10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D. C. 20549

FORM 10-Q

(Mark One)

 QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2023

or

 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from _____ to _____

Commission File Number: 000-10140

CVB FINANCIAL CORP.

(Exact name of registrant as specified in its charter)

California		95-3629339
(State or other jurisdiction of Incorporation or organization)		(I.R.S. Employer Identification No.)
701 North Haven Ave., Suite 350
Ontario, California		91764
(Address of principal executive offices)		(Zip Code)
	(909) 980-4030
	(Registrant's telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, No Par Value	CVBF	The Nasdaq Stock Market, LLC

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes  No 

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes  No 

Indicate by check mark whether the registrant is a large accelerated filer, accelerated filer, non-accelerated filer or smaller reporting company, or emerging growth company. See definition of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer		Accelerated filer	
Non-accelerated filer		Smaller reporting company	
Emerging growth company	

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act 

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes  No 

Number of shares of common stock of the registrant: 139,337,894 outstanding as of October 30, 2023.

TABLE OF CONTENTS

PART I –	FINANCIAL INFORMATION (UNAUDITED)	3
ITEM 1.	CONDENSED CONSOLIDATED FINANCIAL STATEMENTS	4
	NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS	9
ITEM 2.	MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	38
	CRITICAL ACCOUNTING POLICIES	38
	OVERVIEW	39
	ANALYSIS OF THE RESULTS OF OPERATIONS	41
	ANALYSIS OF FINANCIAL CONDITION	52
	ASSET/LIABILITY AND MARKET RISK MANAGEMENT	68
ITEM 3.	QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	71
ITEM 4.	CONTROLS AND PROCEDURES	71
PART II –	OTHER INFORMATION	72
ITEM 1.	LEGAL PROCEEDINGS	72
ITEM 1A.	RISK FACTORS	72
ITEM 2.	UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS	74
ITEM 3.	DEFAULTS UPON SENIOR SECURITIES	74
ITEM 4.	MINE SAFETY DISCLOSURES	74
ITEM 5.	OTHER INFORMATION	74
ITEM 6.	EXHIBITS	75
SIGNATURES		76

2

PART I – FINANCIAL INFORMATION (UNAUDITED)

GENERAL

Cautionary Note Regarding Forward-Looking Statements

Certain statements set forth herein constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Words such as “will likely result”, “aims”, “anticipates”, “believes”, “could”, “estimates”, “expects”, “hopes”, “intends”, “may”, “plans”, “projects”, “seeks”, “should”, “will,” “strategy”, “possibility”, and variations of these words and similar expressions help to identify these forward-looking statements, which involve risks and uncertainties that could cause actual results or performance to differ materially from those projected. These forward-looking statements are based on management’s current expectations and beliefs concerning future developments and their potential effects on the Company, including, without limitation, plans, strategies, goals and statements about the Company’s outlook regarding revenue and asset growth, financial performance and profitability, capital and liquidity levels, loan and deposit growth and retention, yields and returns, loan diversification and credit management, stockholder value creation, tax rates, the impact of economic developments, and the impact of acquisitions we have made or may make. Such statements involve inherent risks and uncertainties, many of which are difficult to predict and are generally beyond the control of the Company, and there can be no assurance that future developments affecting the Company will be the same as those anticipated by management. The Company cautions readers that a number of important factors in addition to those set forth below could cause actual results to differ materially from those expressed in, or implied or projected by, such forward-looking statements.

General risks and uncertainties include, but are not limited to, the following: the strength of the United States economy in general and the strength of the local economies in which we conduct business; the effects of, and changes in, trade, monetary, and fiscal policies and laws, including interest rate policies of the Board of Governors of the Federal Reserve System; inflation/deflation, interest rate, market, and monetary fluctuations; the effect of acquisitions we have made or may make, including, without limitation, the failure to obtain the necessary regulatory approvals, the failure to achieve the expected revenue growth and/or expense savings from such acquisitions, and/or the failure to effectively integrate an acquisition target, customers and key personnel into our operations; the timely development of competitive new products and services and the acceptance of these products and services by new and existing customers; the impact of changes in financial services policies, laws, and regulations, including those concerning taxes, banking, securities, and insurance, and the application thereof by regulatory bodies; the effectiveness of our risk management framework and quantitative models; changes in the levels of our nonperforming assets and charge-offs; the effect of changes in accounting policies and practices or accounting standards, as may be adopted from time-to-time by bank regulatory agencies, the U.S. Securities and Exchange Commission (“SEC”), the Public Company Accounting Oversight Board, the Financial Accounting Standards Board or other accounting standards setters; possible credit related impairments or declines in the fair value of loans and securities held by us; possible impairment charges to goodwill, including any impairment that may result from increased volatility in our stock price; changes in consumer spending, borrowing, and savings habits; the effects of our lack of a diversified loan portfolio, including the risks of geographic and industry concentrations; periodic fluctuations in commercial or residential real estate prices or values; our ability to attract and retain deposits or to access government or private lending facilities and other sources of liquidity; the possibility that we may reduce or discontinue the payments of dividends on our common stock; changes in the financial performance and/or condition of our borrowers; changes in the competitive environment among financial and bank holding companies and other financial service providers; technological changes in banking and financial services; geopolitical conditions, including acts or threats of terrorism, actions taken by the United States or other governments in response to acts or threats of terrorism, and/or military conflicts, which could impact business and economic conditions in the United States and abroad; catastrophic events or natural disasters, including earthquakes, drought, climate change or extreme weather events that may affect our assets, communications or computer services, customers, employees or third party vendors; public health crises and pandemics, and their effects on the economic and business environments in which we operate, including on our credit quality, business operations and employees, as well as the impact on general economic and financial market conditions; cybersecurity and fraud threats and the cost of defending against them, including the costs of compliance with potential legislation to combat cybersecurity and fraud threats at a state, national, or global level; our ability to recruit and retain key executives, board members and other employees, and changes in employment laws and regulations; unanticipated regulatory or legal proceedings or outcomes; and our ability to manage the risks involved in the foregoing.

Additional factors that could cause actual results to differ materially from those expressed in the forward-looking statements are discussed in the Company's 2022 Annual Report on Form 10-K filed with the SEC and available at the SEC’s Internet site (http://www.sec.gov).

The Company does not undertake, and specifically disclaims any obligation, to update any forward-looking statements to reflect occurrences or unanticipated events or circumstances after the date of such statements, except as required by law. Any statements about future operating results, such as those concerning accretion and dilution to the Company’s earnings or shareholders, are for illustrative purposes only, are not forecasts, and actual results may differ.

3

ITEM 1. CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

CVB FINANCIAL CORP. AND SUBSIDIARIES

CONDENSED CONSOLIDATED BALANCE SHEETS

(Dollars in thousands, except share amounts)

(Unaudited)

	September 30,			December 31,
	2023			2022
Assets
Cash and due from banks	$	176,488		$	158,236
Interest-earning balances due from Federal Reserve		64,207			45,225
Total cash and cash equivalents		240,695			203,461
Interest-earning balances due from depository institutions		4,108			9,553
Investment securities available-for-sale, at fair value (with amortized cost of    $3,526,455 at September 30, 2023, and $3,755,297 at December 31, 2022)		2,873,163			3,255,211
Investment securities held-to-maturity (with fair value of $1,969,318 at    September 30, 2023, and $2,155,587 at December 31, 2022)		2,489,441			2,554,301
Total investment securities		5,362,604			5,809,512
Investment in stock of Federal Home Loan Bank (FHLB)		18,012			27,627
Loans and lease finance receivables		8,877,632			9,079,392
Allowance for credit losses		(88,995	)		(85,117	)
Net loans and lease finance receivables		8,788,637			8,994,275
Premises and equipment, net		44,561			46,698
Bank owned life insurance (BOLI)		259,468			255,528
Accrued interest receivable		45,341			46,692
Intangibles		16,736			21,742
Goodwill		765,822			765,822
Income taxes		214,506			186,684
Other assets		142,525			108,946
Total assets	$	15,903,015		$	16,476,540
Liabilities and Stockholders' Equity
Liabilities:
Deposits:
Noninterest-bearing	$	7,586,649		$	8,164,364
Interest-bearing		4,772,137			4,671,881
Total deposits		12,358,786			12,836,245
Customer repurchase agreements		269,552			565,431
Other borrowings		1,120,000			995,000
Deferred compensation		22,130			22,092
Other liabilities		181,146			109,255
Total liabilities		13,951,614			14,528,023
Commitments and Contingencies
Stockholders' Equity
Common stock, authorized, 225,000,000 shares without par; issued and  outstanding 139,337,699 at September 30, 2023, and 139,818,703 at December 31, 2022		1,286,460			1,300,466
Retained earnings		1,092,079			1,002,847
Accumulated other comprehensive loss, net of tax		(427,138	)		(354,796	)
Total stockholders' equity		1,951,401			1,948,517
Total liabilities and stockholders' equity	$	15,903,015		$	16,476,540

See accompanying notes to the unaudited condensed consolidated financial statements.

4

CVB FINANCIAL CORP. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS AND COMPREHENSIVE INCOME

(Dollars in thousands, except per share amounts)

(Unaudited)

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2023			2022			2023			2022
Interest income:
Loans and leases, including fees	$	113,190		$	100,077		$	332,574		$	282,308
Investment securities:
Investment securities available-for-sale		22,441			18,543			61,393			48,417
Investment securities held-to-maturity		13,576			12,834			41,272			35,211
Total investment income		36,017			31,377			102,665			83,628
Dividends from FHLB stock		598			258			1,430			902
Interest-earning deposits with other institutions		6,422			3,476			11,583			5,712
Total interest income		156,227			135,188			448,252			372,550
Interest expense:
Deposits		16,517			1,728			32,647			4,056
Borrowings and customer repurchase agreements		16,339			122			46,971			376
Total interest expense		32,856			1,850			79,618			4,432
Net interest income before provision for credit losses		123,371			133,338			368,634			368,118
Provision for credit losses		2,000			2,000			4,000			8,100
Net interest income after provision for credit losses		121,371			131,338			364,634			360,018
Noninterest income:
Service charges on deposit accounts		5,062			5,233			15,244			15,625
Trust and investment services		3,246			2,867			9,475			8,651
Bankcard services		354			376			1,221			1,102
BOLI income		1,548			1,987			4,834			3,939
Gain on sale of building, net		—			—			—			2,717
Other		4,099			1,127			9,393			5,490
Total noninterest income		14,309			11,590			40,167			37,524
Noninterest expense:
Salaries and employee benefits		34,744			33,233			103,539			97,442
Occupancy and equipment		5,618			5,779			16,585			16,917
Professional services		2,117			2,438			6,375			6,788
Computer software expense		3,648			3,243			10,372			10,141
Marketing and promotion		1,628			1,488			4,664			4,584
(Recapture of) provision for unfunded loan commitments		(900	)		—			—			—
Amortization of intangible assets		1,567			1,846			5,006			5,842
Acquisition related expenses		—			—			—			6,013
Other		6,636			5,000			17,415			14,409
Total noninterest expense		55,058			53,027			163,956			162,136
Earnings before income taxes		80,622			89,901			240,845			235,406
Income taxes		22,735			25,262			67,918			66,149
Net earnings	$	57,887		$	64,639		$	172,927		$	169,257
Other comprehensive income (loss):
Unrealized (loss) on securities arising during the period, before tax	$	(133,864	)	$	(194,016	)	$	(127,626	)	$	(538,825	)
Less: Income tax benefit related to items of other    comprehensive income		41,894			57,358			37,730			159,296
Unrealized gain on derivatives designated as hedging instruments arising during the period		9,708			—			17,554			—
Other comprehensive (loss), net of tax		(82,262	)		(136,658	)		(72,342	)		(379,529	)
Comprehensive income (loss)	$	(24,375	)	$	(72,019	)	$	100,585		$	(210,272	)
Basic earnings per common share	$	0.42		$	0.46		$	1.24		$	1.20
Diluted earnings per common share	$	0.42		$	0.46		$	1.24		$	1.20

See accompanying notes to the unaudited condensed consolidated financial statements.

5

CVB FINANCIAL CORP. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(Dollars and shares in thousands)

(Unaudited)

Three Months Ended September 30, 2023 and 2022

	Common Shares Outstanding			Common Stock			Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Total
Balance, July 1, 2023		139,343		$	1,284,150		$	1,062,093		$	(344,876	)	$	2,001,367
Repurchase of common stock		(8	)		(135	)		—			—			(135	)
Exercise of stock options		3			52			—			—			52
Shares issued pursuant to stock-based    compensation plan		—			2,393			—			—			2,393
Cash dividends declared on common stock    ($0.20 per share)		—			—			(27,901	)		—			(27,901	)
Net earnings		—			—			57,887			—			57,887
Other comprehensive loss		—			—			—			(82,262	)		(82,262	)
Balance, September 30, 2023		139,338		$	1,286,460		$	1,092,079		$	(427,138	)	$	1,951,401
Balance, July 1, 2022		140,026		$	1,301,050		$	928,000		$	(246,839	)	$	1,982,211
Repurchase of common stock		(239	)		(5,742	)		—			—			(5,742	)
Repurchase of common stock, ASR Plan		—			—			—			—			—
Exercise of stock options		18			340			—			—			340
Shares issued pursuant to stock-based    compensation plan		—			2,061			—			—			2,061
Cash dividends declared on common stock    ($0.20 per share)		—			—			(27,965	)		—			(27,965	)
Net earnings		—			—			64,639			—			64,639
Other comprehensive loss		—			—			—			(136,658	)		(136,658	)
Balance, September 30, 2022		139,805		$	1,297,709		$	964,674		$	(383,497	)	$	1,878,886

Nine Months Ended September 30, 2023 and 2022

	Common Shares Outstanding			Common Stock			Retained Earnings			Accumulated Other Comprehensive Income (Loss)			Total
Balance, January 1, 2023		139,819		$	1,300,466		$	1,002,847		$	(354,796	)	$	1,948,517
Repurchase of common stock		(927	)		(21,186	)		—			—			(21,186	)
Exercise of stock options		7			125			—			—			125
Shares issued pursuant to stock-based    compensation plan		439			7,055			—			—			7,055
Cash dividends declared on common stock    ($0.60 per share)		—			—			(83,695	)		—			(83,695	)
Net earnings		—			—			172,927			—			172,927
Other comprehensive loss		—			—			—			(72,342	)		(72,342	)
Balance, September 30, 2023		139,338		$	1,286,460		$	1,092,079		$	(427,138	)	$	1,951,401
Balance, January 1, 2022		135,526		$	1,209,903		$	875,568		$	(3,968	)	$	2,081,503
Issuance of common stock for acquisition of Suncrest Bank		8,617			197,069			—			—			197,069
Repurchase of common stock		(1,971	)		(46,206	)		—			—			(46,206	)
Repurchase of common stock, ASR Plan		(2,994	)		(70,000	)		—			—			(70,000	)
Exercise of stock options		82			1,305			—			—			1,305
Shares issued pursuant to stock-based    compensation plan		545			5,638			—			—			5,638
Cash dividends declared on common stock    ($0.57 per share)		—			—			(80,151	)		—			(80,151	)
Net earnings		—			—			169,257			—			169,257
Other comprehensive loss		—			—			—			(379,529	)		(379,529	)
Balance, September 30, 2022		139,805		$	1,297,709		$	964,674		$	(383,497	)	$	1,878,886

See accompanying notes to the unaudited condensed consolidated financial statements.

6

CVB FINANCIAL CORP. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Dollars in thousands)

(Unaudited)

	Nine Months Ended
	September 30,
	2023			2022
Cash Flows from Operating Activities
Interest and dividends received	$	458,084		$	374,575
Service charges and other fees received		35,761			32,968
Interest paid		(65,233	)		(4,131	)
Net cash paid to vendors, employees and others		(181,661	)		(147,314	)
Income taxes		—			(53,252	)
Net cash provided by operating activities		246,951			202,846
Cash Flows from Investing Activities
Proceeds of FHLB stock, net		9,615			4,712
Net change in interest-earning balances from depository institutions		5,445			28,405
Proceeds from repayment of investment securities available-for-sale		282,663			403,184
Proceeds from maturity of investment securities available-for-sale		4			1,226
Purchases of investment securities available-for-sale		(33,737	)		(1,142,441	)
Proceeds from repayment and maturity of investment securities held-to-maturity		75,913			119,487
Purchases of investment securities held-to-maturity		(2,026	)		(622,499	)
Net (increase) decrease in equity investments		(60	)		1,740
Net decrease (increase) in loan and lease finance receivables		206,059			(97,801	)
Proceeds from sale of building, net of selling costs		—			8,315
Purchase of premises and equipment		(2,880	)		(4,057	)
Proceeds from BOLI death benefit		2,505			8,691
Cash acquired from acquisition, net of cash paid		—			329,001
Net cash provided by (used in) investing activities		543,501			(962,037	)
Cash Flows from Financing Activities
Net decrease in other deposits		(488,560	)		(253,021	)
Net increase (decrease) in time deposits		11,101			(33,593	)
Net increase (decrease) in other borrowings		125,000			(2,281	)
Net decrease in customer repurchase agreements		(295,879	)		(174,544	)
Cash dividends on common stock		(83,819	)		(76,478	)
Repurchase of common stock		(21,186	)		(46,206	)
Repurchase of common stock, ASR Plan		—			(70,000	)
Proceeds from exercise of stock options		125			1,305
Net cash used in financing activities		(753,218	)		(654,818	)
Net increase (decrease) in cash and cash equivalents		37,234			(1,414,009	)
Cash and cash equivalents, beginning of period		203,461			1,732,548
Cash and cash equivalents, end of period	$	240,695		$	318,539

See accompanying notes to the unaudited condensed consolidated financial statements.

7

CVB FINANCIAL CORP. AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Continued)

(Dollars in thousands)

(Unaudited)

	Nine Months Ended
	September 30,
	2023			2022
Reconciliation of Net Earnings to Net Cash Provided by Operating Activities
Net earnings	$	172,927		$	169,257
Adjustments to reconcile net earnings to net cash provided by operating activities:
Gain on sale of building, net		—			(2,717	)
Increase in BOLI		(4,834	)		(3,939	)
Net amortization of premiums and discounts on investment securities		13,807			21,794
Accretion of discount for acquired loans, net		(2,892	)		(6,115	)
Provision for credit losses		4,000			8,100
Stock-based compensation		7,055			5,638
Depreciation and amortization, net		13,985			9,426
Change in other assets and liabilities		42,903			1,402
Total adjustments		74,024			33,589
Net cash provided by operating activities	$	246,951		$	202,846
Supplemental Disclosure of Non-cash Investing Activities
Securities purchased and not settled	$	—		$	8,697
Issuance of common stock for acquisition	$	—		$	197,069

See accompanying notes to the unaudited condensed consolidated financial statements.

8

CVB FINANCIAL CORP. AND SUBSIDIARIES

NOTES TO THE CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

1. 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’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 throughout California. As of September 30, 2023, the Bank operated 62 banking centers and three trust office locations. The Company is headquartered in the city of Ontario, California.

On January 7, 2022, we completed the acquisition of Suncrest Bank ("Suncrest") with approximately $1.4 billion in total assets, acquired at fair value, and seven banking centers. Assets acquired included $765.9 million of acquired net loans at fair value, $131.1 million of investment securities, and $9 million in Bank-Owned Life Insurance ("BOLI"). The acquisition resulted in $102.1 million of goodwill and $3.9 million in core deposit premium. Net cash proceeds were used to fund the $39.6 million in cash paid to the former shareholders of Suncrest as part of the merger consideration. Refer to Note 4 – Business Combinations of the notes to the unaudited condensed consolidated financial statements of this report for additional information.

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 and nine months ended September 30, 2023 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, 2022, 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.

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, 2022 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.

9

Adoption of New Accounting Standards

On January 1, 2023, the Company adopted Accounting Standard Update ("ASU") 2022-02 Financial Instruments-Credit Losses (Topic 326): Troubled Debt Restructurings ("TDR") and Vintage Disclosures. This ASU eliminates recognition and measurement guidance for TDRs by creditors in Subtopic 310-40, Receivables-Troubled Debt Restructurings by Creditors, while enhancing disclosure requirements for certain loan refinancings and restructurings by creditors when a borrower is experiencing financial difficulty, and to require that an entity disclose current-period gross write-offs by year of origination (i.e. the vintage year) for financing receivables and net investments in leases within the scope of Subtopic 326-20, Financial Instruments-Credit Losses-Measured at Amortized Cost. For entities that have adopted ASU 2016-13, this ASU is effective for interim and reporting periods beginning after December 15, 2022. The Company adopted this ASU on a prospective basis. Results for reporting periods beginning after January 1, 2023 are presented under ASU 2022-02 while prior period amounts continue to be reported in accordance with previously applicable GAAP. The adoption of this ASU did not have a material impact on our consolidated financial statements.

In March 2023, the FASB issued ASU 2023-02 Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method, which expands the population of investments for which an investor may elect to apply the proportional amortization method. Under this ASU, an investor in a tax equity investment may elect the proportional amortization method for qualifying investments on a tax credit program-by-program basis. To qualify for the proportional amortization method, an investment must meet the criteria previously applicable to Low Income Housing Tax Credit ("LIHTC") investments, as clarified by the ASU. This ASU is effective in the first quarter of 2024. Early adoption is permitted as of an interim period with retrospective application to the beginning of the fiscal year.

The Bank invests in various tax credit partnerships pursuant to Sections 42 and 48 of the Internal Revenue Code of 1986 (the “Code”). The Bank acts as a limited partner in these investments and does not exercise control over the operating or financial policies of the partnerships and as such, is not considered the primary beneficiary of the partnership. Upon entering into new solar tax equity investments in the second quarter of 2023, the Company adopted ASU 2023-02 on a prospective basis and implemented the proportional amortization method of accounting. The proportional amortization method recognizes the amortization of the cost of the investment as a component of income tax expense.

In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform: Facilitation of the Effects of Reference Rate Reform on Financial Reporting. The amendments in this update provide temporary, optional guidance to ease the potential burden in accounting for transitioning away from reference rates such as LIBOR. The amendments provide optional expedients and exceptions for applying GAAP to transactions affected by reference rate reform if certain criteria are met. The amendments primarily include relief related to contract modifications and hedging relationships, as well as providing a one-time election for the sale or transfer of debt securities classified as held-to-maturity. This ASU was effective in June 2023. and it did not have a material impact on our consolidated financial statements. As a result of the phase out of LIBOR, our interest rate swap derivatives and the associated loans that were indexed to LIBOR, have been replaced with one month CME Term SOFR. The Bank will continue to use multiple alternative indices as replacements for LIBOR for newly originated instruments. All remaining financial instruments indexed to LIBOR have been transitioned to a replacement index, as of June 30, 2023.

In March 2022, the FASB issued ASU 2022-01, Derivatives and Hedging (Topic 815): Fair Value Hedging—Portfolio Layer Method, was effective in the first quarter of 2023. The amendments in ASU 2022-01 allow non-prepayable financial assets to be included in a closed portfolio hedged using the portfolio layer method. That expanded scope permits an entity to apply the same portfolio hedging method to both prepayable and non-prepayable financial assets, thereby allowing consistent accounting for similar hedges. This ASU expanded the previous single-layer model to allow multiple hedged layers of a single closed portfolio. As a result, an entity can achieve hedge accounting for hedges of a greater proportion of the interest rate risk inherent in the assets included in the closed portfolio, further aligning hedge accounting with risk management strategies. To reflect that expansion, the last-of-layer method is renamed the portfolio layer method. This ASU also clarifies that fair value basis adjustments in an existing portfolio layer method hedge are maintained at the closed portfolio level (Balance Sheet line item level) and are therefore not allocated to individual assets. In June 2023, fair value hedging transactions were executed in which $1.0 billion notional pay-fixed interest rate swaps were consummated with maturities ranging from four to five years in which the Company pays a weighted average fixed rate of approximately 3.8% and receives daily SOFR. The fair value of these instruments totaled $24.9 million on September 30, 2023. This pay-fixed interest rate swap is designated as a partial-term fair value hedge using the Portfolio Layer Method, in accordance with ASU 2022-01. Refer to Note 10 – Derivative Financial Instruments of the notes to the unaudited condensed consolidated financial statements of this report for additional information.

10

4. BUSINESS COMBINATIONS

On January 7, 2022, the Company completed the acquisition of Suncrest, headquartered in Visalia, California. The Company acquired all of the assets and assumed all of the liabilities of Suncrest in a stock and cash transaction for $39.6 million in cash and $197.1 million in stock. As a result, Suncrest merged with and into the Bank, the principal subsidiary of CVB. The Company believes this transaction serves to further extend and strengthen its geographic presence in California’s Central Valley and the Sacramento metro area. At close, Suncrest had seven branch locations and two loan production offices, which re-opened as CBB locations on January 10, 2022. As a result of the consolidation of two branches during the second quarter of 2022, five branch locations remain from this acquisition.

The assets acquired and liabilities assumed have been accounted for under the acquisition method of accounting. The total fair value of assets acquired approximated $1.38 billion in total assets, including $329.0 million of cash and cash equivalents, net of cash paid, $131.1 million of investment securities, $765.9 million in net loans, $6.1 million in premises and equipment, $9.0 million in BOLI, and $33.7 million in other assets. The purchased credit deteriorated (“PCD”) loans were recorded at a fair value of $224.7 million, which was net of a discount of $13.1 million including a credit discount of $8.6 million. The assets acquired also include a core deposit intangible of $3.9 million and non-tax deductible goodwill of $102.1 million. Goodwill from the acquisition represents the excess of the purchase price over the fair value of the net tangible and intangible assets acquired. The total fair value of liabilities assumed was $1.19 billion, which included $512.8 million of noninterest-bearing deposits and $669.8 million of interest-bearing deposits, and $6.2 million in other liabilities. The assets and liabilities, both tangible and intangible, were recorded at their estimated fair values as of January 7, 2022. Goodwill is not tax deductible for income tax purposes.

We have included the financial results of the business combination in the condensed consolidated statement of earnings and comprehensive income beginning on the acquisition date. Supplementary pro forma financial information related to the acquisition is not included because the impact to the Company's consolidated statements of income is not material.

For the nine months ended September 30, 2022, the Company incurred non-recurring merger related expenses associated with the Suncrest acquisition of $6.0 million.

11

5. INVESTMENT SECURITIES

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

	September 30, 2023
	Amortized Cost		Gross Unrealized Holding Gain		Gross Unrealized Holding Loss			Fair Value		Total Percent
	(Dollars in thousands)
Investment securities available-for-sale:
Government agency/GSE	$	34,126	$	—	$	(17	)	$	34,109		1.19	%
Mortgage-backed securities		2,925,382		1		(488,759	)		2,436,624		84.81	%
CMO/REMIC		514,161		—		(136,663	)		377,498		13.13	%
Municipal bonds		26,799		23		(3,009	)		23,813		0.83	%
Other securities		1,119		—		—			1,119		0.04	%
Unallocated portfolio layer fair value basis adjustments (1)		24,868		—		(24,868	)		—		0.00	%
Total available-for-sale securities	$	3,526,455	$	24	$	(653,316	)	$	2,873,163		100.00	%
Investment securities held-to-maturity:
Government agency/GSE	$	534,814	$	—	$	(123,981	)	$	410,833		21.48	%
Mortgage-backed securities		673,413		—		(134,290	)		539,123		27.05	%
CMO/REMIC		812,006		—		(194,237	)		617,769		32.62	%
Municipal bonds		469,208		4		(67,619	)		401,593		18.85	%
Total held-to-maturity securities	$	2,489,441	$	4	$	(520,127	)	$	1,969,318		100.00	%

(1)Represents the amount of portfolio layer method basis adjustments related to AFS MBS securities hedged in a closed portfolio. Under U.S. GAAP, portfolio layer method basis adjustments are not allocated to individual securities, however the amounts impact the unrealized gains or losses for the individual securities being hedged. Refer to Note 3 and Note 10 for additional information.

	December 31, 2022
	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	$	3,192,151	$	39	$	(403,049	)	$	2,789,141		85.68	%
CMO/REMIC		535,269		—		(95,966	)		439,303		13.50	%
Municipal bonds		26,797		67		(1,177	)		25,687		0.79	%
Other securities		1,080		—		—			1,080		0.03	%
Total available-for-sale securities	$	3,755,297	$	106	$	(500,192	)	$	3,255,211		100.00	%
Investment securities held-to-maturity:
Government agency/GSE	$	548,771	$	—	$	(114,343	)	$	434,428		21.48	%
Mortgage-backed securities		706,796		—		(105,867	)		600,929		27.67	%
CMO/REMIC		827,346		—		(131,730	)		695,616		32.39	%
Municipal bonds		471,388		913		(47,687	)		424,614		18.46	%
Total held-to-maturity securities	$	2,554,301	$	913	$	(399,627	)	$	2,155,587		100.00	%

12

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

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2023		2022		2023		2022
	(Dollars in thousands)
Investment securities available-for-sale:
Taxable	$	22,272	$	18,371	$	60,887	$	47,883
Tax-advantaged		169		172		506		534
Total interest income from available-for-sale securities		22,441		18,543		61,393		48,417
Investment securities held-to-maturity:
Taxable		11,139		10,845		33,939		29,927
Tax-advantaged		2,437		1,989		7,333		5,284
Total interest income from held-to-maturity securities		13,576		12,834		41,272		35,211
Total interest income from investment securities	$	36,017	$	31,377	$	102,665	$	83,628

Approximately 91% of the total investment securities portfolio at September 30, 2023 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 CECL model was zero at September 30, 2023 and December 31, 2022.

The following table presents the Company’s available-for-sale and held-to-maturity investment securities, by investment category, in an unrealized loss position for which an allowance for credit losses has not been recorded as of September 30, 2023 and December 31, 2022.

	September 30, 2023
	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:
Government agency/GSE	$	34,109	$	(17	)	$	—	$	—		$	34,109	$	(17	)
Mortgage-backed securities		825		(16	)		2,435,125		(488,743	)		2,435,950		(488,759	)
CMO/REMIC		3		—			377,495		(136,663	)		377,498		(136,663	)
Municipal bonds		5,699		(451	)		16,948		(2,558	)		22,647		(3,009	)
Total available-for-sale securities	$	40,636	$	(484	)	$	2,829,568	$	(627,964	)	$	2,870,204	$	(628,448	)
Investment securities held-to-maturity:
Government agency/GSE	$	—	$	—		$	410,833	$	(123,981	)	$	410,833	$	(123,981	)
Mortgage-backed securities		—		—			539,123		(134,290	)		539,123		(134,290	)
CMO/REMIC		—		—			617,769		(194,237	)		617,769		(194,237	)
Municipal bonds		109,966		(7,127	)		288,267		(60,492	)		398,233		(67,619	)
Total held-to-maturity securities	$	109,966	$	(7,127	)	$	1,855,992	$	(513,000	)	$	1,965,958	$	(520,127	)

13

	December 31, 2022
	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	$	1,658,331	$	(187,842	)	$	1,129,257	$	(215,207	)	$	2,787,588	$	(403,049	)
CMO/REMIC		54,005		(4,796	)		385,295		(91,170	)		439,300		(95,966	)
Municipal bonds		24,507		(1,177	)		—		—			24,507		(1,177	)
Total available-for-sale securities	$	1,736,843	$	(193,815	)	$	1,514,552	$	(306,377	)	$	3,251,395	$	(500,192	)
Investment securities held-to-maturity:
Government agency/GSE		179,348		(39,866	)		255,080		(74,477	)		434,428		(114,343	)
Mortgage-backed securities		188,480		(9,042	)		412,449		(96,825	)		600,929		(105,867	)
CMO/REMIC		376,540		(60,598	)		319,076		(71,132	)		695,616		(131,730	)
Municipal bonds		312,702		(35,656	)		53,350		(12,031	)		366,052		(47,687	)
Total held-to-maturity securities	$	1,057,070	$	(145,162	)	$	1,039,955	$	(254,465	)	$	2,097,025	$	(399,627	)

At September 30, 2023, investment securities with carrying values of $2.16 billion were pledged to secure various types of deposits, including $1.34 billion of public funds. In addition, investment securities with carrying values of $2.94 billion were pledged to secure $433.5 million for repurchase agreements, $870 million for outstanding borrowings, $1.58 billion for unused borrowing capacity and approximately $52 million for other purposes as required or permitted by law.

At December 31, 2022, investment securities with carrying values of $1.56 billion were pledged to secure various types of deposits, including $1.13 billion of public funds. In addition, investment securities, with carrying values of $3.15 billion were pledged to secure $652.0 million for repurchase agreements, $550 million for outstanding borrowings, $105 million for unused borrowing capacity and approximately $27 million for other purposes as required or permitted by law.

The amortized cost and fair value of debt securities at September 30, 2023, by contractual maturity, are shown in the table below. Although mortgage-backed and CMO/REMIC securities have weighted average remaining contractual maturities of approximately 23 years, 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.

	September 30, 2023
	Available-for-sale				Held-to-maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
			(Dollars in thousands)
Due in one year or less	$	35,816	$	35,794	$	12,414	$	11,874
Due after one year through five years		321,428		278,310		34,306		32,206
Due after five years through ten years		2,403,432		1,964,310		323,267		273,094
Due after ten years		765,779		594,749		2,119,454		1,652,144
Total investment securities	$	3,526,455	$	2,873,163	$	2,489,441	$	1,969,318

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 through September 30, 2023.

14

6. 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.

	September 30, 2023			December 31, 2022
	(Dollars in thousands)
Commercial real estate	$	6,843,059		$	6,884,948
Construction		63,022			88,271
SBA		283,124			290,908
SBA - Paycheck Protection Program (PPP)		3,233			9,087
Commercial and industrial		938,064			948,683
Dairy & livestock and agribusiness		351,463			433,564
Municipal lease finance receivables		75,621			81,126
SFR mortgage		268,171			266,024
Consumer and other loans		51,875			76,781
Total loans, at amortized cost		8,877,632			9,079,392
Less: Allowance for credit losses		(88,995	)		(85,117	)
Total loans and lease finance receivables, net	$	8,788,637		$	8,994,275

As of September 30, 2023, 80.81% of the Company’s total loan portfolio consisted of real estate loans, with commercial real estate loans representing 77.08% of total loans. The Company’s real estate loans and construction loans are secured by real properties primarily located in California. As of September 30, 2023, $509.2 million, or 7.44% of the total commercial real estate loans included loans secured by farmland, compared to $517.8 million, or 7.52%, at December 31, 2022. The loans secured by farmland included $133.2 million for loans secured by dairy & livestock land and $376.0 million for loans secured by agricultural land at September 30, 2023, compared to $140.5 million for loans secured by dairy & livestock land and $377.3 million for loans secured by agricultural land at December 31, 2022. As of September 30, 2023, dairy & livestock and agribusiness loans of $351.5 million were comprised of $301.5 million for dairy & livestock loans and $50.0 million for agribusiness loans, compared to $433.6 million comprised of $388.5 million of dairy & livestock loans and $45.1 million of agribusiness loans December 31, 2022.

At September 30, 2023 and December 31, 2022, loans totaling $4.35 billion and $4.30 billion, respectively, were pledged to secure available lines of credit from the FHLB and the Federal Reserve Bank.

There were no outstanding loans held-for-sale as of September 30, 2023 and December 31, 2022.

15

Credit Quality Indicators

We monitor credit quality by evaluating various risk attributes and utilize such information in our evaluation of the appropriateness of the allowance for credit losses. Internal credit risk ratings, within our loan risk rating system, are the credit quality indicators that we most closely monitor.

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 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: 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.

16

The following table summarizes loans by type and origination year, according to our internal risk ratings, and includes gross charge-offs in accordance with ASU 2022-02 effective January 1, 2023, as of the dates presented.

	Origination Year												Revolving loans amortized		Revolving loans converted to
September 30, 2023	2023		2022		2021		2020		2019		Prior		cost basis		term loans		Total
	(Dollars in thousands)
Commercial real estate    loans:
Risk Rating:
Pass	$	373,704	$	1,327,377	$	1,159,196	$	900,512	$	508,645	$	2,119,797	$	160,435	$	38,875	$	6,588,541
Special Mention		3,256		4,417		16,273		28,896		42,458		77,508		1,911		—		174,719
Substandard		244		8,168		—		22,598		12,769		35,220		800		—		79,799
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Commercial real    estate loans:	$	377,204	$	1,339,962	$	1,175,469	$	952,006	$	563,872	$	2,232,525	$	163,146	$	38,875	$	6,843,059
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Construction loans:
Risk Rating:
Pass	$	375	$	14,984	$	24,400	$	8,062	$	—	$	—	$	15,201	$	—	$	63,022
Special Mention		—		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		—		—		—
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Construction    loans:	$	375	$	14,984	$	24,400	$	8,062	$	—	$	—	$	15,201	$	—	$	63,022
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
SBA loans:
Risk Rating:
Pass	$	20,163	$	50,643	$	53,354	$	34,387	$	6,249	$	110,538	$	—	$	—	$	275,334
Special Mention		—		—		—		—		1,890		2,560		—		—		4,450
Substandard		—		—		—		—		—		3,340		—		—		3,340
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SBA loans:	$	20,163	$	50,643	$	53,354	$	34,387	$	8,139	$	116,438	$	—	$	—	$	283,124
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	207	$	—	$	—	$	207
SBA - PPP loans:
Risk Rating:
Pass	$	—	$	—	$	809	$	2,424	$	—	$	—	$	—	$	—	$	3,233
Special Mention		—		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		—		—		—
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SBA - PPP loans:	$	—	$	—	$	809	$	2,424	$	—	$	—	$	—	$	—	$	3,233
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial and    industrial loans:
Risk Rating:
Pass	$	116,890	$	152,983	$	107,790	$	93,749	$	73,760	$	102,963	$	248,769	$	6,218	$	903,122
Special Mention		7,418		986		1,300		643		4,482		4,110		5,098		5,702		29,739
Substandard		—		273		—		—		89		1,304		2,487		1,050		5,203
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Commercial and    industrial loans:	$	124,308	$	154,242	$	109,090	$	94,392	$	78,331	$	108,377	$	256,354	$	12,970	$	938,064
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	16	$	—	$	—	$	16

17

	Origination Year												Revolving loans amortized		Revolving loans converted to
September 30, 2023	2023		2022		2021		2020		2019		Prior		cost basis		term loans		Total
	(Dollars in thousands)
Dairy & livestock and    agribusiness loans:
Risk Rating:
Pass	$	247	$	—	$	2,074	$	1,054	$	120	$	205	$	280,524	$	—	$	284,224
Special Mention		463		—		—		—		61		—		62,670		1,304		64,498
Substandard		—		—		—		—		—		208		2,498		35		2,741
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Dairy & livestock    and agribusiness    loans:	$	710	$	—	$	2,074	$	1,054	$	181	$	413	$	345,692	$	1,339	$	351,463
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Municipal lease finance    receivables loans:
Risk Rating:
Pass	$	—	$	5,989	$	26,088	$	6,188	$	4,266	$	32,867	$	—	$	—	$	75,398
Special Mention		—		—		—		—		—		223		—		—		223
Substandard		—		—		—		—		—		—		—		—		—
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Municipal lease    finance receivables    loans:	$	—	$	5,989	$	26,088	$	6,188	$	4,266	$	33,090	$	—	$	—	$	75,621
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
SFR mortgage loans:
Risk Rating:
Pass	$	16,831	$	61,882	$	43,841	$	44,529	$	28,963	$	69,010	$	—	$	—	$	265,056
Special Mention		750		—		—		924		558		339		—		—		2,571
Substandard		—		—		—		—		—		205		—		339		544
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SFR mortgage    loans:	$	17,581	$	61,882	$	43,841	$	45,453	$	29,521	$	69,554	$	—	$	339	$	268,171
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Consumer and other    loans:
Risk Rating:
Pass	$	2,548	$	4,763	$	2,967	$	830	$	710	$	525	$	36,846	$	900	$	50,089
Special Mention		—		—		278		—		—		—		5		884		1,167
Substandard		—		—		—		—		—		11		7		601		619
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Consumer and    other loans:	$	2,548	$	4,763	$	3,245	$	830	$	710	$	536	$	36,858	$	2,385	$	51,875
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	1	$	—	$	—	$	1
Total Loans, at amortized cost:
Risk Rating:
Pass	$	530,758	$	1,618,621	$	1,420,519	$	1,091,735	$	622,713	$	2,435,905	$	741,775	$	45,993	$	8,508,019
Special Mention		11,887		5,403		17,851		30,463		49,449		84,740		69,684		7,890		277,367
Substandard		244		8,441		—		22,598		12,858		40,288		5,792		2,025		92,246
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Loans at amortized cost:	$	542,889	$	1,632,465	$	1,438,370	$	1,144,796	$	685,020	$	2,560,933	$	817,251	$	55,908	$	8,877,632
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	224	$	—	$	—	$	224

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	Origination Year												Revolving loans amortized		Revolving loans converted to
December 31, 2022	2022		2021		2020		2019		2018		Prior		cost basis		term loans		Total
	(Dollars in thousands)
Commercial real estate    loans:
Risk Rating:
Pass	$	1,363,733	$	1,197,290	$	957,965	$	542,827	$	506,613	$	1,889,478	$	175,373	$	39,616	$	6,672,895
Special Mention		3,285		12,114		11,284		32,976		21,646		76,290		908		—		158,503
Substandard		—		—		15,624		16,297		94		21,535		—		—		53,550
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Commercial real    estate loans:	$	1,367,018	$	1,209,404	$	984,873	$	592,100	$	528,353	$	1,987,303	$	176,281	$	39,616	$	6,884,948
Construction loans:
Risk Rating:
Pass	$	17,203	$	26,689	$	16,578	$	—	$	—	$	—	$	22,850	$	—	$	83,320
Special Mention		—		—		—		—		4,951		—		—		—		4,951
Substandard		—		—		—		—		—		—		—		—		—
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Construction    loans:	$	17,203	$	26,689	$	16,578	$	—	$	4,951	$	—	$	22,850	$	—	$	88,271
SBA loans:
Risk Rating:
Pass	$	60,623	$	54,781	$	35,243	$	7,460	$	28,886	$	96,473	$	1,026	$	—	$	284,492
Special Mention		—		—		—		1,321		1,293		2,065		—		—		4,679
Substandard		—		—		—		—		556		1,181		—		—		1,737
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SBA loans:	$	60,623	$	54,781	$	35,243	$	8,781	$	30,735	$	99,719	$	1,026	$	—	$	290,908
SBA - PPP loans:
Risk Rating:
Pass	$	—	$	5,515	$	3,572	$	—	$	—	$	—	$	—	$	—	$	9,087
Special Mention		—		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		—		—		—
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SBA - PPP loans:	$	—	$	5,515	$	3,572	$	—	$	—	$	—	$	—	$	—	$	9,087
Commercial and    industrial loans:
Risk Rating:
Pass	$	154,765	$	135,162	$	80,763	$	101,192	$	42,731	$	85,406	$	305,589	$	7,775	$	913,383
Special Mention		3,955		761		459		1,693		462		8		15,156		544		23,038
Substandard		494		—		728		959		5,624		496		3,200		761		12,262
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Commercial and    industrial loans:	$	159,214	$	135,923	$	81,950	$	103,844	$	48,817	$	85,910	$	323,945	$	9,080	$	948,683

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	Origination Year												Revolving loans amortized		Revolving loans converted to
December 31, 2022	2022		2021		2020		2019		2018		Prior		cost basis		term loans		Total
	(Dollars in thousands)
Dairy & livestock and    agribusiness loans:
Risk Rating:
Pass	$	207	$	2,318	$	1,515	$	187	$	69	$	628	$	400,229	$	450	$	405,603
Special Mention		—		—		—		599		46		—		17,129		853		18,627
Substandard		1,041		—		40		—		95		113		1,841		6,204		9,334
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Dairy & livestock    and agribusiness    loans:	$	1,248	$	2,318	$	1,555	$	786	$	210	$	741	$	419,199	$	7,507	$	433,564
Municipal lease finance    receivables loans:
Risk Rating:
Pass	$	6,442	$	26,858	$	6,814	$	4,327	$	4,948	$	31,292	$	—	$	—	$	80,681
Special Mention		—		—		—		—		—		262		—		—		262
Substandard		—		—		—		—		—		183		—		—		183
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Municipal lease    finance receivables    loans:	$	6,442	$	26,858	$	6,814	$	4,327	$	4,948	$	31,737	$	—	$	—	$	81,126
SFR mortgage loans:
Risk Rating:
Pass	$	63,761	$	46,748	$	45,819	$	33,585	$	15,836	$	58,730	$	—	$	—	$	264,479
Special Mention		—		—		943		—		—		—		—		—		943
Substandard		—		—		—		—		—		214		—		388		602
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SFR mortgage    loans:	$	63,761	$	46,748	$	46,762	$	33,585	$	15,836	$	58,944	$	—	$	388	$	266,024
Consumer and other    loans:
Risk Rating:
Pass	$	7,653	$	3,722	$	1,298	$	926	$	79	$	1,277	$	58,578	$	1,107	$	74,640
Special Mention		—		561		—		—		—		—		590		—		1,151
Substandard		—		—		—		—		—		13		5		972		990
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Consumer and    other loans:	$	7,653	$	4,283	$	1,298	$	926	$	79	$	1,290	$	59,173	$	2,079	$	76,781
Total Loans, at amortized cost:
Risk Rating:
Pass	$	1,674,387	$	1,499,083	$	1,149,567	$	690,504	$	599,162	$	2,163,284	$	963,645	$	48,948	$	8,788,580
Special Mention		7,240		13,436		12,686		36,589		28,398		78,625		33,783		1,397		212,154
Substandard		1,535		—		16,392		17,256		6,369		23,735		5,046		8,325		78,658
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Loans at amortized cost:	$	1,683,162	$	1,512,519	$	1,178,645	$	744,349	$	633,929	$	2,265,644	$	1,002,474	$	58,670	$	9,079,392

Allowance for Credit Losses ("ACL")

Our allowance for credit losses is based upon lifetime loss rate models developed from an estimation framework that uses historical lifetime loss experiences to derive loss rates at a collective pool level. We measure the expected credit losses on a collective (pooled) basis for those loans that share similar risk characteristics. We have three collective loan pools: Commercial Real Estate, Commercial and Industrial, and Consumer. Our ACL amounts are largely driven by portfolio characteristics, including loss history and various risk attributes, and the economic outlook for certain macroeconomic variables. Risk attributes for commercial real estate loans include Original Loan to Value ratios ("OLTV"), origination year, loan seasoning, and macroeconomic variables that include GDP growth, commercial real estate price index and unemployment rate. Risk attributes for commercial and industrial loans include internal risk ratings, borrower industry sector, loan credit spreads and macroeconomic variables that include unemployment rate and BBB spread. The macroeconomic variables for Consumer include unemployment rate and GDP. The Commercial Real Estate methodology is applied over commercial real estate loans, a portion of construction loans, and a portion of SBA loans (excluding Paycheck Protection Program loans). The Commercial and Industrial methodology is applied over a substantial portion of the Company’s commercial and industrial loans, all dairy & livestock and agribusiness loans, municipal lease receivables, as well as the remaining portion of SBA loans (excluding Paycheck Protection Program loans). The Consumer methodology is applied to SFR mortgage loans, consumer loans, as well as the remaining construction loans. In addition to determining the quantitative life of loan loss rate to be applied against the amortized cost basis of the portfolio segments, management reviews current conditions and forecasts to determine whether adjustments are needed to ensure

20

that the life of loan loss rates reflect both the current state of the portfolio, and expectations for macroeconomic changes. 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 included in our Annual Report on Form 10-K for the year ended December 31, 2022 for a more detailed discussion concerning the allowance for credit losses.

The ACL totaled $89.0 million at September 30, 2023, compared to $85.1 million at December 31, 2022. The $3.9 million increase in the ACL from December 31, 2022 to September 30, 2023 is comprised of $4.0 million in provision for credit losses, offset by $122,000 in net charge-offs. At September 30, 2023, the ACL as a percentage of total loans and leases, at amortized cost, was 1.00%. This compares to 0.94% at December 31, 2022. Our economic forecast continues to be a blend of multiple forecasts produced by Moody’s. The baseline forecast continues to represent the largest weighting in our multi-weighted forecast scenario, with the remaining weighting on forecasts that reflect greater downside risks of recession. As of September 30, 2023, the resulting weighted forecast assumes GDP will increase by 2.1% for all of 2023 and 0.3% for 2024 and then grow by 1.1% in 2025. The unemployment rate is forecasted to be 3.8% in 2023, 5.2% in 2024 and 5.7% in 2025.

Management believes that the ACL was appropriate at September 30, 2023 and December 31, 2022. Due to inflationary pressures, high interest rates, lower commercial real estate values, and geopolitical events, 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 September 30, 2023
	Ending Balance June 30, 2023		Charge-offs			Recoveries		Provision for (Recapture of) Credit Losses			Ending Balance September 30, 2023
	(Dollars in thousands)
Commercial real estate	$	67,943	$	—		$	—	$	2,957		$	70,900
Construction		1,162		—			3		(166	)		999
SBA		2,656		(26	)		48		371			3,049
SBA - PPP		—		—			—		—			—
Commercial and industrial		9,121		—			—		161			9,282
Dairy & livestock and agribusiness		4,960		—			3		(1,396	)		3,567
Municipal lease finance receivables		273		—			—		(27	)		246
SFR mortgage		450		—			—		75			525
Consumer and other loans		402		—			—		25			427
Total allowance for credit losses	$	86,967	$	(26	)	$	54	$	2,000		$	88,995

	Three Months Ended September 30, 2022
	Ending Balance June 30, 2022		Charge-offs			Recoveries		Provision for (Recapture of) Credit Losses			Ending Balance September 30, 2022
	(Dollars in thousands)
Commercial real estate	$	61,513	$	—		$	—	$	3,392		$	64,905
Construction		1,062		—			3		657			1,722
SBA		2,613		—			41		151			2,805
SBA - PPP		—		—			—		—			—
Commercial and industrial		7,194		(45	)		—		(16	)		7,133
Dairy & livestock and agribusiness		6,832		—			381		(2,220	)		4,993
Municipal lease finance receivables		183		—			—		56			239
SFR mortgage		254		—			—		50			304
Consumer and other loans		571		(1	)		—		(70	)		500
Total allowance for credit losses	$	80,222	$	(46	)	$	425	$	2,000		$	82,601

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	Nine Months Ended September 30, 2023
	Ending Balance December 31, 2022		Charge-offs			Recoveries		Provision for (Recapture of) Credit Losses			Ending Balance September 30, 2023
	(Dollars in thousands)
Commercial real estate	$	64,806	$	—		$	—	$	6,094		$	70,900
Construction		1,702		—			9		(712	)		999
SBA		2,809		(207	)		69		378			3,049
SBA - PPP		—		—			—		—			—
Commercial and industrial		10,206		(16	)		14		(922	)		9,282
Dairy & livestock and agribusiness		4,400		—			10		(843	)		3,567
Municipal lease finance receivables		296		—			—		(50	)		246
SFR mortgage		366		—			—		159			525
Consumer and other loans		532		(1	)		—		(104	)		427
Total allowance for credit losses	$	85,117	$	(224	)	$	102	$	4,000		$	88,995

	Nine Months Ended September 30, 2022
	Ending Balance December 31, 2021		Charge-offs			Recoveries		Initial ACL for PCD Loans at Acquisition		Provision Recorded at Acquisition		Provision for (Recapture of) Credit Losses			Ending Balance September 30, 2022
	(Dollars in thousands)
Commercial real estate	$	50,950	$	—		$	—	$	5,086	$	4,127	$	4,742		$	64,905
Construction		765		—			9		122		58		768			1,722
SBA		2,668		—			99		62		64		(88	)		2,805
Commercial and industrial		6,669		(66	)		456		500		508		(934	)		7,133
Dairy & livestock and agribusiness		3,066		—			383		2,832		149		(1,437	)		4,993
Municipal lease finance receivables		100		—			—		3		26		110			239
SFR mortgage		188		—			—		—		—		116			304
Consumer and other loans		613		(4	)		—		—		—		(109	)		500
Total allowance for credit losses	$	65,019	$	(70	)	$	947	$	8,605	$	4,932	$	3,168		$	82,601

Past Due and Nonperforming 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 responsible for 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 credit losses, 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 credit 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, 2022, for additional discussion concerning the Bank’s policy for past due and nonperforming loans.

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

	September 30, 2023
	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 real estate
Owner occupied	$	92	$	44	$	3,107	$	3,243	$	2,468,477	$	2,471,720
Non-owner occupied		—		—		531		531		4,370,808		4,371,339
Construction
Speculative (1)		—		—		—		—		53,058		53,058
Non-speculative		—		—		—		—		9,964		9,964
SBA		—		54		996		1,050		282,074		283,124
SBA - PPP		—		—		—		—		3,233		3,233
Commercial and industrial		—		2,487		1,911		4,398		933,666		938,064
Dairy & livestock and agribusiness		—		95		36		131		351,332		351,463
Municipal lease finance receivables		—		—		—		—		75,621		75,621
SFR mortgage		—		—		—		—		268,171		268,171
Consumer and other loans		4		—		—		4		51,871		51,875
Total gross loans	$	96	$	2,680	$	6,581	$	9,357	$	8,868,275	$	8,877,632

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

22

	December 31, 2022
	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 real estate
Owner occupied	$	—	$	—	$	2,639	$	2,639	$	2,482,471	$	2,485,110
Non-owner occupied		—		—		—		—		4,399,838		4,399,838
Construction
Speculative (1)		—		—		—		—		67,436		67,436
Non-speculative		—		—		—		—		20,835		20,835
SBA		374		182		443		999		289,909		290,908
SBA - PPP		—		—		—		—		9,087		9,087
Commercial and industrial		—		—		1,318		1,318		947,365		948,683
Dairy & livestock and agribusiness		—		—		269		269		433,295		433,564
Municipal lease finance receivables		—		—		—		—		81,126		81,126
SFR mortgage		—		388		—		388		265,636		266,024
Consumer and other loans		175		—		33		208		76,573		76,781
Total gross loans	$	549	$	570	$	4,702	$	5,821	$	9,073,571	$	9,079,392

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

Amortized cost of our finance receivables and loans that are on nonaccrual status, including loans with no allowance are presented as of September 30, 2023 and December 31, 2022 by type of loan.

	September 30, 2023
	Nonaccrual with No Allowance for Credit Losses		Total Nonaccrual (1)		Loans Past Due Over 89 Days Still Accruing
	(Dollars in thousands)
Commercial real estate
Owner occupied	$	3,107	$	3,107	$	—
Non-owner occupied		548		548		—
Construction
Speculative (2)		—		—		—
Non-speculative		—		—		—
SBA		868		1,050		—
SBA - PPP		—		—		—
Commercial and industrial		939		4,672		—
Dairy & livestock and agribusiness		131		243		—
Municipal lease finance receivables		—		—		—
SFR mortgage		339		339		—
Consumer and other loans		—		4		—
Total gross loans	$	5,932	$	9,963	$	—

(1)As of September 30, 2023, $742,000 of nonaccruing loans were current, $4,000 were 30-59 days past due, $2.6 million were 60-89 days past due, and $6.6 million were 90+ days past due.

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

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	December 31, 2022
	Nonaccrual with No Allowance for Credit Losses		Total Nonaccrual (1) (3)		Loans Past Due Over 89 Days Still Accruing
	(Dollars in thousands)
Commercial real estate
Owner occupied	$	2,639	$	2,639	$	—
Non-owner occupied		18		18		—
Construction
Speculative (2)		—		—		—
Non-speculative		—		—		—
SBA		268		443		—
SBA - PPP		—		—		—
Commercial and industrial		771		1,320		—
Dairy & livestock and agribusiness		364		477		—
Municipal lease finance receivables		—		—		—
SFR mortgage		—		—		—
Consumer and other loans		34		33		—
Total gross loans	$	4,094	$	4,930	$	—

(1)As of December 31, 2022, $228,000 of nonaccruing loans were current and $4.7 million were 90+ days past due.

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

(3)Excludes $221,000 of guaranteed portion of nonaccrual SBA loans that are in process of collection.

Collateral Dependent Loans

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 dates presented.

	September 30, 2023						Number of Loans
	Real Estate		Business Assets		Other		Dependent on Collateral
	(Dollars in thousands)
Commercial real estate	$	3,655	$	—	$	—		5
Construction		—		—		—		—
SBA		830		220		—		5
SBA - PPP		—		—		—		—
Commercial and industrial		401		3,104		1,167		10
Dairy & livestock and agribusiness		130		—		113		3
Municipal lease finance receivables		—		—		—		—
SFR mortgage		339		—		—		1
Consumer and other loans		—		—		4		1
Total collateral-dependent loans	$	5,355	$	3,324	$	1,284		25

	December 31, 2022						Number of Loans
	Real Estate		Business Assets		Other		Dependent on Collateral
	(Dollars in thousands)
Commercial real estate	$	17,935	$	—	$	—		4
Construction		—		—		—		—
SBA		151		292		—		6
SBA - PPP		—		—		—		—
Commercial and industrial		87		2,774		81		13
Dairy & livestock and agribusiness		269		2,000		208		4
Municipal lease finance receivables		—		—		—		—
SFR mortgage		—		—		—		—
Consumer and other loans		33		—		—		1
Total collateral-dependent loans	$	18,475	$	5,066	$	289		28

24

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 in the same manner as it evaluates credit risk associated with the loan and lease portfolio. The Bank's ACL methodology produced an allowance of $8.0 million for the off-balance sheet credit exposures as of September 30, 2023. There was no provision or recapture of provision for unfunded loan commitments for the nine months ended September 30, 2023 and September 30, 2022. As of September 30, 2023 and December 31, 2022, the balance in this reserve was $8.0 million and was included in other liabilities.

Modifications of Loans to Borrowers Experiencing Financial Difficulty

The Company adopted Accounting Standards Update (“ASU”) 2022-02, Financial Instruments - Credit Losses (Topic 326) Troubled Debt Restructurings and Vintage Disclosures (“ASU 2022-02”) effective January 1,2023. The amendments in ASU 2022-02 eliminated the recognition and measurement of TDRs and enhanced disclosures for loan modifications to borrowers experiencing financial difficulty.

The table below reflects the amortized cost of loans by type made to borrowers experiencing financial difficulty that were modified during the three months ended September 30, 2023.

	Term Extension
	Amortized Cost Basis		% of Total Class of
	at September 30,2023		Financing Receivables
	(Dollars in thousands)
Commercial real estate loans	$	1,815		0.02	%
Dairy & livestock and agribusiness		4,799		0.05	%
Total	$	6,614
	Combination-Term Extension and Interest Rate Reduction
	Amortized Cost Basis		% of Total Class of
	at September 30,2023		Financing Receivables
Commercial real estate loans	$	690		0.01	%
Total	$	690

The following table describes the financial effect of the loan modifications made to borrowers experiencing financial difficulty during the three months ended September 30, 2023.

Loan Type	Financial Effect
	Term Extension
Commercial real estate loans	Added a weighted-average 1.0 years to the life of loans, which reduced monthly payment amounts for the borrowers.
Dairy & livestock and agribusiness	Added a weighted-average 0.5 years to the life of loans, which reduced monthly payment amounts for the borrowers.
	Combination-Term Extension and Interest Rate Reduction
Commercial real estate loans	Added a weighted-average 7.6 years to the life of loans, which reduced monthly payment amounts for the borrowers; reduced weighted-average contractual interest rate from 10% to 7.25%.

25

As of September 30, 2023, the Company did not have any loans made to borrowers experiencing financial difficulty that were modified during the first nine months of 2023 that subsequently defaulted. Payment default is defined as movement to nonaccrual (nonperforming) status, foreclosure or charge-off, whichever occurs first.

The following table presents the recorded investment in, and the aging of, past due loans at amortized cost (including nonaccrual loans), by type of loans, made to borrowers experiencing financial difficulty that were modified on or after January 1, 2023, the date we adopted ASU 2022-02.

	Payment Status (amortized cost basis)
	Current		30-89 Days Past Due		90+ Days Past Due
	(Dollars in thousands)
Commercial real estate loans	$	2,505	$	—	$	—
Dairy & livestock and agribusiness		4,799		—		—
Total	$	7,304	$	—	$	—

Prior to January 1, 2023, loans reported as TDRs were considered impaired and charge-off amounts were 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, 2022 for a more detailed discussion regarding TDRs.

As of December 31, 2022, there were $7.8 million of loans classified as a TDR, all of which were performing. 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 December 31, 2022, performing TDRs were comprised of four commercial and industrial loans of $4.8 million, one dairy & livestock and agribusiness loan of $2.0 million, and five SFR mortgage loans of $1.0 million.

The majority of TDRs have no specific allowance allocated as any impairment amount is normally charged off at the time the loan is considered uncollectible. We had no allocated allowance to TDRs as of December 31, 2022 and September 30, 2022.

As of December 31, 2022 and September 30, 2022, there were no loans that were modified as a TDR within the previous 12 months that subsequently defaulted during the twelve months ended December 31, 2022 and the nine months ended September 30, 2022.

7. BORROWINGS

Borrowings as of September 30, 2023, consisted of $870 million from the Federal Reserve's Bank Term Funding Program at a weighted average rate of 4.87%. These borrowings can be prepaid without penalty and mature in May and September of 2024. These borrowings replaced higher cost borrowings from the FHLB. Remaining FHLB borrowings at September 30, 2023 consisted of short-term advances of $250 million, a decrease from $800 million at June 30, 2023, with a cost of approximately 5%. These FHLB advances will mature in the fourth quarter of 2023.

The Bank has $4.7 billion of secured and unused capacity with the FHLB, $1.2 billion of secured unused borrowing capacity at the Fed’s discount window or Bank Term Funding Program, more than $260 million of unpledged AFS securities that could be pledged at the discount window or the Fed’s Bank Term Funding Program and $300 million of unsecured lines of credit.

26

8. 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 and nine months ended September 30, 2023 shares deemed to be antidilutive, and thus excluded from the computation of earnings per common share, were 1,096,000 and 1,100,000, respectively. For the three and nine months ended September 30, 2022 shares deemed to be antidilutive, and thus excluded from the computation of earnings per common share, were 66,000 and 247,000, 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 September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(In thousands, except per share amounts)
Earnings per common share:
Net earnings	$	57,887	$	64,639	$	172,927	$	169,257
Less: Net earnings allocated to restricted stock		410		434		1,208		1,080
Net earnings allocated to common shareholders	$	57,477	$	64,205	$	171,719	$	168,177
Weighted average shares outstanding		138,345		138,888		138,361		139,923
Basic earnings per common share	$	0.42	$	0.46	$	1.24	$	1.20
Diluted earnings per common share:
Net income allocated to common shareholders	$	57,477	$	64,205	$	171,719	$	168,177
Weighted average shares outstanding		138,345		138,888		138,361		139,923
Incremental shares from assumed exercise of    outstanding options		136		459		120		300
Diluted weighted average shares outstanding		138,481		139,347		138,481		140,223
Diluted earnings per common share	$	0.42	$	0.46	$	1.24	$	1.20

27

9. 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 valuation methodologies for financial assets and liabilities measured at fair value on a recurring and non-recurring basis are described in Note 19 — Fair Value Information, included in our Annual Report on Form 10-K for the year ended December 31, 2022.

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 September 30, 2023		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:
Government agency/GSE	$	34,109	$	—	$	34,109	$	—
Mortgage-backed securities		2,436,624		—		2,436,624		—
CMO/REMIC		377,498		—		377,498		—
Municipal bonds		23,813		—		23,813		—
Other securities		1,119		—		1,119		—
Total investment securities - AFS		2,873,163		—		2,873,163		—
Derivatives not designated as hedging instruments:
Interest rate swaps		—		—		—		—
Derivatives designated as hedging instruments:
Interest rate swaps		24,868		—		24,868		—
Total assets	$	2,898,031	$	—	$	2,898,031	$	—
Description of liability
Derivatives not designated as hedging instruments:
Interest rate swaps	$	—	$	—	$	—	$	—
Total liabilities	$	—	$	—	$	—	$	—

28

	Carrying Value at December 31, 2022		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	$	2,789,141	$	—	$	2,789,141	$	—
CMO/REMIC		439,303		—		439,303		—
Municipal bonds		25,687		—		25,687		—
Other securities		1,080		—		1,080		—
Total investment securities - AFS		3,255,211		—		3,255,211		—
Derivatives not designated as hedging instruments:
Interest rate swaps		82		—		82		—
Total assets	$	3,255,293	$	—	$	3,255,293	$	—
Description of liability
Derivatives not designated as hedging instruments:
Interest rate swaps	$	82	$	—	$	82	$	—
Total liabilities	$	82	$	—	$	82	$	—

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 September 30, 2023 and December 31, 2022, 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 September 30, 2023		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 Nine Months Ended September 30, 2023
	(Dollars in thousands)
Description of assets
Loans:
Commercial real estate	$	2,813	$	—	$	—	$	2,813	$	8
Construction		—		—		—		—		—
SBA		209		—		—		209		217
SBA - PPP		—		—		—		—		—
Commercial and industrial		3,575		—		—		3,575		3,100
Dairy & livestock and    agribusiness		4,799		—		—		4,799		57
Municipal lease finance    receivables		—		—		—		—		—
SFR mortgage		—		—		—		—		—
Consumer and other loans		—		—		—		—		—
Other real estate owned		—		—		—		—		—
Asset held-for-sale		—		—		—		—		—
Total assets	$	11,396	$	—	$	—	$	11,396	$	3,382

29

	Carrying Value at December 31, 2022		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, 2022
	(Dollars in thousands)
Description of assets
Loans:
Commercial real estate	$	2,639	$	—	$	—	$	2,639	$	1
Construction		—		—		—		—		—
SBA		323		—		—		323		182
SBA - PPP		—		—		—		—		2
Commercial and industrial		451		—		—		451		326
Dairy & livestock and    agribusiness		113		—		—		113		113
Municipal lease finance    receivables		—		—		—		—		—
SFR mortgage		—		—		—		—		—
Consumer and other loans		—		—		—		—		2
Other real estate owned		—		—		—		—		—
Asset held-for-sale		—		—		—		—		—
Total assets	$	3,526	$	—	$	—	$	3,526	$	626

30

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 September 30, 2023 and December 31, 2022, respectively. The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts.

	September 30, 2023
	Carrying		Estimated Fair Value
	Amount		Level 1		Level 2		Level 3		Total
	(Dollars in thousands)
Assets
Total cash and cash equivalents	$	240,695	$	240,695	$	—	$	—	$	240,695
Interest-earning balances due from    depository institutions		4,108		—		4,108		—		4,108
Investment securities available-for-sale		2,873,163		—		2,873,163		—		2,873,163
Investment securities held-to-maturity		2,489,441		—		1,969,318		—		1,969,318
Total loans, net of allowance for credit    losses		8,788,637		—		—		7,961,394		7,961,394
Derivatives not designated as hedging instruments:
Interest rate swaps		—		—		—		—		—
Derivatives designated as hedging instruments:
Interest rate swaps		24,868		—		24,868		—		24,868
Liabilities
Deposits:
Interest-bearing	$	4,772,137	$	—	$	4,766,447	$	—	$	4,766,447
Borrowings		1,389,552		—		1,322,699		—		1,322,699
Junior subordinated debentures		—		—		—		—		—
Derivatives not designated as hedging instruments:
Interest rate swaps		—		—		—		—		—

	December 31, 2022
	Carrying		Estimated Fair Value
	Amount		Level 1		Level 2		Level 3		Total
	(Dollars in thousands)
Assets
Total cash and cash equivalents	$	203,461	$	203,461	$	—	$	—	$	203,461
Interest-earning balances due from    depository institutions		9,553		—		9,553		—		9,553
Investment securities available-for-sale		3,255,211		—		3,255,211		—		3,255,211
Investment securities held-to-maturity		2,554,301		—		2,155,587		—		2,155,587
Total loans, net of allowance for credit    losses		8,994,275		—		—		8,074,952		8,074,952
Derivatives not designated as hedging instruments:
Interest rate swaps		82		—		82		—		82
Liabilities
Deposits:
Interest-bearing	$	4,671,881	$	—	$	4,664,657	$	—	$	4,664,657
Borrowings		1,560,431		—		1,444,659		—		1,444,659
Junior subordinated debentures		—		—		—		—		—
Derivatives not designated as hedging instruments:
Interest rate swaps		82		—		82		—		82

31

The fair value estimates presented herein are based on pertinent information available to management as of September 30, 2023 and December 31, 2022. 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.

10. DERIVATIVE FINANCIAL INSTRUMENTS

Derivatives Not Designated as Hedging 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 September 30, 2023, the Bank has entered into 123 interest-rate swap agreements with customers with a notional amount totaling $409.8 million. The Bank then entered into identical offsetting swaps with counterparties. 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 a 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 SOFR 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. 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.

Derivatives Designated as Hedging Instruments

To manage interest rate risk on our AFS securities portfolio, we have entered into pay-fixed, receive-floating interest rate swap contracts to hedge against exposure to changes in the fair value of such securities resulting from changes in interest rates. We designate these interest rate swap contracts as fair value hedges that qualify for hedge accounting under ASC 815, Derivatives and Hedging. We elected to account for the fair value hedges using the portfolio layer method in accordance with ASU 2022-01. We record the interest rate swaps in the line items "accrued interest receivable and other assets" and "other liabilities" on our consolidated balance sheet. For qualifying fair value hedges, both the changes in the fair value of the derivative and the portion of the fair value adjustments associated with the portfolio layer attributable to the hedged risk are recognized into earnings as they occur. Derivative amounts impacting earnings are recognized consistent with the classification of the hedged item in the line item "investment securities available for sale" as part of interest income, a component of consolidated net income.

In June 2023, fair value hedging transactions were executed in which $1.0 billion notional pay-fixed interest rate swaps were consummated with maturities ranging from four to five years in which the Company pays a weighted average fixed rate of approximately 3.8% and receives daily SOFR. The fair value of these instruments totaled $24.9 million at September 30, 2023.

We assess hedge effectiveness under ASC 815 on a quarterly basis to ensure all hedges remain highly effective and hedge accounting under ASC 815 can be applied. In conjunction with the assessment of effectiveness, we assess the hedged item to ensure it is expected to be outstanding at the hedged item’s assumed maturity date and the portfolio layer method of accounting under ASC 815 can be applied.

32

Balance Sheet Classification of Derivative Financial Instruments

As of September 30, 2023 and December 31, 2022, the total notional amount of the Company’s swaps was $409.8 million, and $425.6 million, respectively. The location of the asset and liability, and their respective fair values, are summarized in the tables below.

	September 30, 2023
	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	$	—	Other liabilities	$	—
Total		$	—		$	—
Derivatives designated as hedging instruments:
Interest rate swaps	Other assets	$	24,868	Other liabilities	$	—
Total		$	24,868		$	—

	December 31, 2022
	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	$	82	Other liabilities	$	82
Total derivatives		$	82		$	82

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 statements of earnings for the periods presented.

	Location of Gain Recognized in Income on Derivative Instruments	Amount of Gain Recognized in Income on Derivative Instruments
		Three Months Ended September 30,				Nine Months Ended September 30,
		2023		2022		2023		2022
Derivatives Not Designated as Hedging Instruments:		(Dollars in thousands)
Interest rate swaps	Other income	$	—	$	—	$	—	$	—
Total		$	—	$	—	$	—	$	—

	Location of Gain Recognized in Income on Derivative Instruments	Amount of Gains (Losses) Recognized in Interest Income on Derivative Instruments								OCI Impact on Derivatives-Gains (Losses) recorded in OCI
		Three Months Ended September 30, 2023				Nine Months Ended September 30, 2023				Three Months Ended September 30, 2023				Nine Months Ended September 30, 2023
		2023		2022		2023		2022		2023		2022		2023		2022
		(Dollars in thousands)								(Dollars in thousands)
Derivatives Designated as Hedging Instruments:
Interest rate swaps	Interest income	$	3,790	$	—	$	4,236	$	—	$	9,708	$	—	$	17,554	$	—
Total		$	3,790	$	—	$	4,236	$	—	$	9,708	$	—	$	17,554	$	—

33

11. OTHER COMPREHENSIVE INCOME

The table below provides a summary of the components of other comprehensive income (“OCI”) for the periods presented.

	Three Months Ended September 30,
	2023									2022
	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	$	(130,768	)	$	38,660		$	(92,108	)	$	(194,111	)	$	57,386		$	(136,725	)
Amortization of net unrealized losses on securities    transferred from available-for-sale to held-to-maturity		(3,096	)		3,234			138			95			(28	)		67
Derivatives designated as hedging instruments:
Net change in fair value recorded in accumulated OCI		13,739			(4,031	)		9,708			—			—			—
Net change	$	(120,125	)	$	37,863		$	(82,262	)	$	(194,016	)	$	57,358		$	(136,658	)

	Nine Months Ended September 30,
	2023									2022
	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	$	(128,340	)	$	37,942		$	(90,398	)	$	(539,066	)	$	159,367		$	(379,699	)
Amortization of net unrealized losses on securities    transferred from available-for-sale to held-to-maturity		714			(212	)		502			242			(72	)		170
Derivatives designated as hedging instruments:
Net change in fair value recorded in accumulated OCI		24,868			(7,314	)		17,554			—			—			—
Net change	$	(102,758	)	$	30,416		$	(72,342	)	$	(538,825	)	$	159,296		$	(379,529	)

12. 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 not designated as hedging instruments are subject to master netting arrangements. These 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 condensed consolidated balances.

In June 2023, fair value hedging transactions were executed in which $1.0 billion notional pay-fixed interest rate swaps were consummated with maturities ranging from four to five years in which the Company pays a weighted average fixed rate of approximately 3.8% and receives daily SOFR. The fair value of these instruments totaled $24.9 million at September 30, 2023. Refer to Note 10 – Derivative Financial Instruments of the notes to the unaudited condensed consolidated financial statements of this report for additional information.

34

	Gross Amounts Recognized in the Condensed		Gross Amounts Offset in the Condensed			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)
September 30, 2023
Financial assets:
Derivatives not designated as    hedging instruments	$	—	$	—		$	—	$	—	$	—		$	—
Derivatives designated as    hedging instruments		24,868		—			—		24,868		—			24,868
Total	$	24,868	$	—		$	—	$	24,868	$	—		$	24,868
Financial liabilities:
Derivatives not designated as    hedging instruments	$	60,116	$	(60,116	)	$	—	$	60,116	$	(7,536	)	$	52,580
Repurchase agreements		269,552		—			269,552		—		382,531			652,083
Total	$	329,668	$	(60,116	)	$	269,552	$	60,116	$	374,995		$	704,663
December 31, 2022
Financial assets:
Derivatives not designated as    hedging instruments	$	82	$	—		$	—	$	82	$	—		$	82
Total	$	82	$	—		$	—	$	82	$	—		$	82
Financial liabilities:
Derivatives not designated as    hedging instruments	$	53,996	$	(53,914	)	$	82	$	53,914	$	(18,258	)	$	35,738
Repurchase agreements		565,431		—			565,431		—		(634,075	)		(68,644	)
Total	$	619,427	$	(53,914	)	$	565,513	$	53,914	$	(652,333	)	$	(32,906	)

13. 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. Right-of-use (“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.

	September 30, 2023		December 31, 2022
	(Dollars in thousands)
Lease Assets and Liabilities
ROU assets	$	23,025	$	22,696
Total lease liabilities		25,199		24,458

35

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(Dollars in thousands)
Lease Cost
Operating lease expense (1)	$	1,832	$	1,846	$	5,513	$	5,541
Sublease income		—		—		—		—
Total lease expense	$	1,832	$	1,846	$	5,513	$	5,541

(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	$	1,682	$	1,882	$	4,951	$	5,593

	September 30, 2023			December 31, 2022
Lease Term and Discount Rate
Weighted average remaining lease term    (years)		4.12			4.12
Weighted average discount rate		3.43	%		2.80	%

The Company’s lease arrangements that have not yet commenced as of September 30, 2023 and the Company’s short-term lease costs and variable lease costs, for the nine months ended September 30, 2023 and 2022 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 September 30, 2023, excluding property taxes and insurance, are as follows:

	September 30, 2023
	(Dollars in thousands)
Year:
2023 (excluding the nine months ended September 30, 2023)	$	1,691
2024		7,196
2025		6,578
2026		5,313
2027		3,822
Thereafter		2,613
Total future lease payments		27,213
Less: Imputed interest		(2,014	)
Present value of lease liabilities	$	25,199

36

14. REVENUE RECOGNITION

The following table presents noninterest income, segregated by revenue streams in-scope and out-of-scope of ASU No. 2014-09 “Revenue from Contracts with Customers (Topic 606)”, for the periods indicated.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(Dollars in thousands)
Noninterest income:
In-scope of Topic 606:
Service charges on deposit accounts	$	5,062	$	5,233	$	15,244	$	15,625
Trust and investment services		3,246		2,867		9,475		8,651
Bankcard services		354		376		1,221		1,102
Gain/(loss) on sale of other investments		2,575		—		2,575		—
Other		1,524		1,127		6,818		8,207
Noninterest Income (in-scope of Topic 606)		12,761		9,603		35,333		33,585
Noninterest Income (out-of-scope of Topic 606)		1,548		1,987		4,834		3,939
Total noninterest income	$	14,309	$	11,590	$	40,167	$	37,524

Refer to Note 3 – Summary of Significant Accounting Policies and Note 24 – Revenue Recognition, included in our Annual Report on Form 10-K for the year ended December 31, 2022 for a more detailed discussion about noninterest revenue streams that are in-scope of Topic 606.

37

ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion provides information about the results of operations, financial condition, liquidity and capital resources of 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 bank subsidiary, Citizens Business Bank (the “Bank” or “CBB”). This information is intended to facilitate the understanding and assessment of significant changes and trends related to our financial condition and the results of our operations. This discussion and analysis should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2022 and the unaudited condensed consolidated financial statements and accompanying notes presented elsewhere in this report.

CRITICAL ACCOUNTING POLICIES

The discussion and analysis of the Company’s unaudited condensed consolidated financial statements are based upon the Company’s unaudited condensed consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States of America. The preparation of these unaudited condensed consolidated financial statements requires management to make estimates and judgments that affect the reported amounts of assets and liabilities, revenues and expenses, and related disclosures of contingent assets and liabilities at the date of our financial statements. Actual results may differ from these estimates under different assumptions or conditions.

Critical accounting policies are defined as those that are reflective of significant judgments and uncertainties, and are essential to understanding Management’s Discussion and Analysis of Financial Condition and Results of Operations. The following is a summary of the more judgmental and complex accounting estimates and principles. In each area, we have identified the variables we believe are most important in our estimation process. We utilize information available to us to make the necessary estimates to value the related assets and liabilities. Actual performance that differs from our estimates and future changes in the key variables and information could change future valuations and impact the results of operations.

•Allowance for Credit Losses (“ACL”)

•Business Combinations

•Valuation and Recoverability of Goodwill

Our significant accounting policies are described in greater detail in our 2022 Annual Report on Form 10-K in the “Critical Accounting Policies” section of Management’s Discussion and Analysis of Financial Condition and Results of Operations and in Note 3 – Summary of Significant Accounting Policies, included in our Annual Report on Form 10-K for the year ended December 31, 2022, which are essential to understanding Management’s Discussion and Analysis of Financial Condition and Results of Operations.

Recently Issued Accounting Pronouncements but Not Adopted as of September 30, 2023

Standard	Description	Adoption Timing	Impact on Financial Statements
ASU 2022-03, Fair Value Measurement (Topic 820): Fair Value Measurement of Equity Securities Subject to Contractual Sale Restrictions Issued June 2022	On June 30, 2022, the FASB issued ASU 2022-03, Fair Value Measurement (Topic 820) - Fair Value Measurement of Equity Securities Subject to Contractual Sale Restrictions. This ASU clarifies that a contractual restriction on the sale of an equity security is not considered part of the unit of account of the equity security and is not considered in measuring fair value. Further, this ASU clarifies that an entity cannot, recognize and measure a contractual sale restriction as a separate unit of account. Additionally, the amendments require the disclosures for equity securities subject to contractual sale restrictions to include the fair value of equity securities subject to contractual sale restrictions reflected on the balance sheet, the nature and remaining duration of the restrictions and the circumstances that could cause a lapse in the restrictions. This ASU is effective for interim and annual reporting periods beginning after December 15, 2023; early adoption is permitted.	1st Quarter 2024	The adoption of this ASU is not expected to have a material impact on our consolidated financial statements.

38

OVERVIEW

For the third quarter of 2023, we reported net earnings of $57.9 million, compared with $55.8 million for the second quarter of 2023 and $64.6 million for the third quarter of 2022. Diluted earnings per share were $0.42 for the third quarter, compared to $0.40 for the prior quarter and $0.46 for the same period last year. Pretax pre-provision income grew from $78.2 million in the second quarter of 2023 to $82.6 million for the third quarter of 2023, compared to $91.9 million in the third quarter of 2022. Net income of $57.9 million for the third quarter of 2023 produced an annualized return on average equity (“ROAE”) of 11.33%, an annualized return on average tangible common equity (“ROATCE”) of 18.82%, and an annualized return on average assets (“ROAA”) of 1.40%.

Net interest income was $123.4 million for the third quarter of 2023. This represented a $3.8 million, or 3.21%, increase from the second quarter of 2023, and a $10.0 million, or 7.47%, decrease from the third quarter of 2022. The $3.8 million quarter-over-quarter increase in net interest income was primarily due to a nine basis point increase in net interest margin. The decline in net interest income compared to the third quarter of 2022 was due to a $484.2 million decrease in average earning assets and a 15 basis point decrease in net interest margin.

The third quarter of 2023 included $2.0 million in provision for credit losses, compared to $500,000 in provision for credit losses in the second quarter of 2023 and $2.0 million in the third quarter of 2022. The year-to-date provision for credit losses of $4.0 million was the result of an overall increase in projected loss rates from 0.94% at the end of 2022 to 1.00% at September 30, 2023. The increase in projected loss rates continues to be driven primarily by a deteriorating economic forecast that assumes modest recession in early 2024 with modest overall GDP growth through 2025, as well as lower commercial real estate values and an increase in the rate of unemployment. Our forecast reflects GDP growth of 2.1% for all of 2023, 0.3% in 2024 and 1.1% in 2025. Unemployment is forecasted to be 3.8% in 2023, 5.2% in 2024 and 5.7% in 2025.

In June 2023, fair value hedging transactions were executed in which $1 billion notional pay-fixed interest rate swaps were consummated with maturities ranging from four to five years, wherein the Company pays a weighted average fixed rate of approximately 3.8% and receives daily SOFR. The fair value of these instruments totaled $24.9 million on September 30, 2023. These instruments generated interest income of $3.8 million for the third quarter of 2023, compared to $446,000 for the second quarter of 2023. Refer to Note 10 – Derivative Financial Instruments of the notes to the unaudited condensed consolidated financial statements of this report for additional information.

At September 30, 2023, total assets of $15.90 billion decreased by $573.5 million, or 3.48%, from total assets of $16.48 billion at December 31, 2022. Interest-earning assets of $14.33 billion at September 30, 2023 decreased by $644.7 million, or 4.31%, when compared with $14.97 billion at December 31, 2022. The decrease in interest-earning assets was primarily due to a $446.9 million decrease in investment securities and a $201.8 million decrease in total loans.

Total investment securities were $5.36 billion at September 30, 2023, a decrease of $446.9 million, or 7.69%, from $5.81 billion at December 31, 2022, primarily due to repayments and maturities. At September 30, 2023, investment securities held-to-maturity (“HTM”) totaled $2.49 billion, a decrease of $64.9 million, or 2.54%, from December 31, 2022. At September 30, 2023, investment securities available-for-sale (“AFS”) totaled $2.87 billion, inclusive of a pre-tax net unrealized loss of $628.4 million. AFS securities decreased by $382.0 million, or 11.74%, from $3.26 billion December 31, 2022. Our tax equivalent yield on investments was 2.64% for the quarter ended September 30, 2023, compared to 2.37% for the second quarter of 2023 and 2.12% for the third quarter of 2022.

Total loans and leases, at amortized cost, of $8.88 billion at September 30, 2023 decreased by $201.8 million, or 2.22%, from December 31, 2022. After adjusting for seasonality of dairy & livestock loans, our core loans declined by $114.8 million, or 1.32%, from December 31, 2022. The $201.8 million decrease in total loans included decreases of $87.0 million in dairy & livestock loans, $41.9 million in commercial real estate loans, $25.2 million in construction loans, $10.6 million in commercial and industrial loans, $7.8 million in SBA loans, $5.9 million in PPP loans, and $24.9 million in consumer and other loans. Commercial and industrial line utilization was 27% at September 30, 2023, compared to 33% at the end of 2022. The decline in dairy & livestock loans primarily relates to the seasonal peak in line utilization at the end of every calendar year, demonstrated by a decline in utilization from 78% at December 31, 2022 to 73% at September 30, 2023. Our yield on loans was 5.07% for the quarter ended September 30, 2023, compared to 5.01% for the second quarter of 2023 and 4.56% for the third quarter of 2022. Loan yields, excluding the impact of PPP loans and discount accretion from acquired loans, increased from 4.42% in the third quarter of 2022 to 5.02% in the third quarter of 2023. This 60 basis point increase in our core loan yields year-over-year was the result of recent increases in interest rates, highlighted by the 525 basis point increase in the Fed Funds rate since the end of the first quarter of 2022.

39

The allowance for credit losses totaled $89.0 million at September 30, 2023, compared to $85.1 million at December 31, 2022. The $4.0 million provision for credit losses in the first nine months of 2023 was the result of an overall increase in projected loss rates from 0.94% at the end of 2022 to 1.00% at September 30, 2023. The increase in projected loss rates continues to be driven primarily by a deteriorating economic forecast that assumes modest GDP growth through 2024, as well as lower commercial real estate values and an increase in the rate of unemployment.

Since March of 2022 to September of 2023, the Federal Reserve has increased the Federal Funds rate by 525 basis points to the target range of 5.25% to 5.50%. In comparison to the rising Federal Funds rate, our average cost of deposits has increased from 5 basis points for the third quarter of 2022 to 52 basis points for the third quarter of 2023. The change in market interest rates that has resulted from the Federal Reserve's monetary policies has impacted the availability of higher interest rates on short-term alternatives to deposits, such as money market mutual funds and treasury notes. These higher yielding alternatives, as well as overall inflationary increases on spending, have impacted our deposit levels over the last year.

Noninterest-bearing deposits of $7.59 billion at September 30, 2023, decreased $577.7 million, or 7.08% when compared to $8.16 billion at December 31, 2022. At September 30, 2023, noninterest-bearing deposits were 61.39% of total deposits, compared to 63.60% at December 31, 2022. Higher interest rates that have resulted from the Federal Reserve’s significant increase in the federal funds rate over the last year have continued to impact deposit levels, including approximately $720 million of funds on deposit at the end of 2022 that were transferred from the Bank’s balance sheet by customers to be invested by Citizens Trust in higher yielding instruments such as United States treasury notes or bonds.

Interest-bearing deposits were $4.77 billion at September 30, 2023, an increase of $100.3 million, or 2.15%, when compared to $4.67 billion at December 31, 2022. Customer repurchase agreements totaled $269.6 million at September 30, 2023, compared to $565.4 million at December 31, 2022. Our average cost of total deposits including customer repurchase agreements was 0.51% for the quarter ended September 30, 2023, compared to 0.35% for the quarter ended June 30, 2023 and 0.05% for the third quarter of 2022.

At September 30, 2023, total short-term borrowings of $1.12 billion consisted of $870 million of one-year advances from the Federal Reserve’s Bank Term Funding Program, at a cost of 4.87% and $250 million of short-term Federal Home Loan Bank ("FHLB") advances, at an average cost of approximately 5%. Borrowings decreased $375 million from the end of the second quarter of 2023 to the end of the third quarter of 2023, as cash balances were drawn down by $378 million over the same time period. We continued to shrink our investment portfolio resulting in a decline of $446.9 million from December 31, 2022. Short-term borrowings increased $125 million from $995.0 million at December 31, 2022. We had $1.32 billion in average short-term borrowings at a cost of 4.84% for the third quarter of 2023, compared to $1.53 billion in the second quarter of 2023 at a cost of 4.90%. These short-term borrowings and an increase in the cost of deposits and customer repurchase agreements from 35 basis points in the second quarter of 2023 to 51 basis points in the third quarter of 2023, increased our cost of funds by nine basis points to 0.92% for the third quarter of 2023.

The Company’s total equity was $1.95 billion at September 30, 2023. This represented an overall increase of $2.9 million from total equity of $1.95 billion at December 31, 2022. Increases to equity included $172.9 million in net earnings, partially offset by a $72.3 million decrease in other comprehensive income. At the end of the second quarter of 2023, we entered into pay-fixed rate swaps to mitigate the risks of rising interest rates on our AFS securities portfolio. This resulted in a fair value remeasurement of this swap derivative at September 30, 2023, resulting in an after tax increase in other comprehensive income of $17.6 million. Decreases from December 31, 2022 included $83.7 million in cash dividends. We engaged in no stock repurchases during the second and third quarters of 2023, compared to the first quarter of 2023, when we repurchased, under our 10b5-1 stock repurchase plan, 791,800 shares of common stock, at an average repurchase price of $23.43, totaling $18.5 million. This 10b5-1 plan expired on March 2, 2023 and no new plan has been put in place since that time. Our tangible book value per share at September 30, 2023 was $8.39.

Our capital ratios under the revised capital framework referred to as Basel III remain well-above regulatory requirements. As of September 30, 2023, the Company’s Tier 1 leverage capital ratio was 10.00%, common equity Tier 1 ratio was 14.38%, Tier 1 risk-based capital ratio was 14.38%, and total risk-based capital ratio was 15.25%. Refer to our Analysis of Financial Condition – Capital Resources.

40

ANALYSIS OF THE RESULTS OF OPERATIONS

Financial Performance

	Three Months Ended						Variance
	September 30,			June 30,
	2023			2023			$			%
	(Dollars in thousands, except per share amounts)
Net interest income	$	123,371		$	119,535		$	3,836			3.21	%
Provision for credit losses		(2,000	)		(500	)		(1,500	)		-300.00	%
Noninterest income		14,309			12,656			1,653			13.06	%
Noninterest expense		(55,058	)		(54,017	)		(1,041	)		-1.93	%
Income taxes		(22,735	)		(21,904	)		(831	)		-3.79	%
Net earnings	$	57,887		$	55,770		$	2,117			3.80	%
Earnings per common share:
Basic	$	0.42		$	0.40		$	0.02
Diluted	$	0.42		$	0.40		$	0.02
Return on average assets		1.40	%		1.36	%		0.04	%
Return on average shareholders' equity		11.33	%		11.03	%		0.30	%
Efficiency ratio		39.99	%		40.86	%		-0.87	%
Noninterest expense to average assets		1.33	%		1.32	%		0.01	%

	Three Months Ended
	September 30,						Variance
	2023			2022			$			%
	(Dollars in thousands, except per share amounts)
Net interest income	$	123,371		$	133,338		$	(9,967	)		-7.47	%
Provision for credit losses		(2,000	)		(2,000	)		—			0.00	%
Noninterest income		14,309			11,590			2,719			23.46	%
Noninterest expense		(55,058	)		(53,027	)		(2,031	)		-3.83	%
Income taxes		(22,735	)		(25,262	)		2,527			10.00	%
Net earnings	$	57,887		$	64,639		$	(6,752	)		-10.45	%
Earnings per common share:
Basic	$	0.42		$	0.46		$	(0.04	)
Diluted	$	0.42		$	0.46		$	(0.04	)
Return on average assets		1.40	%		1.52	%		-0.12	%
Return on average shareholders' equity		11.33	%		12.72	%		-1.39	%
Efficiency ratio		39.99	%		36.59	%		3.40	%
Noninterest expense to average assets		1.33	%		1.25	%		0.08	%

	Nine Months Ended
	September 30,						Variance
	2023			2022			$			%
	(Dollars in thousands, except per share amounts)
Net interest income	$	368,634		$	368,118		$	516			0.14	%
Provision for credit losses		(4,000	)		(8,100	)		4,100			50.62	%
Noninterest income		40,167			37,524			2,643			7.04	%
Noninterest expense		(163,956	)		(162,136	)		(1,820	)		-1.12	%
Income taxes		(67,918	)		(66,149	)		(1,769	)		-2.67	%
Net earnings	$	172,927		$	169,257		$	3,670			2.17	%
Earnings per common share:
Basic	$	1.24		$	1.20		$	0.04
Diluted	$	1.24		$	1.20		$	0.04
Return on average assets		1.41	%		1.32	%		0.09	%
Return on average shareholders' equity		11.50	%		10.69	%		0.81	%
Efficiency ratio		40.11	%		39.97	%		0.14	%
Noninterest expense to average assets		1.34	%		1.27	%		0.07	%

41

Return on Average Tangible Common Equity Reconciliation (Non-GAAP)

The return on average tangible common equity is a non-GAAP disclosure. The Company uses certain non-GAAP financial measures to provide supplemental information regarding the Company's performance. The following is a reconciliation of net income, adjusted for tax-effected amortization of intangibles, to net income computed in accordance with GAAP; a reconciliation of average tangible common equity to the Company's average stockholders' equity computed in accordance with GAAP; as well as a calculation of return on average tangible common equity.

	Three Months Ended									Nine Months Ended
	September 30,			June 30,			September 30,			September 30,			September 30,
	2023			2023			2022			2023			2022
	(Dollars in thousands)
Net Income	$	57,887		$	55,770		$	64,639		$	172,927		$	169,257
Add: Amortization of intangible assets		1,567			1,719			1,846			5,006			5,842
Less: Tax effect of amortization of intangible assets (1)		(463	)		(508	)		(546	)		(1,480	)		(1,727	)
Tangible net income	$	58,991		$	56,981		$	65,939		$	176,453		$	173,372
Average stockholders' equity	$	2,027,030		$	2,027,708		$	2,016,198		$	2,011,172		$	2,116,164
Less: Average goodwill		(765,822	)		(765,822	)		(765,822	)		(765,822	)		(763,578	)
Less: Average intangible assets		(17,526	)		(19,298	)		(24,396	)		(19,256	)		(26,308	)
Average tangible common equity	$	1,243,682		$	1,242,588		$	1,225,980		$	1,226,094		$	1,326,278
Return on average equity, annualized		11.33	%		11.03	%		12.72	%		11.50	%		10.69	%
Return on average tangible common equity, annualized		18.82	%		18.39	%		21.34	%		19.24	%		17.48	%

(1)Tax effected at respective statutory rates.

Net Interest Income

The principal component of our earnings is net interest income, which is the difference between the interest and fees earned on loans, investments and interest earning cash (interest-earning assets) and the interest paid on deposits and borrowed funds (interest-bearing liabilities). Net interest margin is net interest income as a percentage of average interest-earning assets for the period. The level of interest rates and the volume and mix of interest-earning assets and interest-bearing liabilities impact net interest income and net interest margin. The net interest spread is the yield on average interest-earning assets minus the cost of average interest-bearing liabilities. Net interest margin and net interest spread are included on a tax equivalent (TE) basis by adjusting interest income utilizing the federal statutory tax rates of 21% in effect for the three and nine months ended September 30, 2023 and 2022. Our net interest income, interest spread, and net interest margin are sensitive to general business and economic conditions. These conditions include short-term and long-term interest rates, inflation, monetary policy, and the strength of the global, national and state economies, in general, and more specifically, the local economies in which we conduct business. Our ability to manage net interest income during changing interest rate environments will have a significant impact on our overall performance. We manage net interest income through affecting changes in the mix of interest-earning assets as well as the mix of interest-bearing liabilities, changes in the level of interest-bearing liabilities in proportion to interest-earning assets, the growth and maturity of earning assets, and derivative financial instruments. See Item 2 – Management’s Discussion and Analysis of Financial Condition and Results of Operations – Asset/Liability and Market Risk Management – Interest Rate Sensitivity Management included herein.

42

The tables below present the interest rate spread, net interest margin and the composition of average interest-earning assets and average interest-bearing liabilities by category for the periods indicated, including the changes in average balance, composition, and average yield/rate between these respective periods.

	Three Months Ended September 30,
	2023							2022
	Average				Yield/			Average				Yield/
	Balance		Interest		Rate			Balance		Interest		Rate
	(Dollars in thousands)
INTEREST-EARNING ASSETS
Investment securities (1)
Available-for-sale securities:
Taxable	$	3,015,614	$	22,272		2.95	%	$	3,550,602	$	18,371		2.08	%
Tax-advantaged		25,351		169		3.19	%		26,047		172		3.16	%
Held-to-maturity securities:
Taxable		2,121,571		11,139		2.10	%		2,136,750		10,845		2.04	%
Tax-advantaged		380,054		2,437		3.10	%		320,297		1,989		3.05	%
Investment in FHLB stock		21,560		598		11.00	%		18,012		258		5.68	%
Interest-earning deposits with other institutions		473,391		6,422		5.38	%		633,152		3,476		2.18	%
Loans (2)		8,862,462		113,190		5.07	%		8,699,303		100,077		4.56	%
Total interest-earning assets		14,900,003		156,227		4.18	%		15,384,163		135,188		3.51	%
Total noninterest-earning assets		1,533,575							1,487,725
Total assets	$	16,433,578						$	16,871,888
INTEREST-BEARING LIABILITIES
Savings deposits (3)	$	4,459,967	$	15,670		1.39	%	$	4,849,177	$	1,725		0.14	%
Time deposits		309,930		847		1.08	%		357,210		3		0.00	%
Total interest-bearing deposits		4,769,897		16,517		1.37	%		5,206,387		1,728		0.13	%
FHLB advances, other borrowings, and customer    repurchase agreements		1,658,907		16,339		3.91	%		515,143		122		0.09	%
Interest-bearing liabilities		6,428,804		32,856		2.03	%		5,721,530		1,850		0.13	%
Noninterest-bearing deposits		7,813,120							9,009,962
Other liabilities		164,624							124,198
Stockholders' equity		2,027,030							2,016,198
Total liabilities and stockholders' equity	$	16,433,578						$	16,871,888
Net interest income			$	123,371						$	133,338
Net interest spread - tax equivalent						2.15	%						3.38	%
Net interest margin						3.29	%						3.45	%
Net interest margin - tax equivalent						3.31	%						3.46	%

(1)Includes tax equivalent (TE) adjustments utilizing federal statutory rates of 21% in effect for the three months ended September 30, 2023 and 2022. The non TE rates were 2.60% and 2.09% for the three months ended September 30, 2023 and 2022, respectively.

(2)Includes loan fees of $763,000 million and $1.7 million for the three months ended September 30, 2023 and 2022, respectively. Prepayment penalty fees of $373,000 and $1.7 million are included in interest income for the three months ended September 30, 2023 and 2022, respectively.

(3)Includes interest-bearing demand and money market accounts.

43

	Nine Months Ended September 30,
	2023							2022
	Average				Yield/			Average				Yield/
	Balance		Interest		Rate			Balance		Interest		Rate
	(Dollars in thousands)
INTEREST-EARNING ASSETS
Investment securities (1)
Available-for-sale securities:
Taxable	$	3,113,643	$	60,887		2.61	%	$	3,592,033	$	47,883		1.81	%
Tax-advantaged		25,726		506		3.14	%		27,950		534		3.05	%
Held-to-maturity securities:
Taxable		2,143,195		33,939		2.11	%		2,059,798		29,927		1.95	%
Tax-advantaged		381,604		7,333		3.10	%		292,552		5,284		2.94	%
Investment in FHLB stock		27,460		1,430		6.96	%		18,315		902		6.58	%
Interest-earning deposits with other institutions		293,203		11,583		5.28	%		1,030,806		5,712		0.74	%
Loans (2)		8,905,697		332,574		4.99	%		8,612,166		282,308		4.38	%
Total interest-earning assets		14,890,528		448,252		4.04	%		15,633,620		372,550		3.21	%
Total noninterest-earning assets		1,522,286							1,452,100
Total assets	$	16,412,814						$	17,085,720
INTEREST-BEARING LIABILITIES
Savings deposits (3)	$	4,327,906	$	31,268		0.97	%	$	4,939,005	$	3,914		0.11	%
Time deposits		296,942		1,379		0.62	%		366,783		142		0.05	%
Total interest-bearing deposits		4,624,848		32,647		0.94	%		5,305,788		4,056		0.10	%
FHLB advances, other borrowings, and customer    repurchase agreements		1,734,999		46,971		3.62	%		591,641		376		0.08	%
Interest-bearing liabilities		6,359,847		79,618		1.67	%		5,897,429		4,432		0.10	%
Noninterest-bearing deposits		7,908,749							8,885,637
Other liabilities		133,046							186,490
Stockholders' equity		2,011,172							2,116,164
Total liabilities and stockholders' equity	$	16,412,814						$	17,085,720
Net interest income			$	368,634						$	368,118
Net interest spread - tax equivalent						2.36	%						3.11	%
Net interest margin						3.31	%						3.16	%
Net interest margin - tax equivalent						3.32	%						3.17	%

(1)Includes tax equivalent (TE) adjustments utilizing federal statutory rates of 21% in effect for the nine months ended September 30, 2023 and 2022. The non TE rates were 2.42% and 1.89% for the nine months ended September 30, 2023 and 2022 respectively.

(2)Includes loan fees of $2.4 million and $7.1 million for nine months ended September 30, 2023 and 2022, respectively. Prepayment penalty fees of $1.6 million and $6.3 million are included in interest income for the nine months ended September 30, 2023 and 2022, respectively.

(3)Includes interest-bearing demand and money market accounts.

The following table presents a comparison of interest income and interest expense resulting from changes in the volumes and rates on average interest-earning assets and average interest-bearing liabilities for the periods indicated. Changes in interest income or expense attributable to volume changes are calculated by multiplying the change in volume by the initial average interest rate. The change in interest income or expense attributable to changes in interest rates is calculated by multiplying the change in interest rate by the initial volume. The changes attributable to interest rate and volume changes are calculated by multiplying the change in rate times the change in volume and reflect an adjustment for the number of days as appropriate.

44

Rate and Volume Analysis for Changes in Interest Income, Interest Expense and Net Interest Income

	Comparison of Three Months Ended September 30,
	2023 Compared to 2022
	Increase (Decrease) Due to
						Rate/
	Volume			Rate		Volume			Total
	(Dollars in thousands)
Interest income:
Available-for-sale securities:
Taxable investment securities	$	(2,739	)	$	7,790	$	(1,150	)	$	3,901
Tax-advantaged investment securities		(5	)		2		—			(3	)
Held-to-maturity securities:
Taxable investment securities		(45	)		343		(4	)		294
Tax-advantaged investment securities		413			32		3			448
Investment in FHLB stock		51			242		47			340
Interest-earning deposits with other institutions		(877	)		5,113		(1,290	)		2,946
Loans		1,877			11,031		205			13,113
Total interest income		(1,325	)		24,553		(2,189	)		21,039
Interest expense:
Savings deposits		(138	)		15,312		(1,229	)		13,945
Time deposits		—			973		(129	)		844
FHLB advances, other borrowings, and    customer repurchase agreements		271			4,952		10,994			16,217
Total interest expense		133			21,237		9,636			31,006
Net interest income	$	(1,458	)	$	3,316	$	(11,825	)	$	(9,967	)

	Comparison of Nine Months Ended September 30,
	2023 Compared to 2022
	Increase (Decrease) Due to
						Rate/
	Volume			Rate		Volume			Total
	(Dollars in thousands)
Interest income:
Available-for-sale securities:
Taxable investment securities	$	(7,393	)	$	27,991	$	(7,594	)	$	13,004
Tax-advantaged investment securities		(57	)		21		8			(28	)
Held-to-maturity securities:
Taxable investment securities		1,837			3,359		(1,184	)		4,012
Tax-advantaged investment securities		2,243			371		(565	)		2,049
Investment in FHLB stock		602			69		(143	)		528
Interest-earning deposits with other institutions		(5,465	)		46,808		(35,472	)		5,871
Loans		12,864			52,549		(15,147	)		50,266
Total interest income		4,631			131,168		(60,097	)		75,702
Interest expense:
Savings deposits		(647	)		42,475		(14,474	)		27,354
Time deposits		(36	)		2,088		(815	)		1,237
FHLB advances, other borrowings, and    customer repurchase agreements		971			20,912		24,712			46,595
Total interest expense		288			65,475		9,423			75,186
Net interest income	$	4,343		$	65,693	$	(69,520	)	$	516

45

Third Quarter of 2023 Compared to the Third Quarter of 2022

Net interest income, before provision for credit losses, of $123.4 million for the third quarter of 2023 decreased by $10.0 million, or 7.47%, from the third quarter of 2022. The decline in net interest income compared to the third quarter of 2022 was primarily due to a $484.2 million decrease in average earning assets and a 15 basis point decrease in the net interest margin.

Total interest income was $156.2 million for the third quarter of 2023, which was $21.0 million, or 15.56%, higher than the same period of 2022. This increase was primarily due to a 67 basis point expansion of the yield on earning assets, which offset a $484.2 million decline in average interest-earning assets. Total interest income and fees on loans for the third quarter of 2023 was $113.2 million, an increase of $13.1 million, or 13.10%, from the third quarter of 2022. Loan yields grew from 4.56% for the third quarter of 2022 to 5.07% for the third quarter of 2023, while average loans also grew by $163.2 million. Interest income from investment securities was $36.0 million, an increase of $4.6 million, or 14.79%, from the third quarter of 2022. The increase was a result of a 52 basis point increase in security yields, offset by investment securities declining on average by $491.1 million. The 52 basis point increase in the yield on investment securities from the prior year quarter was primarily due to the positive spread generated from the pay-fixed swaps, in which the Company receives daily SOFR and pays a weighted average fixed cost of approximately 3.8%. Average funds on deposit at the Federal Reserve also declined by $157.8 million.

In June 2023, fair value hedging transactions were executed in which $1.0 billion notional pay-fixed interest rate swaps were consummated with maturities ranging from four to five years in which the Company pays a weighted average fixed rate of approximately 3.8% and receives daily SOFR. The third quarter of 2023 included approximately $3.8 million of interest income associated with these interest rate swaps. Refer to Note 10 – Derivative Financial Instruments of the notes to the unaudited condensed consolidated financial statements of this report for additional information.

Interest expense of $32.9 million for the third quarter of 2023 increased $31.0 million, compared to the third quarter of 2022. Total cost of funds of 0.92% for the third quarter of 2023 increased from 0.05% for the year ago quarter. This 87 basis point increase in cost of funds was the result of a 124 basis point increase in the cost of interest-bearing deposits and an average cost of 4.84% on $1.32 billion of short-term borrowings for the third quarter of 2023. On average, noninterest-bearing deposits were 62.09% of total deposits for the third quarter of 2023, compared to 63.38% for the third quarter of 2022.

46

Nine Months of 2023 Compared to Nine Months of 2022

Net interest income, before provision for credit losses, was $368.6 million for the nine months ended September 30, 2023, an increase of $516,000, or 0.14%, compared to $368.1 million for the same period of 2022. Interest-earning assets decreased on average by $743.1 million, or 4.75%, from $15.63 billion for the nine months ended September 30, 2022 to $14.89 billion for the same period in the current year. Our net interest margin (TE) was 3.32% for the first nine months of 2023, compared to 3.17% for the same period of 2022.

Interest income for the nine months ended September 30, 2023, was $448.2 million, which represented a $75.7 million, or 20.32%, increase when compared to the same period of 2022. Compared to the first nine months of 2022, average interest-earning assets decreased by $743.1 million and the yield on interest-earning assets increased by 83 basis points. The $743.1 million year-over-year decrease in earning assets resulted from a $736.1 million decrease in average earning balances due from the Federal Reserve and a decline of $308.2 million in average investment securities, offset by $293.5 million of growth in average loans. The 83 basis point increase in the earning asset yield over the first nine months of 2022 resulted from a 61 basis point increase in loan yields, from 4.38% for the first nine months of 2022 to 4.99% for the same period of 2023, as well as a change in the mix of earning assets. Average loans as a percentage of earning assets grew from 55.09% for the first nine months of 2022 to 59.81% for the first nine months of 2023. Average investments as a percentage of earning assets decreased to 38.04% for the first nine months of 2023 from 38.20% for the same period of 2022. The tax-equivalent yield on investment securities was 2.46% for the nine months ended September 30, 2023, compared to 1.92% for the same period of 2022.

Total interest income and fees on loans for the first nine months of 2023 of $332.6 million increased $50.3 million, or 17.81%, when compared to the same period of 2022. This increase in income was partly due to growth in average loans of $293.5 million. Discount accretion on acquired loans decreased by $3.2 million and interest and fee income from PPP loans declined by $5.2 million compared to the same period of 2022. After excluding discount accretion and the impact from PPP loans, our core loan yields grew by 70 basis points compared to the first nine months of 2022. Core loan yields grew year-over-year, as rising interest rates contributed to an increase in yields from 4.38% for the first nine months of 2022 to 4.99% for the same period of 2023.

Interest income from investment securities of $102.7 million for the nine months ended September 30, 2023, increased $19.0 million from $83.6 million for the first nine months of 2022. This increase was driven by a 54 basis point increase in the yield on securities, compared to the first nine months of 2022. This 54 basis point increase in the yield on investment securities from the prior year period was primarily due to the positive spread generated from the pay-fixed swaps we entered into at the end of the second quarter of 2023. Average investment securities declined from the first nine months of 2022 by $308.2 million.

At the end of the second quarter of 2023, we entered into pay-fixed rate swaps to mitigate the risks of rising interest rates on our AFS securities portfolio. The nine months ended September 30, 2023 included approximately $4.2 million of interest income associated with these interest rate swaps.

Interest expense of $79.6 million for the nine months ended September 30, 2023, increased by $75.2 million from the same period of 2022. The average rate paid on interest-bearing liabilities increased by 157 basis points, to 1.67% for the first nine months of 2023, from 0.10% for the same period of 2022. Likewise, the rate on interest-bearing deposits for the first nine months of 2023 increased by 84 basis points from the same period in 2022. Average interest-bearing deposits declined by $680.9 million when compared to the first nine months of 2022. Total cost of funds for the first nine months of 2023 was 0.75%, compared with 0.04% for the same period of 2022. This 75 basis point increase in cost of funds was the result of the increase in the cost of interest-bearing deposits and the addition of $1.27 billion of short-term borrowings, on average, for the nine months ended September 30, 2023, at an average cost of 4.86%. Average noninterest-bearing deposits represented 63.10% of our total deposits for the nine months ended September 30, 2023, compared to 62.61% for the same period of 2022.

47

Provision for (Recapture of) Credit Losses

The provision for (recapture of) credit losses is a charge to earnings to maintain the allowance for credit losses at a level consistent with management’s assessment of expected lifetime losses in the loan portfolio as of the balance sheet date.

The third quarter of 2023 included $2.0 million in provision for credit losses, compared to $2.0 million in the third quarter of 2022. The year-to-date provision for credit losses of $4.0 million was the result of an overall increase in projected loss rates from 0.94% at the end of 2022 to 1.00% at September 30, 2023. The increase in projected loss rates continues to be driven primarily by a deteriorating economic forecast that assumes modest GDP growth through 2024, as well as lower commercial real estate values and an increase in the rate of unemployment. Refer to the discussion of “Allowance for Credit Losses” in Item 2 – Management’s Discussion and Analysis of Financial Condition and Results of Operations contained herein for discussion concerning observed changes in the credit quality of various components of our loan portfolio as well as changes and refinements to our methodology.

For the nine months ended September 30, 2023, we recorded $4.0 million in provision for credit losses, and experienced credit charge-offs of $224,000 and total recoveries of $102,000, resulting in net charge-offs of $122,000. For the nine months ended September 30, 2022, we recorded $8.1 million in provision for credit losses, and experienced credit charge-offs of $70,000 and total recoveries of $947,000, resulting in net recoveries of $877,000. Refer to the discussion of “Allowance for Credit Losses” in Item 2 – Management’s Discussion and Analysis of Financial Condition and Results of Operations contained herein for discussion concerning observed changes in the credit quality of various components of our loan portfolio as well as changes and refinements to our methodology.

No assurance can be given that economic conditions which affect the Company’s service areas or other circumstances will or will not be reflected in future changes in the level of our allowance for credit losses and the resulting provision or recapture of provision for credit losses. The process to estimate the allowance for credit losses requires considerable judgment and our economic forecasts may continue to vary due to the uncertainty of the future impact that the pandemic, geopolitical events in Europe, and overall supply chain issues may have on our business and customers. See “Allowance for Credit Losses” under Analysis of Financial Condition herein.

Noninterest Income

Noninterest income includes income derived from financial services offered to our customers, such as CitizensTrust, BankCard services, international banking, and other business services. Also included in noninterest income are service charges and fees, primarily from deposit accounts, gains (net of losses) from the disposition of investment securities, loans, other real estate owned, and fixed assets, and other revenues not included as interest on earning assets.

The following table sets forth the various components of noninterest income for the periods presented.

	Three Months Ended										Nine Months Ended
	September 30,				Variance						September 30,				Variance
	2023		2022		$			%			2023		2022		$			%
	(Dollars in thousands)
Noninterest income:
Service charges on deposit  accounts	$	5,062	$	5,233	$	(171	)		-3.27	%	$	15,244	$	15,625	$	(381	)		-2.44	%
Trust and investment services		3,246		2,867		379			13.22	%		9,475		8,651		824			9.52	%
Bankcard services		354		376		(22	)		-5.85	%		1,221		1,102		119			10.80	%
BOLI income		1,548		1,987		(439	)		-22.09	%		4,834		3,939		895			22.72	%
Swap fee income		—		—		—		—				632		—		632		—
Gain/(loss) on sale of other investments		2,575		—		2,575		—				2,575		—		2,575		—
Other		1,524		1,127		397			35.23	%		6,186		8,207		(2,021	)		-24.63	%
Total noninterest income	$	14,309	$	11,590	$	2,719			23.46	%	$	40,167	$	37,524	$	2,643			7.04	%

Third Quarter of 2023 Compared to the Third Quarter of 2022

Noninterest income was $14.3 million for the third quarter of 2023, compared with $11.6 million for the third quarter of 2022. The third quarter of 2023 included approximately $2.6 million in gain from an equity fund distribution related to a CRA investment, partially offset by a $222,000 decrease in CRA investment income due to underlying asset valuation declines. Compared to the third quarter of 2022, BOLI income decreased $439,000.

48

Trust and Investment Services represents our CitizensTrust group. The CitizensTrust group is made up of wealth management and investment services. They provide a variety of services, which include asset management, financial planning, estate planning, retirement planning, private and corporate trustee services, and probate services. Investment Services provides self-directed brokerage, 401(k) plans, mutual funds, insurance and other non-insured investment products. At September 30, 2023, CitizensTrust had approximately $3.92 billion in assets under management and administration, including $2.67 billion in assets under management. CitizensTrust generated fees of $3.2 million for the third quarter of 2023, compared to $2.9 million for the same period of 2022.

The Bank’s investment in BOLI includes life insurance policies acquired through acquisitions and the purchase of life insurance by the Bank on a select group of employees to fund deferred compensation plans. The Bank is the owner and beneficiary of these policies. BOLI is recorded as an asset at its cash surrender value. Increases in the cash value of these policies, as well as insurance proceeds received, are recorded in noninterest income and are not subject to income tax, as long as they are held for the life of the covered parties. BOLI income decreased $439,000 compared to the third quarter of 2022 due to both the death benefits received in the third quarter of 2022, offset by higher returns for the underlying investments in separate fund life insurance policies used to fund deferred compensation plans. The third quarter of 2022 included $1.8 million in death benefits that exceeded the asset value of certain policy values, which was offset by a $1.0 million decline in the market value of separate account life insurance policies that are used to fund our deferred compensation liabilities.

The Bank also enters into interest rate swap agreements with our customers to manage our interest rate risk and enters into identical offsetting swaps with a counterparty. The changes in the fair value of these non-hedged swaps primarily offset each other resulting in swap fee income. Generally speaking, our volume of back-to-back interest rate swaps is impacted by the level and shape of the yield curve and the Bank's management of interest rate risk. There were no executed swap agreements related to new loan originations for the third quarter of 2023 and the third quarter of 2022. Refer to Note 10 – Derivative Financial Instruments of the notes to the unaudited condensed consolidated financial statements of this report for additional information.

Nine Months of 2023 Compared to Nine Months of 2022

The first nine months of 2023 included approximately $2.6 million of income from an equity fund distribution related to a CRA investment. The $895,000 increase in BOLI income was primarily due to higher returns for the underlying investments in separate fund life insurance policies used to fund deferred compensation plans and the $806,000 in death benefits received in 2023 compared to the $1.8 million in death benefits received in 2022. The remaining LIBOR indexed swaps that were not converted to term SOFR in the first quarter of 2023 were converted during the second quarter of 2023, generating fee income of approximately $100,000. The nine months ended September 30, 2022 included $2.7 million in net gains from the sale of properties associated with banking centers. Trust and investment fees grew by $824,000 or 9.52% due to increased assets under management.

49

Noninterest Expense

The following table summarizes the various components of noninterest expense for the periods presented.

	Three Months Ended												Nine Months Ended
	September 30,						Variance						September 30,						Variance
	2023			2022			$			%			2023			2022			$			%
	(Dollars in thousands)
Noninterest expense:
Salaries and employee benefits	$	34,744		$	33,233		$	1,511			4.55	%	$	103,539		$	97,442		$	6,097			6.26	%
Occupancy		4,730			4,926			(196	)		-3.98	%		13,915			13,957			(42	)		-0.30	%
Equipment		888			853			35			4.10	%		2,670			2,960			(290	)		-9.80	%
Professional services		2,117			2,438			(321	)		-13.17	%		6,375			6,788			(413	)		-6.08	%
Computer software expense		3,648			3,243			405			12.49	%		10,372			10,141			231			2.28	%
Marketing and promotion		1,628			1,488			140			9.41	%		4,664			4,584			80			1.75	%
Amortization of intangible assets		1,567			1,846			(279	)		-15.11	%		5,006			5,842			(836	)		-14.31	%
Telecommunications expense		496			576			(80	)		-13.89	%		1,518			1,646			(128	)		-7.78	%
Regulatory assessments		2,181			1,368			813			59.43	%		6,417			4,136			2,281			55.15	%
Insurance		504			486			18			3.70	%		1,515			1,468			47			3.20	%
Loan expense		364			227			137			60.35	%		845			766			79			10.31	%
OREO expense		—			—			—		—				—			(3	)		3			100.00	%
(Recapture of) provision for    unfunded loan commitments		(900	)		—			(900	)	—				—			—			—		—
Directors' expenses		361			342			19			5.56	%		870			1,071			(201	)		-18.77	%
Stationery and supplies		280			250			30			12.00	%		773			716			57			7.96	%
Acquisition related expenses		—			—			—		—				—			6,013			(6,013	)		-100.00	%
Other		2,450			1,751			699			39.92	%		5,477			4,609			868			18.83	%
Total noninterest expense	$	55,058		$	53,027		$	2,031			3.83	%	$	163,956		$	162,136		$	1,820			1.12	%
Noninterest expense to average    assets		1.33	%		1.25	%								1.34	%		1.27	%
Efficiency ratio (1)		39.99	%		36.59	%								40.11	%		39.97	%

(1)Noninterest expense divided by net interest income before provision for credit losses plus noninterest income.

Our ability to control noninterest expenses in relation to asset growth can be measured in terms of total noninterest expenses as a percentage of average assets. Noninterest expense as a percentage of average assets was 1.33% for the third quarter of 2023, compared to 1.25% for the third quarter of 2022.

Our ability to control noninterest expenses in relation to the level of total revenue (net interest income before provision for credit losses plus noninterest income) can be measured by the efficiency ratio and indicates the percentage of net revenue that is used to cover expenses. The efficiency ratio was 39.99% for the third quarter of 2023, compared to 36.59% for the third quarter of 2022.

Third Quarter of 2023 Compared to the Third Quarter of 2022

Noninterest expense for the third quarter of 2023 was $55.0 million, compared to $53.0 million for the third quarter of 2022. The $2.0 million increase in noninterest expense year-over-year included an increase of $1.5 million in salaries and employee benefits and an increase in regulatory assessments of approximately $800,000. The increase in salary and benefit expense included a 3.5% or approximately $840,000 increase in salary expense, combined with an $800,000 decline in the contra expense for deferred origination costs.

Nine Months of 2023 Compared to Nine Months of 2022

Noninterest expense of $164.0 million for the first nine months of 2023 was $1.8 million higher than the prior year period. Year-over-year increases included $6.1 million in salaries and employee benefits primarily due to inflationary pressures on salary and benefits and a $2.3 million increase in regulatory assessments, offset by a $6.0 million decrease in acquisition expense. As a percentage of average assets, noninterest expense was 1.34% for the nine months ended September 30, 2023, compared to 1.27% for the same period of 2022. If acquisition expense is excluded, noninterest expense as a percentage of average assets was 1.22% for the first nine months of 2022. For the nine months ended September 30, 2023, the efficiency ratio was 40.11%, compared to 39.97% for the same period of 2022. Excluding acquisition expense, the efficiency ratio was 38.49% for the nine months ended September 30, 2022.

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Income Taxes

The Company’s effective tax rate for the three and nine months ended September 30, 2023 was 28.20%, compared to 28.10% for the three and nine months ended September 30, 2022, respectively. Our estimated annual effective tax rate varies depending upon the level of tax-advantaged income as well as available tax credits.

The Company’s effective tax rates are below the nominal combined Federal and State tax rate primarily as a result of tax-advantaged income from certain municipal security investments, municipal loans and leases and BOLI, as well as available tax credits for each period.

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ANALYSIS OF FINANCIAL CONDITION

Total assets of $15.90 billion at September 30, 2023 decreased by $573.5 million, or 3.48%, from total assets of $16.48 billion at December 31, 2022. Interest-earning assets of $14.33 billion at September 30, 2023 decreased by $644.7 million, or 4.31%, when compared with $14.97 billion at December 31, 2022. The decrease in interest-earning assets was primarily due to a $446.9 million decrease in investment securities and a $205.6 million decrease in net loans.

Total liabilities were $13.95 billion at September 30, 2023, a decrease of $576.4 million, or 3.97%, from total liabilities of $14.53 billion at December 31, 2022. Total deposits declined by $477.5 million, or 3.72%. Higher interest rates that have resulted from the Federal Reserve’s significant increase in the federal funds rate over the last year have continued to impact deposit levels, including $720 million of funds on deposit at the end of 2022 that transferred from the Bank's balance sheet by customers to CitizensTrust for investment in higher yielding securities such as treasury notes, including $170 million that were transferred in the current quarter. Short-term borrowings increased by $125.0 million from December 31, 2022. As of September 30, 2023, total short-term borrowings, consisted of $870 million of one-year advances from the Federal Reserve’s Bank Term Funding Program, at a cost of 4.87% and $250 million of short-term Federal Home Loan Bank advances, at an average cost of approximately 5%. Total equity increased $2.9 million to $1.95 at September 30, 2023, compared to total equity of $1.95 billion at December 31, 2022. Increases to equity included $172.9 million in net earnings, partially offset by a $72.3 million decrease in other comprehensive income. At the end of the second quarter of 2023, we entered into pay-fixed rate swaps to mitigate the risks of rising interest rates. This resulted in a fair value remeasurement of this swap derivative at September 30, 2023, resulting in an after tax increase in other comprehensive income of $17.6 million, resulting in an increase in other comprehensive income. Decreases from December 31, 2022 included $83.7 million in cash dividends. We engaged in no stock repurchases during the second and third quarters of 2023, compared to the first quarter of 2023, when we repurchased 791,800 shares of common stock, at an average repurchase price of $23.43, totaling $18.5 million. The Company's 10b5-1 stock repurchase plan expired on March 2, 2023 and no new plan has been put in place since that time.

Investment Securities

The Company maintains a portfolio of investment securities to provide interest income and to serve as a source of liquidity for its ongoing operations. We continued to shrink our investment portfolio. At September 30, 2023, total investment securities were $5.36 billion. This represented a decrease of $446.9 million, or 7.69%, from $5.81 billion at December 31, 2022. The overall decrease in investment securities was primarily due to a $382 million decline in our AFS securities. At September 30, 2023, our AFS investment securities totaled $2.87 billion, inclusive of a pre-tax net unrealized loss of $628.4 million. The after-tax unrealized loss reported in AOCI on AFS investment securities was $442.6 million. The changes in the net unrealized holding loss resulted primarily from fluctuations in market interest rates. At September 30, 2023, total HTM investment securities of $2.49 billion declined by approximately $65 million from December 31, 2022. For the nine months ended September 30, 2023 and 2022, repayments/maturities of investment securities totaled $358.6 million and $523.9 million, respectively. There were no investment securities sold during the third quarter of 2023 and 2022.

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The tables below set forth our investment securities AFS and HTM portfolio by type for the dates presented.

	September 30, 2023
	Amortized Cost		Gross Unrealized Holding Gain		Gross Unrealized Holding Loss			Fair Value		Total Percent
	(Dollars in thousands)
Investment securities available-for-sale:
Government agency/GSE	$	34,126	$	—	$	(17	)	$	34,109		1.19	%
Mortgage-backed securities		2,925,382		1		(488,759	)		2,436,624		84.81	%
CMO/REMIC		514,161		—		(136,663	)		377,498		13.13	%
Municipal bonds		26,799		23		(3,009	)		23,813		0.83	%
Other securities		1,119		—		—			1,119		0.04	%
Unallocated portfolio layer fair value basis adjustments (1)		24,868		—		(24,868	)		—		0.00	%
Total available-for-sale securities	$	3,526,455	$	24	$	(653,316	)	$	2,873,163		100.00	%
Investment securities held-to-maturity:
Government agency/GSE	$	534,814	$	—	$	(123,981	)	$	410,833		21.48	%
Mortgage-backed securities		673,413		—		(134,290	)		539,123		27.05	%
CMO/REMIC		812,006		—		(194,237	)		617,769		32.62	%
Municipal bonds		469,208		4		(67,619	)		401,593		18.85	%
Total held-to-maturity securities	$	2,489,441	$	4	$	(520,127	)	$	1,969,318		100.00	%

	December 31, 2022
	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	$	3,192,151	$	39	$	(403,049	)	$	2,789,141		85.68	%
CMO/REMIC		535,269		—		(95,966	)		439,303		13.50	%
Municipal bonds		26,797		67		(1,177	)		25,687		0.79	%
Other securities		1,080		—		—			1,080		0.03	%
Total available-for-sale securities	$	3,755,297	$	106	$	(500,192	)	$	3,255,211		100.00	%
Investment securities held-to-maturity:
Government agency/GSE	$	548,771	$	—	$	(114,343	)	$	434,428		21.48	%
Mortgage-backed securities		706,796		—		(105,867	)		600,929		27.67	%
CMO/REMIC		827,346		—		(131,730	)		695,616		32.39	%
Municipal bonds		471,388		913		(47,687	)		424,614		18.46	%
Total held-to-maturity securities	$	2,554,301	$	913	$	(399,627	)	$	2,155,587		100.00	%

As of September 30, 2023, approximately $32.0 million in U.S. government agency bonds are callable. The Agency CMO/REMIC securities are backed by agency-pooled collateral. Municipal bonds, which represented approximately 9% of the total investment portfolio, are predominately AA or higher rated securities.

53

The following table presents the Company’s available-for-sale investment securities, by investment category, in an unrealized loss position for which an allowance for credit losses has not been recorded as of September 30, 2023 and December 31, 2022.

	September 30, 2023
	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:
Government agency/GSE	$	34,109	$	(17	)	$	—	$	—		$	34,109	$	(17	)
Mortgage-backed securities		825		(16	)		2,435,125		(488,743	)		2,435,950		(488,759	)
CMO/REMIC		3		—			377,495		(136,663	)		377,498		(136,663	)
Municipal bonds		5,699		(451	)		16,948		(2,558	)		22,647		(3,009	)
Total available-for-sale securities	$	40,636	$	(484	)	$	2,829,568	$	(627,964	)	$	2,870,204	$	(628,448	)
Investment securities held-to-maturity:
Government agency/GSE	$	—	$	—		$	410,833	$	(123,981	)	$	410,833	$	(123,981	)
Mortgage-backed securities		—		—			539,123		(134,290	)		539,123		(134,290	)
CMO/REMIC		—		—			617,769		(194,237	)		617,769		(194,237	)
Municipal bonds		109,966		(7,127	)		288,267		(60,492	)		398,233		(67,619	)
Total held-to-maturity securities	$	109,966	$	(7,127	)	$	1,855,992	$	(513,000	)	$	1,965,958	$	(520,127	)

	December 31, 2022
	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	$	1,658,331	$	(187,842	)	$	1,129,257	$	(215,207	)	$	2,787,588	$	(403,049	)
CMO/REMIC		54,005		(4,796	)		385,295		(91,170	)		439,300		(95,966	)
Municipal bonds		24,507		(1,177	)		—		—			24,507		(1,177	)
Total available-for-sale securities	$	1,736,843	$	(193,815	)	$	1,514,552	$	(306,377	)	$	3,251,395	$	(500,192	)
Investment securities held-to-maturity:
Government agency/GSE		179,348		(39,866	)		255,080		(74,477	)		434,428		(114,343	)
Mortgage-backed securities		188,480		(9,042	)		412,449		(96,825	)		600,929		(105,867	)
CMO/REMIC		376,540		(60,598	)		319,076		(71,132	)		695,616		(131,730	)
Municipal bonds		312,702		(35,656	)		53,350		(12,031	)		366,052		(47,687	)
Total held-to-maturity securities	$	1,057,070	$	(145,162	)	$	1,039,955	$	(254,465	)	$	2,097,025	$	(399,627	)

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. Management determined that credit losses did not exist for securities in an unrealized loss position as of September 30, 2023 and December 31, 2022.

Refer to Note 5 – Investment Securities of the notes to the unaudited condensed consolidated financial statements of this report for additional information on our investment securities portfolio.

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Loans

Total loans and leases, at amortized cost, of $8.88 billion at September 30, 2023 decreased by $201.8 million, or 2.22%, from December 31, 2022. After adjusting for seasonality of dairy & livestock loans, our core loans declined by $114.8 million, or 1.32%, from December 31, 2022. The $201.8 million decrease in total loans included decreases of $87.0 million in dairy & livestock loans, $41.9 million in commercial real estate loans, $25.2 million in construction loans, $10.6 million in commercial and industrial loans, $7.8 million in SBA loans, $5.9 million in PPP loans, and $24.9 million in consumer and other loans. Commercial and industrial line utilization was 27% at September 30, 2023, compared to 33% at the end of 2022. The decline in dairy & livestock loans primarily relates to the seasonal peak in line utilization at the end of every calendar year, demonstrated by a decline in utilization from 78% at December 31, 2022 to 73% at September 30, 2023.

The following table presents our loan portfolio by type as of the dates presented.

Distribution of Loan Portfolio by Type

	September 30, 2023			December 31, 2022
	(Dollars in thousands)
Commercial real estate	$	6,843,059		$	6,884,948
Construction		63,022			88,271
SBA		283,124			290,908
SBA - Paycheck Protection Program (PPP)		3,233			9,087
Commercial and industrial		938,064			948,683
Dairy & livestock and agribusiness		351,463			433,564
Municipal lease finance receivables		75,621			81,126
SFR mortgage		268,171			266,024
Consumer and other loans		51,875			76,781
Total loans, at amortized cost		8,877,632			9,079,392
Less: Allowance for credit losses		(88,995	)		(85,117	)
Total loans and lease finance receivables, net	$	8,788,637		$	8,994,275

As of September 30, 2023, $509.2 million, or 7.44% of the total commercial real estate loans included loans secured by farmland, compared to $517.8 million, or 7.52%, at December 31, 2022. The loans secured by farmland included $133.2 million for loans secured by dairy & livestock land and $376.0 million for loans secured by agricultural land at September 30, 2023, compared to $140.5 million for loans secured by dairy & livestock land and $377.3 million for loans secured by agricultural land at December 31, 2022. As of September 30, 2023, dairy & livestock and agribusiness loans of $351.5 million were comprised of $301.5 million for dairy & livestock loans and $50.0 million for agribusiness loans, compared to $433.6 million comprised of $388.5 million of dairy & livestock loans and $45.1 million of agribusiness loans December 31, 2022.

Real estate loans are loans secured by conforming trust deeds on real property, including property under construction, land development, commercial property and single-family and multi-family residences. Our real estate loans are comprised of industrial, office, retail, medical, single family residences, multi-family residences, and farmland. Consumer loans include installment loans to consumers as well as home equity loans, auto and equipment leases and other loans secured by junior liens on real property. Municipal lease finance receivables are leases to municipalities. Dairy & livestock and agribusiness loans are loans to finance the operating needs of wholesale dairy farm operations, cattle feeders, livestock raisers and farmers.

.

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As of September 30, 2023, the Company had $205.9 million of total SBA 504 loans. SBA 504 loans include term loans to finance capital expenditures and for the purchase of commercial real estate. Initially the Bank provides two separate loans to the borrower representing a first and second lien on the collateral. The loan with the first lien is typically at a 50% advance to the acquisition costs and the second lien loan provides the financing for 40% of the acquisition costs with the borrower’s down payment of 10% of the acquisition costs. The Bank retains the first lien loan for its term and sells the second lien loan to the SBA subordinated debenture program. A majority of the Bank’s 504 loans are granted for the purpose of commercial real estate acquisition. As of September 30, 2023, the Company had $77.2 million of total SBA 7(a) loans that include a guarantee of payment from the SBA (typically 75% of the loan amount, but up to 90% in certain cases) in the event of default. The SBA 7(a) loans include revolving lines of credit (SBA Express) and term loans of up to ten (10) years to finance long-term working capital requirements, capital expenditures, and/or for the purchase or refinance of commercial real estate.

As of September 30, 2023, the Company had $63.0 million in construction loans. This represented 0.71% of total gross loans held-for-investment. Although our construction loans are located throughout our market footprint, the majority of construction loans consist of commercial land development and construction projects throughout California. There were no nonperforming construction loans at September 30, 2023.

Our loan portfolio is geographically disbursed throughout our marketplace. The following is the breakdown of our total held-for-investment commercial real estate loans, by region as of September 30, 2023.

	September 30, 2023
	Total Loans				Commercial Real Estate Loans
	(Dollars in thousands)
Los Angeles County	$	3,298,588	37.2	%	$	2,398,206	35.1	%
Central Valley and Sacramento		2,131,675	24.0	%		1,708,303	25.0	%
Orange County		1,123,168	12.7	%		703,971	10.3	%
Inland Empire		999,132	11.2	%		891,787	13.0	%
Central Coast		471,612	5.3	%		395,575	5.8	%
San Diego		336,651	3.8	%		338,110	4.9	%
Other California		154,574	1.7	%		90,674	1.3	%
Out of State		362,232	4.1	%		316,433	4.6	%
	$	8,877,632	100.0	%	$	6,843,059	100.0	%

The table below breaks down our commercial real estate portfolio.

	September 30, 2023
	Loan Balance		Percent			Percent Owner- Occupied (1)			Average Loan Balance
	(Dollars in thousands)
Commercial real estate:
Industrial	$	2,283,225		33.4	%		49.1	%	$	1,625
Office		1,141,149		16.7	%		24.3	%		1,691
Retail		957,917		14.0	%		11.5	%		1,701
Multi-family		834,082		12.2	%		0.2	%		1,604
Secured by farmland (2)		509,243		7.4	%		99.0	%		1,553
Medical		314,847		4.6	%		33.5	%		1,528
Other (3)		802,596		11.7	%		43.9	%		1,592
Total commercial real estate	$	6,843,059		100.0	%		36.1	%	$	1,629

(1)Represents percentage of reported owner-occupied at origination in each real estate loan category.

(2)The loans secured by farmland included $133.2 million for loans secured by dairy & livestock land and $376.0 million for loans secured by agricultural land at September 30, 2023.

(3)Other loans consist of a variety of loan types, none of which exceeds 2.0% of total commercial real estate loans at September 30, 2023.

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Nonperforming Assets

The following table provides information on nonperforming assets as of the dates presented.

	September 30, 2023			December 31, 2022
	(Dollars in thousands)
Nonaccrual loans	$	9,963		$	4,930
Loans past due 90 days or more and still accruing interest		—			—
Nonperforming modified loans / troubled debt restructured loans (TDRs)		—			—
Total nonperforming loans		9,963			4,930
OREO, net		—			—
Total nonperforming assets	$	9,963		$	4,930
Modified loans / Performing TDRs	$	7,304		$	7,817
Total nonperforming loans and performing modified loans/TDRs	$	17,267		$	12,747
Percentage of nonperforming loans and performing modified loans/TDRs    to total loans, at amortized cost		0.19	%		0.14	%
Percentage of nonperforming assets to total loans, at amortized cost,    and OREO		0.11	%		0.05	%
Percentage of nonperforming assets to total assets		0.06	%		0.03	%

Modifications of Loans to Borrowers Experiencing Financial Difficulty

The Company adopted Accounting Standards Update (“ASU”) 2022-02, Financial Instruments - Credit Losses (Topic 326) Troubled Debt Restructurings and Vintage Disclosures (“ASU 2022-02”) effective January 1, 2023. The amendments in ASU 2022-02 eliminated the recognition and measurement of TDRs and enhanced disclosures for loan modifications to borrowers experiencing financial difficulty.

The table below reflects the amortized cost of loans by type made to borrowers experiencing financial difficulty that were modified during the three months ended September 30, 2023.

	Term Extension
	Amortized Cost Basis		% of Total Class of
	at September 30,2023		Financing Receivables
	(Dollars in thousands)
Commercial real estate loans	$	1,815		0.02	%
Dairy & livestock and agribusiness		4,799		0.05	%
Total	$	6,614
	Combination-Term Extension and Interest Rate Reduction
	Amortized Cost Basis		% of Total Class of
	at September 30,2023		Financing Receivables
Commercial real estate loans	$	690		0.01	%
Total	$	690

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The following table describes the financial effect of the loan modifications made to borrowers experiencing financial difficulty during the three months ended September 30, 2023.

Loan Type	Financial Effect
	Term Extension
Commercial real estate loans	Added a weighted-average 1.0 years to the life of loans, which reduced monthly payment amounts for the borrowers.
Dairy & livestock and agribusiness	Added a weighted-average 0.5 years to the life of loans, which reduced monthly payment amounts for the borrowers.
	Combination-Term Extension and Interest Rate Reduction
Commercial real estate loans	Added a weighted-average 7.6 years to the life of loans, which reduced monthly payment amounts for the borrowers; reduced weighted-average contractual interest rate from 10% to 7.25%.

As of September 30, 2023, the Company did not have any loans made to borrowers experiencing financial difficulty that were modified during the third quarter of 2023 that subsequently defaulted. Payment default is defined as movement to nonaccrual (nonperforming) status, foreclosure or charge-off, whichever occurs first.

The following table presents the recorded investment in, and the aging of, past due loans at amortized cost (including nonaccrual loans), by type of loans, made to borrowers experiencing financial difficulty that were modified on or after January 1, 2023, the date we adopted ASU 2022-02.

	Payment Status (amortized cost basis)
	Current		30-89 Days Past Due		90+ Days Past Due
	(Dollars in thousands)
Commercial real estate loans	$	2,505	$	—	$	—
Dairy & livestock and agribusiness		4,799		—		—
Total	$	7,304	$	—	$	—

Troubled Debt Restructurings (“TDRs”)

Prior to January 1, 2023, loans reported as TDRs were considered impaired and charge-off amounts were 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, 2022 for a more detailed discussion regarding TDRs.

Total TDRs $7.8 million at December 31, 2022. At December 31, 2022, all of our TDRs were performing and accruing interest as restructured loans. Our performing TDRs were generally provided a modification of loan repayment terms in response to borrower financial difficulties. The performing restructured loans represent the only loans accruing interest at each respective reporting date. A performing restructured loan is categorized as such if we believe that it is reasonably assured of repayment and is performing in accordance with the modified terms.

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The following table provides a summary of TDRs as of the dates presented.

		December 31, 2022
		Balance		Number of Loans
	(Dollars in thousands)
Performing TDRs:
Commercial real estate		$	—		—
Construction			—		—
SBA			—		—
Commercial and industrial			4,826		4
Dairy & livestock and agribusiness			2,000		1
SFR mortgage			991		5
Consumer and other			—		—
Total performing TDRs		$	7,817		10
Nonperforming TDRs:
Commercial real estate		$	—		—
Construction			—		—
SBA			—		—
Commercial and industrial			—		—
Dairy & livestock and agribusiness			—		—
SFR mortgage			—		—
Consumer and other			—		—
Total nonperforming TDRs		$	—		—
Total TDRs		$	7,817		10

At September 30, 2023 and December 31, 2022, there was no ACL allocated to modified loans to borrowers experiencing financial difficulty under the ASU 2022-02 or under TDRs, respectively. Impairment amounts identified are typically charged off against the allowance at the time the loan is considered uncollectible. There were no charge-offs on modified loans to borrowers experiencing financial difficulty or TDRs for the nine months ended September 30, 2023 and 2022.

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Nonperforming Assets and Delinquencies

The table below provides trends in our nonperforming assets and delinquencies as of the dates presented.

	September 30,				June 30,			March 31,			December 31,			September 30,
	2023				2023			2023			2022			2022
	(Dollars in thousands)
Nonperforming loans:
Commercial real estate	$	3,655			$	3,159		$	2,634		$	2,657		$	6,705
Construction		—				—			—			—			—
SBA		1,050				629			702			443			1,065
SBA - PPP		—				—			—			—			—
Commercial and industrial		4,672				2,039			2,049			1,320			1,308
Dairy & livestock and agribusiness		243				273			406			477			1,007
SFR mortgage		339				354			384			—			—
Consumer and other loans		4				—			—			33			32
Total	$	9,963		(1)	$	6,454		$	6,175		$	4,930		$	10,117
% of Total loans		0.11	%			0.07	%		0.07	%		0.05	%		0.12	%
Past due 30-89 days (accruing):
Commercial real estate	$	136			$	532		$	425		$	—		$	—
Construction		—				—			—			—			—
SBA		—				—			575			556			—
Commercial and industrial		—				—			—			—			—
Dairy & livestock and agribusiness		—				555			183			—			—
SFR mortgage		—				—			—			388			—
Consumer and other loans		—				—			—			175			—
Total	$	136			$	1,087		$	1,183		$	1,119		$	—
% of Total loans		0.00	%			0.01	%		0.01	%		0.01	%		0.00	%
OREO:
Commercial real estate	$	—			$	—		$	—		$	—		$	—
SBA		—				—			—			—			—
SFR mortgage		—				—			—			—			—
Total	$	—			$	—		$	—		$	—		$	—
Total nonperforming, past due,    and OREO	$	10,099			$	7,541		$	7,358		$	6,049		$	10,117
% of Total loans		0.11	%			0.08	%		0.08	%		0.07	%		0.12	%
Classified Loans	$	92,246			$	77,834		$	66,977		$	78,658		$	63,651

(1)Includes $2.6 million of nonaccrual loans past due 30-89 days at September 30, 2023.

Nonperforming loans, defined as nonaccrual loans, nonperforming TDR loans and loans past due 90 days or more and still accruing interest, were $10.0 million at September 30, 2023, or 0.11% of total loans. This compares to nonperforming loans of $4.9 million, or 0.05% of total loans, at December 31, 2022 and $10.1 million, or 0.12% of total loans, at September 30, 2022. The $5.0 million increase in nonperforming loans from December 31, 2022 was primarily due to an increase of $3.4 million in commercial and industrial loans and $1.0 million in commercial real estate loans. Classified loans are loans that are graded “substandard” or worse. Classified loans of $92.2 million increased $14.4 million quarter-over-quarter, primarily due to a $24.4 million increase in classified commercial real estate loans, partially offset by an $11.4 million decrease in classified dairy & livestock loans.

At September 30, 2023, December 31, 2022, and September 30, 2022 we had no OREO properties. There were no additions to OREO properties for the nine months ended September 30, 2023.

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Allowance for Credit Losses

The allowance for credit losses totaled $89.0 million as of September 30, 2023, compared to $85.1 million as of December 31, 2022 and $82.6 million as of September 30, 2022. Our allowance for credit losses at September 30, 2023 was 1.00% of total loans. This compares to 0.94% and 0.94% at December 31, 2022 and September 30, 2022, respectively. The ACL was increased by $3.9 million for the first nine month of 2023, including $4.0 million in provision for credit losses. The ACL increased by $17.6 million for the nine months ended September 30, 2022, including $8.6 million for the acquired Suncrest PCD loans and $8.1 million in provision for credit losses. Net charge-offs were $122,000 for the nine months ended September 30, 2023, which compares to $877,000 in net recoveries for the same period of 2022.

The allowance for credit losses as of September 30, 2022 is based upon lifetime loss rate models developed from an estimation framework that uses historical lifetime loss experiences to derive loss rates at a collective pool level. We measure the expected credit losses on a collective (pooled) basis for those loans that share similar risk characteristics. We have three collective loan pools: Commercial Real Estate, Commercial and Industrial, and Consumer. Our ACL amounts are largely driven by portfolio characteristics, including loss history and various risk attributes, and the economic outlook for certain macroeconomic variables. The allowance for credit loss is sensitive to both changes in these portfolio characteristics and the forecast of macroeconomic variables. Risk attributes for commercial real estate loans include Original Loan to Value ratios ("OLTV"), origination year, loan seasoning, and macroeconomic variables that include GDP growth, commercial real estate price index and unemployment rate. Risk attributes for commercial and industrial loans include internal risk ratings, borrower industry sector, loan credit spreads and macroeconomic variables that include unemployment rate and BBB spread. The macroeconomic variables for Consumer include unemployment rate and GDP. The Commercial Real Estate methodology is applied over commercial real estate loans, a portion of construction loans, and a portion of SBA loans (excluding Paycheck Protection Program loans). The Commercial and Industrial methodology is applied over a substantial portion of the Company’s commercial and industrial loans, all dairy & livestock and agribusiness loans, municipal lease receivables, as well as the remaining portion of Small Business Administration (SBA) loans (excluding Paycheck Protection Program loans). The Consumer methodology is applied to SFR mortgage loans, consumer loans, as well as the remaining construction loans. In addition to determining the quantitative life of loan loss rate to be applied against the portfolio segments, management reviews current conditions and forecasts to determine whether adjustments are needed to ensure that the life of loan loss rates reflect both the current state of the portfolio, and expectations for macroeconomic changes.

Our economic forecast continues to be a blend of multiple forecasts produced by Moody’s. The baseline forecast continues to represent the largest weighting in our multi-weighted forecast scenario, with downside risks weighted among multiple forecasts which individually reflect various degrees of an economic recession in 2024 and early 2025. The resulting economic forecast reflects a modest decline in GDP in the first half of 2024, but a more significant decrease in Commercial Real Estate values that persists through all of 2025 and unemployment rising through 2025. As of September 30, 2023, the resulting weighted forecast assumes GDP will increase by 2.1% in 2023, followed by a modest recession at the beginning of 2024 and full year GDP growth of just 0.3% for all of 2024. GDP then grows at 1.1% in 2025. The unemployment rate is forecasted to be 3.8% in 2023 and 5.2% in 2024, with peak unemployment of 5.7% in 2025. As there is continued uncertainty around the assumptions that impact our economic forecast, no assurance can be given that economic conditions that adversely affect the Company's service areas and customers will not be reflected in an increased allowance for credit losses in future periods.

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The table below presents a summary of charge-offs and recoveries by type, the provision for credit losses on loans, and the resulting allowance for credit losses for the periods presented.

	As of and For the
	Nine Months Ended
	September 30,
	2023			2022
	(Dollars in thousands)
Allowance for credit losses at beginning of period	$	85,117		$	65,019
Charge-offs:
Commercial real estate		—			—
Construction		—			—
SBA		(207	)		—
Commercial and industrial		(16	)		(66	)
Dairy & livestock and agribusiness		—			—
SFR mortgage		—			—
Consumer and other loans		(1	)		(4	)
Total charge-offs		(224	)		(70	)
Recoveries:
Commercial real estate		—			—
Construction		9			9
SBA		69			99
Commercial and industrial		14			456
Dairy & livestock and agribusiness		10			383
SFR mortgage		—			—
Consumer and other loans		—			—
Total recoveries		102			947
Net (charge-offs) recoveries		(122	)		877
Initial ACL for PCD loans at acquisition		—			8,605
Provision recorded at acquisition		—			4,932
Provision for credit losses		4,000			3,168
Allowance for credit losses at end of period	$	88,995		$	82,601
Summary of reserve for unfunded loan commitments:
Reserve for unfunded loan commitments at beginning of period	$	8,000		$	8,000
Provision for unfunded loan commitments		—			—
Reserve for unfunded loan commitments at end of period	$	8,000		$	8,000
Reserve for unfunded loan commitments to total unfunded loan     commitments		0.43	%		0.43	%
Amount of total loans at end of period (1)	$	8,877,632		$	8,774,136
Average total loans outstanding (1)	$	8,905,697		$	8,612,166
Net (charge-offs) recoveries to average total loans		-0.001	%		0.010	%
Net (charge-offs) recoveries to total loans at end of period		-0.001	%		0.010	%
Allowance for credit losses to average total loans		1.00	%		0.96	%
Allowance for credit losses to total loans at end of period		1.00	%		0.94	%
Net (charge-offs) recoveries to allowance for credit losses		-0.14	%		1.06	%
Net (charge-offs) recoveries to provision for credit losses		-3.05	%		10.83	%

(1)Net of deferred loan origination fees, costs and discounts (amortized cost).

The Bank’s ACL methodology also produced an allowance of $8.0 million for our off-balance sheet credit exposures as of September 30, 2023, compared to $8.0 million as of December 31, 2022 and September 30, 2022.

While we believe that the allowance at September 30, 2023 was appropriate to absorb losses from known or inherent risks in the portfolio, no assurance can be given that future economic conditions, interest rate fluctuations, conditions of our borrowers (including fraudulent activity), or natural disasters, which adversely affect our service areas or other

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circumstances or conditions, including those defined above, will not be reflected in increased provisions for credit losses in the future.

Changes in economic and business conditions could have an impact on our market area and on our loan portfolio. We continually monitor these conditions in determining our estimates of needed reserves. However, we cannot predict the extent to which the deterioration in general economic conditions, real estate values, changes in general rates of interest and changes in the financial conditions or business of a borrower may adversely affect a specific borrower’s ability to pay or the value of our collateral. See “Risk Management – Credit Risk Management” contained in our Annual Report on Form 10-K for the year ended December 31, 2022.

Deposits

The primary source of funds to support earning assets (loans and investments) is the generation of deposits.

Total deposits were $12.36 billion at September 30, 2023. This represented a decrease of $477.5 million, or 3.72%, over total deposits of $12.84 billion at December 31, 2022. The composition of deposits is summarized as of the dates presented in the table below.

	September 30, 2023					December 31, 2022
	Balance		Percent			Balance		Percent
	(Dollars in thousands)
Noninterest-bearing deposits	$	7,586,649		61.39	%	$	8,164,364		63.60	%
Interest-bearing deposits
Investment checking		560,223		4.53	%		723,870		5.64	%
Money market		3,414,862		27.63	%		3,070,674		23.92	%
Savings		491,325		3.98	%		582,711		4.54	%
Time deposits		305,727		2.47	%		294,626		2.30	%
Total Deposits	$	12,358,786		100.00	%	$	12,836,245		100.00	%

The amount of noninterest-bearing deposits in relation to total deposits is an integral element in our strategy of seeking to achieve a low cost of funds. Noninterest-bearing deposits totaled $7.59 billion at September 30, 2023, representing a decrease of $577.7 million, or 7.08%, from noninterest-bearing deposits of $8.16 billion at December 31, 2022. Noninterest-bearing deposits represented 61.39% of total deposits at September 30, 2022, compared to 63.60% of total deposits at December 31, 2022 and over the last five quarters have been consistently greater than 61%.

Savings deposits, which include savings, interest-bearing demand, and money market accounts, totaled $4.47 billion at September 30, 2023, representing an increase of $89.2 million, or 2.04%, from savings deposits of $4.38 billion at December 31, 2022.

Time deposits totaled $305.7 million at September 30, 2023, representing an increase of $11.1 million, or 3.77%, from total time deposits of $294.6 million for December 31, 2022.

Our deposits are 100% relationship based core deposits and customer repurchase agreements ("repos"). We had zero brokered deposits at the end of the third quarter of 2023 with 75% of our deposits consisting of business deposits and 25% consisting of consumer deposits, primarily the owners and employees of our business customers. The largest percentage of our deposits, 39%, are analyzed business accounts, which represent customer operating accounts that generally utilize a wide array of treasury management products.

Our customer deposit relationships represent a diverse set of industries. The industry classification with the largest concentration is manufacturing, which represents 11% of our deposits. Overall, there are 15 different industry classifications that represent 2% or more of our deposits as of September 30, 2023. Our depositors have typically banked with us for many years. As of September 30, 2023, 46% of our deposit relationships have banked with us more than 10 years and 77% of our deposit relationships have been with us for three or more years.

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The unprecedented increase in short-term interest rates impacted our deposit levels. Total deposits and customer repos were $12.63 billion at September 30, 2023, a $221.6 million, or 1.72%, decrease from June 30, 2023. At the end of third quarter of 2023, deposits and customer repos were $773.3 million lower than the end of 2022. This decline includes the impact of $720 million in customer deposits that were moved by customers into Citizens Trust, where these funds were invested in higher yielding liquid assets such as United States treasury notes or bonds. The velocity of deposits moving to CitizensTrust continued to moderate in the third quarter of 2023, with approximately $170 million transferred off balance sheet in the quarter, compared to $180 million in the second quarter of 2023, and $370 million in the first quarter of 2023.

Borrowings

We offer a repurchase agreement product to our customers. This product, known as Citizens Sweep Manager, sells our investment securities overnight to our customers under an agreement to repurchase them the next day at a price that reflects the market value of the use of these funds by the Bank for the period concerned. These repurchase agreements are signed with customers who want to invest their excess deposits, above a pre-determined balance in a demand deposit account, in order to earn interest. As of September 30, 2023 and December 31, 2022, total funds borrowed under these agreements were $269.6 million and $565.4 million, respectively, with a weighted average interest rate of 0.29% for the third quarter of 2023 and 0.10% for the fourth quarter of 2022.

As a result of declining deposit balances, we borrowed on average $1.32 billion during the third quarter of 2023. As of September 30, 2023, total short-term borrowings, consisted of $870.0 million of one-year advances from the Federal Reserve’s Bank Term Funding Program at a cost of 4.87%, which replaced higher cost borrowings from the FHLB, and $250 million of short-term FHLB advances, at an average cost of approximately 5%. These FHLB advances will mature in the fourth quarter of November 2023.

At September 30, 2023, loans with a carrying value of $4.35 billion were pledged to secure available lines of credit from the FHLB and the Federal Reserve Bank.

At September 30, 2023, investment securities with carrying value of $2.16 billion were pledged to secure various types of deposits, including $1.34 billion of public funds. In addition, investment securities with carrying values of $2.94 billion were pledged to secure $433.5 million for repurchase agreements, $870 million for outstanding borrowings, $1.58 billion for unused borrowing capacity and approximately $52 million for other purposes as required or permitted by law.

Aggregate Contractual Obligations

The following table summarizes the aggregate contractual obligations as of September 30, 2023.

			Maturity by Period
	Total		Less Than One Year		One Year Through Three Years		Four Years Through Five Years		Over Five Years
	(Dollars in thousands)
Deposits (1)	$	12,358,786	$	12,342,695	$	12,714	$	3,106	$	271
Customer repurchase agreements (1)		269,552		269,552		—		—		—
Other borrowings		1,120,000		1,120,000		—		—		—
Deferred compensation		22,130		574		1,152		1,150		19,254
Operating leases		27,213		7,210		12,339		6,763		901
Equity investments		22,995		18,385		4,297		42		271
Total	$	13,820,676	$	13,758,416	$	30,502	$	11,061	$	20,697

(1)Amounts exclude accrued interest.

Deposits represent noninterest-bearing, money market, savings, NOW, certificates of deposits, brokered and all other deposits held by the Bank.

Customer repurchase agreements represent excess amounts swept from customer demand deposit accounts, which mature the following business day and are collateralized by investment securities. These amounts are due to customers.

Deferred compensation represents the amounts that are due to former employees based on salary continuation agreements as a result of acquisitions and amounts due to current and retired employees under our deferred compensation plans.

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Operating leases represent the total minimum lease payments due under non-cancelable operating leases. Refer to Note 13 – Leases of the notes to the Company’s unaudited condensed consolidated financial statements for a more detailed discussion about leases.

Off-Balance Sheet Arrangements

The following table summarizes the off-balance sheet items at September 30, 2023.

			Maturity by Period
	Total		Less Than One Year		One Year Through Three Years		Four Years Through Five Years		After Five Years
	(Dollars in thousands)
Commitment to extend credit:
Commercial real estate		416,239		77,465		166,022		146,265		26,487
Construction		28,767		25,439		—		—		3,328
SBA		97		—		—		—		97
SBA - PPP		—		—		—		—		—
Commercial and industrial		989,737		769,221		197,848		2,755		19,913
Dairy & livestock and agribusiness (1)		230,637		132,342		98,295		—		—
Municipal lease finance receivables		—		—		—		—		—
SFR Mortgage		6,539		4,163		—		—		2,376
Consumer and other loans		127,189		13,462		5,886		3,527		104,314
Total commitment to extend credit		1,799,205		1,022,092		468,051		152,547		156,515
Obligations under letters of credit		56,323		32,542		23,763		—		18
Total	$	1,855,528	$	1,054,634	$	491,814	$	152,547	$	156,533

(1)Total commitments to extend credit to agribusiness were $28.2 million at September 30, 2023.

As of September 30, 2023, we had commitments to extend credit of approximately $1.8 billion, and obligations under letters of credit of $56.3 million. Commitments to extend credit are agreements to lend to customers, provided there is no violation of any material condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and may require payment of a fee. Commitments are generally variable rate, and many of these commitments are expected to expire without being drawn upon. As such, the total commitment amounts do not necessarily represent future cash requirements. We use the same credit underwriting policies in granting or accepting such commitments or contingent obligations as we do for on-balance sheet instruments, which consist of evaluating customers’ creditworthiness individually. As of September 30, 2023 and December 31, 2022, the balance in this reserve was $8.0 million and was included in other liabilities.

Standby letters of credit are conditional commitments issued by the Bank to guarantee the financial performance of a customer to a third party. Those guarantees are primarily issued to support private borrowing or purchase arrangements. The credit risk involved in issuing letters of credit is essentially the same as that involved in extending loan facilities to customers. When deemed necessary, we hold appropriate collateral supporting those commitments.

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Capital Resources

Our primary source of capital has been the retention of operating earnings and issuance of common stock in connection with periodic acquisitions. In order to ensure adequate levels of capital, we conduct an ongoing assessment of projected sources, needs and uses of capital in conjunction with projected increases in assets and the level of risk. As part of this ongoing assessment, the Board of Directors reviews the various components of our capital plan and capital stress testing.

Total equity increased $2.9 million, or 0.15%, to $1.95 billion at September 30, 2023, compared to total equity of $1.95 billion at December 31, 2022. Increases to equity included $172.9 million in net earnings, partially offset by a $72.3 million decrease in other comprehensive income. At the end of the second quarter of 2023, we entered into pay-fixed rate swaps to mitigate the risks of rising interest rates. This resulted in a fair value remeasurement of this swap derivative, resulting in an after tax increase in other comprehensive income of $17.6 million at September 30, 2023. Decreases from December 31, 2022 included $83.7 million in cash dividends. We engaged in no stock repurchases during the second and third quarters of 2023, compared to the first quarter of 2023, when we repurchased 791,800 shares of common stock, at an average repurchase price of $23.43, totaling $18.5 million. Our tangible book value per share at June 30, 2023 was $8.39.

During the third quarter of 2023, the Board of Directors of CVB declared quarterly cash dividends totaling $0.20 per share. Dividends are payable at the discretion of the Board of Directors and there can be no assurance that the Board of Directors will continue to pay dividends at the same rate, or at all, in the future. CVB’s ability to pay cash dividends to its shareholders is subject to restrictions under federal and California law, including restrictions imposed by the Federal Reserve, and covenants set forth in various agreements we are a party to.

On February 1, 2022, we announced that our Board of Directors authorized a share repurchase plan to repurchase up to 10,000,000 shares of the Company’s common stock ("2022 Repurchase Program"), including by means of (i) an initial $70 million dollar Accelerated Share Repurchase, or ASR Plan, and (ii) one or more Rule 10b5-1 plans or other appropriate buy-back arrangements, including open market purchases and private transactions. We completed the execution of the $70 million accelerated stock repurchase program in the second quarter of 2022, and retired a total of 2,993,551 shares of common stock at an average price of $23.38. During the nine month period ended September 30, 2022 we also repurchased, under our 10b5-1 stock repurchase plan, 1,914,590 shares of common stock, at an average repurchase price of $23.43, totaling $44.9 million. During the first quarter of 2023, we repurchased 791,800 shares at an average price of $23.43. We engaged in no stock repurchases during the second quarter of 2023. This 10b5-1 plan expired on March 2, 2023 and no new plan has been put in place since that time.

The Bank and the Company are required to meet risk-based capital standards under the revised capital framework referred to as Basel III set by their respective regulatory authorities. The risk-based capital standards require the achievement of a minimum total risk-based capital ratio of 8.0%, a Tier 1 risk-based capital ratio of 6.0% and a common equity Tier 1 (“CET1”) capital ratio of 4.5%. In addition, the regulatory authorities require the highest rated institutions to maintain a minimum leverage ratio of 4.0%. To be considered “well-capitalized” for bank regulatory purposes, the Bank and the Company are required to have a CET1 capital ratio equal to or greater than 6.5%, a Tier 1 risk-based capital ratio equal to or greater than 8.0%, a total risk-based capital ratio equal to or greater than 10.0% and a Tier 1 leverage ratio equal to or greater than 5.0%. At September 30, 2023, the Bank and the Company exceeded the minimum risk-based capital ratios and leverage ratios required to be considered “well-capitalized” for regulatory purposes. For further information about capital requirements and our capital ratios, see “Item 1. Business – Capital Adequacy Requirements” as described in our Annual Report on Form 10-K for the year ended December 31, 2022.

At September 30, 2023, the Bank and the Company exceeded the minimum risk-based capital ratios and leverage ratios, under the revised capital framework referred to as Basel III, required to be considered “well-capitalized” for regulatory purposes. We did not elect to phase in the impact of CECL on regulatory capital, as allowed under the interim final rule of the FDIC and other U.S. banking agencies.

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The table below presents the Company’s and the Bank’s risk-based and leverage capital ratios for the periods presented.

				September 30, 2023		December 31, 2022
Capital Ratios	Adequately Capitalized Ratios	Minimum Required Plus Capital Conservation Buffer	Well Capitalized Ratios	CVB Financial Corp. Consolidated	Citizens Business Bank	CVB Financial Corp. Consolidated	Citizens Business Bank
Tier 1 leverage capital ratio	4.00%	4.00%	5.00%	10.00%	9.91%	9.53%	9.42%
Common equity Tier 1 capital ratio	4.50%	7.00%	6.50%	14.38%	14.25%	13.55%	13.39%
Tier 1 risk-based capital ratio	6.00%	8.50%	8.00%	14.38%	14.25%	13.55%	13.39%
Total risk-based capital ratio	8.00%	10.50%	10.00%	15.25%	15.12%	14.37%	14.22%

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ASSET/LIABILITY AND MARKET RISK MANAGEMENT

Liquidity and Cash Flow

The objective of liquidity management is to ensure that funds are available in a timely manner to meet our financial obligations when they come due without incurring unnecessary cost or risk, or causing a disruption to our normal operating activities. This includes the ability to manage unplanned decreases or changes in funding sources, accommodating loan demand and growth, funding investments, repurchasing securities, paying creditors as necessary, and other operating or capital needs.

We regularly assess the amount and likelihood of projected funding requirements through a review of factors such as historical deposit volatility and funding patterns, present and forecasted market and economic conditions, individual customer funding needs, as well as current and planned business activities. Management has an Asset/Liability Committee that meets monthly. This committee analyzes the cash flows from loans, investments, deposits and borrowings, as well as the input assumptions and results from various models. In addition, the Company has a Balance Sheet Management Committee of the Board of Directors that meets at least quarterly to review the Company’s balance sheet and liquidity position. This committee provides oversight to the balance sheet and liquidity management process and recommends policy guidelines for the approval of our Board of Directors, and courses of action to address our actual and projected liquidity needs.

In general, our liquidity is managed daily by controlling the level of liquid assets as well as the use of funds provided by the cash flow from the investment portfolio, loan demand, deposit fluctuations, and borrowings. Our definition of liquid assets includes cash and cash equivalents in excess of minimum levels needed to fulfill normal business operations, short-term investment securities, and other anticipated near term cash flows from investments. In addition to on balance sheet liquidity, we have significant off-balance sheet sources of liquidity. To meet unexpected demands, lines of credit are maintained with correspondent banks, the Federal Home Loan Bank and the Federal Reserve, although availability under these lines of credit are subject to certain conditions. The Bank has available lines of credit totaling approximately $5.8 billion, of which $3.5 billion is secured by pledged loans and another $2 billion is secured by investment securities. In addition to having more than $200 million of cash on the balance sheet at September 30, 2023, we had substantial sources of off-balance sheet liquidity. These sources of available liquidity include $4.7 billion of secured and unused capacity with the Federal Home Loan Bank, $1.2 billion of secured unused borrowing capacity at the Fed’s discount window or Bank Term Funding Program, more than $260 million of unpledged AFS securities that could be pledged at the discount window or the Fed’s Bank Term Funding Program and $300 million of unsecured lines of credit. In addition to these borrowing sources, the Bank has not utilized any brokered deposits as of September 30, 2023. We can also obtain additional liquidity from deposit growth by utilizing state and national wholesale markets.

Our primary sources and uses of funds for the Company are deposits, customer repurchase agreements and loans. Total deposits and customer repos of $12.63 billion at September 30, 2023 decreased $773.3 million, or 5.77%, over total deposits and customer repos of $13.40 billion at December 31, 2022. As a result of declining deposit balances, we borrowed on average $1.32 billion during the third quarter of 2023. We had no brokered deposits throughout the quarter. As of September 30, 2023, total short-term borrowings, consisted of $870 million of one-year advances from the Federal Reserve’s Bank Term Funding Program at a cost of 4.87%, which replaced higher cost borrowings from the FHLB, and $250 million of short-term FHLB advances, at an average cost of approximately 5%. These FHLB advances will mature in the fourth quarter of 2023. Our deposit levels and cost of deposits may fluctuate from period-to-period due to a variety of factors, including the stability of our deposit base, prevailing interest rates, and market conditions. At September 30, 2023, our deposits and customer repurchase agreements that are neither collateralized nor insured were approximately $6.5 billion.

In addition to the increase in short-term borrowing during the first nine months of 2023, we shrank our investment portfolio by not reinvesting the approximately $350 million of cashflows generated by our investments during the first nine months of 2023. Our total investment portfolio declined by $447 million from December 31, 2022 to $5.36 billion as of September 30, 2023. The decrease was primarily due to a $382 million decline in AFS securities. AFS securities totaled $2.87 billion dollars at the end of the third quarter, inclusive of a pre-tax net unrealized loss of $628 million.

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Below is a summary of our average cash position and statement of cash flows for the nine months ended September 30, 2023 and 2022. For further details see our “Condensed Consolidated Statements of Cash Flows (Unaudited)” under Part I, Item 1 of this report.

Consolidated Summary of Cash Flows

	Nine Months Ended September 30,
	2023			2022
	(Dollars in thousands)
Average cash and cash equivalents	$	462,132		$	1,205,065
Percentage of total average assets		2.82	%		7.05	%
Net cash provided by operating activities	$	246,951		$	202,846
Net cash provided by (used in) investing activities		543,501			(962,037	)
Net cash used in financing activities		(753,218	)		(654,818	)
Net increase (decrease) in cash and cash equivalents	$	37,234		$	(1,414,009	)

Average cash and cash equivalents decreased by $742.9 million, or 61.65%, to $462.1 million for the nine months ended September 30, 2023, compared to $1.21 billion for the same period of 2022.

At September 30, 2023, cash and cash equivalents totaled $240.7 million. This represented a decrease of $77.8 million, or 24.44%, from $318.5 million at September 30, 2022.

Interest Rate Sensitivity Management

During periods of changing interest rates, the ability to re-price interest-earning assets and interest-bearing liabilities can influence net interest income, the net interest margin, and consequently, our earnings. Interest rate risk is managed by attempting to control the spread between rates earned on interest-earning assets and the rates paid on interest-bearing liabilities within the constraints imposed by market competition in our service area. The primary goal of interest rate risk management is to control exposure to interest rate risk, within policy limits approved by the Board of Directors. These limits and guidelines reflect our risk appetite for interest rate risk over both short-term and long-term horizons. We measure these risks and their impact by identifying and quantifying exposures through the use of sophisticated simulation and valuation models, which, as described in additional detail below, are employed by management to understand net interest income (NII) at risk and economic value of equity (EVE) at risk. Net interest income at risk sensitivity captures asset and liability repricing mismatches and is considered a shorter term measure, while EVE sensitivity captures mismatches within the period end balance sheets through the financial instruments’ respective maturities or estimated durations and is considered a longer term measure.

One of the primary methods that we use to quantify and manage interest rate risk is simulation analysis, which we use to model NII from the Company’s balance sheet under various interest rate scenarios. We use simulation analysis to project rate sensitive income under many scenarios. The analyses may include rapid and gradual ramping of interest rates, rate shocks, basis risk analysis, and yield curve scenarios. Specific balance sheet management strategies are also analyzed to determine their impact on NII and EVE. Key assumptions in the simulation analysis relate to the behavior of interest rates and pricing spreads, the changes in product balances, and the behavior of loan and deposit clients in different rate environments. This analysis incorporates several assumptions, the most material of which relate to the re-pricing characteristics and balance fluctuations of deposits with indeterminate or non-contractual maturities, and prepayment of loans and securities.

Our interest rate risk policy measures the sensitivity of our net interest income over both a one-year and two-year cumulative time horizon.

The simulation model estimates the impact of changing interest rates on interest income from all interest-earning assets and interest expense paid on all interest-bearing liabilities reflected on our balance sheet. This sensitivity analysis is compared to policy limits, which specify a maximum tolerance level for net interest income exposure over a one and two year horizon assuming no balance sheet growth, given a 200 basis point upward and a 200 basis point downward shift in interest rates depending on the level of current market rates. The simulation model uses a parallel yield curve shift that

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ramps rates up or down on a pro rata basis over 12-months and measures the resulting net interest income sensitivity over both the 12-month and 24-month time horizons.

The following depicts the Company’s net interest income sensitivity analysis for the periods presented below, when rates are ramped up 200bps or ramped down 200bps over a 12-month time horizon.

	Estimated Net Interest Income Sensitivity (1)
	September 30, 2023			December 31, 2022
Interest Rate Scenario	12-month Period	24-month Period (Cumulative)	Interest Rate Scenario	12-month Period	24-month Period (Cumulative)
+ 200 basis points	3.15%	5.01%	+ 200 basis points	2.32%	4.96%
- 200 basis points	-3.06%	-5.65%	- 200 basis points	-2.28%	-6.83%

(1)Percentage change from base scenario.

Based on our current simulation models, we believe that the interest rate risk profile of the balance sheet is modestly asset sensitive over both a one-year and a two-year horizon. The estimated sensitivity does not necessarily represent a forecast and the results may not be indicative of actual changes to our net interest income. These estimates are based upon a number of assumptions including: the nature and timing of interest rate levels including yield curve shape, re-pricing characteristics and balance fluctuations of deposits with indeterminate or non-contractual maturities, prepayments on loans and securities, pricing strategies on loans and deposits, and replacement of asset and liability cash flows. While the assumptions used are based on current economic and local market conditions, there is no assurance as to the predictive nature of these conditions including how customer preferences or competitor influences might change.

We also perform valuation analysis, which incorporates all cash flows over the estimated remaining life of all material balance sheet and derivative positions. The valuation of the balance sheet, at a point in time, is defined as the discounted present value of all asset cash flows and derivative cash flows minus the discounted present value of all liability cash flows, the net of which is referred to as EVE. The sensitivity of EVE to changes in the level of interest rates is a measure of the longer-term re-pricing risk and options risk embedded in the balance sheet. EVE uses instantaneous changes in rates, as shown in the table below. Assumptions about the timing and variability of balance sheet cash flows are critical in the EVE analysis. Particularly important are the assumptions driving prepayments and the expected duration and pricing of the indeterminate deposit portfolios. EVE sensitivity is reported in both upward and downward rate shocks. At September 30, 2023 and December 31, 2022, the EVE profile indicates a decline in net balance sheet value due to instantaneous downward changes in rates, compared to an increase resulting from an increase in rates.

Economic Value of Equity Sensitivity

Instantaneous Rate Change	September 30, 2023	December 31, 2022
400 bp decrease in interest rates	-17.0%	N/A
300 bp decrease in interest rates	-8.5%	N/A
200 bp decrease in interest rates	-5.1%	-12.8%
100 bp decrease in interest rates	-1.6%	-4.4%
100 bp increase in interest rates	-0.2%	1.2%
200 bp increase in interest rates	0.4%	2.2%
300 bp increase in interest rates	1.0%	3.8%
400 bp increase in interest rates	1.4%	5.3%

As EVE measures the discounted present value of cash flows over the estimated lives of instruments, the change in EVE does not directly correlate to the degree that earnings would be impacted over a shorter time horizon (i.e., the current year). Further, EVE does not take into account factors such as future balance sheet growth, changes in asset and liability mix, changes in yield curve relationships, and changing product spreads that could mitigate the adverse impact of changes in interest rates.

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ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

We do not currently have futures, forwards, or option contracts. As a result of the phase out of LIBOR, our interest rate swap derivatives and the associated loans that were indexed to LIBOR, have been replaced with one month CME Term SOFR. All remaining financial instruments indexed to LIBOR have been transitioned to a replacement index, as of June 30, 2023. For further quantitative and qualitative disclosures about market risks in our portfolio, see Asset/Liability Management and Interest Rate Sensitivity Management” included in Item 2 “Management’s Discussion and Analysis of Financial Condition and Results of Operations” presented elsewhere in this report. This analysis should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2022. Our analysis of market risk and market-sensitive financial information contains forward-looking statements and is subject to the disclosure at the beginning of Part I regarding such forward-looking information.

ITEM 4. CONTROLS AND PROCEDURES

As of the end of the period covered by this report, we carried out an evaluation of the effectiveness of the Company’s disclosure controls and procedures under the supervision and with the participation of the Chief Executive Officer, the Chief Financial Officer and other senior management of the Company. Based on the foregoing, the Company’s Chief Executive Officer and the Chief Financial Officer concluded that the Company’s disclosure controls and procedures were effective as of the end of the period covered by this report.

During the quarter ended September 30, 2023, there have been no changes in our internal controls over financial reporting that have materially affected or are reasonably likely to materially affect our internal controls over financial reporting.

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PART II – OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

The Company and its subsidiaries are parties to various lawsuits and threatened lawsuits in the ordinary and non-ordinary course of business. From time to time, such lawsuits and threatened lawsuits may include, but are not limited to, actions involving securities litigation, employment matters, wage-hour and labor law claims, consumer claims, regulatory compliance claims, data privacy, lender liability claims, bankruptcy and fraudulent transfer claims, and negligence claims, some of which may be styled as “class action” or other representative cases. Some of these lawsuits may be similar in nature to other lawsuits pending against the Company’s competitors.

For lawsuits where the Company has determined that a loss is both probable and reasonably estimable, a liability representing the best estimate of the Company’s financial exposure based on known facts has been recorded in accordance with FASB guidance over loss contingencies (ASC 450). However, as a result of inherent uncertainties in judicial decision-making and application of a myriad of laws and regulations applicable to the Company’s business, and the unique, complex factual and legal issues presented in any given lawsuit, the Company often cannot determine the probability of loss or estimate the amount of damages which a plaintiff might successfully prove if the Company were found to be liable. For lawsuits or threatened lawsuits where a claim has been asserted or the Company has determined that it is probable that a claim will be asserted, and there is a reasonable possibility that the outcome will be unfavorable, the Company will disclose the existence of the loss contingency, even if the Company is not able to make an estimate of the possible loss or range of possible loss with respect to the action or potential action in question, unless the Company believes that the nature, potential magnitude or potential timing (if known) of the loss contingency is not reasonably likely to be material to the Company’s liquidity, consolidated financial position, and/or results of operations.

Our accruals and disclosures for loss contingencies are reviewed quarterly and adjusted as additional information becomes available. We disclose a loss contingency and/or the amount accrued if we believe it is reasonably likely to be material or if we believe such disclosure is necessary for our financial statements to not be misleading. If we determine that an exposure to loss exists in excess of an amount previously accrued or disclosed, we assess whether there is at least a reasonable possibility that a loss, or additional loss, may have been incurred, and we adjust our accruals and disclosures accordingly.

We do not presently believe that the ultimate resolution of any lawsuits currently pending against the Company will have a material adverse effect on the Company’s results of operations, financial condition, or cash flows. The outcome of litigation and other legal and regulatory matters is inherently uncertain, however, and it is possible that one or more of the legal matters currently pending or threatened against the Company could have a material adverse effect on our results of operations, financial condition or cash flows.

ITEM 1A. RISK FACTORS

Except as discussed below there have been no material changes to the risk factors as previously disclosed in Item 1A. to Part I of our Annual Report on Form 10-K for the year ended December 31, 2022. The materiality of any risks and uncertainties identified in our Forward Looking Statements contained in this report together with those previously disclosed in our current Form 10-K and any subsequent Form 10-Q or those that are presently unforeseen could result in significant adverse effects on our financial condition, results of operations and cash flows. See Item 2. “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in this Quarterly Report on Form 10-Q.

Recent negative developments affecting the banking industry could adversely impact our liquidity.

The recent high-profile bank failures have generated significant market volatility among publicly traded bank holding companies and, in particular, regional community banks like CBB. These market developments have negatively impacted customer confidence in the safety and soundness of smaller regional and community banks. As a result, customers may choose to maintain deposits with larger more systematically important financial institutions or invest in higher yielding and higher-rated short-term fixed income securities, all of which could materially adversely impact CBB’s liquidity, loan funding capacity, net interest margin, capital and results of operations. While CBB currently has access to substantial borrowing capacity from the Federal Reserve Bank, the Federal Home Loan Bank and credit facilities established with larger banks, there can be no assurance that customer confidence in regional banks and the banking system more broadly will be fully restored or that potential liquidity concerns will recede or that such access will continue unimpaired.

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Rising interest rates have decreased the market value of the Company’s available for sale and held-to-maturity securities and loan portfolios, and the Company would realize losses if it were required to sell such securities or loans to meet liquidity needs.

As a result of inflationary pressures and the resulting rapid increases in interest rates initiated by the Federal Reserve over the last year, the mark-to-market values of previously issued government and other fixed income securities have declined significantly. These securities make up a majority of the securities portfolios of most banks in the U.S., including the Company’s, resulting in unrealized losses embedded in the available-for-sale and held-to-maturity portion of U.S. banks’ securities and loan portfolios. While the Company does not currently intend to sell these securities or loans, if the Company were required to sell such securities or loans to meet liquidity needs, it could incur losses, which could impair the Company’s capital, financial condition, and results of operations, thereby negatively impacting our profitability. While the Company has taken actions to maximize its funding sources, there is no guarantee that such actions will be successful or sufficient in the event of sudden liquidity needs. Furthermore, while the Federal Reserve Board has announced a Bank Term Funding Program available to eligible depository institutions secured by U.S. treasuries, agency debt and mortgage-backed securities, and other qualifying assets as collateral at par, to mitigate the risk of potential losses on the sale of such instruments, there is no guarantee that this program or the Company's other borrowing facilities will be effective in addressing the Company's liquidity needs as they arise.

If the goodwill that we recorded in connection with business acquisitions becomes impaired, it could require charges to earnings, which would have a negative impact on our financial condition and results of operations.

Goodwill resulting from business combinations represents the excess of the purchase price over the fair value of the net assets of the businesses we acquired. Goodwill has an indefinite useful life and is not amortized, however, it is tested for impairment at least annually, or more frequently, if events and circumstances exist that indicate that the carrying value of the asset might be impaired, including as a result of a decline in our stock price and market capitalization below our stated book value. We determine impairment by comparing the implied fair value of the reporting unit’s goodwill with the carrying amount of that goodwill. Estimates of fair value are determined based on a complex model using, among other things, discounted cash flows, the fair value of our Company as determined by our stock price, and peer company comparisons. Adverse events in the banking sector have caused market volatility and declines in the stock market prices for many community and regional banks, including the Company’s, resulting in a recent decline in the Company’s market capitalization. If the carrying amount of the reporting unit’s goodwill exceeds the implied fair value of that goodwill, an impairment loss is recognized in an amount equal to that excess. Any such adjustments are reflected in our results of operations in the periods in which they become known. There can be no assurance that our future evaluations of goodwill will not result in findings of impairment and related write-downs, which may have a material adverse effect on our financial condition and results of operations.

Any enhanced regulatory examination scrutiny or new regulatory requirements arising from the recent events in the banking industry could increase the Company’s expenses and affect the Company’s operations and acquisition opportunities.

Recent events in the banking industry could result in increased regulatory scrutiny in the course of routine examinations and otherwise, and new regulations directed towards regional banks, designed to address the recent negative developments in the banking industry, could increase the Company’s costs of doing business, lead to an increased risk of regulatory oversight actions or restrictions, result in decreased regulatory support for merger and acquisition activity, and reduce our profitability. Among other things, there may be an increased focus by both regulators and investors on deposit composition, levels of uninsured deposits, embedded interest rate risk on bank balance sheets, and bank risk management programs generally. As a primarily commercial bank, CBB has a relatively higher percentage of uninsured deposits compared to larger national banks or smaller community banks with a stronger focus on retail deposits. As a result, CBB could face increased scrutiny or be viewed as higher risk by regulators and the investor community.

Changes in economic, market and political conditions can adversely affect our operating results and financial condition.

We are subject to macroeconomic and interest rate risk due to domestic and global economic instability that has resulted in higher inflation than the United States has experienced in more than 40 years and resulted in increases to prevailing interest rates. The Federal Reserve’s Open Market Committee (“FOMC”) raised the target range for the federal funds rate to 5.25% to 5.50% in September 2023, resulting in a cumulative increase of 5.25% from March of 2022. These recent increases in prevailing interest rates and the expectation that interest rates may stay high or increase further for the near term are likely to impact both our customers and many aspects of our business. Higher interest rates will not only impact the interest we receive on loans and investment securities and the amount of interest we pay our depositors, but

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could also impact our ability to grow loans and deposits. Rising interest rates, higher commodity prices, and an overall slowdown in economic growth could also impact the fair value of our assets and adversely impact our asset quality.

The occurrence of fraudulent activity, breaches or failures of information security controls or cybersecurity-related incidents to either our information systems or information systems provided by third party vendors could have a material adverse effect on our business, financial condition and results of operations.

As a financial institution, we are susceptible to fraudulent activity, information security breaches and other cybersecurity-related incidents and attacks that may be committed against us, our customers or our key vendors and business partners, which in turn may result in financial losses or increased costs to us, our customers, or our key vendors and business partners, disclosure or misuse of our information or our customer information, theft or misappropriation of assets (including bank or customer funds), privacy breaches against us or our customers, litigation, regulatory enforcement actions, and damage to our reputation. The U.S. government has warned financial institutions of the potential increase in the frequency and severity of malicious cyber-attacks and other activities involving critical infrastructure, specifically including the financial sector, and has encouraged the banking sector to enhance cyber-defenses, and these risks have increased in connection with the current conflict in Europe initiated by Russia against Ukraine. While CBB has taken measures to protect its own and customer funds and confidential information against cyber-attacks, as well as other malicious activities, there can be no assurance that such measures will be successful in thwarting such attacks and activities.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

On February 1, 2022, we announced that our Board of Directors authorized a share repurchase plan to repurchase up to 10,000,000 shares of the Company’s common stock ("2022 Repurchase Program"). We did not repurchase any shares of our common stock during the quarter ended September 30, 2023. As of September 30, 2023, an aggregate of 4,300,059 shares remained available for repurchase under our 2022 Repurchase Program. The only shares repurchased during the third quarter of 2023 were shares repurchased pursuant to net settlement by employees in satisfaction of income tax withholding obligations incurred through the vesting of Company stock awards.

None of the Company’s directors or officers adopted or terminated a Rule 10b5-1 trading arrangement or a non-Rule 10b5-1 trading arrangement during the Company’s fiscal quarter ended September 30, 2023.

Period	Total Number of Shares Purchased (1)		Average Price Paid Per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs		Maximum Number of Shares Available for Repurchase Under the Plans or Programs
July 1 - 31, 2023		441	$	15.20		—		4,300,059
August 1 - 31, 2023		2,146	$	17.47		—		4,300,059
September 1 - 30, 2023		5,397	$	16.83		—		4,300,059
Total		7,984	$	16.91		—		4,300,059

(1)Shares repurchased pursuant to net settlement by employees in satisfaction of income tax withholding obligations incurred through the vesting of Company stock awards.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

Not Applicable

ITEM 4. MINE SAFETY DISCLOSURES

Not Applicable

ITEM 5. OTHER INFORMATION

None

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ITEM 6. EXHIBITS

Exhibit No.	Description of Exhibits
3.1	Second Amended and Restated Bylaws of CVB Financial Corp. dated September 20, 2023 (1)
31.1	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002*
31.2	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002*
32.1	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002**
32.2	Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002**
101.INS	Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document
104	The cover page from the Company’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2023, has been formatted in Inline XBRL.

*	Filed herewith
**	Furnished herewith
(1)	Incorporated herein by reference to Exhibit 3.1 of the Company's Form 8-K filed with the Securities and Exchange Commission on September 21, 2023.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

CVB FINANCIAL CORP.

(Registrant)

Date: November 9, 2023

/s/ E. Allen Nicholson

E. Allen Nicholson

Executive Vice President and Chief Financial Officer

(Principal Financial Officer)

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EX-31.1

Exhibit 31.1

CERTIFICATION

I, David A. Brager, certify that:

1.I have reviewed this quarterly report on Form 10-Q of CVB Financial Corp.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's Board of Directors (or persons performing the equivalent functions):

a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:	November 9, 2023	By:	/s/ David A. Brager
			David A. Brager President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, E. Allen Nicholson, certify that:

1.I have reviewed this quarterly report on Form 10-Q of CVB Financial Corp.;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5.The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's Board of Directors (or persons performing the equivalent functions):

a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:	November 9, 2023	By:	/s/ E. Allen Nicholson
			E. Allen Nicholson Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of CVB Financial Corp. (the “Company”) on Form 10-Q for the period ended September 30, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David A. Brager, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge that:

1.The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	November 9, 2023	By:	/s/ David A. Brager
			David A. Brager President and Chief Executive Officer

EX-32.2

Exhibit 32.2

CERTIFICATION

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of CVB Financial Corp. (the “Company”) on Form 10-Q for the period ended September 30, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, E. Allen Nicholson, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, to the best of my knowledge that:

1.The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	November 9, 2023	By:	/s/ E. Allen Nicholson
			E. Allen Nicholson Chief Financial Officer

XML

Cover Page - shares	9 Months Ended
	Sep. 30, 2023	Oct. 30, 2023
Cover [Abstract]
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Entity Central Index Key	0000354647
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2023
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
Document Period End Date	Sep. 30, 2023
Entity Registrant Name	CVB FINANCIAL CORP.
Entity Current Reporting Status	Yes
Trading Symbol	CVBF
Title of 12(b) Security	Common Stock, No Par Value
Security Exchange Name	NASDAQ
Securities Act 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, Address Line Two	Suite 350
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		139,337,894

XML

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets
Cash and due from banks	$ 176,488	$ 158,236
Interest-earning balances due from Federal Reserve	64,207	45,225
Total cash and cash equivalents	240,695	203,461
Interest-earning balances due from depository institutions	4,108	9,553
Investment securities available-for-sale, at fair value (with amortized cost of $3,526,455 at September 30, 2023, and $3,755,297 at December 31, 2022)	2,873,163	3,255,211
Investment securities held-to-maturity (with fair value of $1,969,318 at September 30, 2023, and $2,155,587 at December 31, 2022)	2,489,441	2,554,301
Total investment securities	5,362,604	5,809,512
Investment in stock of Federal Home Loan Bank (FHLB)	18,012	27,627
Loans and lease finance receivables	8,877,632	9,079,392
Allowance for credit losses	(88,995)	(85,117)
Net loans and lease finance receivables	8,788,637	8,994,275
Premises and equipment, net	44,561	46,698
Bank owned life insurance (BOLI)	259,468	255,528
Accrued interest receivable	45,341	46,692
Intangibles	16,736	21,742
Goodwill	765,822	765,822
Income taxes	214,506	186,684
Other assets	142,525	108,946
Total assets	15,903,015	16,476,540
Deposits:
Noninterest-bearing	7,586,649	8,164,364
Interest-bearing	4,772,137	4,671,881
Total deposits	12,358,786	12,836,245
Customer repurchase agreements	269,552	565,431
Other borrowings	1,120,000	995,000
Deferred compensation	22,130	22,092
Other liabilities	181,146	109,255
Total liabilities	13,951,614	14,528,023
Commitments and Contingencies
Stockholders' Equity
Common stock, authorized, 225,000,000 shares without par; issued and outstanding 139,337,699 at September 30, 2023, and 139,818,703 at December 31, 2022	1,286,460	1,300,466
Retained earnings	1,092,079	1,002,847
Accumulated other comprehensive (loss), net of tax	(427,138)	(354,796)
Total stockholders' equity	1,951,401	1,948,517
Total liabilities and stockholders' equity	$ 15,903,015	$ 16,476,540

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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Amortized cost	$ 3,526,455	$ 3,755,297
Fair Value, Held-to-maturity	$ 1,969,318	$ 2,155,587
Common stock, authorized	225,000,000	225,000,000
Common stock, shares issued	139,337,699	139,818,703
Common stock, shares outstanding	139,337,699	139,818,703

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Condensed Consolidated Statements of Earnings and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest income:
Loans and leases, including fees	$ 113,190	$ 100,077	$ 332,574	$ 282,308
Investment securities:
Investment securities available-for-sale	22,441	18,543	61,393	48,417
Investment securities held-to-maturity	13,576	12,834	41,272	35,211
Total investment income	36,017	31,377	102,665	83,628
Dividends from FHLB stock	598	258	1,430	902
Interest-earning deposits with other institutions	6,422	3,476	11,583	5,712
Total interest income	156,227	135,188	448,252	372,550
Interest expense:
Deposits	16,517	1,728	32,647	4,056
Borrowings and customer repurchase agreements	16,339	122	46,971	376
Total interest expense	32,856	1,850	79,618	4,432
Net interest income before (recapture of) provision for credit losses	123,371	133,338	368,634	368,118
Provision for (recapture of) credit losses	2,000	2,000	4,000	8,100
Net interest income after provision for (recapture of) credit losses	121,371	131,338	364,634	360,018
Noninterest income:
BOLI income	1,548	1,987	4,834	3,939
Gain on sale of building, net	0	0	0	2,717
Other	4,099	1,127	9,393	5,490
Total noninterest income	14,309	11,590	40,167	37,524
Noninterest expense:
Salaries and employee benefits	34,744	33,233	103,539	97,442
Occupancy and equipment	5,618	5,779	16,585	16,917
Professional services	2,117	2,438	6,375	6,788
Computer software expense	3,648	3,243	10,372	10,141
Marketing and promotion	1,628	1,488	4,664	4,584
Amortization of intangible assets	1,567	1,846	5,006	5,842
(Recapture of) provision for unfunded loan commitments	(900)	0	0	0
Acquisition related expenses	0	0	0	6,013
Other	6,636	5,000	17,415	14,409
Total noninterest expense	55,058	53,027	163,956	162,136
Earnings before income taxes	80,622	89,901	240,845	235,406
Income taxes	22,735	25,262	67,918	66,149
Net earnings	57,887	64,639	172,927	169,257
Other comprehensive (loss) income:
Unrealized (loss) gain on securities arising during the period, before tax	(133,864)	(194,016)	(127,626)	(538,825)
Less: Income tax benefit (expense) related to items of other comprehensive (loss) income	41,894	57,358	37,730	159,296
Unrealized gain on derivatives designated as hedging instruments arising during the period	9,708	0	17,554	0
Other comprehensive (loss) income, net of tax	(82,262)	(136,658)	(72,342)	(379,529)
Comprehensive (loss) income	$ (24,375)	$ (72,019)	$ 100,585	$ (210,272)
Basic earnings per common share	$ 0.42	$ 0.46	$ 1.24	$ 1.2
Diluted earnings per common share	$ 0.42	$ 0.46	$ 1.24	$ 1.2
Service Charges on Deposit Accounts [Member]
Noninterest income:
Revenue from contract with customer, including assessed tax	$ 5,062	$ 5,233	$ 15,244	$ 15,625
Trust and Investment Services [Member]
Noninterest income:
Revenue from contract with customer, including assessed tax	3,246	2,867	9,475	8,651
Bankcard Services [Member]
Noninterest income:
Revenue from contract with customer, including assessed tax	$ 354	$ 376	$ 1,221	$ 1,102

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Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Asr Plan [Member]	Common Stock [Member]	Common Stock [Member] Asr Plan [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning balance at Dec. 31, 2021	$ 2,081,503		$ 1,209,903		$ 875,568	$ (3,968)
Beginning balance, shares at Dec. 31, 2021			135,526
Repurchase of common stock	$ (46,206)	$ (70,000)	$ (46,206)	$ 70,000
Repurchase of common stock, shares		(2,994)	(1,971)
Issuance of common stock for acquisition			$ 8,617
Issuance of common stock for acquisition, shares	197,069		197,069
Exercise of stock options	$ 1,305		$ 1,305
Exercise of stock options, shares			82
Shares issued pursuant to stock-based compensation plan	5,638		$ 5,638
Shares issued pursuant to stock-based compensation plan, shares			545
Cash dividends declared on common stock ($0.20 per share)	(80,151)				(80,151)
Net earnings	169,257				169,257
Other comprehensive income (loss)	(379,529)					(379,529)
Ending balance at Sep. 30, 2022	1,878,886		$ 1,297,709		964,674	(383,497)
Ending balance, shares at Sep. 30, 2022			139,805
Beginning balance at Jun. 30, 2022	1,982,211		$ 1,301,050		928,000	(246,839)
Beginning balance, shares at Jun. 30, 2022			140,026
Repurchase of common stock	(5,742)		$ (5,742)
Repurchase of common stock, shares			(239)
Exercise of stock options	340		$ 340
Exercise of stock options, shares			18
Shares issued pursuant to stock-based compensation plan	2,061		$ 2,061
Cash dividends declared on common stock ($0.20 per share)	(27,965)				(27,965)
Net earnings	64,639				64,639
Other comprehensive income (loss)	(136,658)					(136,658)
Ending balance at Sep. 30, 2022	1,878,886		$ 1,297,709		964,674	(383,497)
Ending balance, shares at Sep. 30, 2022			139,805
Beginning balance at Dec. 31, 2022	1,948,517		$ 1,300,466		1,002,847	(354,796)
Beginning balance, shares at Dec. 31, 2022			139,819
Repurchase of common stock	(21,186)		$ (21,186)
Repurchase of common stock, shares			(927)
Exercise of stock options	125		$ 125
Exercise of stock options, shares			7
Shares issued pursuant to stock-based compensation plan	7,055		$ 7,055
Shares issued pursuant to stock-based compensation plan, shares			439
Cash dividends declared on common stock ($0.20 per share)	(83,695)				(83,695)
Net earnings	172,927				172,927
Other comprehensive income (loss)	(72,342)					(72,342)
Ending balance at Sep. 30, 2023	1,951,401		$ 1,286,460		1,092,079	(427,138)
Ending balance, shares at Sep. 30, 2023			139,338
Beginning balance at Jun. 30, 2023	2,001,367		$ 1,284,150		1,062,093	(344,876)
Beginning balance, shares at Jun. 30, 2023			139,343
Repurchase of common stock	(135)		$ (135)
Repurchase of common stock, shares			(8)
Exercise of stock options	52		$ 52
Exercise of stock options, shares			3
Shares issued pursuant to stock-based compensation plan	2,393		$ 2,393
Cash dividends declared on common stock ($0.20 per share)	(27,901)				(27,901)
Net earnings	57,887				57,887
Other comprehensive income (loss)	(82,262)					(82,262)
Ending balance at Sep. 30, 2023	$ 1,951,401		$ 1,286,460		$ 1,092,079	$ (427,138)
Ending balance, shares at Sep. 30, 2023			139,338

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Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Stockholders' Equity [Abstract]
Cash dividends per common share	$ 0.2	$ 0.2	$ 0.6	$ 0.57

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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash Flows from Operating Activities
Interest and dividends received	$ 458,084	$ 374,575
Service charges and other fees received	35,761	32,968
Interest paid	(65,233)	(4,131)
Net cash paid to vendors, employees and others	(181,661)	(147,314)
Income taxes	0	(53,252)
Net cash provided by operating activities	246,951	202,846
Cash Flows from Investing Activities
Proceeds of FHLB stock, net	9,615	4,712
Net change in interest-earning balances from depository institutions	5,445	28,405
Proceeds from repayment of investment securities available-for-sale	282,663	403,184
Proceeds from maturity of investment securities available-for-sale	4	1,226
Purchases of investment securities available-for-sale	(33,737)	(1,142,441)
Proceeds from repayment and maturity of investment securities held-to-maturity	75,913	119,487
Purchases of investment securities held-to-maturity	(2,026)	(622,499)
Net (increase) decrease in equity investments	(60)	1,740
Net decrease (increase) in loan and lease finance receivables	206,059	(97,801)
Proceeds from sale of building, net of selling costs	0	8,315
Purchase of premises and equipment	(2,880)	(4,057)
Proceeds from BOLI death benefit	2,505	8,691
Cash acquired from acquisition, net of cash paid	0	329,001
Net cash provided by (used in) investing activities	543,501	(962,037)
Cash Flows from Financing Activities
Net increase in other deposits	(488,560)	(253,021)
Net increase (decrease) in time deposits	11,101	(33,593)
Net increase (decrease) in other borrowings	125,000	(2,281)
Net decrease in customer repurchase agreements	(295,879)	(174,544)
Cash dividends on common stock	(83,819)	(76,478)
Repurchase of common stock	(21,186)	(46,206)
Repurchase of common stock, ASR Plan	0	(70,000)
Proceeds from exercise of stock options	125	1,305
Net cash used in financing activities	(753,218)	(654,818)
Net increase (decrease) in cash and cash equivalents	37,234	(1,414,009)
Cash and cash equivalents, beginning of period	203,461	1,732,548
Cash and cash equivalents, end of period	240,695	318,539
Reconciliation of Net Earnings to Net Cash Provided by Operating Activities
Net earnings	172,927	169,257
Adjustments to reconcile net earnings to net cash provided by operating activities:
Gain on sale of building, net	0	(2,717)
Increase in BOLI	(4,834)	(3,939)
Net amortization of premiums and discounts on investment securities	13,807	21,794
Accretion of discount for acquired loans, net	(2,892)	(6,115)
Provision for credit losses	4,000	8,100
Stock-based compensation	7,055	5,638
Depreciation and amortization, net	13,985	9,426
Change in other assets and liabilities	42,903	1,402
Total adjustments	74,024	33,589
Net cash provided by operating activities	246,951	202,846
Supplemental Disclosure of Non-cash Investing Activities
Securities purchased and not settled	0	8,697
Issuance of common stock for acquisitions	$ 0	$ 197,069

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Business

9 Months Ended

Sep. 30, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Business

1. 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’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 throughout California. As of September 30, 2023, the Bank operated 62 banking centers and three trust office locations. The Company is headquartered in the city of Ontario, California.

On January 7, 2022, we completed the acquisition of Suncrest Bank ("Suncrest") with approximately $1.4 billion in total assets, acquired at fair value, and seven banking centers. Assets acquired included $765.9 million of acquired net loans at fair value, $131.1 million of investment securities, and $9 million in Bank-Owned Life Insurance ("BOLI"). The acquisition resulted in $102.1 million of goodwill and $3.9 million in core deposit premium. Net cash proceeds were used to fund the $39.6 million in cash paid to the former shareholders of Suncrest as part of the merger consideration. Refer to Note 4 – Business Combinations of the notes to the unaudited condensed consolidated financial statements of this report for additional information.

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Basis of Presentation

9 Months Ended

Sep. 30, 2023

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 and nine months ended September 30, 2023 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, 2022, 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.

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Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2023

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, 2022 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 Standards

On January 1, 2023, the Company adopted Accounting Standard Update ("ASU") 2022-02 Financial Instruments-Credit Losses (Topic 326): Troubled Debt Restructurings ("TDR") and Vintage Disclosures. This ASU eliminates recognition and measurement guidance for TDRs by creditors in Subtopic 310-40, Receivables-Troubled Debt Restructurings by Creditors, while enhancing disclosure requirements for certain loan refinancings and restructurings by creditors when a borrower is experiencing financial difficulty, and to require that an entity disclose current-period gross write-offs by year of origination (i.e. the vintage year) for financing receivables and net investments in leases within the scope of Subtopic 326-20, Financial Instruments-Credit Losses-Measured at Amortized Cost. For entities that have adopted ASU 2016-13, this ASU is effective for interim and reporting periods beginning after December 15, 2022. The Company adopted this ASU on a prospective basis. Results for reporting periods beginning after January 1, 2023 are presented under ASU 2022-02 while prior period amounts continue to be reported in accordance with previously applicable GAAP. The adoption of this ASU did not have a material impact on our consolidated financial statements.

In March 2023, the FASB issued ASU 2023-02 Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method, which expands the population of investments for which an investor may elect to apply the proportional amortization method. Under this ASU, an investor in a tax equity investment may elect the proportional amortization method for qualifying investments on a tax credit program-by-program basis. To qualify for the proportional amortization method, an investment must meet the criteria previously applicable to Low Income Housing Tax Credit ("LIHTC") investments, as clarified by the ASU. This ASU is effective in the first quarter of 2024. Early adoption is permitted as of an interim period with retrospective application to the beginning of the fiscal year.

The Bank invests in various tax credit partnerships pursuant to Sections 42 and 48 of the Internal Revenue Code of 1986 (the “Code”). The Bank acts as a limited partner in these investments and does not exercise control over the operating or financial policies of the partnerships and as such, is not considered the primary beneficiary of the partnership. Upon entering into new solar tax equity investments in the second quarter of 2023, the Company adopted ASU 2023-02 on a prospective basis and implemented the proportional amortization method of accounting. The proportional amortization method recognizes the amortization of the cost of the investment as a component of income tax expense.

In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform: Facilitation of the Effects of Reference Rate Reform on Financial Reporting. The amendments in this update provide temporary, optional guidance to ease the potential burden in accounting for transitioning away from reference rates such as LIBOR. The amendments provide optional expedients and exceptions for applying GAAP to transactions affected by reference rate reform if certain criteria are met. The amendments primarily include relief related to contract modifications and hedging relationships, as well as providing a one-time election for the sale or transfer of debt securities classified as held-to-maturity. This ASU was effective in June 2023. and it did not have a material impact on our consolidated financial statements. As a result of the phase out of LIBOR, our interest rate swap derivatives and the associated loans that were indexed to LIBOR, have been replaced with one month CME Term SOFR. The Bank will continue to use multiple alternative indices as replacements for LIBOR for newly originated instruments. All remaining financial instruments indexed to LIBOR have been transitioned to a replacement index, as of June 30, 2023.

In March 2022, the FASB issued ASU 2022-01, Derivatives and Hedging (Topic 815): Fair Value Hedging—Portfolio Layer Method, was effective in the first quarter of 2023. The amendments in ASU 2022-01 allow non-prepayable financial assets to be included in a closed portfolio hedged using the portfolio layer method. That expanded scope permits an entity to apply the same portfolio hedging method to both prepayable and non-prepayable financial assets, thereby allowing consistent accounting for similar hedges. This ASU expanded the previous single-layer model to allow multiple hedged layers of a single closed portfolio. As a result, an entity can achieve hedge accounting for hedges of a greater proportion of the interest rate risk inherent in the assets included in the closed portfolio, further aligning hedge accounting with risk management strategies. To reflect that expansion, the last-of-layer method is renamed the portfolio layer method. This ASU also clarifies that fair value basis adjustments in an existing portfolio layer method hedge are maintained at the closed portfolio level (Balance Sheet line item level) and are therefore not allocated to individual assets. In June 2023, fair value hedging transactions were executed in which $1.0 billion notional pay-fixed interest rate swaps were consummated with maturities ranging from four to five years in which the Company pays a weighted average fixed rate of approximately 3.8% and receives daily SOFR. The fair value of these instruments totaled $24.9 million on September 30, 2023. This pay-fixed interest rate swap is designated as a partial-term fair value hedge using the Portfolio Layer Method, in accordance with ASU 2022-01. Refer to Note 10 – Derivative Financial Instruments of the notes to the unaudited condensed consolidated financial statements of this report for additional information.

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Business Combinations

9 Months Ended

Sep. 30, 2023

Business Combinations [Abstract]

Business combinations

4. BUSINESS COMBINATIONS

On January 7, 2022, the Company completed the acquisition of Suncrest, headquartered in Visalia, California. The Company acquired all of the assets and assumed all of the liabilities of Suncrest in a stock and cash transaction for $39.6 million in cash and $197.1 million in stock. As a result, Suncrest merged with and into the Bank, the principal subsidiary of CVB. The Company believes this transaction serves to further extend and strengthen its geographic presence in California’s Central Valley and the Sacramento metro area. At close, Suncrest had seven branch locations and two loan production offices, which re-opened as CBB locations on January 10, 2022. As a result of the consolidation of two branches during the second quarter of 2022, five branch locations remain from this acquisition.

The assets acquired and liabilities assumed have been accounted for under the acquisition method of accounting. The total fair value of assets acquired approximated $1.38 billion in total assets, including $329.0 million of cash and cash equivalents, net of cash paid, $131.1 million of investment securities, $765.9 million in net loans, $6.1 million in premises and equipment, $9.0 million in BOLI, and $33.7 million in other assets. The purchased credit deteriorated (“PCD”) loans were recorded at a fair value of $224.7 million, which was net of a discount of $13.1 million including a credit discount of $8.6 million. The assets acquired also include a core deposit intangible of $3.9 million and non-tax deductible goodwill of $102.1 million. Goodwill from the acquisition represents the excess of the purchase price over the fair value of the net tangible and intangible assets acquired. The total fair value of liabilities assumed was $1.19 billion, which included $512.8 million of noninterest-bearing deposits and $669.8 million of interest-bearing deposits, and $6.2 million in other liabilities. The assets and liabilities, both tangible and intangible, were recorded at their estimated fair values as of January 7, 2022. Goodwill is not tax deductible for income tax purposes.

We have included the financial results of the business combination in the condensed consolidated statement of earnings and comprehensive income beginning on the acquisition date. Supplementary pro forma financial information related to the acquisition is not included because the impact to the Company's consolidated statements of income is not material.

For the nine months ended September 30, 2022, the Company incurred non-recurring merger related expenses associated with the Suncrest acquisition of $6.0 million.

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Investment Securities

9 Months Ended

Sep. 30, 2023

Investments, Debt and Equity Securities [Abstract]

Investment Securities

5. INVESTMENT SECURITIES

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

	September 30, 2023
	Amortized Cost		Gross Unrealized Holding Gain		Gross Unrealized Holding Loss			Fair Value		Total Percent
	(Dollars in thousands)
Investment securities available-for-sale:
Government agency/GSE	$	34,126	$	—	$	(17	)	$	34,109		1.19	%
Mortgage-backed securities		2,925,382		1		(488,759	)		2,436,624		84.81	%
CMO/REMIC		514,161		—		(136,663	)		377,498		13.13	%
Municipal bonds		26,799		23		(3,009	)		23,813		0.83	%
Other securities		1,119		—		—			1,119		0.04	%
Unallocated portfolio layer fair value basis adjustments (1)		24,868		—		(24,868	)		—		0.00	%
Total available-for-sale securities	$	3,526,455	$	24	$	(653,316	)	$	2,873,163		100.00	%
Investment securities held-to-maturity:
Government agency/GSE	$	534,814	$	—	$	(123,981	)	$	410,833		21.48	%
Mortgage-backed securities		673,413		—		(134,290	)		539,123		27.05	%
CMO/REMIC		812,006		—		(194,237	)		617,769		32.62	%
Municipal bonds		469,208		4		(67,619	)		401,593		18.85	%
Total held-to-maturity securities	$	2,489,441	$	4	$	(520,127	)	$	1,969,318		100.00	%

(1)Represents the amount of portfolio layer method basis adjustments related to AFS MBS securities hedged in a closed portfolio. Under U.S. GAAP, portfolio layer method basis adjustments are not allocated to individual securities, however the amounts impact the unrealized gains or losses for the individual securities being hedged. Refer to Note 3 and Note 10 for additional information.

	December 31, 2022
	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	$	3,192,151	$	39	$	(403,049	)	$	2,789,141		85.68	%
CMO/REMIC		535,269		—		(95,966	)		439,303		13.50	%
Municipal bonds		26,797		67		(1,177	)		25,687		0.79	%
Other securities		1,080		—		—			1,080		0.03	%
Total available-for-sale securities	$	3,755,297	$	106	$	(500,192	)	$	3,255,211		100.00	%
Investment securities held-to-maturity:
Government agency/GSE	$	548,771	$	—	$	(114,343	)	$	434,428		21.48	%
Mortgage-backed securities		706,796		—		(105,867	)		600,929		27.67	%
CMO/REMIC		827,346		—		(131,730	)		695,616		32.39	%
Municipal bonds		471,388		913		(47,687	)		424,614		18.46	%
Total held-to-maturity securities	$	2,554,301	$	913	$	(399,627	)	$	2,155,587		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 federal income tax.

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2023		2022		2023		2022
	(Dollars in thousands)
Investment securities available-for-sale:
Taxable	$	22,272	$	18,371	$	60,887	$	47,883
Tax-advantaged		169		172		506		534
Total interest income from available-for-sale securities		22,441		18,543		61,393		48,417
Investment securities held-to-maturity:
Taxable		11,139		10,845		33,939		29,927
Tax-advantaged		2,437		1,989		7,333		5,284
Total interest income from held-to-maturity securities		13,576		12,834		41,272		35,211
Total interest income from investment securities	$	36,017	$	31,377	$	102,665	$	83,628

Approximately 91% of the total investment securities portfolio at September 30, 2023 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 CECL model was zero at September 30, 2023 and December 31, 2022.

The following table presents the Company’s available-for-sale and held-to-maturity investment securities, by investment category, in an unrealized loss position for which an allowance for credit losses has not been recorded as of September 30, 2023 and December 31, 2022.

	September 30, 2023
	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:
Government agency/GSE	$	34,109	$	(17	)	$	—	$	—		$	34,109	$	(17	)
Mortgage-backed securities		825		(16	)		2,435,125		(488,743	)		2,435,950		(488,759	)
CMO/REMIC		3		—			377,495		(136,663	)		377,498		(136,663	)
Municipal bonds		5,699		(451	)		16,948		(2,558	)		22,647		(3,009	)
Total available-for-sale securities	$	40,636	$	(484	)	$	2,829,568	$	(627,964	)	$	2,870,204	$	(628,448	)
Investment securities held-to-maturity:
Government agency/GSE	$	—	$	—		$	410,833	$	(123,981	)	$	410,833	$	(123,981	)
Mortgage-backed securities		—		—			539,123		(134,290	)		539,123		(134,290	)
CMO/REMIC		—		—			617,769		(194,237	)		617,769		(194,237	)
Municipal bonds		109,966		(7,127	)		288,267		(60,492	)		398,233		(67,619	)
Total held-to-maturity securities	$	109,966	$	(7,127	)	$	1,855,992	$	(513,000	)	$	1,965,958	$	(520,127	)

	December 31, 2022
	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	$	1,658,331	$	(187,842	)	$	1,129,257	$	(215,207	)	$	2,787,588	$	(403,049	)
CMO/REMIC		54,005		(4,796	)		385,295		(91,170	)		439,300		(95,966	)
Municipal bonds		24,507		(1,177	)		—		—			24,507		(1,177	)
Total available-for-sale securities	$	1,736,843	$	(193,815	)	$	1,514,552	$	(306,377	)	$	3,251,395	$	(500,192	)
Investment securities held-to-maturity:
Government agency/GSE		179,348		(39,866	)		255,080		(74,477	)		434,428		(114,343	)
Mortgage-backed securities		188,480		(9,042	)		412,449		(96,825	)		600,929		(105,867	)
CMO/REMIC		376,540		(60,598	)		319,076		(71,132	)		695,616		(131,730	)
Municipal bonds		312,702		(35,656	)		53,350		(12,031	)		366,052		(47,687	)
Total held-to-maturity securities	$	1,057,070	$	(145,162	)	$	1,039,955	$	(254,465	)	$	2,097,025	$	(399,627	)

At September 30, 2023, investment securities with carrying values of $2.16 billion were pledged to secure various types of deposits, including $1.34 billion of public funds. In addition, investment securities with carrying values of $2.94 billion were pledged to secure $433.5 million for repurchase agreements, $870 million for outstanding borrowings, $1.58 billion for unused borrowing capacity and approximately $52 million for other purposes as required or permitted by law.

At December 31, 2022, investment securities with carrying values of $1.56 billion were pledged to secure various types of deposits, including $1.13 billion of public funds. In addition, investment securities, with carrying values of $3.15 billion were pledged to secure $652.0 million for repurchase agreements, $550 million for outstanding borrowings, $105 million for unused borrowing capacity and approximately $27 million for other purposes as required or permitted by law.

The amortized cost and fair value of debt securities at September 30, 2023, by contractual maturity, are shown in the table below. Although mortgage-backed and CMO/REMIC securities have weighted average remaining contractual maturities of approximately 23 years, 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.

	September 30, 2023
	Available-for-sale				Held-to-maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
			(Dollars in thousands)
Due in one year or less	$	35,816	$	35,794	$	12,414	$	11,874
Due after one year through five years		321,428		278,310		34,306		32,206
Due after five years through ten years		2,403,432		1,964,310		323,267		273,094
Due after ten years		765,779		594,749		2,119,454		1,652,144
Total investment securities	$	3,526,455	$	2,873,163	$	2,489,441	$	1,969,318

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 through September 30, 2023.

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Loans and Lease Finance Receivables and Allowance for Credit Losses

9 Months Ended

Sep. 30, 2023

Receivables [Abstract]

Loans and Lease Finance Receivables and Allowance for Credit Losses

6. 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.

	September 30, 2023			December 31, 2022
	(Dollars in thousands)
Commercial real estate	$	6,843,059		$	6,884,948
Construction		63,022			88,271
SBA		283,124			290,908
SBA - Paycheck Protection Program (PPP)		3,233			9,087
Commercial and industrial		938,064			948,683
Dairy & livestock and agribusiness		351,463			433,564
Municipal lease finance receivables		75,621			81,126
SFR mortgage		268,171			266,024
Consumer and other loans		51,875			76,781
Total loans, at amortized cost		8,877,632			9,079,392
Less: Allowance for credit losses		(88,995	)		(85,117	)
Total loans and lease finance receivables, net	$	8,788,637		$	8,994,275

As of September 30, 2023, 80.81% of the Company’s total loan portfolio consisted of real estate loans, with commercial real estate loans representing 77.08% of total loans. The Company’s real estate loans and construction loans are secured by real properties primarily located in California. As of September 30, 2023, $509.2 million, or 7.44% of the total commercial real estate loans included loans secured by farmland, compared to $517.8 million, or 7.52%, at December 31, 2022. The loans secured by farmland included $133.2 million for loans secured by dairy & livestock land and $376.0 million for loans secured by agricultural land at September 30, 2023, compared to $140.5 million for loans secured by dairy & livestock land and $377.3 million for loans secured by agricultural land at December 31, 2022. As of September 30, 2023, dairy & livestock and agribusiness loans of $351.5 million were comprised of $301.5 million for dairy & livestock loans and $50.0 million for agribusiness loans, compared to $433.6 million comprised of $388.5 million of dairy & livestock loans and $45.1 million of agribusiness loans December 31, 2022.

At September 30, 2023 and December 31, 2022, loans totaling $4.35 billion and $4.30 billion, respectively, were pledged to secure available lines of credit from the FHLB and the Federal Reserve Bank.

There were no outstanding loans held-for-sale as of September 30, 2023 and December 31, 2022.

Credit Quality Indicators

We monitor credit quality by evaluating various risk attributes and utilize such information in our evaluation of the appropriateness of the allowance for credit losses. Internal credit risk ratings, within our loan risk rating system, are the credit quality indicators that we most closely monitor.

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 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: 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, and includes gross charge-offs in accordance with ASU 2022-02 effective January 1, 2023, as of the dates presented.

	Origination Year												Revolving loans amortized		Revolving loans converted to
September 30, 2023	2023		2022		2021		2020		2019		Prior		cost basis		term loans		Total
	(Dollars in thousands)
Commercial real estate    loans:
Risk Rating:
Pass	$	373,704	$	1,327,377	$	1,159,196	$	900,512	$	508,645	$	2,119,797	$	160,435	$	38,875	$	6,588,541
Special Mention		3,256		4,417		16,273		28,896		42,458		77,508		1,911		—		174,719
Substandard		244		8,168		—		22,598		12,769		35,220		800		—		79,799
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Commercial real    estate loans:	$	377,204	$	1,339,962	$	1,175,469	$	952,006	$	563,872	$	2,232,525	$	163,146	$	38,875	$	6,843,059
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Construction loans:
Risk Rating:
Pass	$	375	$	14,984	$	24,400	$	8,062	$	—	$	—	$	15,201	$	—	$	63,022
Special Mention		—		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		—		—		—
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Construction    loans:	$	375	$	14,984	$	24,400	$	8,062	$	—	$	—	$	15,201	$	—	$	63,022
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
SBA loans:
Risk Rating:
Pass	$	20,163	$	50,643	$	53,354	$	34,387	$	6,249	$	110,538	$	—	$	—	$	275,334
Special Mention		—		—		—		—		1,890		2,560		—		—		4,450
Substandard		—		—		—		—		—		3,340		—		—		3,340
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SBA loans:	$	20,163	$	50,643	$	53,354	$	34,387	$	8,139	$	116,438	$	—	$	—	$	283,124
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	207	$	—	$	—	$	207
SBA - PPP loans:
Risk Rating:
Pass	$	—	$	—	$	809	$	2,424	$	—	$	—	$	—	$	—	$	3,233
Special Mention		—		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		—		—		—
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SBA - PPP loans:	$	—	$	—	$	809	$	2,424	$	—	$	—	$	—	$	—	$	3,233
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial and    industrial loans:
Risk Rating:
Pass	$	116,890	$	152,983	$	107,790	$	93,749	$	73,760	$	102,963	$	248,769	$	6,218	$	903,122
Special Mention		7,418		986		1,300		643		4,482		4,110		5,098		5,702		29,739
Substandard		—		273		—		—		89		1,304		2,487		1,050		5,203
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Commercial and    industrial loans:	$	124,308	$	154,242	$	109,090	$	94,392	$	78,331	$	108,377	$	256,354	$	12,970	$	938,064
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	16	$	—	$	—	$	16

	Origination Year												Revolving loans amortized		Revolving loans converted to
September 30, 2023	2023		2022		2021		2020		2019		Prior		cost basis		term loans		Total
	(Dollars in thousands)
Dairy & livestock and    agribusiness loans:
Risk Rating:
Pass	$	247	$	—	$	2,074	$	1,054	$	120	$	205	$	280,524	$	—	$	284,224
Special Mention		463		—		—		—		61		—		62,670		1,304		64,498
Substandard		—		—		—		—		—		208		2,498		35		2,741
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Dairy & livestock    and agribusiness    loans:	$	710	$	—	$	2,074	$	1,054	$	181	$	413	$	345,692	$	1,339	$	351,463
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Municipal lease finance    receivables loans:
Risk Rating:
Pass	$	—	$	5,989	$	26,088	$	6,188	$	4,266	$	32,867	$	—	$	—	$	75,398
Special Mention		—		—		—		—		—		223		—		—		223
Substandard		—		—		—		—		—		—		—		—		—
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Municipal lease    finance receivables    loans:	$	—	$	5,989	$	26,088	$	6,188	$	4,266	$	33,090	$	—	$	—	$	75,621
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
SFR mortgage loans:
Risk Rating:
Pass	$	16,831	$	61,882	$	43,841	$	44,529	$	28,963	$	69,010	$	—	$	—	$	265,056
Special Mention		750		—		—		924		558		339		—		—		2,571
Substandard		—		—		—		—		—		205		—		339		544
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SFR mortgage    loans:	$	17,581	$	61,882	$	43,841	$	45,453	$	29,521	$	69,554	$	—	$	339	$	268,171
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Consumer and other    loans:
Risk Rating:
Pass	$	2,548	$	4,763	$	2,967	$	830	$	710	$	525	$	36,846	$	900	$	50,089
Special Mention		—		—		278		—		—		—		5		884		1,167
Substandard		—		—		—		—		—		11		7		601		619
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Consumer and    other loans:	$	2,548	$	4,763	$	3,245	$	830	$	710	$	536	$	36,858	$	2,385	$	51,875
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	1	$	—	$	—	$	1
Total Loans, at amortized cost:
Risk Rating:
Pass	$	530,758	$	1,618,621	$	1,420,519	$	1,091,735	$	622,713	$	2,435,905	$	741,775	$	45,993	$	8,508,019
Special Mention		11,887		5,403		17,851		30,463		49,449		84,740		69,684		7,890		277,367
Substandard		244		8,441		—		22,598		12,858		40,288		5,792		2,025		92,246
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Loans at amortized cost:	$	542,889	$	1,632,465	$	1,438,370	$	1,144,796	$	685,020	$	2,560,933	$	817,251	$	55,908	$	8,877,632
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	224	$	—	$	—	$	224

	Origination Year												Revolving loans amortized		Revolving loans converted to
December 31, 2022	2022		2021		2020		2019		2018		Prior		cost basis		term loans		Total
	(Dollars in thousands)
Commercial real estate    loans:
Risk Rating:
Pass	$	1,363,733	$	1,197,290	$	957,965	$	542,827	$	506,613	$	1,889,478	$	175,373	$	39,616	$	6,672,895
Special Mention		3,285		12,114		11,284		32,976		21,646		76,290		908		—		158,503
Substandard		—		—		15,624		16,297		94		21,535		—		—		53,550
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Commercial real    estate loans:	$	1,367,018	$	1,209,404	$	984,873	$	592,100	$	528,353	$	1,987,303	$	176,281	$	39,616	$	6,884,948
Construction loans:
Risk Rating:
Pass	$	17,203	$	26,689	$	16,578	$	—	$	—	$	—	$	22,850	$	—	$	83,320
Special Mention		—		—		—		—		4,951		—		—		—		4,951
Substandard		—		—		—		—		—		—		—		—		—
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Construction    loans:	$	17,203	$	26,689	$	16,578	$	—	$	4,951	$	—	$	22,850	$	—	$	88,271
SBA loans:
Risk Rating:
Pass	$	60,623	$	54,781	$	35,243	$	7,460	$	28,886	$	96,473	$	1,026	$	—	$	284,492
Special Mention		—		—		—		1,321		1,293		2,065		—		—		4,679
Substandard		—		—		—		—		556		1,181		—		—		1,737
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SBA loans:	$	60,623	$	54,781	$	35,243	$	8,781	$	30,735	$	99,719	$	1,026	$	—	$	290,908
SBA - PPP loans:
Risk Rating:
Pass	$	—	$	5,515	$	3,572	$	—	$	—	$	—	$	—	$	—	$	9,087
Special Mention		—		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		—		—		—
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SBA - PPP loans:	$	—	$	5,515	$	3,572	$	—	$	—	$	—	$	—	$	—	$	9,087
Commercial and    industrial loans:
Risk Rating:
Pass	$	154,765	$	135,162	$	80,763	$	101,192	$	42,731	$	85,406	$	305,589	$	7,775	$	913,383
Special Mention		3,955		761		459		1,693		462		8		15,156		544		23,038
Substandard		494		—		728		959		5,624		496		3,200		761		12,262
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Commercial and    industrial loans:	$	159,214	$	135,923	$	81,950	$	103,844	$	48,817	$	85,910	$	323,945	$	9,080	$	948,683

	Origination Year												Revolving loans amortized		Revolving loans converted to
December 31, 2022	2022		2021		2020		2019		2018		Prior		cost basis		term loans		Total
	(Dollars in thousands)
Dairy & livestock and    agribusiness loans:
Risk Rating:
Pass	$	207	$	2,318	$	1,515	$	187	$	69	$	628	$	400,229	$	450	$	405,603
Special Mention		—		—		—		599		46		—		17,129		853		18,627
Substandard		1,041		—		40		—		95		113		1,841		6,204		9,334
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Dairy & livestock    and agribusiness    loans:	$	1,248	$	2,318	$	1,555	$	786	$	210	$	741	$	419,199	$	7,507	$	433,564
Municipal lease finance    receivables loans:
Risk Rating:
Pass	$	6,442	$	26,858	$	6,814	$	4,327	$	4,948	$	31,292	$	—	$	—	$	80,681
Special Mention		—		—		—		—		—		262		—		—		262
Substandard		—		—		—		—		—		183		—		—		183
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Municipal lease    finance receivables    loans:	$	6,442	$	26,858	$	6,814	$	4,327	$	4,948	$	31,737	$	—	$	—	$	81,126
SFR mortgage loans:
Risk Rating:
Pass	$	63,761	$	46,748	$	45,819	$	33,585	$	15,836	$	58,730	$	—	$	—	$	264,479
Special Mention		—		—		943		—		—		—		—		—		943
Substandard		—		—		—		—		—		214		—		388		602
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SFR mortgage    loans:	$	63,761	$	46,748	$	46,762	$	33,585	$	15,836	$	58,944	$	—	$	388	$	266,024
Consumer and other    loans:
Risk Rating:
Pass	$	7,653	$	3,722	$	1,298	$	926	$	79	$	1,277	$	58,578	$	1,107	$	74,640
Special Mention		—		561		—		—		—		—		590		—		1,151
Substandard		—		—		—		—		—		13		5		972		990
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Consumer and    other loans:	$	7,653	$	4,283	$	1,298	$	926	$	79	$	1,290	$	59,173	$	2,079	$	76,781
Total Loans, at amortized cost:
Risk Rating:
Pass	$	1,674,387	$	1,499,083	$	1,149,567	$	690,504	$	599,162	$	2,163,284	$	963,645	$	48,948	$	8,788,580
Special Mention		7,240		13,436		12,686		36,589		28,398		78,625		33,783		1,397		212,154
Substandard		1,535		—		16,392		17,256		6,369		23,735		5,046		8,325		78,658
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Loans at amortized cost:	$	1,683,162	$	1,512,519	$	1,178,645	$	744,349	$	633,929	$	2,265,644	$	1,002,474	$	58,670	$	9,079,392

Allowance for Credit Losses ("ACL")

Our allowance for credit losses is based upon lifetime loss rate models developed from an estimation framework that uses historical lifetime loss experiences to derive loss rates at a collective pool level. We measure the expected credit losses on a collective (pooled) basis for those loans that share similar risk characteristics. We have three collective loan pools: Commercial Real Estate, Commercial and Industrial, and Consumer. Our ACL amounts are largely driven by portfolio characteristics, including loss history and various risk attributes, and the economic outlook for certain macroeconomic variables. Risk attributes for commercial real estate loans include Original Loan to Value ratios ("OLTV"), origination year, loan seasoning, and macroeconomic variables that include GDP growth, commercial real estate price index and unemployment rate. Risk attributes for commercial and industrial loans include internal risk ratings, borrower industry sector, loan credit spreads and macroeconomic variables that include unemployment rate and BBB spread. The macroeconomic variables for Consumer include unemployment rate and GDP. The Commercial Real Estate methodology is applied over commercial real estate loans, a portion of construction loans, and a portion of SBA loans (excluding Paycheck Protection Program loans). The Commercial and Industrial methodology is applied over a substantial portion of the Company’s commercial and industrial loans, all dairy & livestock and agribusiness loans, municipal lease receivables, as well as the remaining portion of SBA loans (excluding Paycheck Protection Program loans). The Consumer methodology is applied to SFR mortgage loans, consumer loans, as well as the remaining construction loans. In addition to determining the quantitative life of loan loss rate to be applied against the amortized cost basis of the portfolio segments, management reviews current conditions and forecasts to determine whether adjustments are needed to ensure

that the life of loan loss rates reflect both the current state of the portfolio, and expectations for macroeconomic changes. 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 included in our Annual Report on Form 10-K for the year ended December 31, 2022 for a more detailed discussion concerning the allowance for credit losses.

The ACL totaled $89.0 million at September 30, 2023, compared to $85.1 million at December 31, 2022. The $3.9 million increase in the ACL from December 31, 2022 to September 30, 2023 is comprised of $4.0 million in provision for credit losses, offset by $122,000 in net charge-offs. At September 30, 2023, the ACL as a percentage of total loans and leases, at amortized cost, was 1.00%. This compares to 0.94% at December 31, 2022. Our economic forecast continues to be a blend of multiple forecasts produced by Moody’s. The baseline forecast continues to represent the largest weighting in our multi-weighted forecast scenario, with the remaining weighting on forecasts that reflect greater downside risks of recession. As of September 30, 2023, the resulting weighted forecast assumes GDP will increase by 2.1% for all of 2023 and 0.3% for 2024 and then grow by 1.1% in 2025. The unemployment rate is forecasted to be 3.8% in 2023, 5.2% in 2024 and 5.7% in 2025.

Management believes that the ACL was appropriate at September 30, 2023 and December 31, 2022. Due to inflationary pressures, high interest rates, lower commercial real estate values, and geopolitical events, 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 September 30, 2023
	Ending Balance June 30, 2023		Charge-offs			Recoveries		Provision for (Recapture of) Credit Losses			Ending Balance September 30, 2023
	(Dollars in thousands)
Commercial real estate	$	67,943	$	—		$	—	$	2,957		$	70,900
Construction		1,162		—			3		(166	)		999
SBA		2,656		(26	)		48		371			3,049
SBA - PPP		—		—			—		—			—
Commercial and industrial		9,121		—			—		161			9,282
Dairy & livestock and agribusiness		4,960		—			3		(1,396	)		3,567
Municipal lease finance receivables		273		—			—		(27	)		246
SFR mortgage		450		—			—		75			525
Consumer and other loans		402		—			—		25			427
Total allowance for credit losses	$	86,967	$	(26	)	$	54	$	2,000		$	88,995

	Three Months Ended September 30, 2022
	Ending Balance June 30, 2022		Charge-offs			Recoveries		Provision for (Recapture of) Credit Losses			Ending Balance September 30, 2022
	(Dollars in thousands)
Commercial real estate	$	61,513	$	—		$	—	$	3,392		$	64,905
Construction		1,062		—			3		657			1,722
SBA		2,613		—			41		151			2,805
SBA - PPP		—		—			—		—			—
Commercial and industrial		7,194		(45	)		—		(16	)		7,133
Dairy & livestock and agribusiness		6,832		—			381		(2,220	)		4,993
Municipal lease finance receivables		183		—			—		56			239
SFR mortgage		254		—			—		50			304
Consumer and other loans		571		(1	)		—		(70	)		500
Total allowance for credit losses	$	80,222	$	(46	)	$	425	$	2,000		$	82,601

	Nine Months Ended September 30, 2023
	Ending Balance December 31, 2022		Charge-offs			Recoveries		Provision for (Recapture of) Credit Losses			Ending Balance September 30, 2023
	(Dollars in thousands)
Commercial real estate	$	64,806	$	—		$	—	$	6,094		$	70,900
Construction		1,702		—			9		(712	)		999
SBA		2,809		(207	)		69		378			3,049
SBA - PPP		—		—			—		—			—
Commercial and industrial		10,206		(16	)		14		(922	)		9,282
Dairy & livestock and agribusiness		4,400		—			10		(843	)		3,567
Municipal lease finance receivables		296		—			—		(50	)		246
SFR mortgage		366		—			—		159			525
Consumer and other loans		532		(1	)		—		(104	)		427
Total allowance for credit losses	$	85,117	$	(224	)	$	102	$	4,000		$	88,995

	Nine Months Ended September 30, 2022
	Ending Balance December 31, 2021		Charge-offs			Recoveries		Initial ACL for PCD Loans at Acquisition		Provision Recorded at Acquisition		Provision for (Recapture of) Credit Losses			Ending Balance September 30, 2022
	(Dollars in thousands)
Commercial real estate	$	50,950	$	—		$	—	$	5,086	$	4,127	$	4,742		$	64,905
Construction		765		—			9		122		58		768			1,722
SBA		2,668		—			99		62		64		(88	)		2,805
Commercial and industrial		6,669		(66	)		456		500		508		(934	)		7,133
Dairy & livestock and agribusiness		3,066		—			383		2,832		149		(1,437	)		4,993
Municipal lease finance receivables		100		—			—		3		26		110			239
SFR mortgage		188		—			—		—		—		116			304
Consumer and other loans		613		(4	)		—		—		—		(109	)		500
Total allowance for credit losses	$	65,019	$	(70	)	$	947	$	8,605	$	4,932	$	3,168		$	82,601

Past Due and Nonperforming 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 responsible for 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 credit losses, 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 credit 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, 2022, for additional discussion concerning the Bank’s policy for past due and nonperforming loans.

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

	September 30, 2023
	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 real estate
Owner occupied	$	92	$	44	$	3,107	$	3,243	$	2,468,477	$	2,471,720
Non-owner occupied		—		—		531		531		4,370,808		4,371,339
Construction
Speculative (1)		—		—		—		—		53,058		53,058
Non-speculative		—		—		—		—		9,964		9,964
SBA		—		54		996		1,050		282,074		283,124
SBA - PPP		—		—		—		—		3,233		3,233
Commercial and industrial		—		2,487		1,911		4,398		933,666		938,064
Dairy & livestock and agribusiness		—		95		36		131		351,332		351,463
Municipal lease finance receivables		—		—		—		—		75,621		75,621
SFR mortgage		—		—		—		—		268,171		268,171
Consumer and other loans		4		—		—		4		51,871		51,875
Total gross loans	$	96	$	2,680	$	6,581	$	9,357	$	8,868,275	$	8,877,632

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

	December 31, 2022
	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 real estate
Owner occupied	$	—	$	—	$	2,639	$	2,639	$	2,482,471	$	2,485,110
Non-owner occupied		—		—		—		—		4,399,838		4,399,838
Construction
Speculative (1)		—		—		—		—		67,436		67,436
Non-speculative		—		—		—		—		20,835		20,835
SBA		374		182		443		999		289,909		290,908
SBA - PPP		—		—		—		—		9,087		9,087
Commercial and industrial		—		—		1,318		1,318		947,365		948,683
Dairy & livestock and agribusiness		—		—		269		269		433,295		433,564
Municipal lease finance receivables		—		—		—		—		81,126		81,126
SFR mortgage		—		388		—		388		265,636		266,024
Consumer and other loans		175		—		33		208		76,573		76,781
Total gross loans	$	549	$	570	$	4,702	$	5,821	$	9,073,571	$	9,079,392

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

Amortized cost of our finance receivables and loans that are on nonaccrual status, including loans with no allowance are presented as of September 30, 2023 and December 31, 2022 by type of loan.

	September 30, 2023
	Nonaccrual with No Allowance for Credit Losses		Total Nonaccrual (1)		Loans Past Due Over 89 Days Still Accruing
	(Dollars in thousands)
Commercial real estate
Owner occupied	$	3,107	$	3,107	$	—
Non-owner occupied		548		548		—
Construction
Speculative (2)		—		—		—
Non-speculative		—		—		—
SBA		868		1,050		—
SBA - PPP		—		—		—
Commercial and industrial		939		4,672		—
Dairy & livestock and agribusiness		131		243		—
Municipal lease finance receivables		—		—		—
SFR mortgage		339		339		—
Consumer and other loans		—		4		—
Total gross loans	$	5,932	$	9,963	$	—

(1)As of September 30, 2023, $742,000 of nonaccruing loans were current, $4,000 were 30-59 days past due, $2.6 million were 60-89 days past due, and $6.6 million were 90+ days past due.

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

	December 31, 2022
	Nonaccrual with No Allowance for Credit Losses		Total Nonaccrual (1) (3)		Loans Past Due Over 89 Days Still Accruing
	(Dollars in thousands)
Commercial real estate
Owner occupied	$	2,639	$	2,639	$	—
Non-owner occupied		18		18		—
Construction
Speculative (2)		—		—		—
Non-speculative		—		—		—
SBA		268		443		—
SBA - PPP		—		—		—
Commercial and industrial		771		1,320		—
Dairy & livestock and agribusiness		364		477		—
Municipal lease finance receivables		—		—		—
SFR mortgage		—		—		—
Consumer and other loans		34		33		—
Total gross loans	$	4,094	$	4,930	$	—

(1)As of December 31, 2022, $228,000 of nonaccruing loans were current and $4.7 million were 90+ days past due.

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

(3)Excludes $221,000 of guaranteed portion of nonaccrual SBA loans that are in process of collection.

Collateral Dependent Loans

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 dates presented.

	September 30, 2023						Number of Loans
	Real Estate		Business Assets		Other		Dependent on Collateral
	(Dollars in thousands)
Commercial real estate	$	3,655	$	—	$	—		5
Construction		—		—		—		—
SBA		830		220		—		5
SBA - PPP		—		—		—		—
Commercial and industrial		401		3,104		1,167		10
Dairy & livestock and agribusiness		130		—		113		3
Municipal lease finance receivables		—		—		—		—
SFR mortgage		339		—		—		1
Consumer and other loans		—		—		4		1
Total collateral-dependent loans	$	5,355	$	3,324	$	1,284		25

	December 31, 2022						Number of Loans
	Real Estate		Business Assets		Other		Dependent on Collateral
	(Dollars in thousands)
Commercial real estate	$	17,935	$	—	$	—		4
Construction		—		—		—		—
SBA		151		292		—		6
SBA - PPP		—		—		—		—
Commercial and industrial		87		2,774		81		13
Dairy & livestock and agribusiness		269		2,000		208		4
Municipal lease finance receivables		—		—		—		—
SFR mortgage		—		—		—		—
Consumer and other loans		33		—		—		1
Total collateral-dependent loans	$	18,475	$	5,066	$	289		28

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 in the same manner as it evaluates credit risk associated with the loan and lease portfolio. The Bank's ACL methodology produced an allowance of $8.0 million for the off-balance sheet credit exposures as of September 30, 2023. There was no provision or recapture of provision for unfunded loan commitments for the nine months ended September 30, 2023 and September 30, 2022. As of September 30, 2023 and December 31, 2022, the balance in this reserve was $8.0 million and was included in other liabilities.

Modifications of Loans to Borrowers Experiencing Financial Difficulty

The Company adopted Accounting Standards Update (“ASU”) 2022-02, Financial Instruments - Credit Losses (Topic 326) Troubled Debt Restructurings and Vintage Disclosures (“ASU 2022-02”) effective January 1,2023. The amendments in ASU 2022-02 eliminated the recognition and measurement of TDRs and enhanced disclosures for loan modifications to borrowers experiencing financial difficulty.

The table below reflects the amortized cost of loans by type made to borrowers experiencing financial difficulty that were modified during the three months ended September 30, 2023.

	Term Extension
	Amortized Cost Basis		% of Total Class of
	at September 30,2023		Financing Receivables
	(Dollars in thousands)
Commercial real estate loans	$	1,815		0.02	%
Dairy & livestock and agribusiness		4,799		0.05	%
Total	$	6,614
	Combination-Term Extension and Interest Rate Reduction
	Amortized Cost Basis		% of Total Class of
	at September 30,2023		Financing Receivables
Commercial real estate loans	$	690		0.01	%
Total	$	690

The following table describes the financial effect of the loan modifications made to borrowers experiencing financial difficulty during the three months ended September 30, 2023.

Loan Type	Financial Effect
	Term Extension
Commercial real estate loans	Added a weighted-average 1.0 years to the life of loans, which reduced monthly payment amounts for the borrowers.
Dairy & livestock and agribusiness	Added a weighted-average 0.5 years to the life of loans, which reduced monthly payment amounts for the borrowers.
	Combination-Term Extension and Interest Rate Reduction
Commercial real estate loans	Added a weighted-average 7.6 years to the life of loans, which reduced monthly payment amounts for the borrowers; reduced weighted-average contractual interest rate from 10% to 7.25%.

As of September 30, 2023, the Company did not have any loans made to borrowers experiencing financial difficulty that were modified during the first nine months of 2023 that subsequently defaulted. Payment default is defined as movement to nonaccrual (nonperforming) status, foreclosure or charge-off, whichever occurs first.

The following table presents the recorded investment in, and the aging of, past due loans at amortized cost (including nonaccrual loans), by type of loans, made to borrowers experiencing financial difficulty that were modified on or after January 1, 2023, the date we adopted ASU 2022-02.

	Payment Status (amortized cost basis)
	Current		30-89 Days Past Due		90+ Days Past Due
	(Dollars in thousands)
Commercial real estate loans	$	2,505	$	—	$	—
Dairy & livestock and agribusiness		4,799		—		—
Total	$	7,304	$	—	$	—

Prior to January 1, 2023, loans reported as TDRs were considered impaired and charge-off amounts were 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, 2022 for a more detailed discussion regarding TDRs.

As of December 31, 2022, there were $7.8 million of loans classified as a TDR, all of which were performing. 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 December 31, 2022, performing TDRs were comprised of four commercial and industrial loans of $4.8 million, one dairy & livestock and agribusiness loan of $2.0 million, and five SFR mortgage loans of $1.0 million.

The majority of TDRs have no specific allowance allocated as any impairment amount is normally charged off at the time the loan is considered uncollectible. We had no allocated allowance to TDRs as of December 31, 2022 and September 30, 2022.

As of December 31, 2022 and September 30, 2022, there were no loans that were modified as a TDR within the previous 12 months that subsequently defaulted during the twelve months ended December 31, 2022 and the nine months ended September 30, 2022.

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Borrowings

9 Months Ended

Sep. 30, 2023

Disclosure Text Block [Abstract]

Borrowings

7. BORROWINGS

Borrowings as of September 30, 2023, consisted of $870 million from the Federal Reserve's Bank Term Funding Program at a weighted average rate of 4.87%. These borrowings can be prepaid without penalty and mature in May and September of 2024. These borrowings replaced higher cost borrowings from the FHLB. Remaining FHLB borrowings at September 30, 2023 consisted of short-term advances of $250 million, a decrease from $800 million at June 30, 2023, with a cost of approximately 5%. These FHLB advances will mature in the fourth quarter of 2023.

The Bank has $4.7 billion of secured and unused capacity with the FHLB, $1.2 billion of secured unused borrowing capacity at the Fed’s discount window or Bank Term Funding Program, more than $260 million of unpledged AFS securities that could be pledged at the discount window or the Fed’s Bank Term Funding Program and $300 million of unsecured lines of credit.

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Earnings Per Share Reconciliation

9 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Earnings Per Share Reconciliation

8. 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 and nine months ended September 30, 2023 shares deemed to be antidilutive, and thus excluded from the computation of earnings per common share, were 1,096,000 and 1,100,000, respectively. For the three and nine months ended September 30, 2022 shares deemed to be antidilutive, and thus excluded from the computation of earnings per common share, were 66,000 and 247,000, 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 September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(In thousands, except per share amounts)
Earnings per common share:
Net earnings	$	57,887	$	64,639	$	172,927	$	169,257
Less: Net earnings allocated to restricted stock		410		434		1,208		1,080
Net earnings allocated to common shareholders	$	57,477	$	64,205	$	171,719	$	168,177
Weighted average shares outstanding		138,345		138,888		138,361		139,923
Basic earnings per common share	$	0.42	$	0.46	$	1.24	$	1.20
Diluted earnings per common share:
Net income allocated to common shareholders	$	57,477	$	64,205	$	171,719	$	168,177
Weighted average shares outstanding		138,345		138,888		138,361		139,923
Incremental shares from assumed exercise of    outstanding options		136		459		120		300
Diluted weighted average shares outstanding		138,481		139,347		138,481		140,223
Diluted earnings per common share	$	0.42	$	0.46	$	1.24	$	1.20

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Fair Value Information

9 Months Ended

Sep. 30, 2023

Fair Value Disclosures [Abstract]

Fair Value Information

9. 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 valuation methodologies for financial assets and liabilities measured at fair value on a recurring and non-recurring basis are described in Note 19 — Fair Value Information, included in our Annual Report on Form 10-K for the year ended December 31, 2022.

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 September 30, 2023		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:
Government agency/GSE	$	34,109	$	—	$	34,109	$	—
Mortgage-backed securities		2,436,624		—		2,436,624		—
CMO/REMIC		377,498		—		377,498		—
Municipal bonds		23,813		—		23,813		—
Other securities		1,119		—		1,119		—
Total investment securities - AFS		2,873,163		—		2,873,163		—
Derivatives not designated as hedging instruments:
Interest rate swaps		—		—		—		—
Derivatives designated as hedging instruments:
Interest rate swaps		24,868		—		24,868		—
Total assets	$	2,898,031	$	—	$	2,898,031	$	—
Description of liability
Derivatives not designated as hedging instruments:
Interest rate swaps	$	—	$	—	$	—	$	—
Total liabilities	$	—	$	—	$	—	$	—

	Carrying Value at December 31, 2022		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	$	2,789,141	$	—	$	2,789,141	$	—
CMO/REMIC		439,303		—		439,303		—
Municipal bonds		25,687		—		25,687		—
Other securities		1,080		—		1,080		—
Total investment securities - AFS		3,255,211		—		3,255,211		—
Derivatives not designated as hedging instruments:
Interest rate swaps		82		—		82		—
Total assets	$	3,255,293	$	—	$	3,255,293	$	—
Description of liability
Derivatives not designated as hedging instruments:
Interest rate swaps	$	82	$	—	$	82	$	—
Total liabilities	$	82	$	—	$	82	$	—

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 September 30, 2023 and December 31, 2022, 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 September 30, 2023		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 Nine Months Ended September 30, 2023
	(Dollars in thousands)
Description of assets
Loans:
Commercial real estate	$	2,813	$	—	$	—	$	2,813	$	8
Construction		—		—		—		—		—
SBA		209		—		—		209		217
SBA - PPP		—		—		—		—		—
Commercial and industrial		3,575		—		—		3,575		3,100
Dairy & livestock and    agribusiness		4,799		—		—		4,799		57
Municipal lease finance    receivables		—		—		—		—		—
SFR mortgage		—		—		—		—		—
Consumer and other loans		—		—		—		—		—
Other real estate owned		—		—		—		—		—
Asset held-for-sale		—		—		—		—		—
Total assets	$	11,396	$	—	$	—	$	11,396	$	3,382

	Carrying Value at December 31, 2022		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, 2022
	(Dollars in thousands)
Description of assets
Loans:
Commercial real estate	$	2,639	$	—	$	—	$	2,639	$	1
Construction		—		—		—		—		—
SBA		323		—		—		323		182
SBA - PPP		—		—		—		—		2
Commercial and industrial		451		—		—		451		326
Dairy & livestock and    agribusiness		113		—		—		113		113
Municipal lease finance    receivables		—		—		—		—		—
SFR mortgage		—		—		—		—		—
Consumer and other loans		—		—		—		—		2
Other real estate owned		—		—		—		—		—
Asset held-for-sale		—		—		—		—		—
Total assets	$	3,526	$	—	$	—	$	3,526	$	626

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 September 30, 2023 and December 31, 2022, respectively. The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts.

	September 30, 2023
	Carrying		Estimated Fair Value
	Amount		Level 1		Level 2		Level 3		Total
	(Dollars in thousands)
Assets
Total cash and cash equivalents	$	240,695	$	240,695	$	—	$	—	$	240,695
Interest-earning balances due from    depository institutions		4,108		—		4,108		—		4,108
Investment securities available-for-sale		2,873,163		—		2,873,163		—		2,873,163
Investment securities held-to-maturity		2,489,441		—		1,969,318		—		1,969,318
Total loans, net of allowance for credit    losses		8,788,637		—		—		7,961,394		7,961,394
Derivatives not designated as hedging instruments:
Interest rate swaps		—		—		—		—		—
Derivatives designated as hedging instruments:
Interest rate swaps		24,868		—		24,868		—		24,868
Liabilities
Deposits:
Interest-bearing	$	4,772,137	$	—	$	4,766,447	$	—	$	4,766,447
Borrowings		1,389,552		—		1,322,699		—		1,322,699
Junior subordinated debentures		—		—		—		—		—
Derivatives not designated as hedging instruments:
Interest rate swaps		—		—		—		—		—

	December 31, 2022
	Carrying		Estimated Fair Value
	Amount		Level 1		Level 2		Level 3		Total
	(Dollars in thousands)
Assets
Total cash and cash equivalents	$	203,461	$	203,461	$	—	$	—	$	203,461
Interest-earning balances due from    depository institutions		9,553		—		9,553		—		9,553
Investment securities available-for-sale		3,255,211		—		3,255,211		—		3,255,211
Investment securities held-to-maturity		2,554,301		—		2,155,587		—		2,155,587
Total loans, net of allowance for credit    losses		8,994,275		—		—		8,074,952		8,074,952
Derivatives not designated as hedging instruments:
Interest rate swaps		82		—		82		—		82
Liabilities
Deposits:
Interest-bearing	$	4,671,881	$	—	$	4,664,657	$	—	$	4,664,657
Borrowings		1,560,431		—		1,444,659		—		1,444,659
Junior subordinated debentures		—		—		—		—		—
Derivatives not designated as hedging instruments:
Interest rate swaps		82		—		82		—		82

The fair value estimates presented herein are based on pertinent information available to management as of September 30, 2023 and December 31, 2022. 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.

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Derivative Financial Instruments

9 Months Ended

Sep. 30, 2023

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

10. DERIVATIVE FINANCIAL INSTRUMENTS

Derivatives Not Designated as Hedging 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 September 30, 2023, the Bank has entered into 123 interest-rate swap agreements with customers with a notional amount totaling $409.8 million. The Bank then entered into identical offsetting swaps with counterparties. 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 a 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 SOFR 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. 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.

Derivatives Designated as Hedging Instruments

To manage interest rate risk on our AFS securities portfolio, we have entered into pay-fixed, receive-floating interest rate swap contracts to hedge against exposure to changes in the fair value of such securities resulting from changes in interest rates. We designate these interest rate swap contracts as fair value hedges that qualify for hedge accounting under ASC 815, Derivatives and Hedging. We elected to account for the fair value hedges using the portfolio layer method in accordance with ASU 2022-01. We record the interest rate swaps in the line items "accrued interest receivable and other assets" and "other liabilities" on our consolidated balance sheet. For qualifying fair value hedges, both the changes in the fair value of the derivative and the portion of the fair value adjustments associated with the portfolio layer attributable to the hedged risk are recognized into earnings as they occur. Derivative amounts impacting earnings are recognized consistent with the classification of the hedged item in the line item "investment securities available for sale" as part of interest income, a component of consolidated net income.

In June 2023, fair value hedging transactions were executed in which $1.0 billion notional pay-fixed interest rate swaps were consummated with maturities ranging from four to five years in which the Company pays a weighted average fixed rate of approximately 3.8% and receives daily SOFR. The fair value of these instruments totaled $24.9 million at September 30, 2023.

We assess hedge effectiveness under ASC 815 on a quarterly basis to ensure all hedges remain highly effective and hedge accounting under ASC 815 can be applied. In conjunction with the assessment of effectiveness, we assess the hedged item to ensure it is expected to be outstanding at the hedged item’s assumed maturity date and the portfolio layer method of accounting under ASC 815 can be applied.

Balance Sheet Classification of Derivative Financial Instruments

As of September 30, 2023 and December 31, 2022, the total notional amount of the Company’s swaps was $409.8 million, and $425.6 million, respectively. The location of the asset and liability, and their respective fair values, are summarized in the tables below.

	September 30, 2023
	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	$	—	Other liabilities	$	—
Total		$	—		$	—
Derivatives designated as hedging instruments:
Interest rate swaps	Other assets	$	24,868	Other liabilities	$	—
Total		$	24,868		$	—

	December 31, 2022
	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	$	82	Other liabilities	$	82
Total derivatives		$	82		$	82

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 statements of earnings for the periods presented.

	Location of Gain Recognized in Income on Derivative Instruments	Amount of Gain Recognized in Income on Derivative Instruments
		Three Months Ended September 30,				Nine Months Ended September 30,
		2023		2022		2023		2022
Derivatives Not Designated as Hedging Instruments:		(Dollars in thousands)
Interest rate swaps	Other income	$	—	$	—	$	—	$	—
Total		$	—	$	—	$	—	$	—

	Location of Gain Recognized in Income on Derivative Instruments	Amount of Gains (Losses) Recognized in Interest Income on Derivative Instruments								OCI Impact on Derivatives-Gains (Losses) recorded in OCI
		Three Months Ended September 30, 2023				Nine Months Ended September 30, 2023				Three Months Ended September 30, 2023				Nine Months Ended September 30, 2023
		2023		2022		2023		2022		2023		2022		2023		2022
		(Dollars in thousands)								(Dollars in thousands)
Derivatives Designated as Hedging Instruments:
Interest rate swaps	Interest income	$	3,790	$	—	$	4,236	$	—	$	9,708	$	—	$	17,554	$	—
Total		$	3,790	$	—	$	4,236	$	—	$	9,708	$	—	$	17,554	$	—

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Other Comprehensive Income

9 Months Ended

Sep. 30, 2023

Equity [Abstract]

Other Comprehensive Income

The table below provides a summary of the components of other comprehensive income (“OCI”) for the periods presented.

	Three Months Ended September 30,
	2023									2022
	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	$	(130,768	)	$	38,660		$	(92,108	)	$	(194,111	)	$	57,386		$	(136,725	)
Amortization of net unrealized losses on securities    transferred from available-for-sale to held-to-maturity		(3,096	)		3,234			138			95			(28	)		67
Derivatives designated as hedging instruments:
Net change in fair value recorded in accumulated OCI		13,739			(4,031	)		9,708			—			—			—
Net change	$	(120,125	)	$	37,863		$	(82,262	)	$	(194,016	)	$	57,358		$	(136,658	)

	Nine Months Ended September 30,
	2023									2022
	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	$	(128,340	)	$	37,942		$	(90,398	)	$	(539,066	)	$	159,367		$	(379,699	)
Amortization of net unrealized losses on securities    transferred from available-for-sale to held-to-maturity		714			(212	)		502			242			(72	)		170
Derivatives designated as hedging instruments:
Net change in fair value recorded in accumulated OCI		24,868			(7,314	)		17,554			—			—			—
Net change	$	(102,758	)	$	30,416		$	(72,342	)	$	(538,825	)	$	159,296		$	(379,529	)

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Balance Sheet Offsetting

9 Months Ended

Sep. 30, 2023

Text Block [Abstract]

BALANCE SHEET OFFSETTING

12. 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 not designated as hedging instruments are subject to master netting arrangements. These 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 condensed consolidated balances.

In June 2023, fair value hedging transactions were executed in which $1.0 billion notional pay-fixed interest rate swaps were consummated with maturities ranging from four to five years in which the Company pays a weighted average fixed rate of approximately 3.8% and receives daily SOFR. The fair value of these instruments totaled $24.9 million at September 30, 2023. Refer to Note 10 – Derivative Financial Instruments of the notes to the unaudited condensed consolidated financial statements of this report for additional information.

	Gross Amounts Recognized in the Condensed		Gross Amounts Offset in the Condensed			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)
September 30, 2023
Financial assets:
Derivatives not designated as    hedging instruments	$	—	$	—		$	—	$	—	$	—		$	—
Derivatives designated as    hedging instruments		24,868		—			—		24,868		—			24,868
Total	$	24,868	$	—		$	—	$	24,868	$	—		$	24,868
Financial liabilities:
Derivatives not designated as    hedging instruments	$	60,116	$	(60,116	)	$	—	$	60,116	$	(7,536	)	$	52,580
Repurchase agreements		269,552		—			269,552		—		382,531			652,083
Total	$	329,668	$	(60,116	)	$	269,552	$	60,116	$	374,995		$	704,663
December 31, 2022
Financial assets:
Derivatives not designated as    hedging instruments	$	82	$	—		$	—	$	82	$	—		$	82
Total	$	82	$	—		$	—	$	82	$	—		$	82
Financial liabilities:
Derivatives not designated as    hedging instruments	$	53,996	$	(53,914	)	$	82	$	53,914	$	(18,258	)	$	35,738
Repurchase agreements		565,431		—			565,431		—		(634,075	)		(68,644	)
Total	$	619,427	$	(53,914	)	$	565,513	$	53,914	$	(652,333	)	$	(32,906	)

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Leases

9 Months Ended

Sep. 30, 2023

Leases [Abstract]

Leases

13. 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. Right-of-use (“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.

	September 30, 2023		December 31, 2022
	(Dollars in thousands)
Lease Assets and Liabilities
ROU assets	$	23,025	$	22,696
Total lease liabilities		25,199		24,458

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(Dollars in thousands)
Lease Cost
Operating lease expense (1)	$	1,832	$	1,846	$	5,513	$	5,541
Sublease income		—		—		—		—
Total lease expense	$	1,832	$	1,846	$	5,513	$	5,541

(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	$	1,682	$	1,882	$	4,951	$	5,593

	September 30, 2023			December 31, 2022
Lease Term and Discount Rate
Weighted average remaining lease term    (years)		4.12			4.12
Weighted average discount rate		3.43	%		2.80	%

The Company’s lease arrangements that have not yet commenced as of September 30, 2023 and the Company’s short-term lease costs and variable lease costs, for the nine months ended September 30, 2023 and 2022 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 September 30, 2023, excluding property taxes and insurance, are as follows:

	September 30, 2023
	(Dollars in thousands)
Year:
2023 (excluding the nine months ended September 30, 2023)	$	1,691
2024		7,196
2025		6,578
2026		5,313
2027		3,822
Thereafter		2,613
Total future lease payments		27,213
Less: Imputed interest		(2,014	)
Present value of lease liabilities	$	25,199

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Revenue Recognition

9 Months Ended

Sep. 30, 2023

Revenue from Contract with Customer [Abstract]

Revenue Recognition

14. REVENUE RECOGNITION

The following table presents noninterest income, segregated by revenue streams in-scope and out-of-scope of ASU No. 2014-09 “Revenue from Contracts with Customers (Topic 606)”, for the periods indicated.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(Dollars in thousands)
Noninterest income:
In-scope of Topic 606:
Service charges on deposit accounts	$	5,062	$	5,233	$	15,244	$	15,625
Trust and investment services		3,246		2,867		9,475		8,651
Bankcard services		354		376		1,221		1,102
Gain/(loss) on sale of other investments		2,575		—		2,575		—
Other		1,524		1,127		6,818		8,207
Noninterest Income (in-scope of Topic 606)		12,761		9,603		35,333		33,585
Noninterest Income (out-of-scope of Topic 606)		1,548		1,987		4,834		3,939
Total noninterest income	$	14,309	$	11,590	$	40,167	$	37,524

Refer to Note 3 – Summary of Significant Accounting Policies and Note 24 – Revenue Recognition, included in our Annual Report on Form 10-K for the year ended December 31, 2022 for a more detailed discussion about noninterest revenue streams that are in-scope of Topic 606.

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Accounting policies (Policies)

9 Months Ended

Sep. 30, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

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 Standards

Adoption of New Accounting Standards

On January 1, 2023, the Company adopted Accounting Standard Update ("ASU") 2022-02 Financial Instruments-Credit Losses (Topic 326): Troubled Debt Restructurings ("TDR") and Vintage Disclosures. This ASU eliminates recognition and measurement guidance for TDRs by creditors in Subtopic 310-40, Receivables-Troubled Debt Restructurings by Creditors, while enhancing disclosure requirements for certain loan refinancings and restructurings by creditors when a borrower is experiencing financial difficulty, and to require that an entity disclose current-period gross write-offs by year of origination (i.e. the vintage year) for financing receivables and net investments in leases within the scope of Subtopic 326-20, Financial Instruments-Credit Losses-Measured at Amortized Cost. For entities that have adopted ASU 2016-13, this ASU is effective for interim and reporting periods beginning after December 15, 2022. The Company adopted this ASU on a prospective basis. Results for reporting periods beginning after January 1, 2023 are presented under ASU 2022-02 while prior period amounts continue to be reported in accordance with previously applicable GAAP. The adoption of this ASU did not have a material impact on our consolidated financial statements.

In March 2023, the FASB issued ASU 2023-02 Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method, which expands the population of investments for which an investor may elect to apply the proportional amortization method. Under this ASU, an investor in a tax equity investment may elect the proportional amortization method for qualifying investments on a tax credit program-by-program basis. To qualify for the proportional amortization method, an investment must meet the criteria previously applicable to Low Income Housing Tax Credit ("LIHTC") investments, as clarified by the ASU. This ASU is effective in the first quarter of 2024. Early adoption is permitted as of an interim period with retrospective application to the beginning of the fiscal year.

The Bank invests in various tax credit partnerships pursuant to Sections 42 and 48 of the Internal Revenue Code of 1986 (the “Code”). The Bank acts as a limited partner in these investments and does not exercise control over the operating or financial policies of the partnerships and as such, is not considered the primary beneficiary of the partnership. Upon entering into new solar tax equity investments in the second quarter of 2023, the Company adopted ASU 2023-02 on a prospective basis and implemented the proportional amortization method of accounting. The proportional amortization method recognizes the amortization of the cost of the investment as a component of income tax expense.

In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform: Facilitation of the Effects of Reference Rate Reform on Financial Reporting. The amendments in this update provide temporary, optional guidance to ease the potential burden in accounting for transitioning away from reference rates such as LIBOR. The amendments provide optional expedients and exceptions for applying GAAP to transactions affected by reference rate reform if certain criteria are met. The amendments primarily include relief related to contract modifications and hedging relationships, as well as providing a one-time election for the sale or transfer of debt securities classified as held-to-maturity. This ASU was effective in June 2023. and it did not have a material impact on our consolidated financial statements. As a result of the phase out of LIBOR, our interest rate swap derivatives and the associated loans that were indexed to LIBOR, have been replaced with one month CME Term SOFR. The Bank will continue to use multiple alternative indices as replacements for LIBOR for newly originated instruments. All remaining financial instruments indexed to LIBOR have been transitioned to a replacement index, as of June 30, 2023.

In March 2022, the FASB issued ASU 2022-01, Derivatives and Hedging (Topic 815): Fair Value Hedging—Portfolio Layer Method, was effective in the first quarter of 2023. The amendments in ASU 2022-01 allow non-prepayable financial assets to be included in a closed portfolio hedged using the portfolio layer method. That expanded scope permits an entity to apply the same portfolio hedging method to both prepayable and non-prepayable financial assets, thereby allowing consistent accounting for similar hedges. This ASU expanded the previous single-layer model to allow multiple hedged layers of a single closed portfolio. As a result, an entity can achieve hedge accounting for hedges of a greater proportion of the interest rate risk inherent in the assets included in the closed portfolio, further aligning hedge accounting with risk management strategies. To reflect that expansion, the last-of-layer method is renamed the portfolio layer method. This ASU also clarifies that fair value basis adjustments in an existing portfolio layer method hedge are maintained at the closed portfolio level (Balance Sheet line item level) and are therefore not allocated to individual assets. In June 2023, fair value hedging transactions were executed in which $1.0 billion notional pay-fixed interest rate swaps were consummated with maturities ranging from four to five years in which the Company pays a weighted average fixed rate of approximately 3.8% and receives daily SOFR. The fair value of these instruments totaled $24.9 million on September 30, 2023. This pay-fixed interest rate swap is designated as a partial-term fair value hedge using the Portfolio Layer Method, in accordance with ASU 2022-01. Refer to Note 10 – Derivative Financial Instruments of the notes to the unaudited condensed consolidated financial statements of this report for additional information.

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Investment Securities (Tables)

9 Months Ended

Sep. 30, 2023

Investments, Debt and Equity Securities [Abstract]

Summary of Amortized Cost and Estimated Fair Value of Investment Securities

	September 30, 2023
	Amortized Cost		Gross Unrealized Holding Gain		Gross Unrealized Holding Loss			Fair Value		Total Percent
	(Dollars in thousands)
Investment securities available-for-sale:
Government agency/GSE	$	34,126	$	—	$	(17	)	$	34,109		1.19	%
Mortgage-backed securities		2,925,382		1		(488,759	)		2,436,624		84.81	%
CMO/REMIC		514,161		—		(136,663	)		377,498		13.13	%
Municipal bonds		26,799		23		(3,009	)		23,813		0.83	%
Other securities		1,119		—		—			1,119		0.04	%
Unallocated portfolio layer fair value basis adjustments (1)		24,868		—		(24,868	)		—		0.00	%
Total available-for-sale securities	$	3,526,455	$	24	$	(653,316	)	$	2,873,163		100.00	%
Investment securities held-to-maturity:
Government agency/GSE	$	534,814	$	—	$	(123,981	)	$	410,833		21.48	%
Mortgage-backed securities		673,413		—		(134,290	)		539,123		27.05	%
CMO/REMIC		812,006		—		(194,237	)		617,769		32.62	%
Municipal bonds		469,208		4		(67,619	)		401,593		18.85	%
Total held-to-maturity securities	$	2,489,441	$	4	$	(520,127	)	$	1,969,318		100.00	%

(1)Represents the amount of portfolio layer method basis adjustments related to AFS MBS securities hedged in a closed portfolio. Under U.S. GAAP, portfolio layer method basis adjustments are not allocated to individual securities, however the amounts impact the unrealized gains or losses for the individual securities being hedged. Refer to Note 3 and Note 10 for additional information.

	December 31, 2022
	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	$	3,192,151	$	39	$	(403,049	)	$	2,789,141		85.68	%
CMO/REMIC		535,269		—		(95,966	)		439,303		13.50	%
Municipal bonds		26,797		67		(1,177	)		25,687		0.79	%
Other securities		1,080		—		—			1,080		0.03	%
Total available-for-sale securities	$	3,755,297	$	106	$	(500,192	)	$	3,255,211		100.00	%
Investment securities held-to-maturity:
Government agency/GSE	$	548,771	$	—	$	(114,343	)	$	434,428		21.48	%
Mortgage-backed securities		706,796		—		(105,867	)		600,929		27.67	%
CMO/REMIC		827,346		—		(131,730	)		695,616		32.39	%
Municipal bonds		471,388		913		(47,687	)		424,614		18.46	%
Total held-to-maturity securities	$	2,554,301	$	913	$	(399,627	)	$	2,155,587		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 federal income tax.

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2023		2022		2023		2022
	(Dollars in thousands)
Investment securities available-for-sale:
Taxable	$	22,272	$	18,371	$	60,887	$	47,883
Tax-advantaged		169		172		506		534
Total interest income from available-for-sale securities		22,441		18,543		61,393		48,417
Investment securities held-to-maturity:
Taxable		11,139		10,845		33,939		29,927
Tax-advantaged		2,437		1,989		7,333		5,284
Total interest income from held-to-maturity securities		13,576		12,834		41,272		35,211
Total interest income from investment securities	$	36,017	$	31,377	$	102,665	$	83,628

Summary of Continuous Unrealized Loss Position of Securities

The following table presents the Company’s available-for-sale and held-to-maturity investment securities, by investment category, in an unrealized loss position for which an allowance for credit losses has not been recorded as of September 30, 2023 and December 31, 2022.

	September 30, 2023
	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:
Government agency/GSE	$	34,109	$	(17	)	$	—	$	—		$	34,109	$	(17	)
Mortgage-backed securities		825		(16	)		2,435,125		(488,743	)		2,435,950		(488,759	)
CMO/REMIC		3		—			377,495		(136,663	)		377,498		(136,663	)
Municipal bonds		5,699		(451	)		16,948		(2,558	)		22,647		(3,009	)
Total available-for-sale securities	$	40,636	$	(484	)	$	2,829,568	$	(627,964	)	$	2,870,204	$	(628,448	)
Investment securities held-to-maturity:
Government agency/GSE	$	—	$	—		$	410,833	$	(123,981	)	$	410,833	$	(123,981	)
Mortgage-backed securities		—		—			539,123		(134,290	)		539,123		(134,290	)
CMO/REMIC		—		—			617,769		(194,237	)		617,769		(194,237	)
Municipal bonds		109,966		(7,127	)		288,267		(60,492	)		398,233		(67,619	)
Total held-to-maturity securities	$	109,966	$	(7,127	)	$	1,855,992	$	(513,000	)	$	1,965,958	$	(520,127	)

	December 31, 2022
	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	$	1,658,331	$	(187,842	)	$	1,129,257	$	(215,207	)	$	2,787,588	$	(403,049	)
CMO/REMIC		54,005		(4,796	)		385,295		(91,170	)		439,300		(95,966	)
Municipal bonds		24,507		(1,177	)		—		—			24,507		(1,177	)
Total available-for-sale securities	$	1,736,843	$	(193,815	)	$	1,514,552	$	(306,377	)	$	3,251,395	$	(500,192	)
Investment securities held-to-maturity:
Government agency/GSE		179,348		(39,866	)		255,080		(74,477	)		434,428		(114,343	)
Mortgage-backed securities		188,480		(9,042	)		412,449		(96,825	)		600,929		(105,867	)
CMO/REMIC		376,540		(60,598	)		319,076		(71,132	)		695,616		(131,730	)
Municipal bonds		312,702		(35,656	)		53,350		(12,031	)		366,052		(47,687	)
Total held-to-maturity securities	$	1,057,070	$	(145,162	)	$	1,039,955	$	(254,465	)	$	2,097,025	$	(399,627	)

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.

	September 30, 2023
	Available-for-sale				Held-to-maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
			(Dollars in thousands)
Due in one year or less	$	35,816	$	35,794	$	12,414	$	11,874
Due after one year through five years		321,428		278,310		34,306		32,206
Due after five years through ten years		2,403,432		1,964,310		323,267		273,094
Due after ten years		765,779		594,749		2,119,454		1,652,144
Total investment securities	$	3,526,455	$	2,873,163	$	2,489,441	$	1,969,318

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

9 Months Ended

Sep. 30, 2023

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.

	September 30, 2023			December 31, 2022
	(Dollars in thousands)
Commercial real estate	$	6,843,059		$	6,884,948
Construction		63,022			88,271
SBA		283,124			290,908
SBA - Paycheck Protection Program (PPP)		3,233			9,087
Commercial and industrial		938,064			948,683
Dairy & livestock and agribusiness		351,463			433,564
Municipal lease finance receivables		75,621			81,126
SFR mortgage		268,171			266,024
Consumer and other loans		51,875			76,781
Total loans, at amortized cost		8,877,632			9,079,392
Less: Allowance for credit losses		(88,995	)		(85,117	)
Total loans and lease finance receivables, net	$	8,788,637		$	8,994,275

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, and includes gross charge-offs in accordance with ASU 2022-02 effective January 1, 2023, as of the dates presented.

	Origination Year												Revolving loans amortized		Revolving loans converted to
September 30, 2023	2023		2022		2021		2020		2019		Prior		cost basis		term loans		Total
	(Dollars in thousands)
Commercial real estate    loans:
Risk Rating:
Pass	$	373,704	$	1,327,377	$	1,159,196	$	900,512	$	508,645	$	2,119,797	$	160,435	$	38,875	$	6,588,541
Special Mention		3,256		4,417		16,273		28,896		42,458		77,508		1,911		—		174,719
Substandard		244		8,168		—		22,598		12,769		35,220		800		—		79,799
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Commercial real    estate loans:	$	377,204	$	1,339,962	$	1,175,469	$	952,006	$	563,872	$	2,232,525	$	163,146	$	38,875	$	6,843,059
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Construction loans:
Risk Rating:
Pass	$	375	$	14,984	$	24,400	$	8,062	$	—	$	—	$	15,201	$	—	$	63,022
Special Mention		—		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		—		—		—
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Construction    loans:	$	375	$	14,984	$	24,400	$	8,062	$	—	$	—	$	15,201	$	—	$	63,022
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
SBA loans:
Risk Rating:
Pass	$	20,163	$	50,643	$	53,354	$	34,387	$	6,249	$	110,538	$	—	$	—	$	275,334
Special Mention		—		—		—		—		1,890		2,560		—		—		4,450
Substandard		—		—		—		—		—		3,340		—		—		3,340
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SBA loans:	$	20,163	$	50,643	$	53,354	$	34,387	$	8,139	$	116,438	$	—	$	—	$	283,124
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	207	$	—	$	—	$	207
SBA - PPP loans:
Risk Rating:
Pass	$	—	$	—	$	809	$	2,424	$	—	$	—	$	—	$	—	$	3,233
Special Mention		—		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		—		—		—
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SBA - PPP loans:	$	—	$	—	$	809	$	2,424	$	—	$	—	$	—	$	—	$	3,233
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial and    industrial loans:
Risk Rating:
Pass	$	116,890	$	152,983	$	107,790	$	93,749	$	73,760	$	102,963	$	248,769	$	6,218	$	903,122
Special Mention		7,418		986		1,300		643		4,482		4,110		5,098		5,702		29,739
Substandard		—		273		—		—		89		1,304		2,487		1,050		5,203
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Commercial and    industrial loans:	$	124,308	$	154,242	$	109,090	$	94,392	$	78,331	$	108,377	$	256,354	$	12,970	$	938,064
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	16	$	—	$	—	$	16

	Origination Year												Revolving loans amortized		Revolving loans converted to
September 30, 2023	2023		2022		2021		2020		2019		Prior		cost basis		term loans		Total
	(Dollars in thousands)
Dairy & livestock and    agribusiness loans:
Risk Rating:
Pass	$	247	$	—	$	2,074	$	1,054	$	120	$	205	$	280,524	$	—	$	284,224
Special Mention		463		—		—		—		61		—		62,670		1,304		64,498
Substandard		—		—		—		—		—		208		2,498		35		2,741
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Dairy & livestock    and agribusiness    loans:	$	710	$	—	$	2,074	$	1,054	$	181	$	413	$	345,692	$	1,339	$	351,463
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Municipal lease finance    receivables loans:
Risk Rating:
Pass	$	—	$	5,989	$	26,088	$	6,188	$	4,266	$	32,867	$	—	$	—	$	75,398
Special Mention		—		—		—		—		—		223		—		—		223
Substandard		—		—		—		—		—		—		—		—		—
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Municipal lease    finance receivables    loans:	$	—	$	5,989	$	26,088	$	6,188	$	4,266	$	33,090	$	—	$	—	$	75,621
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
SFR mortgage loans:
Risk Rating:
Pass	$	16,831	$	61,882	$	43,841	$	44,529	$	28,963	$	69,010	$	—	$	—	$	265,056
Special Mention		750		—		—		924		558		339		—		—		2,571
Substandard		—		—		—		—		—		205		—		339		544
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SFR mortgage    loans:	$	17,581	$	61,882	$	43,841	$	45,453	$	29,521	$	69,554	$	—	$	339	$	268,171
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Consumer and other    loans:
Risk Rating:
Pass	$	2,548	$	4,763	$	2,967	$	830	$	710	$	525	$	36,846	$	900	$	50,089
Special Mention		—		—		278		—		—		—		5		884		1,167
Substandard		—		—		—		—		—		11		7		601		619
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Consumer and    other loans:	$	2,548	$	4,763	$	3,245	$	830	$	710	$	536	$	36,858	$	2,385	$	51,875
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	1	$	—	$	—	$	1
Total Loans, at amortized cost:
Risk Rating:
Pass	$	530,758	$	1,618,621	$	1,420,519	$	1,091,735	$	622,713	$	2,435,905	$	741,775	$	45,993	$	8,508,019
Special Mention		11,887		5,403		17,851		30,463		49,449		84,740		69,684		7,890		277,367
Substandard		244		8,441		—		22,598		12,858		40,288		5,792		2,025		92,246
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Loans at amortized cost:	$	542,889	$	1,632,465	$	1,438,370	$	1,144,796	$	685,020	$	2,560,933	$	817,251	$	55,908	$	8,877,632
Current YTD Period:   Gross charge-offs	$	—	$	—	$	—	$	—	$	—	$	224	$	—	$	—	$	224

	Origination Year												Revolving loans amortized		Revolving loans converted to
December 31, 2022	2022		2021		2020		2019		2018		Prior		cost basis		term loans		Total
	(Dollars in thousands)
Commercial real estate    loans:
Risk Rating:
Pass	$	1,363,733	$	1,197,290	$	957,965	$	542,827	$	506,613	$	1,889,478	$	175,373	$	39,616	$	6,672,895
Special Mention		3,285		12,114		11,284		32,976		21,646		76,290		908		—		158,503
Substandard		—		—		15,624		16,297		94		21,535		—		—		53,550
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Commercial real    estate loans:	$	1,367,018	$	1,209,404	$	984,873	$	592,100	$	528,353	$	1,987,303	$	176,281	$	39,616	$	6,884,948
Construction loans:
Risk Rating:
Pass	$	17,203	$	26,689	$	16,578	$	—	$	—	$	—	$	22,850	$	—	$	83,320
Special Mention		—		—		—		—		4,951		—		—		—		4,951
Substandard		—		—		—		—		—		—		—		—		—
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Construction    loans:	$	17,203	$	26,689	$	16,578	$	—	$	4,951	$	—	$	22,850	$	—	$	88,271
SBA loans:
Risk Rating:
Pass	$	60,623	$	54,781	$	35,243	$	7,460	$	28,886	$	96,473	$	1,026	$	—	$	284,492
Special Mention		—		—		—		1,321		1,293		2,065		—		—		4,679
Substandard		—		—		—		—		556		1,181		—		—		1,737
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SBA loans:	$	60,623	$	54,781	$	35,243	$	8,781	$	30,735	$	99,719	$	1,026	$	—	$	290,908
SBA - PPP loans:
Risk Rating:
Pass	$	—	$	5,515	$	3,572	$	—	$	—	$	—	$	—	$	—	$	9,087
Special Mention		—		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		—		—		—
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SBA - PPP loans:	$	—	$	5,515	$	3,572	$	—	$	—	$	—	$	—	$	—	$	9,087
Commercial and    industrial loans:
Risk Rating:
Pass	$	154,765	$	135,162	$	80,763	$	101,192	$	42,731	$	85,406	$	305,589	$	7,775	$	913,383
Special Mention		3,955		761		459		1,693		462		8		15,156		544		23,038
Substandard		494		—		728		959		5,624		496		3,200		761		12,262
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Commercial and    industrial loans:	$	159,214	$	135,923	$	81,950	$	103,844	$	48,817	$	85,910	$	323,945	$	9,080	$	948,683

	Origination Year												Revolving loans amortized		Revolving loans converted to
December 31, 2022	2022		2021		2020		2019		2018		Prior		cost basis		term loans		Total
	(Dollars in thousands)
Dairy & livestock and    agribusiness loans:
Risk Rating:
Pass	$	207	$	2,318	$	1,515	$	187	$	69	$	628	$	400,229	$	450	$	405,603
Special Mention		—		—		—		599		46		—		17,129		853		18,627
Substandard		1,041		—		40		—		95		113		1,841		6,204		9,334
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Dairy & livestock    and agribusiness    loans:	$	1,248	$	2,318	$	1,555	$	786	$	210	$	741	$	419,199	$	7,507	$	433,564
Municipal lease finance    receivables loans:
Risk Rating:
Pass	$	6,442	$	26,858	$	6,814	$	4,327	$	4,948	$	31,292	$	—	$	—	$	80,681
Special Mention		—		—		—		—		—		262		—		—		262
Substandard		—		—		—		—		—		183		—		—		183
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Municipal lease    finance receivables    loans:	$	6,442	$	26,858	$	6,814	$	4,327	$	4,948	$	31,737	$	—	$	—	$	81,126
SFR mortgage loans:
Risk Rating:
Pass	$	63,761	$	46,748	$	45,819	$	33,585	$	15,836	$	58,730	$	—	$	—	$	264,479
Special Mention		—		—		943		—		—		—		—		—		943
Substandard		—		—		—		—		—		214		—		388		602
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total SFR mortgage    loans:	$	63,761	$	46,748	$	46,762	$	33,585	$	15,836	$	58,944	$	—	$	388	$	266,024
Consumer and other    loans:
Risk Rating:
Pass	$	7,653	$	3,722	$	1,298	$	926	$	79	$	1,277	$	58,578	$	1,107	$	74,640
Special Mention		—		561		—		—		—		—		590		—		1,151
Substandard		—		—		—		—		—		13		5		972		990
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Consumer and    other loans:	$	7,653	$	4,283	$	1,298	$	926	$	79	$	1,290	$	59,173	$	2,079	$	76,781
Total Loans, at amortized cost:
Risk Rating:
Pass	$	1,674,387	$	1,499,083	$	1,149,567	$	690,504	$	599,162	$	2,163,284	$	963,645	$	48,948	$	8,788,580
Special Mention		7,240		13,436		12,686		36,589		28,398		78,625		33,783		1,397		212,154
Substandard		1,535		—		16,392		17,256		6,369		23,735		5,046		8,325		78,658
Doubtful & Loss		—		—		—		—		—		—		—		—		—
Total Loans at amortized cost:	$	1,683,162	$	1,512,519	$	1,178,645	$	744,349	$	633,929	$	2,265,644	$	1,002,474	$	58,670	$	9,079,392

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 September 30, 2023
	Ending Balance June 30, 2023		Charge-offs			Recoveries		Provision for (Recapture of) Credit Losses			Ending Balance September 30, 2023
	(Dollars in thousands)
Commercial real estate	$	67,943	$	—		$	—	$	2,957		$	70,900
Construction		1,162		—			3		(166	)		999
SBA		2,656		(26	)		48		371			3,049
SBA - PPP		—		—			—		—			—
Commercial and industrial		9,121		—			—		161			9,282
Dairy & livestock and agribusiness		4,960		—			3		(1,396	)		3,567
Municipal lease finance receivables		273		—			—		(27	)		246
SFR mortgage		450		—			—		75			525
Consumer and other loans		402		—			—		25			427
Total allowance for credit losses	$	86,967	$	(26	)	$	54	$	2,000		$	88,995

	Three Months Ended September 30, 2022
	Ending Balance June 30, 2022		Charge-offs			Recoveries		Provision for (Recapture of) Credit Losses			Ending Balance September 30, 2022
	(Dollars in thousands)
Commercial real estate	$	61,513	$	—		$	—	$	3,392		$	64,905
Construction		1,062		—			3		657			1,722
SBA		2,613		—			41		151			2,805
SBA - PPP		—		—			—		—			—
Commercial and industrial		7,194		(45	)		—		(16	)		7,133
Dairy & livestock and agribusiness		6,832		—			381		(2,220	)		4,993
Municipal lease finance receivables		183		—			—		56			239
SFR mortgage		254		—			—		50			304
Consumer and other loans		571		(1	)		—		(70	)		500
Total allowance for credit losses	$	80,222	$	(46	)	$	425	$	2,000		$	82,601

	Nine Months Ended September 30, 2023
	Ending Balance December 31, 2022		Charge-offs			Recoveries		Provision for (Recapture of) Credit Losses			Ending Balance September 30, 2023
	(Dollars in thousands)
Commercial real estate	$	64,806	$	—		$	—	$	6,094		$	70,900
Construction		1,702		—			9		(712	)		999
SBA		2,809		(207	)		69		378			3,049
SBA - PPP		—		—			—		—			—
Commercial and industrial		10,206		(16	)		14		(922	)		9,282
Dairy & livestock and agribusiness		4,400		—			10		(843	)		3,567
Municipal lease finance receivables		296		—			—		(50	)		246
SFR mortgage		366		—			—		159			525
Consumer and other loans		532		(1	)		—		(104	)		427
Total allowance for credit losses	$	85,117	$	(224	)	$	102	$	4,000		$	88,995

	Nine Months Ended September 30, 2022
	Ending Balance December 31, 2021		Charge-offs			Recoveries		Initial ACL for PCD Loans at Acquisition		Provision Recorded at Acquisition		Provision for (Recapture of) Credit Losses			Ending Balance September 30, 2022
	(Dollars in thousands)
Commercial real estate	$	50,950	$	—		$	—	$	5,086	$	4,127	$	4,742		$	64,905
Construction		765		—			9		122		58		768			1,722
SBA		2,668		—			99		62		64		(88	)		2,805
Commercial and industrial		6,669		(66	)		456		500		508		(934	)		7,133
Dairy & livestock and agribusiness		3,066		—			383		2,832		149		(1,437	)		4,993
Municipal lease finance receivables		100		—			—		3		26		110			239
SFR mortgage		188		—			—		—		—		116			304
Consumer and other loans		613		(4	)		—		—		—		(109	)		500
Total allowance for credit losses	$	65,019	$	(70	)	$	947	$	8,605	$	4,932	$	3,168		$	82,601

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

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

	September 30, 2023
	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 real estate
Owner occupied	$	92	$	44	$	3,107	$	3,243	$	2,468,477	$	2,471,720
Non-owner occupied		—		—		531		531		4,370,808		4,371,339
Construction
Speculative (1)		—		—		—		—		53,058		53,058
Non-speculative		—		—		—		—		9,964		9,964
SBA		—		54		996		1,050		282,074		283,124
SBA - PPP		—		—		—		—		3,233		3,233
Commercial and industrial		—		2,487		1,911		4,398		933,666		938,064
Dairy & livestock and agribusiness		—		95		36		131		351,332		351,463
Municipal lease finance receivables		—		—		—		—		75,621		75,621
SFR mortgage		—		—		—		—		268,171		268,171
Consumer and other loans		4		—		—		4		51,871		51,875
Total gross loans	$	96	$	2,680	$	6,581	$	9,357	$	8,868,275	$	8,877,632

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

	December 31, 2022
	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 real estate
Owner occupied	$	—	$	—	$	2,639	$	2,639	$	2,482,471	$	2,485,110
Non-owner occupied		—		—		—		—		4,399,838		4,399,838
Construction
Speculative (1)		—		—		—		—		67,436		67,436
Non-speculative		—		—		—		—		20,835		20,835
SBA		374		182		443		999		289,909		290,908
SBA - PPP		—		—		—		—		9,087		9,087
Commercial and industrial		—		—		1,318		1,318		947,365		948,683
Dairy & livestock and agribusiness		—		—		269		269		433,295		433,564
Municipal lease finance receivables		—		—		—		—		81,126		81,126
SFR mortgage		—		388		—		388		265,636		266,024
Consumer and other loans		175		—		33		208		76,573		76,781
Total gross loans	$	549	$	570	$	4,702	$	5,821	$	9,073,571	$	9,079,392

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

Amortized cost of our finance receivables and loans that are on nonaccrual status, including loans with no allowance are presented as of September 30, 2023 and December 31, 2022 by type of loan.

	September 30, 2023
	Nonaccrual with No Allowance for Credit Losses		Total Nonaccrual (1)		Loans Past Due Over 89 Days Still Accruing
	(Dollars in thousands)
Commercial real estate
Owner occupied	$	3,107	$	3,107	$	—
Non-owner occupied		548		548		—
Construction
Speculative (2)		—		—		—
Non-speculative		—		—		—
SBA		868		1,050		—
SBA - PPP		—		—		—
Commercial and industrial		939		4,672		—
Dairy & livestock and agribusiness		131		243		—
Municipal lease finance receivables		—		—		—
SFR mortgage		339		339		—
Consumer and other loans		—		4		—
Total gross loans	$	5,932	$	9,963	$	—

(1)As of September 30, 2023, $742,000 of nonaccruing loans were current, $4,000 were 30-59 days past due, $2.6 million were 60-89 days past due, and $6.6 million were 90+ days past due.

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

	December 31, 2022
	Nonaccrual with No Allowance for Credit Losses		Total Nonaccrual (1) (3)		Loans Past Due Over 89 Days Still Accruing
	(Dollars in thousands)
Commercial real estate
Owner occupied	$	2,639	$	2,639	$	—
Non-owner occupied		18		18		—
Construction
Speculative (2)		—		—		—
Non-speculative		—		—		—
SBA		268		443		—
SBA - PPP		—		—		—
Commercial and industrial		771		1,320		—
Dairy & livestock and agribusiness		364		477		—
Municipal lease finance receivables		—		—		—
SFR mortgage		—		—		—
Consumer and other loans		34		33		—
Total gross loans	$	4,094	$	4,930	$	—

(1)As of December 31, 2022, $228,000 of nonaccruing loans were current and $4.7 million were 90+ days past due.

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

(3)Excludes $221,000 of guaranteed portion of nonaccrual SBA loans that are in process of collection.

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

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

	September 30, 2023						Number of Loans
	Real Estate		Business Assets		Other		Dependent on Collateral
	(Dollars in thousands)
Commercial real estate	$	3,655	$	—	$	—		5
Construction		—		—		—		—
SBA		830		220		—		5
SBA - PPP		—		—		—		—
Commercial and industrial		401		3,104		1,167		10
Dairy & livestock and agribusiness		130		—		113		3
Municipal lease finance receivables		—		—		—		—
SFR mortgage		339		—		—		1
Consumer and other loans		—		—		4		1
Total collateral-dependent loans	$	5,355	$	3,324	$	1,284		25

	December 31, 2022						Number of Loans
	Real Estate		Business Assets		Other		Dependent on Collateral
	(Dollars in thousands)
Commercial real estate	$	17,935	$	—	$	—		4
Construction		—		—		—		—
SBA		151		292		—		6
SBA - PPP		—		—		—		—
Commercial and industrial		87		2,774		81		13
Dairy & livestock and agribusiness		269		2,000		208		4
Municipal lease finance receivables		—		—		—		—
SFR mortgage		—		—		—		—
Consumer and other loans		33		—		—		1
Total collateral-dependent loans	$	18,475	$	5,066	$	289		28

Summary of Amortized Cost of Loans Activity

The table below reflects the amortized cost of loans by type made to borrowers experiencing financial difficulty that were modified during the three months ended September 30, 2023.

	Term Extension
	Amortized Cost Basis		% of Total Class of
	at September 30,2023		Financing Receivables
	(Dollars in thousands)
Commercial real estate loans	$	1,815		0.02	%
Dairy & livestock and agribusiness		4,799		0.05	%
Total	$	6,614
	Combination-Term Extension and Interest Rate Reduction
	Amortized Cost Basis		% of Total Class of
	at September 30,2023		Financing Receivables
Commercial real estate loans	$	690		0.01	%
Total	$	690

Summary of Financial Effect of the Loan Activity

The following table describes the financial effect of the loan modifications made to borrowers experiencing financial difficulty during the three months ended September 30, 2023.

Loan Type	Financial Effect
	Term Extension
Commercial real estate loans	Added a weighted-average 1.0 years to the life of loans, which reduced monthly payment amounts for the borrowers.
Dairy & livestock and agribusiness	Added a weighted-average 0.5 years to the life of loans, which reduced monthly payment amounts for the borrowers.
	Combination-Term Extension and Interest Rate Reduction
Commercial real estate loans	Added a weighted-average 7.6 years to the life of loans, which reduced monthly payment amounts for the borrowers; reduced weighted-average contractual interest rate from 10% to 7.25%.

Summary of Recorded Investments or Past Due Loans At Amortized Cost

The following table presents the recorded investment in, and the aging of, past due loans at amortized cost (including nonaccrual loans), by type of loans, made to borrowers experiencing financial difficulty that were modified on or after January 1, 2023, the date we adopted ASU 2022-02.

	Payment Status (amortized cost basis)
	Current		30-89 Days Past Due		90+ Days Past Due
	(Dollars in thousands)
Commercial real estate loans	$	2,505	$	—	$	—
Dairy & livestock and agribusiness		4,799		—		—
Total	$	7,304	$	—	$	—

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Earnings Per Share Reconciliation (Tables)

9 Months Ended

Sep. 30, 2023

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 September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(In thousands, except per share amounts)
Earnings per common share:
Net earnings	$	57,887	$	64,639	$	172,927	$	169,257
Less: Net earnings allocated to restricted stock		410		434		1,208		1,080
Net earnings allocated to common shareholders	$	57,477	$	64,205	$	171,719	$	168,177
Weighted average shares outstanding		138,345		138,888		138,361		139,923
Basic earnings per common share	$	0.42	$	0.46	$	1.24	$	1.20
Diluted earnings per common share:
Net income allocated to common shareholders	$	57,477	$	64,205	$	171,719	$	168,177
Weighted average shares outstanding		138,345		138,888		138,361		139,923
Incremental shares from assumed exercise of    outstanding options		136		459		120		300
Diluted weighted average shares outstanding		138,481		139,347		138,481		140,223
Diluted earnings per common share	$	0.42	$	0.46	$	1.24	$	1.20

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Fair Value Information (Tables)

9 Months Ended

Sep. 30, 2023

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 September 30, 2023		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:
Government agency/GSE	$	34,109	$	—	$	34,109	$	—
Mortgage-backed securities		2,436,624		—		2,436,624		—
CMO/REMIC		377,498		—		377,498		—
Municipal bonds		23,813		—		23,813		—
Other securities		1,119		—		1,119		—
Total investment securities - AFS		2,873,163		—		2,873,163		—
Derivatives not designated as hedging instruments:
Interest rate swaps		—		—		—		—
Derivatives designated as hedging instruments:
Interest rate swaps		24,868		—		24,868		—
Total assets	$	2,898,031	$	—	$	2,898,031	$	—
Description of liability
Derivatives not designated as hedging instruments:
Interest rate swaps	$	—	$	—	$	—	$	—
Total liabilities	$	—	$	—	$	—	$	—

	Carrying Value at December 31, 2022		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	$	2,789,141	$	—	$	2,789,141	$	—
CMO/REMIC		439,303		—		439,303		—
Municipal bonds		25,687		—		25,687		—
Other securities		1,080		—		1,080		—
Total investment securities - AFS		3,255,211		—		3,255,211		—
Derivatives not designated as hedging instruments:
Interest rate swaps		82		—		82		—
Total assets	$	3,255,293	$	—	$	3,255,293	$	—
Description of liability
Derivatives not designated as hedging instruments:
Interest rate swaps	$	82	$	—	$	82	$	—
Total liabilities	$	82	$	—	$	82	$	—

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 September 30, 2023		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 Nine Months Ended September 30, 2023
	(Dollars in thousands)
Description of assets
Loans:
Commercial real estate	$	2,813	$	—	$	—	$	2,813	$	8
Construction		—		—		—		—		—
SBA		209		—		—		209		217
SBA - PPP		—		—		—		—		—
Commercial and industrial		3,575		—		—		3,575		3,100
Dairy & livestock and    agribusiness		4,799		—		—		4,799		57
Municipal lease finance    receivables		—		—		—		—		—
SFR mortgage		—		—		—		—		—
Consumer and other loans		—		—		—		—		—
Other real estate owned		—		—		—		—		—
Asset held-for-sale		—		—		—		—		—
Total assets	$	11,396	$	—	$	—	$	11,396	$	3,382

	Carrying Value at December 31, 2022		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, 2022
	(Dollars in thousands)
Description of assets
Loans:
Commercial real estate	$	2,639	$	—	$	—	$	2,639	$	1
Construction		—		—		—		—		—
SBA		323		—		—		323		182
SBA - PPP		—		—		—		—		2
Commercial and industrial		451		—		—		451		326
Dairy & livestock and    agribusiness		113		—		—		113		113
Municipal lease finance    receivables		—		—		—		—		—
SFR mortgage		—		—		—		—		—
Consumer and other loans		—		—		—		—		2
Other real estate owned		—		—		—		—		—
Asset held-for-sale		—		—		—		—		—
Total assets	$	3,526	$	—	$	—	$	3,526	$	626

Estimated Fair Value of Financial Instruments

The use of different market assumptions and/or estimation methodologies may have a material effect on the estimated fair value amounts.

	September 30, 2023
	Carrying		Estimated Fair Value
	Amount		Level 1		Level 2		Level 3		Total
	(Dollars in thousands)
Assets
Total cash and cash equivalents	$	240,695	$	240,695	$	—	$	—	$	240,695
Interest-earning balances due from    depository institutions		4,108		—		4,108		—		4,108
Investment securities available-for-sale		2,873,163		—		2,873,163		—		2,873,163
Investment securities held-to-maturity		2,489,441		—		1,969,318		—		1,969,318
Total loans, net of allowance for credit    losses		8,788,637		—		—		7,961,394		7,961,394
Derivatives not designated as hedging instruments:
Interest rate swaps		—		—		—		—		—
Derivatives designated as hedging instruments:
Interest rate swaps		24,868		—		24,868		—		24,868
Liabilities
Deposits:
Interest-bearing	$	4,772,137	$	—	$	4,766,447	$	—	$	4,766,447
Borrowings		1,389,552		—		1,322,699		—		1,322,699
Junior subordinated debentures		—		—		—		—		—
Derivatives not designated as hedging instruments:
Interest rate swaps		—		—		—		—		—

	December 31, 2022
	Carrying		Estimated Fair Value
	Amount		Level 1		Level 2		Level 3		Total
	(Dollars in thousands)
Assets
Total cash and cash equivalents	$	203,461	$	203,461	$	—	$	—	$	203,461
Interest-earning balances due from    depository institutions		9,553		—		9,553		—		9,553
Investment securities available-for-sale		3,255,211		—		3,255,211		—		3,255,211
Investment securities held-to-maturity		2,554,301		—		2,155,587		—		2,155,587
Total loans, net of allowance for credit    losses		8,994,275		—		—		8,074,952		8,074,952
Derivatives not designated as hedging instruments:
Interest rate swaps		82		—		82		—		82
Liabilities
Deposits:
Interest-bearing	$	4,671,881	$	—	$	4,664,657	$	—	$	4,664,657
Borrowings		1,560,431		—		1,444,659		—		1,444,659
Junior subordinated debentures		—		—		—		—		—
Derivatives not designated as hedging instruments:
Interest rate swaps		82		—		82		—		82

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Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2023

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair Value of Derivative Instruments

The location of the asset and liability, and their respective fair values, are summarized in the tables below.

	September 30, 2023
	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	$	—	Other liabilities	$	—
Total		$	—		$	—
Derivatives designated as hedging instruments:
Interest rate swaps	Other assets	$	24,868	Other liabilities	$	—
Total		$	24,868		$	—

	December 31, 2022
	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	$	82	Other liabilities	$	82
Total derivatives		$	82		$	82

Effect of Derivative Instruments on Consolidated Statement of Earnings

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

	Location of Gain Recognized in Income on Derivative Instruments	Amount of Gain Recognized in Income on Derivative Instruments
		Three Months Ended September 30,				Nine Months Ended September 30,
		2023		2022		2023		2022
Derivatives Not Designated as Hedging Instruments:		(Dollars in thousands)
Interest rate swaps	Other income	$	—	$	—	$	—	$	—
Total		$	—	$	—	$	—	$	—

	Location of Gain Recognized in Income on Derivative Instruments	Amount of Gains (Losses) Recognized in Interest Income on Derivative Instruments								OCI Impact on Derivatives-Gains (Losses) recorded in OCI
		Three Months Ended September 30, 2023				Nine Months Ended September 30, 2023				Three Months Ended September 30, 2023				Nine Months Ended September 30, 2023
		2023		2022		2023		2022		2023		2022		2023		2022
		(Dollars in thousands)								(Dollars in thousands)
Derivatives Designated as Hedging Instruments:
Interest rate swaps	Interest income	$	3,790	$	—	$	4,236	$	—	$	9,708	$	—	$	17,554	$	—
Total		$	3,790	$	—	$	4,236	$	—	$	9,708	$	—	$	17,554	$	—

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Other Comprehensive Income (Tables)

9 Months Ended

Sep. 30, 2023

Equity [Abstract]

Summary of Components of Other Comprehensive Income

The table below provides a summary of the components of other comprehensive income (“OCI”) for the periods presented.

	Three Months Ended September 30,
	2023									2022
	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	$	(130,768	)	$	38,660		$	(92,108	)	$	(194,111	)	$	57,386		$	(136,725	)
Amortization of net unrealized losses on securities    transferred from available-for-sale to held-to-maturity		(3,096	)		3,234			138			95			(28	)		67
Derivatives designated as hedging instruments:
Net change in fair value recorded in accumulated OCI		13,739			(4,031	)		9,708			—			—			—
Net change	$	(120,125	)	$	37,863		$	(82,262	)	$	(194,016	)	$	57,358		$	(136,658	)

	Nine Months Ended September 30,
	2023									2022
	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	$	(128,340	)	$	37,942		$	(90,398	)	$	(539,066	)	$	159,367		$	(379,699	)
Amortization of net unrealized losses on securities    transferred from available-for-sale to held-to-maturity		714			(212	)		502			242			(72	)		170
Derivatives designated as hedging instruments:
Net change in fair value recorded in accumulated OCI		24,868			(7,314	)		17,554			—			—			—
Net change	$	(102,758	)	$	30,416		$	(72,342	)	$	(538,825	)	$	159,296		$	(379,529	)

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Balance Sheet Offsetting (Tables)

9 Months Ended

Sep. 30, 2023

Text Block [Abstract]

Schedule of Balance Sheet Offsetting

	Gross Amounts Recognized in the Condensed		Gross Amounts Offset in the Condensed			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)
September 30, 2023
Financial assets:
Derivatives not designated as    hedging instruments	$	—	$	—		$	—	$	—	$	—		$	—
Derivatives designated as    hedging instruments		24,868		—			—		24,868		—			24,868
Total	$	24,868	$	—		$	—	$	24,868	$	—		$	24,868
Financial liabilities:
Derivatives not designated as    hedging instruments	$	60,116	$	(60,116	)	$	—	$	60,116	$	(7,536	)	$	52,580
Repurchase agreements		269,552		—			269,552		—		382,531			652,083
Total	$	329,668	$	(60,116	)	$	269,552	$	60,116	$	374,995		$	704,663
December 31, 2022
Financial assets:
Derivatives not designated as    hedging instruments	$	82	$	—		$	—	$	82	$	—		$	82
Total	$	82	$	—		$	—	$	82	$	—		$	82
Financial liabilities:
Derivatives not designated as    hedging instruments	$	53,996	$	(53,914	)	$	82	$	53,914	$	(18,258	)	$	35,738
Repurchase agreements		565,431		—			565,431		—		(634,075	)		(68,644	)
Total	$	619,427	$	(53,914	)	$	565,513	$	53,914	$	(652,333	)	$	(32,906	)

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Leases (Tables)

9 Months Ended

Sep. 30, 2023

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.

	September 30, 2023		December 31, 2022
	(Dollars in thousands)
Lease Assets and Liabilities
ROU assets	$	23,025	$	22,696
Total lease liabilities		25,199		24,458

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(Dollars in thousands)
Lease Cost
Operating lease expense (1)	$	1,832	$	1,846	$	5,513	$	5,541
Sublease income		—		—		—		—
Total lease expense	$	1,832	$	1,846	$	5,513	$	5,541

(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	$	1,682	$	1,882	$	4,951	$	5,593

	September 30, 2023			December 31, 2022
Lease Term and Discount Rate
Weighted average remaining lease term    (years)		4.12			4.12
Weighted average discount rate		3.43	%		2.80	%

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 September 30, 2023, excluding property taxes and insurance, are as follows:

	September 30, 2023
	(Dollars in thousands)
Year:
2023 (excluding the nine months ended September 30, 2023)	$	1,691
2024		7,196
2025		6,578
2026		5,313
2027		3,822
Thereafter		2,613
Total future lease payments		27,213
Less: Imputed interest		(2,014	)
Present value of lease liabilities	$	25,199

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Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2023

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 table presents noninterest income, segregated by revenue streams in-scope and out-of-scope of ASU No. 2014-09 “Revenue from Contracts with Customers (Topic 606)”, for the periods indicated.

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(Dollars in thousands)
Noninterest income:
In-scope of Topic 606:
Service charges on deposit accounts	$	5,062	$	5,233	$	15,244	$	15,625
Trust and investment services		3,246		2,867		9,475		8,651
Bankcard services		354		376		1,221		1,102
Gain/(loss) on sale of other investments		2,575		—		2,575		—
Other		1,524		1,127		6,818		8,207
Noninterest Income (in-scope of Topic 606)		12,761		9,603		35,333		33,585
Noninterest Income (out-of-scope of Topic 606)		1,548		1,987		4,834		3,939
Total noninterest income	$	14,309	$	11,590	$	40,167	$	37,524

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Summary Of Significant Accounting Policies (Additional Information) (Details) $ in Millions	Sep. 30, 2023 USD ($)
Accounting Policies [Abstract]
Fair value hedging transactions	$ 1,000.0
Weighted average fixd rate	3.80%
Fair value of instruments totaled	$ 24.9

XML

Business - Additional Information (Detail) $ in Thousands	Sep. 30, 2023 USD ($) Center Location Subsidiary	Dec. 31, 2022 USD ($)	Jan. 07, 2022 USD ($)
Schedule Of Description Of Company [Line Items]
Number of inactive subsidiaries | Subsidiary	1
Bank operated banking centers | Center	62
Bank operated trust office locations, number | Location	3
Assets	$ 15,903,015	$ 16,476,540
Bank Owned Life Insurance	259,468	255,528
Goodwill	$ 765,822	$ 765,822
Suncrest Bank [Member]
Schedule Of Description Of Company [Line Items]
Assets			$ 1,380,000
Acquired net loans at fair value			765,900
Fair Value of Acquired Investment Securities			131,100
Bank Owned Life Insurance			9,000
Goodwill			102,100
Deposits Assets			3,900
Cash consideration			$ 39,600

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Business Combinations (Additional Information) (Details) - USD ($) $ in Thousands		9 Months Ended
	Jan. 07, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Asset Acquisition [Line Items]
Other assets acquisition	$ 197,100
Total assets		$ 15,903,015		$ 16,476,540
Cash and cash equivalents		240,695		203,461
Premises and equipment, net		44,561		46,698
Bank owned life insurance (BOLI)		259,468		255,528
Other assets		142,525		108,946
Goodwill		765,822		765,822
Fair value of liabilities assumed		0	$ 8,697
Noninterest-bearing deposits		7,586,649		8,164,364
Interest-bearing		$ 4,772,137		$ 4,671,881
Suncrest Bank [Member]
Asset Acquisition [Line Items]
Cash consideration	39,600
Total assets	1,380,000
Cash and cash equivalents	329,000
Fair Value of Acquired Investment Securities	131,100
Acquired net loans at fair value	765,900
Premises and equipment, net	6,100
Bank owned life insurance (BOLI)	9,000
Other assets	33,700
Loans recorded at a fair value	224,700
Loans net of a discount	13,100
Loans credit discount	8,600
Deposit premium	3,900
Goodwill	102,100
Fair value of liabilities assumed	1,190,000
Noninterest-bearing deposits	512,800
Interest-bearing	669,800
Other liabilities	$ 6,200
Non-recurring merger related expenses			$ 6,000

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Investment Securities - Summary of Amortized Cost and Estimated Fair Value of Investment Securities (Detail) - USD ($) $ in Thousands		Sep. 30, 2023	Dec. 31, 2022
Schedule of Investments [Line Items]
Amortized Cost, Available-for-sale		$ 3,526,455	$ 3,755,297
Gross Unrealized Holding Gain, Available-for-sale		24	106
Gross Unrealized Holding Loss, Available-for-sale		(653,316)	(500,192)
Investment securities available-for-sale		$ 2,873,163	$ 3,255,211
Total Percent, Available-for-sale		100.00%	100.00%
Amortized Cost, Held-to-maturity		$ 2,489,441	$ 2,554,301
Gross Unrealized Holding Gain, Held-to-maturity		4	913
Gross Unrealized Holding Loss, Held-to-maturity		(520,127)	(399,627)
Fair Value, Held-to-maturity		$ 1,969,318	$ 2,155,587
Total Percent, Held-to-maturity		100.00%	100.00%
Government Agency/GSE [Member]
Schedule of Investments [Line Items]
Amortized Cost, Available-for-sale		$ 34,126
Gross Unrealized Holding Gain, Available-for-sale		0
Gross Unrealized Holding Loss, Available-for-sale		(17)
Investment securities available-for-sale		$ 34,109
Total Percent, Available-for-sale		1.19%
Amortized Cost, Held-to-maturity		$ 534,814	$ 548,771
Gross Unrealized Holding Gain, Held-to-maturity		0	0
Gross Unrealized Holding Loss, Held-to-maturity		(123,981)	(114,343)
Fair Value, Held-to-maturity		$ 410,833	$ 434,428
Total Percent, Held-to-maturity		21.48%	21.48%
Mortgage-backed Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost, Available-for-sale		$ 2,925,382	$ 3,192,151
Gross Unrealized Holding Gain, Available-for-sale		1	39
Gross Unrealized Holding Loss, Available-for-sale		(488,759)	(403,049)
Investment securities available-for-sale		$ 2,436,624	$ 2,789,141
Total Percent, Available-for-sale		84.81%	85.68%
Amortized Cost, Held-to-maturity		$ 673,413	$ 706,796
Gross Unrealized Holding Gain, Held-to-maturity		0	0
Gross Unrealized Holding Loss, Held-to-maturity		(134,290)	(105,867)
Fair Value, Held-to-maturity		$ 539,123	$ 600,929
Total Percent, Held-to-maturity		27.05%	27.67%
Municipal Bonds [Member]
Schedule of Investments [Line Items]
Amortized Cost, Available-for-sale		$ 26,799	$ 26,797
Gross Unrealized Holding Gain, Available-for-sale		23	67
Gross Unrealized Holding Loss, Available-for-sale		(3,009)	(1,177)
Investment securities available-for-sale		$ 23,813	$ 25,687
Total Percent, Available-for-sale		0.83%	0.79%
Amortized Cost, Held-to-maturity		$ 469,208	$ 471,388
Gross Unrealized Holding Gain, Held-to-maturity		4	913
Gross Unrealized Holding Loss, Held-to-maturity		(67,619)	(47,687)
Fair Value, Held-to-maturity		$ 401,593	$ 424,614
Total Percent, Held-to-maturity		18.85%	18.46%
Other Securities [Member]
Schedule of Investments [Line Items]
Amortized Cost, Available-for-sale		$ 1,119	$ 1,080
Gross Unrealized Holding Gain, Available-for-sale		0	0
Gross Unrealized Holding Loss, Available-for-sale		0	0
Investment securities available-for-sale		$ 1,119	$ 1,080
Total Percent, Available-for-sale		0.04%	0.03%
Unallocated Portfolio Layer Fair Value [Member]
Schedule of Investments [Line Items]
Amortized Cost, Available-for-sale	[1]	$ 24,868
Gross Unrealized Holding Gain, Available-for-sale	[1]	0
Gross Unrealized Holding Loss, Available-for-sale	[1]	(24,868)
Investment securities available-for-sale	[1]	$ 0
Total Percent, Available-for-sale	[1]	0.00%
CMO/REMIC [Member]
Schedule of Investments [Line Items]
Amortized Cost, Available-for-sale		$ 514,161	$ 535,269
Gross Unrealized Holding Gain, Available-for-sale		0	0
Gross Unrealized Holding Loss, Available-for-sale		(136,663)	(95,966)
Investment securities available-for-sale		$ 377,498	$ 439,303
Total Percent, Available-for-sale		13.13%	13.50%
Amortized Cost, Held-to-maturity		$ 812,006	$ 827,346
Gross Unrealized Holding Gain, Held-to-maturity		0	0
Gross Unrealized Holding Loss, Held-to-maturity		(194,237)	(131,730)
Fair Value, Held-to-maturity		$ 617,769	$ 695,616
Total Percent, Held-to-maturity		32.62%	32.39%

[1] Represents the amount of portfolio layer method basis adjustments related to AFS MBS securities hedged in a closed portfolio. Under U.S. GAAP, portfolio layer method basis adjustments are not allocated to individual securities, however the amounts impact the unrealized gains or losses for the individual securities being hedged. Refer to Note 3 and Note 10 for additional information.

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Investment Securities - Summary of Interest Income Earned on Investment Securities (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net Investment Income [Line Items]
Total interest income from available-for-sale securities	$ 22,441	$ 18,543	$ 61,393	$ 48,417
Total interest income from held-to-maturity securities	13,576	12,834	41,272	35,211
Total interest income from investment securities	36,017	31,377	102,665	83,628
Investment securities available-for-sale [Member]
Net Investment Income [Line Items]
Taxable	22,272	18,371	60,887	47,883
Tax-advantaged	169	172	506	534
Total interest income from available-for-sale securities	22,441	18,543	61,393	48,417
Investment securities held-to-maturity [Member]
Net Investment Income [Line Items]
Taxable	11,139	10,845	33,939	29,927
Tax-advantaged	2,437	1,989	7,333	5,284
Total interest income from held-to-maturity securities	$ 13,576	$ 12,834	$ 41,272	$ 35,211

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Investment Securities - Additional Information (Detail) - USD ($)	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Total deposits	$ 12,358,786,000	$ 12,836,245,000
Debt securities, held-to-maturity, allowance for credit loss	0	0
Investment in FHLB stock, impairment losses	$ 0
Debt securities weighted average remaining contractual maturity term	23 years
United States [Member]
Debt Securities, Available-for-sale [Line Items]
Securities issued by U.S. government percentage	91.00%
Investment Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Pledged to secure amount	$ 2,160,000,000	1,560,000,000
Total deposits	1,340,000,000	1,130,000,000
Secure public funds	433,500,000	652,000,000
Outstanding borrowings	870,000,000	550,000,000
Other purposes	52,000,000	27,000
Pledged to secure unused borrowing capacity	2,940,000,000	3,150,000,000
Secured unused borrowing capacity	$ 1,580,000,000	$ 105,000,000

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Investment Securities - Summary of Continuous Unrealized Loss Position of Securities (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Schedule of Investments [Line Items]
Fair Value, Less Than 12 Months, Available-for-sale	$ 40,636	$ 1,736,843
Gross Unrealized Holding Losses, Less Than 12 Months, Available-for-sale	(484)	(193,815)
Fair Value, 12 Months or Longer, Available-for-sale	2,829,568	1,514,552
Gross Unrealized Holding Losses, 12 Months or Longer, Available-for-sale	(627,964)	(306,377)
Fair Value, Available-for-sale	2,870,204	3,251,395
Gross Unrealized Holding Losses, Available-for-sale	(628,448)	(500,192)
Fair Value, Less Than 12 Months, Held-to-maturity	109,966	1,057,070
Gross Unrealized Holding Loss, Less than 12 Months, Held-to-maturity	(7,127)	(145,162)
Fair Value, 12 Months or Longer, Held-to-maturity	1,855,992	1,039,955
Gross Unrealized Holding Losses, 12 Months or Longer, Held-to-maturity	(513,000)	(254,465)
Fair Value, Held-to-maturity	1,965,958	2,097,025
Gross Unrealized Holding Losses, Held-to-maturity	(520,127)	(399,627)
CMO/REMIC [Member]
Schedule of Investments [Line Items]
Fair Value, Less Than 12 Months, Available-for-sale	3	54,005
Gross Unrealized Holding Losses, Less Than 12 Months, Available-for-sale	0	(4,796)
Fair Value, 12 Months or Longer, Available-for-sale	377,495	385,295
Gross Unrealized Holding Losses, 12 Months or Longer, Available-for-sale	(136,663)	(91,170)
Fair Value, Available-for-sale	377,498	439,300
Gross Unrealized Holding Losses, Available-for-sale	(136,663)	(95,966)
Fair Value, Less Than 12 Months, Held-to-maturity	0	376,540
Gross Unrealized Holding Loss, Less than 12 Months, Held-to-maturity	0	(60,598)
Fair Value, 12 Months or Longer, Held-to-maturity	617,769	319,076
Gross Unrealized Holding Losses, 12 Months or Longer, Held-to-maturity	(194,237)	(71,132)
Fair Value, Held-to-maturity	617,769	695,616
Gross Unrealized Holding Losses, Held-to-maturity	(194,237)	(131,730)
Mortgage-backed Securities [Member]
Schedule of Investments [Line Items]
Fair Value, Less Than 12 Months, Available-for-sale	825	1,658,331
Gross Unrealized Holding Losses, Less Than 12 Months, Available-for-sale	(16)	(187,842)
Fair Value, 12 Months or Longer, Available-for-sale	2,435,125	1,129,257
Gross Unrealized Holding Losses, 12 Months or Longer, Available-for-sale	(488,743)	(215,207)
Fair Value, Available-for-sale	2,435,950	2,787,588
Gross Unrealized Holding Losses, Available-for-sale	(488,759)	(403,049)
Fair Value, Less Than 12 Months, Held-to-maturity	0	188,480
Gross Unrealized Holding Loss, Less than 12 Months, Held-to-maturity	0	(9,042)
Fair Value, 12 Months or Longer, Held-to-maturity	539,123	412,449
Gross Unrealized Holding Losses, 12 Months or Longer, Held-to-maturity	(134,290)	(96,825)
Fair Value, Held-to-maturity	539,123	600,929
Gross Unrealized Holding Losses, Held-to-maturity	(134,290)	(105,867)
Municipal Bonds [Member]
Schedule of Investments [Line Items]
Fair Value, Less Than 12 Months, Available-for-sale	5,699	24,507
Gross Unrealized Holding Losses, Less Than 12 Months, Available-for-sale	(451)	(1,177)
Fair Value, 12 Months or Longer, Available-for-sale	16,948	0
Gross Unrealized Holding Losses, 12 Months or Longer, Available-for-sale	(2,558)	0
Fair Value, Available-for-sale	22,647	24,507
Gross Unrealized Holding Losses, Available-for-sale	(3,009)	(1,177)
Fair Value, Less Than 12 Months, Held-to-maturity	109,966	312,702
Gross Unrealized Holding Loss, Less than 12 Months, Held-to-maturity	(7,127)	(35,656)
Fair Value, 12 Months or Longer, Held-to-maturity	288,267	53,350
Gross Unrealized Holding Losses, 12 Months or Longer, Held-to-maturity	(60,492)	(12,031)
Fair Value, Held-to-maturity	398,233	366,052
Gross Unrealized Holding Losses, Held-to-maturity	(67,619)	(47,687)
Government Agency/GSE [Member]
Schedule of Investments [Line Items]
Fair Value, Less Than 12 Months, Available-for-sale	34,109
Gross Unrealized Holding Losses, Less Than 12 Months, Available-for-sale	(17)
Fair Value, 12 Months or Longer, Available-for-sale	0
Gross Unrealized Holding Losses, 12 Months or Longer, Available-for-sale	0
Fair Value, Available-for-sale	34,109
Gross Unrealized Holding Losses, Available-for-sale	(17)
Fair Value, Less Than 12 Months, Held-to-maturity	0	179,348
Gross Unrealized Holding Loss, Less than 12 Months, Held-to-maturity	0	(39,866)
Fair Value, 12 Months or Longer, Held-to-maturity	410,833	255,080
Gross Unrealized Holding Losses, 12 Months or Longer, Held-to-maturity	(123,981)	(74,477)
Fair Value, Held-to-maturity	410,833	434,428
Gross Unrealized Holding Losses, Held-to-maturity	$ (123,981)	$ (114,343)

XML

Investment Securities - Summary of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Due in one year or less, Amortized Cost, Held-to-maturity	$ 12,414
Due after one year through five years, Amortized Cost, Held-to-maturity	34,306
Due after five years through ten years, Amortized Cost, Held-to-maturity	323,267
Due after ten years, Amortized Cost, Held-to-maturity	2,119,454
Total Held-to-maturity, Debt Maturities, Amortized Cost Basis	2,489,441
Due in one year or less, Fair Value, Held-to-maturity	11,874
Due after one year through five years, Fair Value, Held-to-maturity	32,206
Due after five years through ten years, Fair Value, Held-to-maturity	273,094
Due after ten years, Fair Value, Held-to-maturity	1,652,144
Total, Held-to-maturity, Fair Value	1,969,318
Due in one year or less, Amortized Cost, Available-for-sale	35,816
Due after one year through five years, Amortized Cost, Available-for-sale	321,428
Due after five years through ten years, Amortized Cost, Available-for-sale	2,403,432
Due after ten years, Amortized Cost, Available-for-sale	765,779
Amortized Cost, Available-for-sale	3,526,455	$ 3,755,297
Due in one year or less, Fair Value, Available-for-sale	35,794
Due after one year through five years, Fair Value, Available-for-sale	278,310
Due after five years through ten years, Fair Value, Available-for-sale	1,964,310
Due after ten years, Fair Value, Available-for-sale	594,749
Total Available-for-sale Securities, Debt Maturities, Available-for-sale, Fair Value	$ 2,873,163	$ 3,255,211

XML

Loans and Lease Finance Receivables and Allowance for Credit Losses - Additional Information (Detail)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($) Loan	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022 USD ($) Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-sale	$ 0		$ 0					$ 0
Impaired, at carrying value								7,800,000
Allowance for Credit Losses	89,000,000		89,000,000					85,100,000
Reserve for credit risk for undisbursed commitments	8,000,000		8,000,000					8,000,000
Allocation of allowance to troubled debt restructuring		$ 0		$ 0				0
Increase in reserve for unfunded loan commitments	900,000	$ 0	0	$ 0
Allowance For Credit Losses Increase Decrease			4,000,000					$ 3,900,000
Allowance For Credit Losses Write Offs			8,000,000
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | Loan				0				0
Loan Pledged As Collateral	$ 4,350,000,000		4,350,000,000					$ 4,300,000,000
Allowance for write off			$ 122,000
Forecast [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of Increase Decrease In Macro Economic Factors					5.70%	5.20%	3.80%
GDP [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of Increase Decrease In Macro Economic Factors							2.10%
GDP [Member] | Forecast [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of Increase Decrease In Macro Economic Factors					1.10%	0.30%
Commercial Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of total gross loan portfolio (excluding PCI loans)	80.81%		80.81%
Notes receivable gross	$ 6,843,059,000		$ 6,843,059,000					6,884,948,000
Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of total gross loan portfolio (excluding PCI loans)	77.08%		77.08%
Loans Secured by Dairy & Livestock Land [Member] | Agribusiness Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans classified as troubled debt restructured								2,000,000
Performing Financing Receivable [Member] | Single-family Residential Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans classified as troubled debt restructured								1,000,000
Performing Financing Receivable [Member] | Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans classified as troubled debt restructured								$ 4,800,000
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of total gross loan portfolio (excluding PCI loans)	1.00%		1.00%					0.94%
Loans, Excluding PCI Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	$ 351,500,000		$ 351,500,000					$ 433,600,000
Loans, Excluding PCI Loans [Member] | Dairy & Livestock Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	301,500,000		301,500,000					388,500,000
Loans, Excluding PCI Loans [Member] | Agribusiness Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	$ 50,000,000		$ 50,000,000					$ 45,100,000
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)	7.44%		7.44%					7.52%
Notes receivable gross	$ 509,200,000		$ 509,200,000					$ 517,800,000
Loans, Excluding PCI Loans [Member] | Loans Secured by Farmland [Member] | Loans Secured by Dairy & Livestock Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	133,200,000		133,200,000
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								140,500,000
Loans, Excluding PCI Loans [Member] | Loans Secured by Farmland [Member] | Loans Secured by Agricultural Land [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross								$ 377,300,000
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	$ 376,000		$ 376,000

XML

Loans and Lease Finance Receivables and Allowance for Credit Losses - Summary of Components of Loans and Lease Finance Receivables, Including PCI Loans (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Construction	$ 63,022		$ 88,271
Total loans, at amortized cost	8,877,632		9,079,392
Less: Allowance for credit losses	(88,995)	$ (86,967)	(85,117)	$ (82,601)	$ (80,222)	$ (65,019)
Total loans and lease finance receivables, net	8,788,637		8,994,275
Commercial real estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	6,843,059		6,884,948
SBA [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	283,124		290,908
SBA - Paycheck Protection Program (PPP) [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	3,233		9,087
Less: Allowance for credit losses			0	0	0
Commercial And Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	938,064		948,683
Dairy And Livestock And Agribusiness [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	351,463		433,564
Municipal Lease Finance Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	75,621		81,126
Less: Allowance for credit losses	(246)	$ (273)	(296)	$ (239)	$ (183)	$ (100)
SFR mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	268,171		266,024
Consumer and other loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable gross	$ 51,875		$ 76,781

XML

Loans and Lease Finance Receivables and Allowance for Credit Losses - Summary of loans by type and origination year, according to our internal risk ratings (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
2023	$ 542,889	$ 1,683,162
2022	1,632,465	1,512,519
2021	1,438,370	1,178,645
2020	1,144,796	744,349
2019	685,020	633,929
Prior	2,560,933	2,265,644
Revolving loans amortized cost basis	817,251	1,002,474
Revolving loans converted to term loans	55,908	58,670
Total	8,877,632	9,079,392
Gross charge-off prior	224
Gross charge-off total	224
Commercial real estate loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	377,204	1,367,018
2022	1,339,962	1,209,404
2021	1,175,469	984,873
2020	952,006	592,100
2019	563,872	528,353
Prior	2,232,525	1,987,303
Revolving loans amortized cost basis	163,146	176,281
Revolving loans converted to term loans	38,875	39,616
Total	6,843,059	6,884,948
Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	375	17,203
2022	14,984	26,689
2021	24,400	16,578
2020	8,062	0
2019		4,951
Prior	0	0
Revolving loans amortized cost basis	15,201	22,850
Revolving loans converted to term loans		0
Total	63,022	88,271
SBA [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	20,163	60,623
2022	50,643	54,781
2021	53,354	35,243
2020	34,387	8,781
2019	8,139	30,735
Prior	116,438	99,719
Revolving loans amortized cost basis		1,026
Revolving loans converted to term loans		0
Total	283,124	290,908
Gross charge-off prior	207
Gross charge-off total	207
SBA - Paycheck Protection Program (PPP) [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022		5,515
2021	809	3,572
2020	2,424	0
2019		0
Prior	0	0
Revolving loans amortized cost basis	0	0
Revolving loans converted to term loans	0	0
Total	3,233	9,087
Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	124,308	159,214
2022	154,242	135,923
2021	109,090	81,950
2020	94,392	103,844
2019	78,331	48,817
Prior	108,377	85,910
Revolving loans amortized cost basis	256,354	323,945
Revolving loans converted to term loans	12,970	9,080
Total	938,064	948,683
Gross charge-off prior	16
Gross charge-off total	16
Dairy And Livestock And Agribusiness [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	710	1,248
2022	0	2,318
2021	2,074	1,555
2020	1,054	786
2019	181	210
Prior	413	741
Revolving loans amortized cost basis	345,692	419,199
Revolving loans converted to term loans	1,339	7,507
Total	351,463	433,564
Municipal Lease Finance Receivables [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	6,442
2022	5,989	26,858
2021	26,088	6,814
2020	6,188	4,327
2019	4,266	4,948
Prior	33,090	31,737
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total	75,621	81,126
SFR mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	17,581	63,761
2022	61,882	46,748
2021	43,841	46,762
2020	45,453	33,585
2019	29,521	15,836
Prior	69,554	58,944
Revolving loans amortized cost basis		0
Revolving loans converted to term loans	339	388
Total	268,171	266,024
Consumer Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	2,548	7,653
2022	4,763	4,283
2021	3,245	1,298
2020	830	926
2019	710	79
Prior	536	1,290
Revolving loans amortized cost basis	36,858	59,173
Revolving loans converted to term loans	2,385	2,079
Total	51,875	76,781
Gross charge-off prior	1
Gross charge-off total	1
Pass [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	530,758	1,674,387
2022	1,618,621	1,499,083
2021	1,420,519	1,149,567
2020	1,091,735	690,504
2019	622,713	599,162
Prior	2,435,905	2,163,284
Revolving loans amortized cost basis	741,775	963,645
Revolving loans converted to term loans	45,993	48,948
Total	8,508,019	8,788,580
Pass [Member] | Commercial real estate loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	373,704	1,363,733
2022	1,327,377	1,197,290
2021	1,159,196	957,965
2020	900,512	542,827
2019	508,645	506,613
Prior	2,119,797	1,889,478
Revolving loans amortized cost basis	160,435	175,373
Revolving loans converted to term loans	38,875	39,616
Total	6,588,541	6,672,895
Pass [Member] | Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	375	17,203
2022	14,984	26,689
2021	24,400	16,578
2020	8,062	0
2019	0	0
Prior	0	0
Revolving loans amortized cost basis	15,201	22,850
Revolving loans converted to term loans		0
Total	63,022	83,320
Pass [Member] | SBA [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	20,163	60,623
2022	50,643	54,781
2021	53,354	35,243
2020	34,387	7,460
2019	6,249	28,886
Prior	110,538	96,473
Revolving loans amortized cost basis		1,026
Revolving loans converted to term loans		0
Total	275,334	284,492
Pass [Member] | SBA - Paycheck Protection Program (PPP) [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022		5,515
2021	809	3,572
2020	2,424	0
2019		0
Prior	0	0
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total	3,233	9,087
Pass [Member] | Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	116,890	154,765
2022	152,983	135,162
2021	107,790	80,763
2020	93,749	101,192
2019	73,760	42,731
Prior	102,963	85,406
Revolving loans amortized cost basis	248,769	305,589
Revolving loans converted to term loans	6,218	7,775
Total	903,122	913,383
Pass [Member] | Dairy And Livestock And Agribusiness [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	247	207
2022	0	2,318
2021	2,074	1,515
2020	1,054	187
2019	120	69
Prior	205	628
Revolving loans amortized cost basis	280,524	400,229
Revolving loans converted to term loans	0	450
Total	284,224	405,603
Pass [Member] | Municipal Lease Finance Receivables [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	6,442
2022	5,989	26,858
2021	26,088	6,814
2020	6,188	4,327
2019	4,266	4,948
Prior	32,867	31,292
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total	75,398	80,681
Pass [Member] | SFR mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	16,831	63,761
2022	61,882	46,748
2021	43,841	45,819
2020	44,529	33,585
2019	28,963	15,836
Prior	69,010	58,730
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total	265,056	264,479
Pass [Member] | Consumer Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	2,548	7,653
2022	4,763	3,722
2021	2,967	1,298
2020	830	926
2019	710	79
Prior	525	1,277
Revolving loans amortized cost basis	36,846	58,578
Revolving loans converted to term loans	900	1,107
Total	50,089	74,640
Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	11,887	7,240
2022	5,403	13,436
2021	17,851	12,686
2020	30,463	36,589
2019	49,449	28,398
Prior	84,740	78,625
Revolving loans amortized cost basis	69,684	33,783
Revolving loans converted to term loans	7,890	1,397
Total	277,367	212,154
Special Mention [Member] | Commercial real estate loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	3,256	3,285
2022	4,417	12,114
2021	16,273	11,284
2020	28,896	32,976
2019	42,458	21,646
Prior	77,508	76,290
Revolving loans amortized cost basis	1,911	908
Revolving loans converted to term loans		0
Total	174,719	158,503
Special Mention [Member] | Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019		4,951
Prior	0	0
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total		4,951
Special Mention [Member] | SBA [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022		0
2021		0
2020		1,321
2019	1,890	1,293
Prior	2,560	2,065
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total	4,450	4,679
Special Mention [Member] | SBA - Paycheck Protection Program (PPP) [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022		0
2021		0
2020		0
2019		0
Prior	0	0
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total		0
Special Mention [Member] | Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	7,418	3,955
2022	986	761
2021	1,300	459
2020	643	1,693
2019	4,482	462
Prior	4,110	8
Revolving loans amortized cost basis	5,098	15,156
Revolving loans converted to term loans	5,702	544
Total	29,739	23,038
Special Mention [Member] | Dairy And Livestock And Agribusiness [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	463	0
2022	0	0
2021	0	0
2020	0	599
2019	61	46
Prior	0	0
Revolving loans amortized cost basis	62,670	17,129
Revolving loans converted to term loans	1,304	853
Total	64,498	18,627
Special Mention [Member] | Municipal Lease Finance Receivables [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022		0
2021		0
2020		0
2019		0
Prior	223	262
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total	223	262
Special Mention [Member] | SFR mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	750	0
2022		0
2021		943
2020	924	0
2019	558	0
Prior	339	0
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total	2,571	943
Special Mention [Member] | Consumer Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022		561
2021	278	0
2020		0
2019		0
Prior		0
Revolving loans amortized cost basis	5	590
Revolving loans converted to term loans	884	0
Total	1,167	1,151
Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	244	1,535
2022	8,441	0
2021		16,392
2020	22,598	17,256
2019	12,858	6,369
Prior	40,288	23,735
Revolving loans amortized cost basis	5,792	5,046
Revolving loans converted to term loans	2,025	8,325
Total	92,246	78,658
Substandard [Member] | Commercial real estate loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	244	0
2022	8,168	0
2021	0	15,624
2020	22,598	16,297
2019	12,769	94
Prior	35,220	21,535
Revolving loans amortized cost basis	800	0
Revolving loans converted to term loans		0
Total	79,799	53,550
Substandard [Member] | Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019		0
Prior	0	0
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total		0
Substandard [Member] | SBA [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022		0
2021		0
2020		0
2019		556
Prior	3,340	1,181
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total	3,340	1,737
Substandard [Member] | SBA - Paycheck Protection Program (PPP) [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022		0
2021		0
2020		0
2019		0
Prior	0	0
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total		0
Substandard [Member] | Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	494
2022	273	0
2021		728
2020		959
2019	89	5,624
Prior	1,304	496
Revolving loans amortized cost basis	2,487	3,200
Revolving loans converted to term loans	1,050	761
Total	5,203	12,262
Substandard [Member] | Dairy And Livestock And Agribusiness [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	1,041
2022	0	0
2021	0	40
2020	0	0
2019	0	95
Prior	208	113
Revolving loans amortized cost basis	2,498	1,841
Revolving loans converted to term loans	35	6,204
Total	2,741	9,334
Substandard [Member] | Municipal Lease Finance Receivables [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022		0
2021		0
2020		0
2019		0
Prior		183
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total		183
Substandard [Member] | SFR mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022		0
2021		0
2020		0
2019		0
Prior	205	214
Revolving loans amortized cost basis		0
Revolving loans converted to term loans	339	388
Total	544	602
Substandard [Member] | Consumer Other [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022		0
2021		0
2020		0
2019		0
Prior	11	13
Revolving loans amortized cost basis	7	5
Revolving loans converted to term loans	601	972
Total	619	990
Doubtful [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022		0
2021		0
2020		0
2019		0
Prior		0
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total		0
Doubtful [Member] | Commercial real estate loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019		0
Prior		0
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total		0
Doubtful [Member] | Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019		0
Prior	0	0
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total	0	0
Doubtful [Member] | SBA [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022		0
2021		0
2020		0
2019		0
Prior	0	0
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total		0
Doubtful [Member] | SBA - Paycheck Protection Program (PPP) [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022		0
2021		0
2020		0
2019		0
Prior	0	0
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total		0
Doubtful [Member] | Commercial And Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023		0
2022		0
2021		0
2020		0
2019		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]
2023	0	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
Prior	0	0
Revolving loans amortized cost basis	0	0
Revolving loans converted to term loans	0	0
Total	0	0
Doubtful [Member] | Municipal Lease Finance Receivables [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022		0
2021		0
2020		0
2019		0
Prior		0
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total		0
Doubtful [Member] | SFR mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0	0
2022		0
2021		0
2020		0
2019		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]
2023	0	0
2022		0
2021		0
2020		0
2019		0
Prior		0
Revolving loans amortized cost basis		0
Revolving loans converted to term loans		0
Total		$ 0

XML

Loans and Lease Finance Receivables and Allowance for Credit 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		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 86,967	$ 80,222	$ 85,117	$ 65,019
Charge-offs	26	46	224	70
Recoveries	54	425	102	947
Initial ACL for PCD Loans at Acquisition				8,605
Provision Recorded at Acquisition				4,932
Provision for (Recapture of) Credit Losses	2,000	2,000	4,000	3,168
Ending Balance	88,995	82,601	88,995	82,601
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	67,943	61,513	64,806	50,950
Charge-offs		0
Recoveries		0
Initial ACL for PCD Loans at Acquisition				5,086
Provision Recorded at Acquisition				4,127
Provision for (Recapture of) Credit Losses	2,957	(3,392)	6,094	4,742
Ending Balance	70,900	64,905	70,900	64,905
Construction [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,162	1,062	1,702	765
Charge-offs		0
Recoveries	3	3	9	9
Initial ACL for PCD Loans at Acquisition				122
Provision Recorded at Acquisition				58
Provision for (Recapture of) Credit Losses	(166)	(657)	(712)	768
Ending Balance	999	1,722	999	1,722
SBA [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	2,656	2,613	2,809	2,668
Charge-offs	26	0	207
Recoveries	48	41	69	99
Initial ACL for PCD Loans at Acquisition				62
Provision Recorded at Acquisition				64
Provision for (Recapture of) Credit Losses	371	151	378	(88)
Ending Balance	3,049	2,805	3,049	2,805
SBA - Paycheck Protection Program (PPP) [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance		0	0
Charge-offs		0
Recoveries		0
Provision for (Recapture of) Credit Losses		0
Ending Balance		0		0
Commercial and Industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	9,121	7,194	10,206	6,669
Charge-offs		(45)	16	66
Recoveries		0	14	456
Initial ACL for PCD Loans at Acquisition				500
Provision Recorded at Acquisition				508
Provision for (Recapture of) Credit Losses	161	(16)	(922)	(934)
Ending Balance	9,282	7,133	9,282	7,133
Dairy & Livestock and Agribusiness [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	4,960	6,832	4,400	3,066
Charge-offs		0
Recoveries	3	381	10	383
Initial ACL for PCD Loans at Acquisition				2,832
Provision Recorded at Acquisition				149
Provision for (Recapture of) Credit Losses	(1,396)	2,220	(843)	(1,437)
Ending Balance	3,567	4,993	3,567	4,993
Municipal Lease Finance Receivables [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	273	183	296	100
Charge-offs		0
Recoveries		0
Initial ACL for PCD Loans at Acquisition				3
Provision Recorded at Acquisition				26
Provision for (Recapture of) Credit Losses	(27)	(56)	(50)	110
Ending Balance	246	239	246	239
SFR Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	450	254	366	188
Charge-offs		0
Recoveries		0
Initial ACL for PCD Loans at Acquisition
Provision Recorded at Acquisition
Provision for (Recapture of) Credit Losses	75	50	159	116
Ending Balance	525	304	525	304
Consumer and Other Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	402	571	532	613
Charge-offs		(1)	1	4
Recoveries		0
Initial ACL for PCD Loans at Acquisition
Provision Recorded at Acquisition
Provision for (Recapture of) Credit Losses	25	(70)	(104)	(109)
Ending Balance	$ 427	$ 500	$ 427	$ 500

XML

Loans and Lease Finance Receivables and Allowance for Credit Losses - Schedule of Recorded Investment in, and Aging of, Past Due and Nonaccrual Loans, Including PCI Loans by Class of Loans (Detail) - USD ($)	Sep. 30, 2023		Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	$ 9,357,000		$ 5,821,000
Nonaccrual	9,963,000	[1]	4,930,000	[2],[3]
Nonaccrual with No Allowance for Credit Losses	(5,932,000)		4,094,000
Loans Past Due Over 89 Days Still Accruing	0		0
Total gross loans	8,877,632,000		9,079,392,000
30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	96,000		549,000
Nonaccrual	4,000
60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	2,680,000		570,000
Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	6,581,000		4,702,000
Nonaccrual	6,600,000		4,700,000
Financial Asset Not Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Not Past Due	8,868,275,000		9,073,571,000
Commercial Real Estate Owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	3,243,000		2,639,000
Nonaccrual	3,107,000	[1]	2,639,000	[2],[3]
Nonaccrual with No Allowance for Credit Losses	(3,107,000)		2,639,000
Loans Past Due Over 89 Days Still Accruing	0		0
Total gross loans	2,471,720,000		2,485,110,000
Commercial Real Estate Owner Occupied [Member] | 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	92,000		0
Commercial Real Estate Owner Occupied [Member] | 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	44,000		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	3,107,000		2,639,000
Commercial Real Estate Owner Occupied [Member] | Financial Asset Not Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Not Past Due	2,468,477,000		2,482,471,000
Commercial Real Estate Non-owner Occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	531,000		0
Nonaccrual	548,000	[1]	18,000	[2],[3]
Nonaccrual with No Allowance for Credit Losses	(548,000)		(18,000)
Loans Past Due Over 89 Days Still Accruing	0		0
Total gross loans	4,371,339,000		4,399,838,000
Commercial Real Estate Non-owner Occupied [Member] | 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		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		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	531,000		0
Commercial Real Estate Non-owner Occupied [Member] | Financial Asset Not Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Not Past Due	4,370,808,000		4,399,838,000
Construction Speculative [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	[4]	0	[5]
Nonaccrual	0	[1],[6]	0	[2],[3],[7]
Nonaccrual with No Allowance for Credit Losses	0	[6]	0	[7]
Loans Past Due Over 89 Days Still Accruing	0	[6]	0	[7]
Total gross loans	53,058,000	[4]	67,436,000	[5]
Construction Speculative [Member] | 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	[4]	0	[5]
Construction Speculative [Member] | 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	[4]	0	[5]
Construction Speculative [Member] | Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0	[4]	0	[5]
Construction Speculative [Member] | Financial Asset Not Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Not Past Due	53,058,000	[4]	67,436,000	[5]
Construction Non-speculative [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		0
Nonaccrual	0	[1]	0	[2],[3]
Nonaccrual with No Allowance for Credit Losses			0
Loans Past Due Over 89 Days Still Accruing	0		0
Total gross loans	9,964,000		20,835,000
Construction Non-speculative [Member] | 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		0
Construction Non-speculative [Member] | 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0
Construction Non-speculative [Member] | Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		0
Construction Non-speculative [Member] | Financial Asset Not Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Not Past Due	9,964,000		20,835,000
SBA [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,050,000		999,000
Nonaccrual	1,050,000	[1]	443,000	[2],[3]
Nonaccrual with No Allowance for Credit Losses	(868,000)		268,000
Loans Past Due Over 89 Days Still Accruing	0		0
Total gross loans	283,124,000		290,908,000
SBA [Member] | 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		374,000
SBA [Member] | 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	54,000		182,000
SBA [Member] | Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	996,000		443,000
SBA [Member] | Financial Asset Not Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Not Past Due	282,074,000		289,909,000
SBA - Paycheck Protection Program (PPP) [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		0
Loans Not Past Due	3,233,000		9,087,000
Nonaccrual	0	[1]	0	[2],[3]
Nonaccrual with No Allowance for Credit Losses			0
Loans Past Due Over 89 Days Still Accruing	0		0
Total gross loans	3,233,000		9,087,000
SBA - Paycheck Protection Program (PPP) [Member] | 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		0
SBA - Paycheck Protection Program (PPP) [Member] | 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		0
SBA - Paycheck Protection Program (PPP) [Member] | Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		0
SBA - Paycheck Protection Program (PPP) [Member] | Financial Asset Not Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Not Past Due	3,233,000		9,087,000
Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	4,398,000		1,318,000
Nonaccrual	4,672,000	[1]	1,320,000	[2],[3]
Nonaccrual with No Allowance for Credit Losses	(939,000)		771,000
Loans Past Due Over 89 Days Still Accruing	0		0
Total gross loans	938,064,000		948,683,000
Commercial and Industrial [Member] | 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		0
Commercial and Industrial [Member] | 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	2,487,000		0
Commercial and Industrial [Member] | Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	1,911,000		1,318,000
Commercial and Industrial [Member] | Financial Asset Not Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Not Past Due	933,666,000		947,365,000
Dairy & Livestock and Agribusiness [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	131,000		0
Nonaccrual	243,000	[1]	477,000	[2],[3]
Nonaccrual with No Allowance for Credit Losses	(131,000)		364,000
Loans Past Due Over 89 Days Still Accruing	0		0
Total gross loans	351,463,000		433,564,000
Dairy & Livestock and Agribusiness [Member] | 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		0
Dairy & Livestock and Agribusiness [Member] | 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	95,000		0
Dairy & Livestock and Agribusiness [Member] | Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	36,000		269,000
Dairy & Livestock and Agribusiness [Member] | Financial Asset Not Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Not Past Due	351,332,000		433,295,000
Municipal Lease Finance Receivables [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		0
Loans Not Past Due	75,621,000		81,126,000
Nonaccrual	0	[1]	0	[2],[3]
Nonaccrual with No Allowance for Credit Losses			0
Loans Past Due Over 89 Days Still Accruing	0		0
Total gross loans	75,621,000		81,126,000
Municipal Lease Finance Receivables [Member] | 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		0
Municipal Lease Finance Receivables [Member] | 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		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		0
Municipal Lease Finance Receivables [Member] | Financial Asset Not Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Not Past Due	75,621,000		81,126,000
SFR Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		388,000
Nonaccrual	339,000	[1]	0	[2],[3]
Nonaccrual with No Allowance for Credit Losses	(339,000)		0
Loans Past Due Over 89 Days Still Accruing	0		0
Total gross loans	268,171,000		266,024,000
SFR Mortgage [Member] | 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		0
SFR Mortgage [Member] | 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		388,000
SFR Mortgage [Member] | Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		0
SFR Mortgage [Member] | Financial Asset Not Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Not Past Due	268,171,000		265,636,000
Consumer and Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	4,000		208,000
Nonaccrual	4,000	[1]	33,000	[2],[3]
Nonaccrual with No Allowance for Credit Losses			34,000
Loans Past Due Over 89 Days Still Accruing	0		0
Total gross loans	51,875,000		76,781,000
Consumer and Other Loans [Member] | 30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	4,000		175,000
Consumer and Other Loans [Member] | 60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		0
Consumer and Other Loans [Member] | Greater than 89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Past Due	0		33,000
Consumer and Other Loans [Member] | Financial Asset Not Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Not Past Due	$ 51,871,000		$ 76,573,000

[1] As of September 30, 2023, $742,000 of nonaccruing loans were current, $4,000 were 30-59 days past due, $2.6 million were 60-89 days past due, and $6.6 million were 90+ days past due.

[2] As of December 31, 2022, $228,000 of nonaccruing loans were current and $4.7 million were 90+ days past due.

[3] Excludes $221,000 of guaranteed portion of nonaccrual SBA loans that are in process of collection.

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

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

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

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

XML

Loans and Lease Finance Receivables and Allowance for Credit Losses - Schedule of Recorded Investment in, and Aging of, Past Due and Nonaccrual Loans, Including PCI Loans by Class of Loans (Parenthetical) (Detail) - USD ($)	Sep. 30, 2023		Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing loans, current	$ 742,000		$ 228,000
Nonaccrual	9,963,000	[1]	4,930,000	[2],[3]
Small Business Administration Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	1,050,000	[1]	443,000	[2],[3]
Small Business Administration Loans [Member] | Financial Guarantee [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans			221,000
30-59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	4,000
60-89 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing loans, current	2,600
90+ Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual	$ 6,600,000		$ 4,700,000

[1] As of September 30, 2023, $742,000 of nonaccruing loans were current, $4,000 were 30-59 days past due, $2.6 million were 60-89 days past due, and $6.6 million were 90+ days past due.

[2] As of December 31, 2022, $228,000 of nonaccruing loans were current and $4.7 million were 90+ days past due.

[3] Excludes $221,000 of guaranteed portion of nonaccrual SBA loans that are in process of collection.

XML

Loans and Lease Finance Receivables and Allowance for Credit Losses - Summary of Recorded Investment in Collateral-Dependent loans (Detail) $ in Thousands	Sep. 30, 2023 USD ($) Collateral	Dec. 31, 2022 USD ($) Collateral
Financing Receivable, Modifications [Line Items]
Real Estate	$ 5,355	$ 18,475
Business Assets	3,324	5,066
Other	$ 1,284	$ 289
Number of Loans Dependent on Collateral | Collateral	25	28
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Real Estate	$ 3,655	$ 17,935
Number of Loans Dependent on Collateral | Collateral	5	4
SBA [Member]
Financing Receivable, Modifications [Line Items]
Real Estate	$ 830	$ 151
Business Assets	$ 220	$ 292
Number of Loans Dependent on Collateral | Collateral	5	6
Commercial and Industrial [Member]
Financing Receivable, Modifications [Line Items]
Real Estate	$ 401	$ 87
Business Assets	3,104	2,774
Other	$ 1,167	$ 81
Number of Loans Dependent on Collateral | Collateral	10	13
Dairy & Livestock and Agribusiness [Member]
Financing Receivable, Modifications [Line Items]
Real Estate	$ 130	$ 269
Business Assets		2,000
Other	$ 113	$ 208
Number of Loans Dependent on Collateral | Collateral	3	4
SFR Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Real Estate	$ 339
Consumer and Other Loans [Member]
Financing Receivable, Modifications [Line Items]
Real Estate		$ 33
Other	$ 4
Number of Loans Dependent on Collateral | Collateral	1	1

XML

Loans and Lease Finance Receivables and Allowance for Credit Losses - Schedule of Financial Effect of the Loan Activity (Details)	9 Months Ended
	Sep. 30, 2023
Term Extension [Member] | Commercial Real Estate [Member]
Financing Receivable, Modified [Line Items]
Financing receivable, modified, weighted average term	1 year
Financing receivable, modified, weighted average term, description	Added a weighted-average 1.0 years to the life of loans, which reduced monthly payment amounts for the borrowers.
Term Extension [Member] | Dairy & Livestock and Agribusiness [Member]
Financing Receivable, Modified [Line Items]
Financing receivable, modified, weighted average term	6 months
Financing receivable, modified, weighted average term, description	Added a weighted-average 0.5 years to the life of loans, which reduced monthly payment amounts for the borrowers.
Combination-Term Extension and Interest Rate Reduction [Member] | Commercial Real Estate [Member]
Financing Receivable, Modified [Line Items]
Financing receivable, modified, weighted average term, description	Added a weighted-average 7.6 years to the life of loans, which reduced monthly payment amounts for the borrowers; reduced weighted-average contractual interest rate from 10% to 7.25%.
Combination-Term Extension and Interest Rate Reduction [Member] | Dairy & Livestock and Agribusiness [Member]
Financing Receivable, Modified [Line Items]
Financing receivable, modified, weighted average term	7 years 7 months 6 days

XML

Loans and Lease Finance Receivables and Allowance for Credit Losses - Schedule of Recorded Investments for Past Due Loans at Amortized Cost (Details) $ in Thousands	Sep. 30, 2023 USD ($)
Current [Member]
Financing Receivable, Modified [Line Items]
Total	$ 7,304
Current [Member] | Commercial Real Estate [Member]
Financing Receivable, Modified [Line Items]
Total	2,505
Current [Member] | Dairy & Livestock and Agribusiness [Member]
Financing Receivable, Modified [Line Items]
Total	4,799
30-89 Days Past Due [Member]
Financing Receivable, Modified [Line Items]
Total
30-89 Days Past Due [Member] | Commercial Real Estate [Member]
Financing Receivable, Modified [Line Items]
Total
30-89 Days Past Due [Member] | Dairy & Livestock and Agribusiness [Member]
Financing Receivable, Modified [Line Items]
Total
90+ Days Past Due [Member]
Financing Receivable, Modified [Line Items]
Total
90+ Days Past Due [Member] | Commercial Real Estate [Member]
Financing Receivable, Modified [Line Items]
Total
90+ Days Past Due [Member] | Dairy & Livestock and Agribusiness [Member]
Financing Receivable, Modified [Line Items]
Total

XML

Loans and Lease Finance Receivables and Allowance for Credit Losses - Summary of Amortized Cost of Loans Activity (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Term Extension [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	$ 6,614
Combination-Term Extension and Interest Rate Reduction [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	690
Commercial Real Estate [Member] | Term Extension [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	$ 1,815
Financing receivable, modified in period, to total financing receivables, percentage	0.02%
Commercial Real Estate [Member] | Combination-Term Extension and Interest Rate Reduction [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	$ 690
Financing receivable, modified in period, to total financing receivables, percentage	0.01%
Dairy & Livestock and Agribusiness [Member] | Term Extension [Member]
Financing Receivable, Modified [Line Items]
Amortized cost basis of financing receivable	$ 4,799
Financing receivable, modified in period, to total financing receivables, percentage	0.05%

XML

Borrowings (Additional Information) (Details) - USD ($) $ in Millions	6 Months Ended	9 Months Ended
	Jun. 30, 2023	Sep. 30, 2023
Debt Instrument [Line Items]
Unpledged AFS securities		$ 24.9
Home Loan Bank
Debt Instrument [Line Items]
Subordinated Borrowing, Interest Rate	5.00%	4.87%
Subordinated Debt		$ 870.0
Other Short-Term Borrowings	$ 800.0	250.0
Secured and unused capacity		4,700.0
Bank Term Funding Program
Debt Instrument [Line Items]
Secured unused borrowing capacity		1,200.0
Unsecured Lines of Credit		300.0
Bank Term Funding Program | Minimum [Member]
Debt Instrument [Line Items]
Unpledged AFS securities		$ 260.0

XML

Earnings Per Share Reconciliation - Additional Information (Detail) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Antidilutive securities excluded from computation of earnings per common share	1,096,000	66,000	1,100,000	247,000

XML

Earnings Per Share Reconciliation - Schedule of Earnings Per Common Share Reconciliation (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings per common share:
Net earnings	$ 57,887	$ 64,639	$ 172,927	$ 169,257
Less: Net earnings allocated to restricted stock	410	434	1,208	1,080
Net earnings allocated to common shareholders	$ 57,477	$ 64,205	$ 171,719	$ 168,177
Weighted average shares outstanding	138,345	138,888	138,361	139,923
Basic earnings per common share	$ 0.42	$ 0.46	$ 1.24	$ 1.2
Diluted earnings per common share:
Net income allocated to common shareholders	$ 57,477	$ 64,205	$ 171,719	$ 168,177
Weighted average shares outstanding	138,345	138,888	138,361	139,923
Incremental shares from assumed exercise of outstanding options	136	459	120	300
Diluted weighted average shares outstanding	138,481	139,347	138,481	140,223
Diluted earnings per common share	$ 0.42	$ 0.46	$ 1.24	$ 1.2

XML

Fair Value Information - Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale	$ 2,873,163	$ 3,255,211
Interest rate swaps	269,552	565,513
Municipal Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale	23,813	25,687
Interest Rate Swaps [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	0	0
Interest Rate Swaps [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	0
Interest Rate Swaps [Member] | Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	0	0
Interest rate swaps	0	82
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale	2,873,163	3,255,211
Interest rate swaps	0	82
Interest rate swaps	0	82
Carrying Value [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	24,868
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	2,898,031	3,255,293
Total liabilities	0	82
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 available-for-sale	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 available-for-sale	23,813	25,687
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 available-for-sale	0	0
Fair Value on Recurring Basis [Member] | Government agency/GSE [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale	0
Fair Value on Recurring Basis [Member] | Government agency/GSE [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale	34,109
Fair Value on Recurring Basis [Member] | Government agency/GSE [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale	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 available-for-sale	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 available-for-sale	2,436,624	2,789,141
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 available-for-sale	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 available-for-sale	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 available-for-sale	377,498	439,303
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 available-for-sale	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 available-for-sale	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 available-for-sale	1,119	1,080
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 available-for-sale	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 available-for-sale	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 available-for-sale	2,873,163	3,255,211
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 available-for-sale	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		0
Interest rate swaps	0	0
Fair Value on Recurring Basis [Member] | Interest Rate Swaps [Member] | Level 1 [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	0
Fair Value on Recurring Basis [Member] | Interest Rate Swaps [Member] | Level 1 [Member] | Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	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		82
Interest rate swaps	0	82
Fair Value on Recurring Basis [Member] | Interest Rate Swaps [Member] | Level 2 [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	24,868
Fair Value on Recurring Basis [Member] | Interest Rate Swaps [Member] | Level 2 [Member] | Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	0
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		0
Interest rate swaps	0	0
Fair Value on Recurring Basis [Member] | Interest Rate Swaps [Member] | Level 3 [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	0
Fair Value on Recurring Basis [Member] | Interest Rate Swaps [Member] | Level 3 [Member] | Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	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	2,898,031	3,255,293
Total liabilities	0	82
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 available-for-sale	23,813	25,687
Fair Value on Recurring Basis [Member] | Carrying Value [Member] | Government agency/GSE [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment securities available-for-sale	34,109
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 available-for-sale	2,436,624	2,789,141
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 available-for-sale	377,498	439,303
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 available-for-sale	1,119	1,080
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 available-for-sale	2,873,163	3,255,211
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		82
Interest rate swaps	0	$ 82
Fair Value on Recurring Basis [Member] | Carrying Value [Member] | Interest Rate Swaps [Member] | Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	24,868
Fair Value on Recurring Basis [Member] | Carrying Value [Member] | Interest Rate Swaps [Member] | Not Designated as Hedging Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	$ 0

XML

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	Sep. 30, 2023	Dec. 31, 2022
Description of assets
Total assets	$ 3,382	$ 626
Loans, Excluding PCI Loans [Member]
Description of assets
Total assets	0
Loans, Excluding PCI Loans [Member] | Asset Held-for-Sale [Member]
Description of assets
Total assets	0	0
Loans, Excluding PCI Loans [Member] | Commercial Real Estate [Member]
Description of assets
Total assets	8	1
Loans, Excluding PCI Loans [Member] | Construction [Member]
Description of assets
Total assets	0	0
Loans, Excluding PCI Loans [Member] | SBA [Member]
Description of assets
Total assets	217	182
Loans, Excluding PCI Loans [Member] | Small Business Administration Loans - PPP [Member]
Description of assets
Total assets		2
Loans, Excluding PCI Loans [Member] | Commercial and Industrial [Member]
Description of assets
Total assets	3,100	326
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	57	113
Loans, Excluding PCI Loans [Member] | Muncipal Lease Finance Receivables [Member]
Description of assets
Total assets	0	0
Loans, Excluding PCI Loans [Member] | Consumer and Other Loans [Member]
Description of assets
Total assets	0	2
Loans, Excluding PCI Loans [Member] | Other Real Estate Owned [Member]
Description of assets
Total assets	0	0
Level 1 [Member]
Description of assets
Total assets	0	0
Level 1 [Member] | Loans, Excluding PCI Loans [Member]
Description of assets
Total assets	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 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] | SBA [Member]
Description of assets
Total assets	0	0
Level 1 [Member] | Loans, Excluding PCI Loans [Member] | Small Business Administration Loans - PPP [Member]
Description of assets
Total assets		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] | 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] | Muncipal Lease Finance Receivables [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]
Description of assets
Total assets	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 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] | SBA [Member]
Description of assets
Total assets	0	0
Level 2 [Member] | Loans, Excluding PCI Loans [Member] | Small Business Administration Loans - PPP [Member]
Description of assets
Total assets		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] | 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] | Muncipal Lease Finance Receivables [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	11,396	3,526
Level 3 [Member] | Loans, Excluding PCI Loans [Member]
Description of assets
Total assets	0
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 Real Estate [Member]
Description of assets
Total assets	2,813	2,639
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] | SBA [Member]
Description of assets
Total assets	209	323
Level 3 [Member] | Loans, Excluding PCI Loans [Member] | Small Business Administration Loans - PPP [Member]
Description of assets
Total assets		0
Level 3 [Member] | Loans, Excluding PCI Loans [Member] | Commercial and Industrial [Member]
Description of assets
Total assets	3,575	451
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	4,799	113
Level 3 [Member] | Loans, Excluding PCI Loans [Member] | Muncipal Lease Finance Receivables [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	0
Carrying Value [Member]
Description of assets
Total assets	11,396	3,526
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 Real Estate [Member]
Description of assets
Total assets	2,813	2,639
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] | SBA [Member]
Description of assets
Total assets	209	323
Carrying Value [Member] | Loans, Excluding PCI Loans [Member] | Small Business Administration Loans - PPP [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	3,575	451
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	4,799	113
Carrying Value [Member] | Loans, Excluding PCI Loans [Member] | Muncipal Lease Finance Receivables [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	$ 0

XML

Fair Value Information - Estimated Fair Value of Financial Instruments (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets
Cash and cash equivalents	$ 240,695	$ 203,461
Investment securities available-for-sale	2,873,163	3,255,211
Investment securities held-to-maturity	2,489,441	2,554,301
Total loans, net of allowance for credit losses	8,788,637	8,994,275
Deposits:
Interest-bearing	4,772,137	4,671,881
Interest rate swaps	269,552	565,513
Carrying Value [Member]
Assets
Cash and cash equivalents	240,695	203,461
Interest-earning balances due from depository institutions	4,108	9,553
Investment securities available-for-sale	2,873,163	3,255,211
Investment securities held-to-maturity	2,489,441	2,554,301
Total loans, net of allowance for credit losses	8,788,637	8,994,275
Interest rate swaps	0	82
Deposits:
Interest-bearing	4,772,137	4,671,881
Borrowings	1,389,552	1,560,431
Junior subordinated debentures	0	0
Interest rate swaps	0	82
Carrying Value [Member] | Designated As Hedging Instrument [Member]
Assets
Interest rate swaps	24,868
Estimated Fair Value [Member]
Assets
Cash and cash equivalents	240,695	203,461
Interest-earning balances due from depository institutions	4,108	9,553
Investment securities available-for-sale	2,873,163	3,255,211
Investment securities held-to-maturity	1,969,318	2,155,587
Total loans, net of allowance for credit losses	7,961,394	8,074,952
Interest rate swaps	0	82
Deposits:
Interest-bearing	4,766,447	4,664,657
Borrowings	1,322,699	1,444,659
Junior subordinated debentures	0	0
Interest rate swaps	0	82
Estimated Fair Value [Member] | Designated As Hedging Instrument [Member]
Assets
Interest rate swaps	24,868
Estimated Fair Value [Member] | Level 1 [Member]
Assets
Cash and cash equivalents	240,695	203,461
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 credit losses	0	0
Interest rate swaps	0	0
Deposits:
Interest-bearing	0	0
Borrowings	0	0
Junior subordinated debentures	0	0
Interest rate swaps	0	0
Estimated Fair Value [Member] | Level 1 [Member] | Designated As Hedging Instrument [Member]
Assets
Interest rate swaps	0
Estimated Fair Value [Member] | Level 2 [Member]
Assets
Cash and cash equivalents	0	0
Interest-earning balances due from depository institutions	4,108	9,553
Investment securities available-for-sale	2,873,163	3,255,211
Investment securities held-to-maturity	1,969,318	2,155,587
Total loans, net of allowance for credit losses	0	0
Interest rate swaps	0	82
Deposits:
Interest-bearing	4,766,447	4,664,657
Borrowings	1,322,699	1,444,659
Junior subordinated debentures	0	0
Interest rate swaps	0	82
Estimated Fair Value [Member] | Level 2 [Member] | Designated As Hedging Instrument [Member]
Assets
Interest rate swaps	24,868
Estimated Fair Value [Member] | Level 3 [Member]
Assets
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 credit losses	7,961,394	8,074,952
Interest rate swaps	0	0
Deposits:
Interest-bearing	0	0
Borrowings	0	0
Junior subordinated debentures	0	0
Interest rate swaps	0	$ 0
Estimated Fair Value [Member] | Level 3 [Member] | Designated As Hedging Instrument [Member]
Assets
Interest rate swaps	$ 0

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Derivative Financial Instruments - Additional Information (Detail)	9 Months Ended
	Sep. 30, 2023 USD ($) Agreement	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Derivative assets and liabilities offset in balance sheet	$ 0
Total notional amount of the Company's swaps	$ 409,800,000		$ 425,600,000
Description of Conditions Relating to Clearing of Interest rate Swaps	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
Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Total notional amount of the Company's swaps		$ 1,000,000,000
Weighted average fixed rate		3.80%
Derivative, Notional Amount	$ 24,900
Interest-rate Swap Agreements with Customers [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Number of interest-rate swap agreements | Agreement	123
Total notional amount of the Company's swaps	$ 409,800,000

XML

Derivative Financial Instruments - Fair Value of Derivative Instruments (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Other Assets [Member] | Derivatives Not Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives		$ 82
Other Assets [Member] | Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives		82
Other Assets [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives	24,868
Other Assets [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives	24,868
Other Liabilities [Member] | Derivatives Not Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives	0	82
Other Liabilities [Member] | Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives	0	$ 82
Other Liabilities [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives	0
Other Liabilities [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives	$ 0

XML

Derivative Financial Instruments - Effect of Derivative Instruments on Consolidated Statement of Earnings (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Amount of Gain Recognized in Income on Derivative Instruments	$ 9,708		$ 17,554
Derivative, Gain, Statement of Income or Comprehensive Income [Extensible Enumeration]	Comprehensive Income (Loss), Net of Tax, Attributable to Parent	Comprehensive Income (Loss), Net of Tax, Attributable to Parent	Comprehensive Income (Loss), Net of Tax, Attributable to Parent	Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Derivatives Not Designated as Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Amount of Gain Recognized in Income on Derivative Instruments	$ 0	$ 0	$ 0	$ 0
Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Amount of Gain Recognized in Income on Derivative Instruments	$ 0	$ 0	$ 0	$ 0
Derivative, Gain, Statement of Income or Comprehensive Income [Extensible Enumeration]	Comprehensive Income (Loss), Net of Tax, Attributable to Parent	Comprehensive Income (Loss), Net of Tax, Attributable to Parent	Comprehensive Income (Loss), Net of Tax, Attributable to Parent	Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Amount of Gain Recognized in Income on Derivative Instruments	$ 3,790		$ 4,236
Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member]
Derivatives, Fair Value [Line Items]
Amount of Gain Recognized in Income on Derivative Instruments	$ 3,790		$ 4,236

XML

Other Comprehensive Income - Summary of Components of OCI (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Equity [Abstract]
Net change in fair value recorded in accumulated OCI, Before-tax	$ (130,768)	$ (194,111)	$ (128,340)	$ (539,066)
Net change in fair value recorded in accumulated OCI, Tax effect	38,660	57,386	37,942	159,367
Net change in fair value recorded in accumulated OCI, After-tax	(92,108)	(136,725)	(90,398)	(379,699)
Amortization of unrealized losses on securities transferred from available-for-sale to held-to-maturity, Before-tax	(3,096)	95	714	242
Amortization of unrealized gains (losses) on securities transferred from available-for-sale to held-to-maturity, Tax effect	3,234	(28)	(212)	(72)
Amortization of unrealized losses on securities transferred from available-for-sale to held-to-maturity, After-tax	138	67	502	170
Net change in fair value recorded in accumulated OCI Before tax	13,739	0	24,868	0
Net change in fair value recorded in accumulated OCI, Tax effect	(4,031)	0	(7,314)	0
Net change in fair value recorded in accumulated OCI, After tax	9,708	0	17,554	0
Net change, Before-tax	(120,125)	(194,016)	(102,758)	(538,825)
Net change, Tax effect	37,863	57,358	30,416	159,296
Net change, After-tax	$ (82,262)	$ (136,658)	$ (72,342)	$ (379,529)

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Balance Sheet Offsetting (Additional Information) (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Sep. 30, 2023	Dec. 31, 2022
Offsetting Assets Liabilities [Line Items]
Derivative Asset, Notional Amount		$ 409.8	$ 425.6
Interest Rate Swap [Member]
Offsetting Assets Liabilities [Line Items]
Derivative Asset, Notional Amount	$ 1,000.0
Derivative, Average Remaining Maturity	4 years
Derivative, Remaining Maturity	5 years
Derivative, Average Swaption Interest Rate	3.80%
Derivative, Notional Amount		$ 24.9

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Balance Sheet Offsetting - Schedule of Balance Sheet Offsetting (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Offsetting Assets Liabilities [Line Items]
Financial liabilities, Gross Amounts Recognized in the Condensed Consolidated Balance Sheets	$ 329,668	$ 619,427
Financial liabilities, Gross Amounts Offset in the Condensed Consolidated Balance Sheets	(60,116)	(53,914)
Financial liabilities, Net Amounts of Assets Presented in the Condensed Consolidated Balance Sheets	269,552	565,513
Financial liabilities, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Financial Instruments	60,116	53,914
Financial liabilities, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Collateral Pledged	374,995	(652,333)
Financial liabilities, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Net Amount	(704,663)	(32,906)
Repurchase Agreements [Member]
Offsetting Assets Liabilities [Line Items]
Financial liabilities, Gross Amounts Recognized in the Condensed Consolidated Balance Sheets	269,552	565,431
Financial liabilities, Gross Amounts Offset in the Condensed Consolidated Balance Sheets	0	0
Financial liabilities, Net Amounts of Assets Presented in the Condensed Consolidated Balance Sheets	269,552	565,431
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	382,531	(634,075)
Financial liabilities, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Net Amount	652,083	(68,644)
Interest Rate Swaps [Member]
Offsetting Assets Liabilities [Line Items]
Financial assets, Gross Amounts Recognized in the Condensed Consolidated Balance Sheets	24,868	82
Financial assets, Gross Amounts Offset in the Condensed Consolidated Balance Sheets	0	0
Financial assets, Net Amounts of Assets Presented in the Condensed Consolidated Balance Sheets	0	0
Financial assets, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Financial Instruments	24,868	82
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	24,868	82
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	0	82
Financial assets, Gross Amounts Offset in the Condensed Consolidated Balance Sheets	0	0
Financial assets, Net Amounts of Assets Presented in the Condensed Consolidated Balance Sheets	0	0
Financial assets, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Financial Instruments	0	82
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	0	82
Financial liabilities, Gross Amounts Recognized in the Condensed Consolidated Balance Sheets	60,116	53,996
Financial liabilities, Gross Amounts Offset in the Condensed Consolidated Balance Sheets	(60,116)	(53,914)
Financial liabilities, Net Amounts of Assets Presented in the Condensed Consolidated Balance Sheets	0	82
Financial liabilities, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Financial Instruments	60,116	53,914
Financial liabilities, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Collateral Pledged	(7,536)	(18,258)
Financial liabilities, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Net Amount	52,580	$ 35,738
Interest Rate Swaps [Member] | Designated as Hedging Instrument [Member]
Offsetting Assets Liabilities [Line Items]
Financial assets, Gross Amounts Recognized in the Condensed Consolidated Balance Sheets	24,868
Financial assets, Gross Amounts Offset in the Condensed Consolidated Balance Sheets	0
Financial assets, Net Amounts of Assets Presented in the Condensed Consolidated Balance Sheets	0
Financial assets, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Financial Instruments	24,868
Financial assets, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Collateral Pledged	0
Financial assets, Gross Amounts Not Offset in the Condensed Consolidated Balance Sheets, Net Amount	$ 24,868

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Leases - Components of lease costs and supplemental information related to leases (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Lease Assets and Liabilities
ROU assets		$ 23,025		$ 23,025		$ 22,696
Total lease liabilities		25,199		25,199		$ 24,458
Lease Cost
Operating lease expense	[1]	1,832	$ 1,846	5,513	$ 5,541
Sublease income		0	0	0	0
Total lease expense		1,832	1,846	5,513	5,541
Other Information
Operating cash outflows from operating leases, net		$ 1,682	$ 1,882	$ 4,951	$ 5,593
Lease Term and Discount Rate
Weighted average remaining lease term (years)		4 years 1 month 13 days		4 years 1 month 13 days		4 years 1 month 13 days
Weighted average discount rate		3.43%		3.43%		2.80%

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

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Leases - Future lease payments required for leases that have initial or remaining non-cancelable lease terms (Detail) $ in Thousands	Sep. 30, 2023 USD ($)
2023 (excluding the nine months ended September 30, 2023)	$ 1,691
2024	7,196
2025	6,578
2026	5,313
2027	3,822
Thereafter	2,613
Total future lease payments	27,213
Less: Imputed interest	(2,014)
Present value of lease liabilities	$ 25,199

XML

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		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Noninterest income:
Other	$ 4,099	$ 1,127	$ 9,393	$ 5,490
Total noninterest income	14,309	11,590	40,167	37,524
Service Charges on Deposit Accounts [Member]
Noninterest income:
Revenue from contract with customer	5,062	5,233	15,244	15,625
Trust and Investment Services [Member]
Noninterest income:
Revenue from contract with customer	3,246	2,867	9,475	8,651
Bankcard Services [Member]
Noninterest income:
Revenue from contract with customer	354	376	1,221	1,102
Accounting Standards Update 2014-09 [Member]
Noninterest income:
Gain/(loss) on sale of other investments	2,575		2,575
Other	1,524	1,127	6,818	8,207
Total noninterest income	12,761	9,603	35,333	33,585
Accounting Standards Update 2014-09 [Member] | Service Charges on Deposit Accounts [Member]
Noninterest income:
Revenue from contract with customer	5,062	5,233	15,244	15,625
Accounting Standards Update 2014-09 [Member] | Trust and Investment Services [Member]
Noninterest income:
Revenue from contract with customer	3,246	2,867	9,475	8,651
Accounting Standards Update 2014-09 [Member] | Bankcard Services [Member]
Noninterest income:
Revenue from contract with customer	354	376	1,221	1,102
Accounting Standards Update 2014-09 Not Adopted [Member]
Noninterest income:
Total noninterest income	$ 1,548	$ 1,987	$ 4,834	$ 3,939