturity	591	0
Gross Unrealized Holding Loss, Held-to-maturity	(98)	(2,458)
Fair Value, Held-to-maturity	$ 184,809	$ 190,090
Total Percent, Held-to-maturity	28.70%	28.55%
Government Agency/GSE [Member]
Schedule of Investments [Line Items]
Amortized Cost, Held-to-maturity	$ 111,452	$ 117,366
Gross Unrealized Holding Gain, Held-to-maturity	3,468	2,280
Gross Unrealized Holding Loss, Held-to-maturity	(207)	(657)
Fair Value, Held-to-maturity	$ 114,713	$ 118,989
Total Percent, Held-to-maturity	17.35%	17.40%
Mortgage-backed Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost, Available-for-sale	$ 1,118,385	$ 1,185,757
Gross Unrealized Holding Gain, Available-for-sale	43,546	21,306
Gross Unrealized Holding Loss, Available-for-sale	0	(750)
Fair Value, Available-for-sale	$ 1,161,931	$ 1,206,313
Total Percent, Available-for-sale	69.18%	69.32%
Amortized Cost, Held-to-maturity	$ 161,983	$ 168,479
Gross Unrealized Holding Gain, Held-to-maturity	8,182	2,083
Gross Unrealized Holding Loss, Held-to-maturity	0	(54)
Fair Value, Held-to-maturity	$ 170,165	$ 170,508
Total Percent, Held-to-maturity	25.22%	24.98%
Municipal Bonds [Member]
Schedule of Investments [Line Items]
Amortized Cost, Available-for-sale	$ 36,119	$ 38,506
Gross Unrealized Holding Gain, Available-for-sale	913	850
Gross Unrealized Holding Loss, Available-for-sale	0	(2)
Fair Value, Available-for-sale	$ 37,032	$ 39,354
Total Percent, Available-for-sale	2.20%	2.26%
Amortized Cost, Held-to-maturity	$ 184,504	$ 196,059
Gross Unrealized Holding Gain, Held-to-maturity	4,054	3,867
Gross Unrealized Holding Loss, Held-to-maturity	(426)	(565)
Fair Value, Held-to-maturity	$ 188,132	$ 199,361
Total Percent, Held-to-maturity	28.73%	29.07%
Other Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost, Available-for-sale	$ 699	$ 880
Gross Unrealized Holding Gain, Available-for-sale	0	0
Gross Unrealized Holding Loss, Available-for-sale	0	0
Fair Value, Available-for-sale	$ 699	$ 880
Total Percent, Available-for-sale	0.04%	0.05%

Loans and Lease Finance Receivables and Allowance for Loan Losses - Schedule of Recorded Investment in Loans Held-for-Investment and Related Allowance for Loan Losses by Loan Type (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Mar. 31, 2019
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment		$ 20,290
Recorded Investment in Loans, Collectively Evaluated for Impairment		7,575,696
Recorded Investment in Loans, Acquired with Deterioriated Credit Quality		15,356
Allowance for Loan Losses, Individually Evaluated for Impairment		435
Allowance for Loan Losses, Collectively Evaluated for Impairment		64,586
Allowance for Loan Losses, Acquired with Deterioriated Credit Quality	$ 82,600	180
PCI Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment		0
Recorded Investment in Loans, Collectively Evaluated for Impairment		0
Recorded Investment in Loans, Acquired with Deterioriated Credit Quality		15,356
Allowance for Loan Losses, Individually Evaluated for Impairment		0
Allowance for Loan Losses, Collectively Evaluated for Impairment		0
Allowance for Loan Losses, Acquired with Deterioriated Credit Quality		180
Commercial and Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment		8,512
Recorded Investment in Loans, Collectively Evaluated for Impairment		948,614
Recorded Investment in Loans, Acquired with Deterioriated Credit Quality		0
Allowance for Loan Losses, Individually Evaluated for Impairment		117
Allowance for Loan Losses, Collectively Evaluated for Impairment		7,482
Allowance for Loan Losses, Acquired with Deterioriated Credit Quality		0
Small Business Administration [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment		4,661
Recorded Investment in Loans, Collectively Evaluated for Impairment		333,296
Recorded Investment in Loans, Acquired with Deterioriated Credit Quality		0
Allowance for Loan Losses, Individually Evaluated for Impairment		317
Allowance for Loan Losses, Collectively Evaluated for Impairment		962
Allowance for Loan Losses, Acquired with Deterioriated Credit Quality		0
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment		1,589
Recorded Investment in Loans, Collectively Evaluated for Impairment		5,387,277
Recorded Investment in Loans, Acquired with Deterioriated Credit Quality		0
Allowance for Loan Losses, Individually Evaluated for Impairment		0
Allowance for Loan Losses, Collectively Evaluated for Impairment		46,078
Allowance for Loan Losses, Acquired with Deterioriated Credit Quality		0
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment		0
Recorded Investment in Loans, Collectively Evaluated for Impairment		121,912
Recorded Investment in Loans, Acquired with Deterioriated Credit Quality		0
Allowance for Loan Losses, Individually Evaluated for Impairment		0
Allowance for Loan Losses, Collectively Evaluated for Impairment		864
Allowance for Loan Losses, Acquired with Deterioriated Credit Quality		0
SFR Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment		5,051
Recorded Investment in Loans, Collectively Evaluated for Impairment		280,736
Recorded Investment in Loans, Acquired with Deterioriated Credit Quality		0
Allowance for Loan Losses, Individually Evaluated for Impairment		0
Allowance for Loan Losses, Collectively Evaluated for Impairment		2,188
Allowance for Loan Losses, Acquired with Deterioriated Credit Quality		0
Dairy & Livestock and Agribusiness [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment		0
Recorded Investment in Loans, Collectively Evaluated for Impairment		322,321
Recorded Investment in Loans, Acquired with Deterioriated Credit Quality		0
Allowance for Loan Losses, Individually Evaluated for Impairment		0
Allowance for Loan Losses, Collectively Evaluated for Impairment		5,699
Allowance for Loan Losses, Acquired with Deterioriated Credit Quality		0
Municipal Lease Finance Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment		0
Recorded Investment in Loans, Collectively Evaluated for Impairment		61,249
Recorded Investment in Loans, Acquired with Deterioriated Credit Quality		0
Allowance for Loan Losses, Individually Evaluated for Impairment		0
Allowance for Loan Losses, Collectively Evaluated for Impairment		738
Allowance for Loan Losses, Acquired with Deterioriated Credit Quality		0
Consumer and Other Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment		477
Recorded Investment in Loans, Collectively Evaluated for Impairment		120,291
Recorded Investment in Loans, Acquired with Deterioriated Credit Quality		0
Allowance for Loan Losses, Individually Evaluated for Impairment		1
Allowance for Loan Losses, Collectively Evaluated for Impairment		575
Allowance for Loan Losses, Acquired with Deterioriated Credit Quality		$ 0

Investment Securities - Additional Information (Detail) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Investment securities pledged as collateral	$ 1,630,000,000	$ 1,640,000,000
Investment in FHLB stock, impairment losses	$ 0
United States [Member]
Debt Securities, Available-for-sale [Line Items]
Securities issued by U.S. government percentage	90.00%

Fair Value Information - Additional Information (Detail) - USD ($)	Mar. 31, 2020	Mar. 31, 2019
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Fair value assets transfers from Level 1 to Level 2	$ 0	$ 0
Fair value assets transfers from Level 2 to Level 1	0	0
Fair value liabilities transfers from Level 1 to Level 2	0	0
Fair value liabilities transfers from Level 2 to Level 1	$ 0	$ 0

Leases - Future lease payments required for leases that have initial or remaining non-cancelable lease terms (Detail) $ in Thousands	Mar. 31, 2020 USD ($)
2020 (excluding the three months ended March 31, 2020)	$ 5,179
2021	5,509
2022	4,322
2023	2,540
2024	1,495
Thereafter	1,781
Total future lease payments	20,826
Less: Imputed interest	(1,342)
Present value of lease liabilities	$ 19,484

Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Significant Accounting Policies

3.	SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Except as discussed below, our accounting policies are described in Note 3 –

Summary of Significant Accounting Policies

, of our audited consolidated financial statements included in our Annual Report on Form

10-K

for the year ended December 31, 2019 as filed with the SEC (“Form

10-K”).

Use of Estimates in the Preparation of Financial Statements

— The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. A material estimate that is particularly susceptible to significant change in the near term relates to the determination of the allowance for

credit

losses. Other significant estimates, which may be subject to change, include fair value determinations and disclosures, impairment of investments, goodwill, loans, as well as valuation of deferred tax assets.

Adoption of New Accounting Standard

Provision and Allowance for Credit Losses

— On January 1, 2020, the Company adopted ASU No.

2016-13,

“Financial Instruments — Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments”. This ASU significantly changes how entities will measure credit losses for most financial assets and certain other instruments that are not measured at fair value through net income. This ASU replaces the current “incurred loss” approach with an “expected loss” model. The new model, referred to as the Current Expected Credit Loss (“CECL”) model, applies to: (1) financial assets subject to credit losses and measured at amortized cost, and (2) certain off balance sheet credit exposures. This includes, but is not limited to, loans,

held-to-maturity

securities, loan commitments, and financial guarantees. The CECL model does not apply to

available-for-sale

(“AFS”) debt securities. For AFS debt securities with unrealized losses, we will measure credit impairment in a manner similar to the approach used prior to the adoption of CECL, except that the losses will be recognized as allowances rather than reductions in the amortized cost of the securities. As a result, we will recognize improvements to estimated credit losses immediately in earnings rather than as interest income over time, as required prior to the adoption of CECL. As a policy election, we excluded the accrued interest receivable balance from the amortized cost basis of financing receivables and HTM

securities, as well as AFS securities, and disclose total accrued interest receivable separately on the condensed consolidated balance sheet. If accrued interest is not received, it is reversed against interest income, which was zero for the first quarter of 2020.

The Company adopted this ASU using the modified retrospective method for all financial assets measured at amortized cost and

off-balance

sheet credit exposures. Results for reporting periods beginning after January 1, 2020 are presented under ASC 326 while prior period amounts continue to be reported in accordance with previously applicable GAAP. The Company recorded a net decrease to beginning retained earnings of $1.3 million, net of tax as of January 1, 2020 for the cumulative adjustment upon adoption of ASC 326. The transition adjustment of

$1.8 million was added to the beginning balance of the allowance for credit losses (“ACL”) for loans and $41,000 was added to the beginning balance of reserve for unfunded loan commitments.

Upon adoption of CECL there was no impact on the accounting for AFS or HTM investment securities.

The Company developed a CECL allowance model that calculates reserves over the life of the loan and is largely driven by portfolio characteristics, risk grading, macroeconomic variables and the associated economic outlook, as well as other key methodology assumptions. The allowance is based upon historical lifetime loss rate models segregated by three loan segments: Commercial and Industrial, Commercial Real Estate, and Consumer Retail. In addition to determining the quantitative life of loan loss rate to be applied against the portfolio segments, the ASU indicates management has the opportunity to layer on current conditions and forecast adjustments to ensure that the life of loan loss rate reflects both the current state of the portfolio, and expectations for macroeconomic changes in the near future. We utilized a single economic forecast that is based on probability weighted scenarios to incorporate macroeconomic uncertainty over a 2 or

3-year

forecast horizon. After the initial 2 to 3 year forecast horizon, we use an input reversion methodology in the model structure to complete a reasonable and supportable forecast period for the life of the loan.

During the second half of March 2020, the broader economy experienced a significant deterioration in the economic environment driven by the COVID-19 pandemic resulting in

adverse changes to the forecasted macroeconomic variables utilized in our modeling processes. This expected economic deterioration, coupled with the implementation of the expected loss methodology for determining our provision for credit losses, have contributed to an increased provision for credit losses of

$12

million for

the first quarter of 2020. We continue to monitor the impact of COVID-19 closely, as well as any effects that may result from the CARES Act. The extent to which the COVID-19 pandemic will impact our operations and financial results during the remainder of 2020 is highly uncertain, but we may experience increased provision for credit losses if the

COVID-19

pandemic results in additional economic stress on our borrowers and loan portfolios.

Loans and Lease Finance Receivables and Allowance for Loan Losses - Additional Information (Detail)		3 Months Ended
	Jan. 01, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020 USD ($) Contract	Mar. 31, 2019 USD ($) Contract	Dec. 31, 2019 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Secure borrowings and available lines of credit from FHLB and Federal Reserve Bank				$ 6,060,000,000.00		$ 6,030,000,000.00
Loans held-for-sale				0		0
Impaired, at carrying value				2,800,000	$ 20,290,000	8,389,000
Impaired, at carrying value					435,000	508,000
Allowance for Credit Losses				82,600,000	$ 180,000
Provision for Credit Losses				$ 12,000,000.0
Percentage Of Allowance For Credit Losses	0.93%			1.11%
Reserve for credit risk for undisbursed commitments				$ 9,000,000.0		9,000,000.0
Allocation of allowance to troubled debt restructuring				$ 0		0
Number of loans modified as a TDR within the previous 12 months that subsequently defaulted \| Contract				0	0
Increase in reserve for unfunded loan commitments				$ 0
Percentage of PCI loans to Loan Receivable		10.00%	20.00%
Description of Effects in Loans due to COVID 19				In accordance with regulatory guidance, if borrowers are less than 30 days past due on their loans, upon implementation of the modification program, or as allowed under the CARES Act if borrowers are less than 30 days past due on their loans as of December 31, 2019, and enter into short-term loan modifications offered as a result of COVID-19, their loans generally continue to be considered performing loans and continue to accrue interest during the period of the loan modification. For borrowers who are 30 days or more past due when entering into loan modifications offered as a result of COVID-19, we evaluate the loan modifications under our existing troubled debt restructuring framework, and where such a loan modification would result in a concession to a borrower experiencing financial difficulty, the loan will be accounted for as a TDR and will generally not accrue interest. For all borrowers who enroll in these loan modification programs offered as a result of COVID-19, the delinquency status of the borrowers is frozen, resulting in a static delinquency metric during the deferral period. Upon exiting the deferral program, the measurement of loan delinquency will resume where it had left off upon entry into the program. Through May 3, 2020, we have granted temporary payment deferments of interest or of principal and interest for 90 days on 620 loans in the amount of $940 million, or approximately 13% of our total loan portfolio at March 31, 2020.
Unemployment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of Increase Decrease In Macro Economic Factors		6.00%	9.00%
Impact of ASU 2016-13 Adoption [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Increase in reserve for unfunded loan commitments				$ 41,000
Commercial Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of total gross loan portfolio (excluding PCI loans)				77.08%
Notes receivable gross				$ 5,347,925,000		5,374,617,000
Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of total gross loan portfolio (excluding PCI loans)				71.63%
Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Credit Losses					$ 0
Small Business Administration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Credit Losses					0
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Credit Losses					$ 0
Performing Financing Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Impaired, at carrying value				$ 2,800,000
Performing Financing Receivable [Member] \| Single-family Residential Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans classified as troubled debt restructured				1,800,000
Performing Financing Receivable [Member] \| Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans classified as troubled debt restructured				68,000
Performing Financing Receivable [Member] \| Small Business Administration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans classified as troubled debt restructured				524,000
Performing Financing Receivable [Member] \| Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans classified as troubled debt restructured				377,000
Loans, Excluding PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross				272,100,000
Loans, Excluding PCI Loans [Member] \| Dairy & Livestock Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross				218,000,000.0		323,500,000
Loans, Excluding PCI Loans [Member] \| Agribusiness Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross				$ 54,100,000		$ 60,200,000
Loans, Excluding PCI Loans [Member] \| Loans Secured by Farmland [Member] \| Commercial Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of total gross loan portfolio (excluding PCI loans)				4.64%		4.50%
Notes receivable gross				$ 248,200,000		$ 241,800,000
Loans, Excluding PCI Loans [Member] \| Loans Secured by Farmland [Member] \| Loans Secured by Dairy & Livestock Land [Member] \| Commercial Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross				122,500,000		125,900,000
Loans, Excluding PCI Loans [Member] \| Loans Secured by Farmland [Member] \| Loans Secured by Agricultural Land [Member] \| Commercial Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross				$ 125,700,000		$ 115,900,000

Business - Additional Information (Detail)	Mar. 31, 2020 Subsidiary Location Loan
Schedule Of Description Of Company [Line Items]
Number of inactive subsidiaries \| Subsidiary	1
Bank operated banking centers	58
Bank operated trust office locations, number	3
Number of loan production office \| Loan	1

Loans and Lease Finance Receivables and Allowance for Loan Losses

3 Months Ended

Mar. 31, 2020

Receivables [Abstract]

Loans and Lease Finance Receivables and Allowance for Loan Losses

5.	LOANS AND LEASE FINANCE RECEIVABLES AND ALLOWANCE FOR CREDIT LOSSES

The following table provides a summary of total loans and lease finance receivables by type.


	March 31, 2020			December 31, 2019
	(Dollars in thousands)
Commercial and industrial	$	960,761		$	935,127
SBA		313,071			305,008
Real estate:
Commercial real estate		5,347,925			5,374,617
Construction		128,045			116,925
SFR mortgage		278,743			283,468
Dairy & livestock and agribusiness		272,114			383,709
Municipal lease finance receivables		51,287			53,146
Consumer and other loans		114,206			116,319

Gross loans		7,466,152			7,568,319
Less: Deferred loan fees, net (1)		-			(3,742	)

Gross loans, net of deferred loan fees		7,466,152			7,564,577
Less: Allowance for credit losses		(82,641	)		(68,660	)

Total loans and lease finance receivables	$	7,383,511		$	7,495,917

(1)

Beginning with March 31, 2020, gross loans are presented net of deferred loan fees by respective class of financing receivables.

As of March 31, 2020, 77.08% of the Company’s total gross loan portfolio consisted of real estate loans, with commercial real estate loans representing 71.63% of total loans. Substantially all of the Company’s real estate loans and construction loans are secured by real properties located in California. As of March 31, 2020, $248.2 million, or 4.64% of the total commercial real estate loans included loans secured by farmland, compared to $241.8 million, or 4.50%, at December 31, 2019. The loans secured by farmland included $122.5 million for loans secured by dairy & livestock land and $125.7 million for loans secured by agricultural land at March 31, 2020, compared to $125.9 million for loans secured by dairy & livestock land and $115.9 million for loans secured by agricultural land at December 31, 2019. As of March 31, 2020, dairy & livestock and agribusiness loans of $272.1 million were comprised of $218.0 million for dairy & livestock loans and $54.1 million for agribusiness loans, compared to $323.5 million for dairy & livestock loans and $60.2 million for agribusiness loans at December 31, 2019.

At March 31, 2020 and December 31, 2019, loans totaling $6.06 billion and $6.03 billion, respectively, were pledged to secure the borrowings and available lines of credit from the FHLB and the Federal Reserve Bank.

There were no outstanding loans

held-for-sale

as of March 31, 2020 and December 31, 2019.

Credit Quality Indicators

An important element of our approach to credit risk management is our loan risk rating system. The originating officer assigns each loan an initial risk rating, which is reviewed and confirmed or changed, as appropriate, by credit management. Approvals are made based upon the amount of inherent credit risk specific to the transaction and are reviewed for appropriateness by senior line and credit management personnel. Credits are monitored by line and credit management personnel on an ongoing basis for deterioration or improvement in a borrower’s financial condition, which would impact the ability of the borrower to perform under the contract. Risk ratings are adjusted as necessary.

Loans are risk rated into the following categories (Credit Quality Indicators): Pass, Special Mention, Substandard, Doubtful and Loss. Each of these groups is assessed for the proper amount to be used in determining the adequacy of our allowance for losses. These categories can be described as follows:

Pass — These loans, including loans on the Bank’s internal watch list, range from minimal credit risk to lower than average, but still acceptable, credit risk. Watch list loans usually require more than normal management attention. Loans on the watch list may involve borrowers with adverse financial trends, higher debt/equity ratios, or weaker liquidity positions, but not to the degree of being considered a defined weakness or problem loan where risk of loss may be apparent.

Special Mention — Loans assigned to this category have potential weaknesses that deserve management’s close attention. If left uncorrected, these potential weaknesses may result in the deterioration of the repayment prospects for the asset or the Company’s credit position at some future date. Special mention assets are not adversely classified and do not expose the Company to sufficient risk to warrant adverse classification.

Substandard — Loans classified as substandard are inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged, if any. Assets so classified must have a well-defined weakness, or weaknesses, that jeopardize the liquidation of the debt. Substandard loans are characterized by the distinct possibility that the Company will sustain some loss if deficiencies are not corrected.

Doubtful — Loans classified as doubtful have all the weaknesses inherent in those classified substandard with the added characteristic that the weaknesses make collection or the liquidation in full, on the basis of currently existing facts, conditions and values, highly questionable and improbable.

Loss — Loans classified as loss are considered uncollectible and of such little value that their continuance as bankable assets is not warranted. This classification does not mean that the loan has absolutely no recovery or salvage value, but rather that it is not practical or desirable to defer writing off this asset with insignificant value even though partial recovery may be affected in the future.

The following table summarizes loans by type and origination year, according to our internal risk ratings as of the date presented.


	Origination Year												Revolving loans amortized cost basis		Revolving loans converted to term loans
March 31, 2020	2020		2019		2018		2017		2016		Prior		Revolving loans amortized cost basis		Revolving loans converted to term loans		Total
	(Dollars in thousands)
Commercial and industrial loans:
Risk Rating:
Pass	$	35,101	$	160,551	$	79,808	$	74,291	$	48,698	$	85,803	$	423,186	$	8,849	$	916,287
Special Mention		1,066		257		7,405		1,694		539		3,524		12,598		2,442		29,525
Substandard		-		143		796		855		637		37		11,256		1,225		14,949
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total Commercial and industrial loans:	$	36,167	$	160,951	$	88,009	$	76,840	$	49,874	$	89,364	$	447,040	$	12,516	$	960,761

SBA:
Risk Rating:
Pass	$	26,599	$	18,009	$	48,416	$	77,219	$	27,922	$	93,865	$	-	$	-	$	292,030
Special Mention		-		-		-		1,177		1,277		7,809		-		-		10,263
Substandard		-		-		1,424		3,835		1,604		3,915		-		-		10,778
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total SBA:	$	26,599	$	18,009	$	49,840	$	82,231	$	30,803	$	105,589	$	-	$	-	$	313,071

Commercial real estate loans:
Risk Rating:
Pass	$	153,366	$	726,268	$	743,909	$	732,319	$	626,561	$	2,021,759	$	197,335	$	18,747	$	5,220,264
Special Mention		-		5,343		9,106		16,484		7,211		52,995		3,457		-		94,596
Substandard		-		-		5,155		5,813		1,315		18,819		250		1,713		33,065
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total Commercial real estate loans:	$	153,366	$	731,611	$	758,170	$	754,616	$	635,087	$	2,093,573	$	201,042	$	20,460	$	5,347,925

Construction loans:
Risk Rating:
Pass	$	550	$	13,414	$	13,300	$	35,130	$	10,592	$	5	$	49,591	$	5,463	$	128,045
Special Mention		-		-		-		-		-		-		-		-		-
Substandard		-		-		-		-		-		-		-		-		-
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total Construction loans:	$	550	$	13,414	$	13,300	$	35,130	$	10,592	$	5	$	49,591	$	5,463	$	128,045

SFR mortgage loans:
Risk Rating:
Pass	$	10,473	$	66,680	$	38,192	$	26,819	$	35,992	$	96,795	$	-	$	-	$	274,951
Special Mention		-		-		-		-		-		1,942		-		-		1,942
Substandard		-		-		-		379		-		1,025		-		446		1,850
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total SFR mortgage loans:	$	10,473	$	66,680	$	38,192	$	27,198	$	35,992	$	99,762	$	-	$	446	$	278,743


	Origination Year												Revolving loans amortized cost basis		Revolving loans converted to term loans
March 31, 2020	2020		2019		2018		2017		2016		Prior		Revolving loans amortized cost basis		Revolving loans converted to term loans		Total
	(Dollars in thousands)
Dairy & livestock and agribusiness loans:
Risk Rating:
Pass	$	78	$	2,945	$	1,940	$	8,109	$	2,831	$	14,655	$	192,649	$	-	$	223,207
Special Mention		-		-		166		722		-		-		22,150		3,686		26,724
Substandard		-		-		882		-		4,016		-		4,625		12,660		22,183
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total Dairy & livestock and agribusiness loans:	$	78	$	2,945	$	2,988	$	8,831	$	6,847	$	14,655	$	219,424	$	16,346	$	272,114

Municipal lease finance receivables loans:
Risk Rating:
Pass	$	147	$	-	$	3,081	$	10,961	$	7,912	$	28,739	$	-	$	-	$	50,840
Special Mention		-		-		-		-		-		447		-		-		447
Substandard		-		-		-		-		-		-		-		-		-
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total Municipal lease finance receivables loans:	$	147	$	-	$	3,081	$	10,961	$	7,912	$	29,186	$	-	$	-	$	51,287

Consumer and other loans:
Risk Rating:
Pass	$	1,647	$	3,197	$	1,160	$	1,372	$	2,094	$	2,612	$	98,953	$	1,582	$	112,617
Special Mention		-		-		-		-		80		148		609		-		837
Substandard		-		-		5		-		-		179		148		420		752
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total Consumer and other loans:	$	1,647	$	3,197	$	1,165	$	1,372	$	2,174	$	2,939	$	99,710	$	2,002	$	114,206

Gross loans:
Risk Rating:
Pass	$	227,961	$	991,064	$	929,806	$	966,220	$	762,602	$	2,344,233	$	961,714	$	34,641	$	7,218,241
Special Mention		1,066		5,600		16,677		20,077		9,107		66,865		38,814		6,128		164,334
Substandard		-		143		8,262		10,882		7,572		23,975		16,279		16,464		83,577
Doubtful & Loss		-		-		-		-		-		-		-		-		-

Total Gross loans:	$	229,027	$	996,807	$	954,745	$	997,179	$	779,281	$	2,435,073	$	1,016,807	$	57,233	$	7,466,152

The following table summarizes lo

s by type, according to our internal risk ratings as of the date presented.


	December 31, 2019
	Pass		Special Mention		Substandard		Doubtful & Loss		Total
	(Dollars in thousands)
Commercial and industrial	$	895,234	$	35,473	$	4,420	$	-	$	935,127
SBA		283,430		11,032		10,546		-		305,008
Real estate:
Commercial real estate
Owner occupied		1,977,007		78,208		28,435		-		2,083,650
Non-owner occupied		3,280,580		10,005		382		-		3,290,967
Construction
Speculative		106,895		-		-		-		106,895
Non-speculative		10,030		-		-		-		10,030
SFR mortgage		280,010		1,957		1,501		-		283,468
Dairy & livestock and agribusiness		320,670		35,920		27,119		-		383,709
Municipal lease finance receivables		52,676		470		-		-		53,146
Consumer and other loans		114,870		421		1,028		-		116,319

Total gross loans	$	7,321,402	$	173,486	$	73,431	$	-	$	7,568,319

Allowance for Credit Losses

The allowance for credit losses for 2020 is based upon historical lifetime loss rate models segregated by three loan segments: Commercial and Industrial, Commercial Real Estate, and Consumer Retail. Our methodology for assessing the appropriateness of the allowance is reviewed on a regular basis and considers overall risks in the Bank’s loan portfolio. Refer to Note 3 –

Summary of Significant Accounting Policies

contained herein for a more detailed discussion concerning the allowance for credit losses.

During the second half of March 2020, the broader economy experienced a significant deterioration in the economic environment driven by the

COVID-19

pandemic resulting in adverse changes to the forecasted macroeconomic

variables utilized in our modeling processes. For the quarter ended March 31, 2020, the Bank’s CECL methodology produced an ACL of $82.6 million, resulting in a provision for credit losses of $12.0 million. The ACL/Total Loan Coverage Ratio as of March 31, 2020 increased to 1.11%, compared to 0.93% as of January 1, 2020 due to the more severe economic forecast that resulted from the

COVID-19

crisis.

Our economic forecast is a blend of multiple forecasts produced by Moody’s. The resulting forecast assumes a decline in GDP for the second quarter of almost 20% and unemployment rising to more than 9% in the second quarter of 2020. GDP is forecasted to rebound to growth of approximately 10% in the third quarter of 2020, but unemployment continues to be inflated at more than 6% through the remainder of 2020.

Management believes that the ACL was appropriate at March 31, 2020 and December 31, 2019. No assurance can be given that economic conditions that adversely affect the Company’s service areas or other circumstances will not be reflected in increased provisions for credit losses in the future.

The following tables present the balance and activity related to the allowance for credit losses for

held-for-investment

loans by type for the periods presented.


	Three Months Ended March 31, 2020
	Ending Balance, prior to adoption of ASU 2016-13 December 31, 2019		Impact of adopting ASU 2016-13			Provision for (Recapture of) Credit Losses Expense			Charge-offs			Recoveries		Ending Balance March 31, 2020
	(Dollars i in thousands)
Commercial and industrial	$	8,880	$	(2,442	)	$	2,947		$	-		$	2	$	9,387
SBA		1,453		1,818			675			-			-		3,946
Real estate:
Commercial real estate		48,629		3,547			6,251			-			-		58,427
Construction		858		655			3,116			-			3		4,632
SFR mortgage		2,339		(2,043	)		(221	)		-			206		281
Dairy & livestock and agribusiness		5,255		(186	)		(803	)		-			-		4,266
Municipal lease finance receivables		623		(416	)		70			-			-		277
Consumer and other loans		623		907			(35	)		(86	)		16		1,425

Total allowance for credit losses	$	68,660	$	1,840		$	12,000		$	(86	)	$	227	$	82,641


	Three Months Ended March 31, 2019
	Ending Balance December 31, 2018		Charge-offs			Recoveries		Provision for (Recapture of) Loan Losses			Ending Balance March 31, 2019
	(Dollars in thousands)
Commercial and industrial	$	7,520	$	-		$	110	$	(31	)	$	7,599
SBA		1,062		(20	)		5		232			1,279
Real estate:				-			-
Commercial real estate		44,934		-			-		1,144			46,078
Construction		981		-			3		(120	)		864
SFR mortgage		2,196		-			68		(76	)		2,188
Dairy & livestock and agribusiness		5,215		(78	)		-		562			5,699
Municipal lease finance receivabl es		775		-			-		(37	)		738
Consumer and other loans		726		(1	)		1		(150	)		576
PCI loans		204		-			-		(24	)		180

Total allowance for loan losses	$	63,613	$	(99	)	$	187	$	1,500		$	65,201

The following table presents the recorded investment in loans

held-for-investment

and the related

ACL

by loan type, based on the Company’s methodology for determining the

ACL

for the periods presented. Acquired loans are also supported by a credit discount established through the determination of fair value for the acquired loan portfolio.


	March 31, 2019
	Recorded Investment in Loans						Allowance for Loan Losses
	Individually Evaluated for Impairment		Collectively Evaluated for Impairment		Acquired with Deterioriated Credit Quality		Individually Evaluated for Impairment		Collectively Evaluated for Impairment		Acquired with Deterioriated Credit Quality
	(Dollars in thousands)
Commercial and industrial	$	8,512	$	948,614	$	-	$	117	$	7,482	$	-
SBA		4,661		333,296		-		317		962		-
Real estate:
Commercial real estate		1,589		5,387,277		-		-		46,078		-
Construction		-		121,912		-		-		864		-
SFR mortgage		5,051		280,736		-		-		2,188		-
Dairy & livestock and agribusiness		-		322,321		-		-		5,699		-
Municipal lease finance receivables		-		61,249		-		-		738		-
Consumer and other loans		477		120,291		-		1		575		-
PCI loans		-		-		15,356		-		-		180

Total	$	20,290	$	7,575,696	$	15,356	$	435	$	64,586	$	180

Past Due and Nonperforming Loans

We seek to manage asset

quality

3 – Summary of Significant Accounting Policies, included in our Annual Report on Form

10-

K for the year ended December 31, 2019, for additional discussion concerning the Bank’s policy for past due and nonperforming loans.

The following table presents the recorded investment in, and the ag

g of, past due loans (including nonaccrual loans), by type of loans as of the date pres

ent

ed.


	March 31, 2020
	30-59 Days Past Due		60-89 Days Past Due		Greater than 89 Days Past Due		Total Past Due		Loans Not Past Due		Total Loans and Financing Receivables
	(Dollars in thousands)
Commercial and industrial	$	347	$	362	$	1,487	$	2,196	$	958,565	$	960,761
SBA		3,086		954		1,669		5,709		307,362		313,071
Real estate:
Commercial real estate
Owner occupied		154		310		250		714		2,069,646		2,070,360
Non-owner occupied		210		-		-		210		3,277,355		3,277,565
Construction
Speculative (1)		-		-		-		-		116,143		116,143
Non-speculative		-		-		-		-		11,902		11,902
SFR mortgage		233		-		486		719		278,024		278,743
Dairy & livestock and agribusiness		166		-		-		166		271,948		272,114
Municipal lease finance receivables		-		-		-		-		51,287		51,287
Consumer and other loans		-		-		93		93		114,113		114,206

Total gross loans	$	4,196	$	1,626	$	3,985	$	9,807	$	7,456,345	$	7,466,152

(1)

Speculative construction loans are generally for properties where there is no identified buyer or renter.


	March 31, 2020
	Nonaccrual with No Allowance for Credit Losses		Total Nonaccrual (1) (3)		Loans Past Due Over 89 Days Still Accruing
	(Dollars in thousands)
Commercial and industrial	$	549	$	1,703	$	-
SBA		2,110		2,748		-
Real estate:
Commercial real estate
Owner occupied		715		715		-
Non-owner occupied		232		232		-
Construction
Speculative (2)		-		-		-
Non-speculative		-		-		-
SFR mortgage		864		864		-
Dairy & livestock and agribusiness		-		-		-
Municipal lease finance receivables		-		-		-
Consumer and other loans		166		166		-

Total gross loans	$	4,636	$	6,428	$	-

(1)

As of March 31, 2020, $982,000 of nonaccruing loans were current, $154,000 were

30-59

days past due, $1.3 million were

60-89

days past due, and $4.0 million were 90+ days past due.

(2)

Speculative construction loans are generally for properties where there is no identified buyer or renter.

(

)

Excludes $1.7 million of guaranteed portion of nonaccrual SBA loans that are in process of collection.

The following table presents the recorded investment in, and the aging of, past due and nonaccrual loans, by type of loans as of the date presented.


	December 31, 2019
	30-59 Days Past Due		60-89 Days Past Due		Total Past Due and Accruing		Nonaccrual (1) (3)		Current		Total Loans and Financing Receivables
					(Dollars in thousands)
Commercial and industrial	$	2	$	-	$	2	$	1,266	$	933,859	$	935,127
SBA		870		532		1,402		2,032		301,574		305,008
Real estate:
Commercial real estate
Owner occupied		-		-		-		479		2,083,171		2,083,650
Non-owner occupied		-		-		-		245		3,290,722		3,290,967
Construction
Speculative (2)		-		-		-		-		106,895		106,895
Non-speculative		-		-		-		-		10,030		10,030
SFR mortgage		6		243		249		878		282,341		283,468
Dairy & livestock and agribusiness		-		-		-		-		383,709		383,709
Municipal lease finance receivables		-		-		-		-		53,146		53,146
Consumer and other loans		-		-		-		377		115,942		116,319

Total gross loans	$	878	$	775	$	1,653	$	5,277	$	7,561,389	$	7,568,319

(1)

As of December 31, 2019, $1.2 million of nonaccruing loans were current, $59,000 were

30-59

days past due, $1.1 million were

60-89

days past due and $2.9 million were 90+ days past due.

(2)

Speculative construction loans are generally for properties where

there

is no identifi

buyer or renter.

(

)

Excludes $2.0 million of guaranteed porti

of nonaccrual SBA loans that are in process of collection.

Impaired Loans (prior to adoption of CECL)

Following the adoption of CECL as of January 1, 2020, the definitions of impairment and related impaired loan disclosures were removed. As a result of the change, the following tables present information about our impaired loans and lease finance receivables, individually evaluated for impairment by type of loans, as of March 31, 2019 and December 31, 2019, prior to the date of adoption of the amendments to the credit loss standard.


	Three Months Ended March 31, 2019
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Income Recognized
	(Dollars in thousands)
With no related allowance recorded:
Commercial and industrial	$	8,208	$	12,317	$	-	$	8,230	$	2
SBA		3,400		5,779		-		3,511		11
Real estate:
Commercial real estate
Owner occupied		519		618		-		521		-
Non-owner occupied		1,070		1,231		-		1,084		7
Construction
Speculative		-		-		-		-		-
Non-speculative		-		-		-		-		-
SFR mortgage		5,051		5,865		-		5,082		21
Dairy & livestock and agribusiness		-		-		-		-		-
Municipal lease finance receivables		-		-		-		-		-
Consumer and other loans		476		625		-		482		-

Total		18,724		26,435		-		18,910		41

With a related allowance recorded:
Commercial and industrial		304		309		117		323		-
SBA		1,261		1,236		317		1,261		-
Real estate:
Commercial real estate
Owner occupied		-		-		-		-		-
Non-owner occupied		-		-		-		-		-
Construction
Speculative		-		-		-		-		-
Non-speculative		-		-		-		-		-
SFR mortgage		-		-		-		-		-
Dairy & livestock and agribusiness		-		-		-		-		-
Municipal lease finance receivables		-		-		-		-		-
Consumer and other loans		1		1		1		1		-

Total		1,566		1,546		435		1,585		-

Total impaired loans	$	20,290	$	27,981	$	435	$	20,495	$	41

	December 31, 2019
	Recorded Investment		Unpaid Principal Balance		Related Allowance
	(Dollars in thousands)
With no related allowance recorded:
Commercial and industrial	$	1,091	$	1,261	$	-
SBA		2,243		2,734		-
Real estate:
Commercial real estate
Owner occupied		479		613		-
Non-owner occupied		642		643		-
Construction
Speculative		-		-		-
Non-speculative		-		-		-
SFR mortgage		2,979		3,310		-
Dairy & livestock and agribusiness		-		-		-
Municipal lease finance receivables		-		-		-
Consumer and other loans		377		514		-

Total		7,811		9,075		-

With a related allowance recorded:
Commercial and industrial		253		347		251
SBA		325		324		257
Real estate:
Commercial real estate
Owner occupied		-		-		-
Non-owner occup ied		-		-		-
Construction
Speculative		-		-		-
Non-speculative		-		-		-
SFR mortgage		-		-		-
Dairy & livestock and agribusiness		-		-		-
Municipal lease finance receivables		-		-		-
Consumer and other loans		-		-		-

Total		578		671		508

Total impaired loans	$	8,389	$	9,746	$	508

Collateral Dependent Loans

The following table presents the recorded investment in collateral-dependent loans by type of loans as of the date presented.


	March 31, 2020						Number of Loans Dependent on Collateral
	Real Estate		Business Assets		Other		Number of Loans Dependent on Collateral
	(Dollars in thousands)
Commercial and industrial	$	112	$	1,652	$	8		12
SBA		1,852		2,524		8		19
Real estate:
Commercial real estate		1,324		-		-		5
Construction		-		-		-		-
SFR mortgage		864		-		-		3
Dairy & livestock and agribusiness		-		-		-		-
Municipal lease finance receivables		-		-		-		-
Consumer and other loans		84		-		22		4

Total collateral-dependent loans	$	4,236	$	4,176	$	38		43

Reserve for Unfunded Loan Commitments

The allowance for

off-balance

sheet credit exposure relates to commitments to extend credit, letters of credit and undisbursed funds on lines of credit. The Company evaluates credit risk associated with the

off-balance

sheet loan commitments at the same time as it evaluates credit risk associated with the loan and lease portfolio. As a result of the adoption of ASU

2016-13,

the reserve for unfunded loan commitments

included a transition adjustment of

$41,000

January 1,

2020. There was no provision or recapture of provision for unfunded commitments for the three months ended March 31, 2020. As of March 31, 2020 and December 31, 2019, the balance in this reserve was $9.0 million and was included in other liabilities.

Troubled Debt Restructurings (“TDRs”)

Loans that are reported as TDRs are considered

nonperforming

and

charge-off

amounts are taken on an individual loan basis, as deemed appropriate. The majority of restructured loans are loans for which the terms of repayment have been renegotiated, resulting in a reduction in interest rate or deferral of principal. Refer to Note 3

–

Summary of Significant Accounting Policies,

included in our Annual Report on Form

10-K

for the year ended December 31, 2019 for a more detailed discussion regarding TDRs.

As of March 31, 2020, there were $2.8 million of loans classified as a TDR, of which $2.8 million were performing and none were nonperforming. TDRs on accrual status are comprised of loans that were accruing interest at the time of restructuring or have demonstrated repayment performance in compliance with the restructured terms for a sustained period and for which the Company anticipates full repayment of both principal and interest. At March 31, 2020, performing TDRs were comprised of seven SFR mortgage loans of $1.8 million, one SBA loan of $524,000, one commercial real estate loan of $377,000, and two commercial and industrial loans of $68,000.

The majority of TDRs have no specific allowance allocated as any impairment amount is normally charged off at the time a probable loss is determined. We have

allocated allowance to TDRs as of March 31, 2020 and December 31, 2019

The following table provides a summary of the activity related to TDRs for the periods presented.


	Three Months Ended March 31,
	2020			2019
	(Dollars in thousands)
Performing TDRs:
Beginning balance	$	3,112		$	3,594
New modifications		-			-
Payoffs/payments, net and other		(299	)		(295	)
TDRs returned to accrual status		-			-
TDRs placed on nonaccrual status		-			-

Ending balance	$	2,813		$	3,299

Nonperforming TDRs:
Beginning balance	$	244		$	3,509
New modifications		-			-
Charge-offs		-			(78	)
Transfer to OREO		-			(2,275	)
Payoffs/payments, net and other		(244	)		(879	)
TDRs returned to accrual status		-			-
TDRs placed on nonaccrual status		-			-

Ending balance	$	-		$	277

Total TDRs	$	2,813		$	3,576

As of March 31, 2020 and 2019, there were no loans that were modified as TDRs dur

ing

the three months ended March 31, 2020 and 2019, respectively.

There were no loans that were previously modified as a TDR within the previous 12 months that subsequently defaulted during the three months ended March 31, 2020 and 2019.

In accordance with regulatory guidance, if borrowers are less than 30 days past due on their loans, upon implementation of the modification program, or as allowed under the CARES Act if borrowers are less than 30 days past due on their loans as of December 31, 2019, and enter into short-term loan modifications offered as a result of

COVID-19,

their loans generally continue to be considered performing loans and continue to accrue interest during the period of the loan modification. For borrowers who are 30 days or more past due when entering into loan modifications offered as a result of

COVID-19,

we evaluate the loan modifications under our existing troubled debt restructuring framework, and where such a loan modification would result in a concession to a borrower experiencing financial difficulty, the loan will be accounted for as a TDR and will generally not accrue interest. For all borrowers who enroll in these loan modification programs offered as a result of

COVID-19,

the delinquency status of the borrowers is frozen, resulting in a static delinquency metric during the deferral period. Upon exiting the deferral program, the measurement of loan delinquency will resume where it had left off upon entry into the program. Through May 3, 2020, we have granted temporary payment deferments of interest or of principal and interest for 90 days on 620 loans in the amount of $940 million, or approximately 13% of our total loan portfolio at March 31, 2020.

Loans and Lease Finance Receivables and Allowance for Loan Losses - Schedule of Recorded Investment in, and Aging of, Past Due and Nonaccrual Loans, Including PCI Loans by Class of Loans (Detail) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	$ 9,807,000
Total Past Due and Accruing		$ 1,653,000
Nonaccrual	6,428,000	5,277,000
Loans Not Past Due	7,456,345,000
Loans Not Past Due and accruing		7,561,389,000
Nonaccrual with No Allowance for Credit Losses	4,636,000
Loans Past Due Over 89 Days Still Accruing	0
Total Gross loans	7,466,152,000	7,568,319,000
30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	4,196,000
Total Past Due and Accruing		878,000
Nonaccrual	154,000	59,000
60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,626,000
Total Past Due and Accruing		775,000
Nonaccrual	1,300,000	1,100,000
Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	3,985,000
Nonaccrual	4,000,000.0	2,900,000
Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	2,196,000
Total Past Due and Accruing		2,000
Nonaccrual	1,703,000	1,266,000
Loans Not Past Due	958,565,000
Loans Not Past Due and accruing		933,859,000
Nonaccrual with No Allowance for Credit Losses	549,000
Loans Past Due Over 89 Days Still Accruing	0
Total Gross loans	960,761,000	935,127,000
Commercial and Industrial [Member] \| 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	347,000
Total Past Due and Accruing		2,000
Commercial and Industrial [Member] \| 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	362,000
Total Past Due and Accruing		0
Commercial and Industrial [Member] \| Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,487,000
Small Business Administration [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	5,709,000
Total Past Due and Accruing		1,402,000
Nonaccrual	2,748,000	2,032,000
Loans Not Past Due	307,362,000
Loans Not Past Due and accruing		301,574,000
Nonaccrual with No Allowance for Credit Losses	2,110,000
Loans Past Due Over 89 Days Still Accruing	0
Total Gross loans	313,071,000	305,008,000
Small Business Administration [Member] \| 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	3,086,000
Total Past Due and Accruing		870,000
Small Business Administration [Member] \| 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	954,000
Total Past Due and Accruing		532,000
Small Business Administration [Member] \| Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,669,000
Commercial Real Estate Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	714,000
Total Past Due and Accruing		0
Nonaccrual	715,000	479,000
Loans Not Past Due	2,069,646,000
Loans Not Past Due and accruing		2,083,171,000
Nonaccrual with No Allowance for Credit Losses	715,000
Loans Past Due Over 89 Days Still Accruing	0
Total Gross loans	2,070,360,000	2,083,650,000
Commercial Real Estate Owner Occupied [Member] \| 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	154,000
Total Past Due and Accruing		0
Commercial Real Estate Owner Occupied [Member] \| 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	310,000
Total Past Due and Accruing		0
Commercial Real Estate Owner Occupied [Member] \| Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	250,000
Commercial Real Estate Non-owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	210,000
Total Past Due and Accruing		0
Nonaccrual	232,000	245,000
Loans Not Past Due	3,277,355,000
Loans Not Past Due and accruing		3,290,722,000
Nonaccrual with No Allowance for Credit Losses	232,000
Loans Past Due Over 89 Days Still Accruing	0
Total Gross loans	3,277,565,000	3,290,967,000
Commercial Real Estate Non-owner Occupied [Member] \| 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	210,000
Total Past Due and Accruing		0
Commercial Real Estate Non-owner Occupied [Member] \| 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Total Past Due and Accruing		0
Commercial Real Estate Non-owner Occupied [Member] \| Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Construction Speculative [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Total Past Due and Accruing		0
Nonaccrual	0	0
Loans Not Past Due	116,143,000
Loans Not Past Due and accruing		106,895,000
Nonaccrual with No Allowance for Credit Losses	0
Loans Past Due Over 89 Days Still Accruing	0
Total Gross loans	116,143,000	106,895,000
Construction Speculative [Member] \| 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Total Past Due and Accruing		0
Construction Speculative [Member] \| 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Total Past Due and Accruing		0
Construction Speculative [Member] \| Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Construction Non-speculative [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Total Past Due and Accruing		0
Nonaccrual	0	0
Loans Not Past Due	11,902,000
Loans Not Past Due and accruing		10,030,000
Nonaccrual with No Allowance for Credit Losses	0
Loans Past Due Over 89 Days Still Accruing	0
Total Gross loans	11,902,000	10,030,000
Construction Non-speculative [Member] \| 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Total Past Due and Accruing		0
Construction Non-speculative [Member] \| 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Total Past Due and Accruing		0
Construction Non-speculative [Member] \| Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
SFR Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	719,000
Total Past Due and Accruing		249,000
Nonaccrual	864,000	878,000
Loans Not Past Due	278,024,000
Loans Not Past Due and accruing		282,341,000
Nonaccrual with No Allowance for Credit Losses	864,000
Loans Past Due Over 89 Days Still Accruing	0
Total Gross loans	278,743,000	283,468,000
SFR Mortgage [Member] \| 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	233,000
Total Past Due and Accruing		6,000
SFR Mortgage [Member] \| 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Total Past Due and Accruing		243,000
SFR Mortgage [Member] \| Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	486,000
Dairy & Livestock and Agribusiness [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	166,000
Total Past Due and Accruing		0
Nonaccrual	0	0
Loans Not Past Due	271,948,000
Loans Not Past Due and accruing		383,709,000
Nonaccrual with No Allowance for Credit Losses	0
Loans Past Due Over 89 Days Still Accruing	0
Total Gross loans	272,114,000	383,709,000
Dairy & Livestock and Agribusiness [Member] \| 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	166,000
Total Past Due and Accruing		0
Dairy & Livestock and Agribusiness [Member] \| 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Total Past Due and Accruing		0
Dairy & Livestock and Agribusiness [Member] \| Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Municipal Lease Finance Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Total Past Due and Accruing		0
Nonaccrual	0	0
Loans Not Past Due	51,287,000
Loans Not Past Due and accruing		53,146,000
Nonaccrual with No Allowance for Credit Losses	0
Loans Past Due Over 89 Days Still Accruing	0
Total Gross loans	51,287,000	53,146,000
Municipal Lease Finance Receivables [Member] \| 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Total Past Due and Accruing		0
Municipal Lease Finance Receivables [Member] \| 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Total Past Due and Accruing		0
Municipal Lease Finance Receivables [Member] \| Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Consumer and Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	93,000
Total Past Due and Accruing		0
Nonaccrual	166,000	377,000
Loans Not Past Due	114,113,000
Loans Not Past Due and accruing		115,942,000
Nonaccrual with No Allowance for Credit Losses	166,000
Loans Past Due Over 89 Days Still Accruing	0
Total Gross loans	114,206,000	116,319,000
Consumer and Other Loans [Member] \| 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Total Past Due and Accruing		0
Consumer and Other Loans [Member] \| 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Total Past Due and Accruing		$ 0
Consumer and Other Loans [Member] \| Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	$ 93,000

Fair Value Information - Assets and Liabilities Measured at Fair Value on Non-Recurring Basis (Detail) - Fair Value on Non-Recurring Basis [Member] - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Description of assets
Total assets	$ 938	$ 828
Loans, Excluding PCI Loans [Member] \| Asset Held-for-Sale [Member]
Description of assets
Total assets	0	0
Loans, Excluding PCI Loans [Member] \| Commercial and Industrial [Member]
Description of assets
Total assets	9,024	251
Loans, Excluding PCI Loans [Member] \| Small Business Administration [Member]
Description of assets
Total assets	36	513
Loans, Excluding PCI Loans [Member] \| Commercial Real Estate [Member]
Description of assets
Total assets	0	0
Loans, Excluding PCI Loans [Member] \| Construction [Member]
Description of assets
Total assets	0	0
Loans, Excluding PCI Loans [Member] \| SFR Mortgage [Member]
Description of assets
Total assets	0	0
Loans, Excluding PCI Loans [Member] \| Dairy & Livestock and Agribusiness [Member]
Description of assets
Total assets	0	0
Loans, Excluding PCI Loans [Member] \| Consumer and Other Loans [Member]
Description of assets
Total assets	0	0
Loans, Excluding PCI Loans [Member] \| Other Real Estate Owned [Member]
Description of assets
Total assets	0	64
Level 1 [Member]
Description of assets
Total assets	0	0
Level 1 [Member] \| Loans, Excluding PCI Loans [Member] \| Asset Held-for-Sale [Member]
Description of assets
Total assets	0	0
Level 1 [Member] \| Loans, Excluding PCI Loans [Member] \| Commercial and Industrial [Member]
Description of assets
Total assets	0	0
Level 1 [Member] \| Loans, Excluding PCI Loans [Member] \| Small Business Administration [Member]
Description of assets
Total assets	0	0
Level 1 [Member] \| Loans, Excluding PCI Loans [Member] \| Commercial Real Estate [Member]
Description of assets
Total assets	0	0
Level 1 [Member] \| Loans, Excluding PCI Loans [Member] \| Construction [Member]
Description of assets
Total assets	0	0
Level 1 [Member] \| Loans, Excluding PCI Loans [Member] \| SFR Mortgage [Member]
Description of assets
Total assets	0	0
Level 1 [Member] \| Loans, Excluding PCI Loans [Member] \| Dairy & Livestock and Agribusiness [Member]
Description of assets
Total assets	0	0
Level 1 [Member] \| Loans, Excluding PCI Loans [Member] \| Consumer and Other Loans [Member]
Description of assets
Total assets	0	0
Level 1 [Member] \| Loans, Excluding PCI Loans [Member] \| Other Real Estate Owned [Member]
Description of assets
Total assets	0	0
Level 2 [Member]
Description of assets
Total assets	0	0
Level 2 [Member] \| Loans, Excluding PCI Loans [Member] \| Asset Held-for-Sale [Member]
Description of assets
Total assets	0	0
Level 2 [Member] \| Loans, Excluding PCI Loans [Member] \| Commercial and Industrial [Member]
Description of assets
Total assets	0	0
Level 2 [Member] \| Loans, Excluding PCI Loans [Member] \| Small Business Administration [Member]
Description of assets
Total assets	0	0
Level 2 [Member] \| Loans, Excluding PCI Loans [Member] \| Commercial Real Estate [Member]
Description of assets
Total assets	0	0
Level 2 [Member] \| Loans, Excluding PCI Loans [Member] \| Construction [Member]
Description of assets
Total assets	0	0
Level 2 [Member] \| Loans, Excluding PCI Loans [Member] \| SFR Mortgage [Member]
Description of assets
Total assets	0	0
Level 2 [Member] \| Loans, Excluding PCI Loans [Member] \| Dairy & Livestock and Agribusiness [Member]
Description of assets
Total assets	0	0
Level 2 [Member] \| Loans, Excluding PCI Loans [Member] \| Consumer and Other Loans [Member]
Description of assets
Total assets	0	0
Level 2 [Member] \| Loans, Excluding PCI Loans [Member] \| Other Real Estate Owned [Member]
Description of assets
Total assets	0	0
Level 3 [Member]
Description of assets
Total assets	1,903	1,056
Level 3 [Member] \| Loans, Excluding PCI Loans [Member] \| Asset Held-for-Sale [Member]
Description of assets
Total assets	0	0
Level 3 [Member] \| Loans, Excluding PCI Loans [Member] \| Commercial and Industrial [Member]
Description of assets
Total assets	903	253
Level 3 [Member] \| Loans, Excluding PCI Loans [Member] \| Small Business Administration [Member]
Description of assets
Total assets	1,000	359
Level 3 [Member] \| Loans, Excluding PCI Loans [Member] \| Commercial Real Estate [Member]
Description of assets
Total assets	0	0
Level 3 [Member] \| Loans, Excluding PCI Loans [Member] \| Construction [Member]
Description of assets
Total assets	0	0
Level 3 [Member] \| Loans, Excluding PCI Loans [Member] \| SFR Mortgage [Member]
Description of assets
Total assets	0	0
Level 3 [Member] \| Loans, Excluding PCI Loans [Member] \| Dairy & Livestock and Agribusiness [Member]
Description of assets
Total assets	0	0
Level 3 [Member] \| Loans, Excluding PCI Loans [Member] \| Consumer and Other Loans [Member]
Description of assets
Total assets	0	0
Level 3 [Member] \| Loans, Excluding PCI Loans [Member] \| Other Real Estate Owned [Member]
Description of assets
Total assets	0	444
Carrying Value [Member]
Description of assets
Total assets	1,903	1,056
Carrying Value [Member] \| Loans, Excluding PCI Loans [Member] \| Asset Held-for-Sale [Member]
Description of assets
Total assets	0	0
Carrying Value [Member] \| Loans, Excluding PCI Loans [Member] \| Commercial and Industrial [Member]
Description of assets
Total assets	903	253
Carrying Value [Member] \| Loans, Excluding PCI Loans [Member] \| Small Business Administration [Member]
Description of assets
Total assets	1,000	359
Carrying Value [Member] \| Loans, Excluding PCI Loans [Member] \| Commercial Real Estate [Member]
Description of assets
Total assets	0	0
Carrying Value [Member] \| Loans, Excluding PCI Loans [Member] \| Construction [Member]
Description of assets
Total assets	0	0
Carrying Value [Member] \| Loans, Excluding PCI Loans [Member] \| SFR Mortgage [Member]
Description of assets
Total assets	0	0
Carrying Value [Member] \| Loans, Excluding PCI Loans [Member] \| Dairy & Livestock and Agribusiness [Member]
Description of assets
Total assets	0	0
Carrying Value [Member] \| Loans, Excluding PCI Loans [Member] \| Consumer and Other Loans [Member]
Description of assets
Total assets	0	0
Carrying Value [Member] \| Loans, Excluding PCI Loans [Member] \| Other Real Estate Owned [Member]
Description of assets
Total assets	$ 0	$ 444

Loans and Lease Finance Receivables and Allowance for Loan Losses - Summary of Loan, Including PCI Loans by Internal Risk Ratings (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate, Non-owner occupied		$ 3,290,967
Total Gross loans	$ 7,466,152	7,568,319
Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	960,761	935,127
Total Gross loans	960,761
SBA [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	313,071	305,008
Total Gross loans	313,071
Commercial real estate, owner occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		2,083,650
Total Gross loans	2,070,360	2,083,650
Construction, Speculative [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		106,895
Construction, Non-speculative [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		10,030
SFR mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	278,743	283,468
Total Gross loans	278,743
Dairy & Livestock and Agribusiness [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	272,114	383,709
Total Gross loans	272,114
Municipal Lease Finance Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	51,287	53,146
Total Gross loans	51,287	53,146
Consumer Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	114,206	116,319
Total Gross loans	114,206
Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate, Non-owner occupied		3,280,580
Total Gross loans	7,218,241	7,321,402
Pass [Member] \| Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		895,234
Total Gross loans	916,287
Pass [Member] \| SBA [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		283,430
Total Gross loans	292,030
Pass [Member] \| Commercial real estate, owner occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		1,977,007
Pass [Member] \| Construction, Speculative [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		106,895
Pass [Member] \| Construction, Non-speculative [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		10,030
Pass [Member] \| SFR mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		280,010
Total Gross loans	274,951
Pass [Member] \| Dairy & Livestock and Agribusiness [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		320,670
Total Gross loans	223,207
Pass [Member] \| Municipal Lease Finance Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		52,676
Total Gross loans	50,840
Pass [Member] \| Consumer Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		114,870
Total Gross loans	112,617
Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate, Non-owner occupied		10,005
Total Gross loans	164,334	173,486
Special Mention [Member] \| Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		35,473
Total Gross loans	29,525
Special Mention [Member] \| SBA [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		11,032
Total Gross loans	10,263
Special Mention [Member] \| Commercial real estate, owner occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		78,208
Special Mention [Member] \| Construction, Speculative [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		0
Special Mention [Member] \| Construction, Non-speculative [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		0
Special Mention [Member] \| SFR mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		1,957
Total Gross loans	1,942
Special Mention [Member] \| Dairy & Livestock and Agribusiness [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		35,920
Total Gross loans	26,724
Special Mention [Member] \| Municipal Lease Finance Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		470
Total Gross loans	447
Special Mention [Member] \| Consumer Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		421
Total Gross loans	837
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate, Non-owner occupied		382
Total Gross loans	83,577	73,431
Substandard [Member] \| Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		4,420
Total Gross loans	14,949
Substandard [Member] \| SBA [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		10,546
Total Gross loans	10,778
Substandard [Member] \| Commercial real estate, owner occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		28,435
Substandard [Member] \| Construction, Speculative [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		0
Substandard [Member] \| Construction, Non-speculative [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		0
Substandard [Member] \| SFR mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		1,501
Total Gross loans	1,850
Substandard [Member] \| Dairy & Livestock and Agribusiness [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		27,119
Total Gross loans	22,183
Substandard [Member] \| Municipal Lease Finance Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		0
Total Gross loans	0
Substandard [Member] \| Consumer Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		1,028
Total Gross loans	752
Doubtful & Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial real estate, Non-owner occupied		0
Total Gross loans	0	0
Doubtful & Loss [Member] \| Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		0
Total Gross loans	0
Doubtful & Loss [Member] \| SBA [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		0
Total Gross loans	0
Doubtful & Loss [Member] \| Commercial real estate, owner occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		0
Doubtful & Loss [Member] \| Construction, Speculative [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		0
Doubtful & Loss [Member] \| Construction, Non-speculative [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		0
Doubtful & Loss [Member] \| SFR mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		0
Total Gross loans	0
Doubtful & Loss [Member] \| Dairy & Livestock and Agribusiness [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		0
Total Gross loans	0
Doubtful & Loss [Member] \| Municipal Lease Finance Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		0
Total Gross loans	0
Doubtful & Loss [Member] \| Consumer Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross		$ 0
Total Gross loans	$ 0