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 001-31830

CATHAY GENERAL BANCORP

(Exact name of registrant as specified in its charter)

Delaware	95-4274680
(State of other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

777 North Broadway, Los Angeles, California	90012
(Address of principal executive offices)	Zip Code)

Registrant's telephone number, including area code: (213) 625-4700

(Former name, former address and former fiscal year, if changed since last report)

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

Title of each class	Trading Symbol	Name of each exchange on which registered
Common Stock	CATY	Nasdaq Global Select Market

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 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, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.  

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 ☒

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date.

Common stock, $.01 par value, 72,648,863 shares outstanding as of October 31, 2023.

    CATHAY GENERAL BANCORP AND SUBSIDIARIES

3RD QUARTER 2023 REPORT ON FORM 10-Q

TABLE OF CONTENTS

PART I – FINANCIAL INFORMATION		3
Item 1.	FINANCIAL STATEMENTS (Unaudited)	3
	NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)	8
Item 2.	MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS	45
Item 3.	QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	67
Item 4.	CONTROLS AND PROCEDURES	68
PART II – OTHER INFORMATION		69
Item 1.	LEGAL PROCEEDINGS	69
Item 1A.	RISK FACTORS	69
Item 2.	UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS	69
Item 3.	DEFAULTS UPON SENIOR SECURITIES	70
Item 4.	MINE SAFETY DISCLOSURES	70
Item 5.	OTHER INFORMATION	70
Item 6.	EXHIBITS	70
SIGNATURES		72

Forward-Looking Statements

In this Quarterly Report on Form 10-Q, the term “Bancorp” refers to Cathay General Bancorp and the term “Bank” refers to Cathay Bank. The terms “Company,” “we,” “us,” and “our” refer to Bancorp and the Bank collectively.

The statements in this report include forward-looking statements within the meaning of the applicable provisions of the Private Securities Litigation Reform Act of 1995 regarding management’s beliefs, projections, and assumptions concerning future results and events. We intend such forward-looking statements to be covered by the safe harbor provision for forward-looking statements in these provisions. All statements other than statements of historical fact are “forward-looking statements” for purposes of federal and state securities laws, including statements about anticipated future operating and financial performance, financial position and liquidity, growth opportunities and growth rates, growth plans, acquisition and divestiture opportunities, business prospects, strategic alternatives, business strategies, financial expectations, regulatory and competitive outlook, loan and deposit growth, investment and expenditure plans, financing needs and availability, level of nonperforming assets, and other similar forecasts and statements of expectation and statements of assumptions underlying any of the foregoing. Words such as “aims,” “anticipates,” “believes,” “can,” “continue,” “could,” “estimates,” “expects,” “hopes,” “intends,” “may,” “optimistic,” “plans,” “potential,” “possible,” “predicts,” “projects,” “seeks,” “shall,” “should,” “will,” and variations of these words and similar expressions are intended to identify these forward-looking statements. Forward-looking statements by us are based on estimates, beliefs, projections, and assumptions of management and are not guarantees of future performance. These forward-looking statements are subject to certain risks, uncertainties and other factors that could cause actual results to differ materially from our historical experience and our present expectations or projections. Such risks, uncertainties and other factors include, but are not limited to:

● local, regional, national and international economic and market conditions and events and the impact they may have on us, our clients and our operations, assets and liabilities;

● possible additional provisions for loan losses and charge-offs;

● credit risks of lending activities and deterioration in asset or credit quality;

● extensive laws and regulations and supervision that we are subject to, including potential supervisory action by bank supervisory authorities;

● increased costs of compliance and other risks associated with changes in regulation;

● higher capital requirements from the implementation of the Basel III capital standards;

● compliance with the Bank Secrecy Act and other money laundering statutes and regulations;

● potential goodwill impairment;

● liquidity risk;

● fluctuations in interest rates;

● risks associated with acquisitions and the expansion of our business into new markets;

● inflation and deflation;

● real estate market conditions and the value of real estate collateral;

● environmental liabilities;

● our ability to generate anticipated returns from our investments and/or financings in certain tax advantaged-projects;

● our ability to compete with larger competitors;

● our ability to retain key personnel;

● successful management of reputational risk;

● natural disasters, public health crises (including the occurrence of a contagious disease or illness) and geopolitical events;

1

● failures, interruptions, or security breaches of our information systems;

● our ability to adapt our systems to the expanding use of technology in banking;

● risk management processes and strategies;

● adverse results in legal proceedings;

● the impact of regulatory enforcement actions, if any;

● certain provisions in our charter and bylaws that may affect acquisition of the Company;

● changes in accounting standards or tax laws and regulations;

● market disruption and volatility;

● fluctuations in the Bancorp’s stock price;

● restrictions on dividends and other distributions by laws and regulations and by our regulators and our capital structure;

● issuances of preferred stock;

● capital level requirements and sucessfully raising additional capital, if needed, and the resulting dilution of interests of holders of Bancorp common stock; and

● the soundness of other financial institutions.

These and other factors are further described in Bancorp’s Annual Report on Form 10-K for the year ended December 31, 2022 (Item 1A in particular), other reports and registration statements filed with the Securities and Exchange Commission (“SEC”), and other filings Bancorp makes with the SEC from time to time. Actual results in any future period may also vary from the past results discussed in this report. Given these risks and uncertainties, readers are cautioned not to place undue reliance on any forward-looking statements. We have no intention and undertake no obligation to update any forward-looking statement or to announce publicly any revision of any forward-looking statement to reflect developments, events, occurrences or circumstances after the date of such statement, except as required by law.

Bancorp’s filings with the SEC are available at the website maintained by the SEC at http://www.sec.gov, or by request directed to Cathay General Bancorp, 9650 Flair Drive, El Monte, California 91731, Attention: Investor Relations (626) 279-3296.

2

   PART I – FINANCIAL INFORMATION

Item 1. FINANCIAL STATEMENTS (Unaudited)

CATHAY GENERAL BANCORP AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

(Unaudited)

	September 30, 2023			December 31, 2022
	(In thousands, except share data)
Assets
Cash and due from banks	$	145,580		$	195,440
Short-term investments and interest-bearing deposits		1,017,354			966,962
Securities available-for-sale (amortized cost of $1,684,951 at September 30, 2023 and $1,622,173 at December 31, 2022)		1,508,798			1,473,348
Loans		19,023,822			18,254,024
Less: Allowance for loan losses		(154,619	)		(146,485	)
Unamortized deferred loan fees, net		(9,521	)		(6,641	)
Loans, net		18,859,682			18,100,898
Equity securities		31,456			22,158
Federal Home Loan Bank stock		17,250			17,250
Other real estate owned, net		14,407			4,067
Affordable housing investments and alternative energy partnerships, net		332,903			327,128
Premises and equipment, net		91,033			94,776
Customers’ liability on acceptances		16,900			2,372
Accrued interest receivable		90,875			82,428
Goodwill		375,696			375,696
Other intangible assets, net		4,725			5,757
Right-of-use assets - operating leases		30,586			29,627
Other assets		307,284			250,069
Total assets	$	22,844,529		$	21,947,976
Liabilities and Stockholders’ Equity
Deposits:
Non-interest-bearing demand deposits	$	3,623,483		$	4,168,989
Interest-bearing deposits:
NOW deposits		2,454,878			2,509,736
Money market deposits		3,222,612			3,812,724
Savings deposits		1,131,352			1,000,460
Time deposits		9,203,263			7,013,370
Total deposits		19,635,588			18,505,279
Advances from the Federal Home Loan Bank		15,000			485,000
Other borrowings of affordable housing investments		22,374			22,600
Long-term debt		119,136			119,136
Acceptances outstanding		16,900			2,372
Lease liabilities - operating leases		32,962			32,518
Other liabilities		363,833			307,031
Total liabilities		20,205,793			19,473,936
Commitments and contingencies		—			—
Stockholders’ Equity
Common stock, $0.01 par value, 100,000,000 shares authorized; 91,310,545 issued and 72,586,992 outstanding at September 30, 2023, and 91,090,614 issued and 72,742,151 outstanding at December 31, 2022		913			911
Additional paid-in-capital		986,074			981,119
Accumulated other comprehensive loss, net		(123,533	)		(102,295	)
Retained earnings		2,442,516			2,244,856
Treasury stock, at cost (18,723,553 shares at September 30, 2023, and 18,348,463 shares at December 31, 2022)		(667,234	)		(650,551	)
Total equity		2,638,736			2,474,040
Total liabilities and equity	$	22,844,529		$	21,947,976

See accompanying Notes to Consolidated Financial Statements.

3

CATHAY GENERAL BANCORP AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF OPERATIONS AND

COMPREHENSIVE INCOME

(Unaudited)

	Three Months Ended September 30,						Nine Months Ended September 30,
	2023			2022			2023			2022
	(In thousands, except share and per share data)
Interest and Dividend Income
Loans receivable	$	293,108		$	211,541		$	827,765		$	558,657
Investment securities		12,698			7,483			36,832			18,059
Federal Home Loan Bank stock		355			258			957			774
Deposits with banks		17,307			6,732			43,405			10,003
Total interest and dividend income		323,468			226,014			908,959			587,493
Interest Expense
Time deposits		90,022			10,218			234,171			22,002
Other deposits		38,207			13,871			92,683			25,894
Advances from Federal Home Loan Bank		6,779			2,941			14,875			3,396
Long-term debt		1,726			1,455			4,721			4,318
Short-term debt		1,094			—			2,901			—
Total interest expense		137,828			28,485			349,351			55,610
Net interest income before provision for credit losses		185,640			197,529			559,608			531,883
Provision for credit losses		7,000			2,000			24,255			13,143
Net interest income after provision for credit losses		178,640			195,529			535,353			518,740
Non-Interest Income
Net (losses)/gains from equity securities		(6,218	)		(3,661	)		9,298			1,358
Securities losses, net		—			—			(3,000	)		—
Letters of credit commissions		1,738			1,609			4,972			4,767
Depository service fees		1,536			1,690			5,009			4,993
Wealth management fees		5,150			4,184			12,686			12,494
Other operating income		5,631			6,054			16,226			21,114
Total non-interest income		7,837			9,876			45,191			44,726
Non-Interest Expense
Salaries and employee benefits		38,774			34,677			114,048			107,453
Occupancy expense		5,851			5,975			16,883			17,150
Computer and equipment expense		4,387			3,509			12,899			9,762
Professional services expense		7,906			6,337			24,212			20,738
Data processing service expense		3,614			3,484			11,010			9,813
FDIC and regulatory assessments		3,063			2,003			9,230			5,999
Marketing expense		1,587			2,005			4,777			4,692
Other real estate owned expense		435			55			566			93
Amortization of investments in low income housing and alternative energy partnerships		23,157			11,949			60,497			27,471
Amortization of core deposit intangibles		250			250			1,059			724
Acquisition, integration and restructuring costs		—			59			—			4,086
Other operating expense		4,949			5,085			14,799			14,227
Total non-interest expense		93,973			75,388			269,980			222,208
Income before income tax expense		92,504			130,017			310,564			341,258
Income tax expense		10,133			30,982			38,966			78,217
Net income	$	82,371		$	99,035		$	271,598		$	263,041
Other Comprehensive Income/(Loss), net of tax
Net holding losses on securities available-for-sale		(24,043	)		(43,191	)		(19,915	)		(115,612	)
Net holding (losses)/gains on cash flow hedge derivatives		(441	)		1,645			(1,323	)		5,803
Total other comprehensive loss, net of tax		(24,484	)		(41,546	)		(21,238	)		(109,809	)
Total other comprehensive income	$	57,887		$	57,489		$	250,360		$	153,232
Net Income Per Common Share:
Basic	$	1.14		$	1.34		$	3.74		$	3.52
Diluted	$	1.13		$	1.33		$	3.73		$	3.50
Cash dividends paid per common share	$	0.34		$	0.34		$	1.02		$	1.02
Average Common Shares Outstanding:
Basic		72,568,518			73,956,052			72,546,149			74,743,941
Diluted		72,890,414			74,242,052			72,847,907			75,068,232

See accompanying Notes to Consolidated Financial Statements.

4

CATHAY GENERAL BANCORP AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY

(Unaudited)

								Accumulated
	Common Stock				Additional			Other									Total
	Number of				Paid-in			Comprehensive			Retained			Treasury			Stockholders'
Three Months Ended	Shares		Amount		Capital			loss			Earnings			Stock			Equity
	(In thousands, except share data)
Balance at June 30, 2023		72,563,169	$	913	$	983,233		$	(99,049	)	$	2,384,817		$	(667,243	)	$	2,602,671
Dividend Reinvestment Plan		23,397		—		865			—			—			—			865
Restricted stock units vested		426		—		—			—			—			—			—
Shares withheld related to net share settlement of RSUs		—		—		(11	)		—			—			—			(11	)
Purchases of treasury stock		—		—		—			—			—			9			9
Stock-based compensation		—		—		1,987			—			—			—			1,987
Cash dividends of $0.34 per share		—		—		—			—			(24,672	)		—			(24,672	)
Other comprehensive loss		—		—		—			(24,484	)		—			—			(24,484	)
Net income		—		—		—			—			82,371			—			82,371
Balance at September 30, 2023		72,586,992	$	913	$	986,074		$	(123,533	)	$	2,442,516		$	(667,234	)	$	2,638,736

									Accumulated
	Common Stock					Additional			Other									Total
	Number of					Paid-in			Comprehensive			Retained			Treasury			Stockholders'
	Shares			Amount		Capital			Loss			Earnings			Stock			Equity
	(In thousands, except share data)
Balance at June 30, 2022		74,421,884		$	910	$	976,547		$	(71,328	)	$	2,098,122		$	(572,719	)	$	2,431,532
Dividend Reinvestment Plan		21,880			1		919			—			—			—			920
Restricted stock units vested		47,736			—		—			—			—			—			—
Shares withheld related to net share settlement of RSUs		—			—		(849	)		—			—			—			(849	)
Purchases of treasury stock		(1,079,540	)		—		—			—			—			(46,290	)		(46,290	)
Stock-based compensation		—			—		1,816			—			—			—			1,816
Cash dividends of $0.34 per share		—			—		—			—			(25,059	)		—			(25,059	)
Other comprehensive loss		—			—		—			(41,546	)		—			—			(41,546	)
Net income		—			—		—			—			99,035			—			99,035
Balance at September 30, 2022		73,411,960		$	911	$	978,433		$	(112,874	)	$	2,172,098		$	(619,009	)	$	2,419,559

See accompanying Notes to Consolidated Financial Statements.

5

CATHAY GENERAL BANCORP AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS’ EQUITY

(Unaudited)

									Accumulated
	Common Stock					Additional			Other									Total
	Number of					Paid-in			Comprehensive			Retained			Treasury			Stockholders'
Nine Months Ended	Shares			Amount		Capital			loss			Earnings			Stock			Equity
	(In thousands, except share data)
Balance at December 31, 2022		72,742,151		$	911	$	981,119		$	(102,295	)	$	2,244,856		$	(650,551	)	$	2,474,040
Dividend Reinvestment Plan		73,269			1		2,698			—			—			—			2,699
Restricted stock units vested		121,302			1		—			—			—			—			1
Stock issued to directors		25,360			—		850			—			—			—			850
Shares withheld related to net share settlement of RSUs		—			—		(3,538	)		—			—			—			(3,538	)
Purchases of treasury stock		(375,090	)		—		—			—			—			(16,683	)		(16,683	)
Stock-based compensation		—			—		4,945			—			—			—			4,945
Cash dividends of $1.02 per share		—			—		—			—			(73,938	)		—			(73,938	)
Other comprehensive loss		—			—		—			(21,238	)		—			—			(21,238	)
Net income		—			—		—			—			271,598			—			271,598
Balance at September 30, 2023		72,586,992		$	913	$	986,074		$	(123,533	)	$	2,442,516		$	(667,234	)	$	2,638,736

									Accumulated
	Common Stock					Additional			Other									Total
	Number of					Paid-in			Comprehensive			Retained			Treasury			Stockholders'
Nine Months Ended	Shares			Amount		Capital			loss			Earnings			Stock			Equity
	(In thousands, except share data)
Balance at December 31, 2021		75,750,862		$	909	$	972,474		$	(3,065	)	$	1,985,168		$	(509,235	)	$	2,446,251
Dividend Reinvestment Plan		65,142			1		2,791			—			—			—			2,792
Restricted stock units vested		110,641			1		—			—			—			—			1
Stock issued to directors		19,780			—		849			—			—			—			849
Shares withheld related to net share settlement of RSUs		—			—		(2,864	)		—			—			—			(2,864	)
Purchases of treasury stock		(2,534,465	)		—		—			—			—			(109,774	)		(109,774	)
Stock-based compensation		—			—		5,183			—			—			—			5,183
Cash dividends of $1.02 per share		—			—		—			—			(76,111	)		—			(76,111	)
Other comprehensive loss		—			—		—			(109,809	)		—			—			(109,809	)
Net income		—			—		—			—			263,041			—			263,041
Balance at September 30, 2022		73,411,960		$	911	$	978,433		$	(112,874	)	$	2,172,098		$	(619,009	)	$	2,419,559

See accompanying Notes to Consolidated Financial Statements.

6

CATHAY GENERAL BANCORP AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

	Nine Months Ended September 30,
	2023			2022
	(In thousands)
Cash Flows from Operating Activities
Net income	$	271,598		$	263,041
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses		24,255			13,143
Deferred tax benefit		(12,079	)		(713	)
Depreciation and amortization		6,402			6,847
Amortization of right-of-use asset		7,258			7,446
Change in operating lease liabilities		444			(3,216	)
Net gains on sale and transfer of other real estate owned		—			(6	)
Net gains on sale of loans		—			(1	)
Proceeds from sales of loans		—			33
Loss on sales or disposal of fixed assets		6			46
Amortization on alternative energy partnerships, venture capital and other investments		60,497			27,471
Net gain on sales of equity securities		(14	)		(101	)
Amortization/accretion of security premiums/discounts, net		(5,729	)		2,875
Unrealized gain on equity securities		(9,298	)		(1,257	)
Write-off of AFS debt securities		3,000			—
Stock-based compensation and stock issued to officers as compensation		5,795			6,032
Net change in accrued interest receivable and other assets		(61,019	)		(81,025	)
Net change in other liabilities		27,813			125,345
Net cash provided by operating activities		318,929			365,960
Cash Flows from Investing Activities
Purchase of investment securities available-for-sale		(472,303	)		(583,992	)
Proceeds from repayments, maturities and calls of investment securities available-for-sale		412,268			130,673
Proceeds from sale of equity securities		—			553
Benefits received from bank owned life insurance policies		—			4,013
Purchase of Federal Home Loan Bank stock		(21,550	)		(9,776	)
Redemption of Federal Home Loan Bank stock		21,550			9,776
Net increase in loans		(789,465	)		(1,122,519	)
Purchase of premises and equipment		(1,633	)		(3,093	)
Proceeds from sales of other real estate owned		—			307
Net increase in investment in affordable housing and alternative energy partnerships		(36,076	)		(107	)
Acquisition, net of cash acquired		—			(73,882	)
Net cash used for investing activities		(887,209	)		(1,648,047	)
Cash Flows from Financing Activities
Increase/(decrease) in deposits		1,130,271			(58,316	)
Net Advances from Federal Home Loan Bank		(470,000	)		340,000
Cash dividends paid		(73,938	)		(76,111	)
Purchases of treasury stock		(16,683	)		(109,774	)
Proceeds from shares issued under Dividend Reinvestment Plan		2,700			2,793
Taxes paid related to net share settlement of RSUs		(3,538	)		(2,864	)
Net cash provided by financing activities		568,812			95,728
Increase/(decrease) in cash, cash equivalents, and restricted cash		532			(1,186,359	)
Cash, cash equivalents, and restricted cash, beginning of the period		1,162,402			2,449,704
Cash, cash equivalents, and restricted cash, end of the period	$	1,162,934		$	1,263,345
Supplemental disclosure of cash flow information
Cash paid during the period:
Interest	$	336,722		$	52,147
Income taxes paid	$	60,332		$	59,981
Non-cash investing and financing activities:
Net change in unrealized holding loss on securities available-for-sale, net of tax	$	(19,915	)	$	(115,612	)
Net change in unrealized holding (loss)/gain on cash flow hedge derivatives	$	(1,323	)	$	5,803
Loans transferred from held-for-investment to held-for-sale	$	—		$	32
Transfers to other real estate owned from loans held-for-investment	$	6,264		$	—

See accompanying Notes to Consolidated Financial Statements.

7

CATHAY GENERAL BANCORP AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

1. Business

Cathay General Bancorp (“Bancorp”) is the holding company for Cathay Bank (the “Bank” and, together, with Bancorp, the “Company”), ten limited partnerships investing in affordable housing investments in which the Bank is the sole limited partner, and GBC Venture Capital, Inc. Bancorp also owns 100% of the common stock of five statutory business trusts created for the purpose of issuing capital securities. The Bank was founded in 1962 and offers a wide range of financial services. As of September 30, 2023, the Bank operates 24 branches in Southern California, 19 branches in Northern California, 9 branches in New York State, four in Washington State, two in Illinois, two in Texas, one in Maryland, Massachusetts, Nevada, and New Jersey, one in Hong Kong, and a representative office in Taipei, Beijing, and Shanghai. Deposit accounts at the Hong Kong branch are not insured by the Federal Deposit Insurance Corporation (the “FDIC”).

2. Business Combinations

The Company’s subsidiary bank, Cathay Bank completed the purchase of HSBC Bank USA, National Association’s West Coast mass retail market consumer banking business and retail business banking business on February 7, 2022. As a result of the acquisition, Cathay Bank added 10 retail branches in California and additional loans with a principal balance of $646.1 million and deposits with a balance of $575.2 million.

The assets and liabilities, both tangible and intangible, were recorded at their estimated fair values as of the February 7, 2022 acquisition date. The assets acquired and liabilities assumed have been accounted for under the acquisition method of accounting. We have included the financial results of the business combinations in the Consolidated Statements of Operations and Comprehensive Income beginning on the acquisition date. 

The fair value of the assets and the liabilities acquired as of February 7, 2022 are shown below:

	Balance Sheet
	(In thousands)
Assets:
Cash and cash equivalents	$	473
Loans		641,839
Right-of-use assets - operating leases		6,453
Core deposit intangible		3,138
Other		561
Total assets	$	652,464
Liabilities assumed:
Deposits	$	575,163
Lease liabilities		6,453
Total liabilities assumed	$	581,616
Net assets acquired	$	70,848
Total cash paid at closing	$	74,355
Goodwill	$	3,507

8

3. Basis of Presentation and Summary of Significant Accounting Policies

The accompanying unaudited Consolidated Financial Statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Operating results for the interim periods presented are not necessarily indicative of the results that may be expected for the year ending December 31, 2023. For further information, refer to the audited Consolidated Financial Statements and Notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022 filed with the SEC on February 28, 2023 (the “2022 Form 10-K”).

The preparation of the Consolidated Financial Statements in accordance with GAAP requires management of the Company 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 the Consolidated Financial Statements. Actual results could differ from those estimates. The Company expects that the most significant estimate subject to change is the allowance for loan losses.

Net income per common share previously reported for the third quarter of 2022 has been corrected.  The correction decreased basic and diluted net income per common share by $0.01 and $0.02, respectively.

Significant Accounting Policies Update

Loan Modifications to Borrowers Experiencing Financial Difficulties

Certain loans are modified in the normal course of business for competitive reasons or in conjunction with the Company’s loss mitigation activities. Upon the adoption of ASU 2022-02, the Company applies the general loan modification guidance to modifications made for borrowers experiencing financial difficulty. Under the general loan modification guidance, a modification is treated as a new loan only if the following two conditions are met: (1) the terms of the new loan are at least as favorable to the Company as the terms for comparable loans to other customers with similar collection risks; and (2) modifications to the terms of the original loan are more than minor. If either condition is not met, the modification is accounted for as the continuation of the existing loan with any effect of the modification treated as a prospective adjustment to the loan’s effective interest rate. A modification may vary by program and by borrower-specific characteristics, and may include rate reductions, term extensions, and payment delays, or any combination thereof, and is intended to minimize the company’s economic loss and to avoid foreclosure or repossession of collateral. For the Company’s accounting policy related to the loan modifications allowance for loan losses, see Note 9 Loans, to the Consolidated Financial Statements in this Form 10Q.

4. Recent Accounting Pronouncements

Accounting Standards Adopted in 2023

In March 2022, ASU 2022-02, “Financial Instruments - Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures.” ASU 2022-02 eliminates the accounting guidance for troubled debt restructurings in Accounting Standards Codification (“ASC”) 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. Additionally, ASU 2022-02 requires entities to disclose current-period gross write-offs by year of origination for financing receivables and net investments in leases within the scope of ASC Subtopic 326-20, Financial Instruments - Credit Losses - Measured at Amortized Cost. ASU 2022-02 was effective for us on January 1, 2023. As part of the adoption, the Company has elected to apply the pending content prospectively and the practical expedient to exclude the accrued interest receivable balance from the disclosed amortized cost basis of loan modifications to debtors experiencing financial difficulty, consistent with our ACL approach discussed further below in Note 9.

9

 

In March 2022, the FASB issued ASU 2022-01, “Derivatives and Hedging (Topic 815): Fair Value Hedging - Portfolio Layer Method.” Under prior guidance, entities can apply the last-of-layer hedging method to hedge the exposure of a closed portfolio of prepayable financial assets to fair value changes due to changes in interest rates for a portion of the portfolio that is not expected to be affected by prepayments, defaults, and other events affecting the timing and amount of cash flows. ASU 2022-01 expands the last-of-layer method, which permits only one hedge layer, to allow multiple hedged layers of a single closed portfolio. To reflect that expansion, the last-of-layer method is renamed the portfolio layer method. ASU 2022-01 also (i) expands the scope of the portfolio layer method to include non-prepayable financial assets, (ii) specifies eligible hedging instruments in a single-layer hedge, (iii) provides additional guidance on the accounting for and disclosure of hedge basis adjustments under the portfolio layer method and (iv) specifies how hedge basis adjustments should be considered when determining credit losses for the assets included in the closed portfolio. ASU 2022-01 is effective for the Company on January 1, 2023. The adoption of ASU 2022-01 did not have a significant impact on our financial statements.

Other Accounting Standards Pending Adoption

In March 2023, ASU 2023-02, “Investments-Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method". ASU 2023-02 permits reporting entities to elect to account for their tax equity investments, regardless of the tax credit program from which the income tax credits are received, using the proportional amortization method if certain conditions are met. ASU 2023-02 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2023. ASU 2023-02 is not expected to have a material impact on the Company’s consolidated financial statements.

In June 2022, ASU 2022-03, “Fair Value Measurement (Topic 820): Fair Value Measurement of Equity Securities Subject to Contractual Sale Restrictions.” ASU 2022-03 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, therefore, is not considered in measuring fair value. ASU 2022-03 also clarifies that an entity cannot, as a separate unit of account, recognize and measure a contractual sale restriction and requires certain new disclosures for equity securities subject to contractual sale restrictions. ASU 2022-03 will be effective for us on January 1, 2024 though early adoption is permitted. The adoption of ASU 2022-03 is not expected to have a significant impact on our financial statements.

5. Cash, Cash Equivalents and Restricted Cash

The Company manages its cash and cash equivalents based upon the Company’s operating, investment, and financing activities. Cash and cash equivalents, for the purposes of reporting cash flows, consist of cash and due from banks, short-term investments, and interest-bearing deposits. Cash and due from banks include cash on hand, cash items in transit, cash due from the Federal Reserve Bank of San Francisco (“FRBSF”) and other financial institutions. Short-term investments and interest-bearing deposits include cash placed with other banks with original maturity of three months or less.

The Company had average excess balance with FRBSF of $1.10 billion as of September 30, 2023 and $1.24 billion for the year ended December 31, 2022. As of September 30, 2023 and December 31, 2022, the Company had $84.9 million and $88.9 million, respectively, as cash margin that serves as collateral on deposit in a cash margin account for interest rate swaps of which $4.4 million and $8.2 million is restricted. As of September 30, 2023 and December 31, 2022, the Company held $24.6 million and $25.4 million, respectively, in a restricted escrow account with a major bank for its alternative energy investments.

10

6. Earnings per Share

Basic earnings per share excludes dilution and is computed by dividing net income available to common stockholders by the weighted-average number of common shares outstanding for the period. Diluted earnings per common share reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock and resulted in the issuance of common stock that then shared in earnings. Restricted stock units (“RSUs”) with anti-dilutive effect were not included in the computation of diluted earnings per share. The following table sets forth earnings per common share calculations:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(In thousands, except share and per share data)
Net income	$	82,371	$	99,035	$	271,598	$	263,041
Weighted-average shares:
Basic weighted-average number of common shares outstanding		72,568,518		73,956,052		72,546,149		74,743,941
Dilutive effect of weighted-average outstanding common share equivalents:
RSUs		321,896		286,000		301,758		324,291
Diluted weighted-average number of common shares outstanding		72,890,414		74,242,052		72,847,907		75,068,232
Average restricted stock units with anti-dilutive effect		—		13,534		2,098		48,073
Earnings per common share:
Basic	$	1.14	$	1.34	$	3.74	$	3.52
Diluted	$	1.13	$	1.33	$	3.73	$	3.50

11

 

7. Stock-Based Compensation

Pursuant to the Company’s 2005 Incentive Plan, as amended and restated, the Company may grant incentive stock options (employees only), non-statutory stock options, common stock awards, restricted stock, RSUs, stock appreciation rights and cash awards to non-employee directors and eligible employees.

RSUs are generally granted at no cost to the recipient. RSUs generally vest ratably over three years or cliff vest after one or three years of continued employment from the date of the grant. While a portion of RSUs may be time-vesting awards, others may vest subject to the attainment of specified performance goals and are referred to as “performance-based RSUs.” All RSUs are subject to forfeiture until vested.

Performance-based RSUs are granted at the target amount of awards. Based on the Company’s attainment of specified performance goals and consideration of market conditions, the number of shares that vest can be adjusted to a minimum of zero and to a maximum of 150% of the target. The amount of performance-based RSUs that are eligible to vest is determined at the end of each performance period and is then added together to determine the total number of performance shares that are eligible to vest. Performance-based RSUs generally cliff vest three years from the date of grant.

Compensation costs for the time-based awards are based on the quoted market price of the Company’s stock at the grant date. Compensation costs associated with performance-based RSUs are based on grant date fair value, which considers both market and performance conditions. Compensation costs of both time-based and performance-based awards are recognized on a straight-line basis from the grant date until the vesting date of each grant.

The following table presents RSU activity during the nine months ended September 30, 2023:

	Time-Based RSUs					Performance-Based RSUs
				Weighted-Average					Weighted-Average
				Grant Date					Grant Date
	Shares			Fair Value		Shares			Fair Value
Balance at December 31, 2022		202,059		$	33.29		362,965		$	31.56
Granted		85,120			37.97		123,504			38.41
Vested		(2,381	)		35.19		(136,808	)		34.21
Forfeited		(1,774	)		42.52		—			—
Balance at September 30, 2023		283,024		$	34.62		349,661		$	32.94

The compensation expense recorded for RSUs was $2.0 million and $1.8 million for the three months ended September 30, 2023, and 2022, respectively. For the nine months ended September 30, 2023 and 2022, the compensation expense recorded for RSUs was $5.0 million and $5.2 million, respectively. Unrecognized stock-based compensation expense related to RSUs was $11.9 million and $10.7 million as of September 30, 2023 and 2022, respectively. As of September 30, 2023, these costs are expected to be recognized over the next 2.0 years for time-based and performance-based RSUs.

As of September 30, 2023, 1,581,507 shares were available for future grants under the Company’s 2005 Incentive Plan, as amended and restated.

12

 

8. Investment Securities

The following tables set forth the amortized cost, gross unrealized gains, gross unrealized losses, and fair value of securities available-for-sale as of September 30, 2023, and December 31, 2022

	September 30, 2023
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	392,956	$	41	$	155	$	392,842
U.S. government agency entities		51,018		144		161		51,001
U.S. government sponsored entities		33,709		—		89		33,620
Mortgage-backed securities		916,719		42		154,958		761,803
Collateralized mortgage obligations		32,015		—		4,317		27,698
Corporate debt securities		248,534		—		16,662		231,872
Foreign debt securities		10,000		—		38		9,962
Total	$	1,684,951	$	227	$	176,380	$	1,508,798

	December 31, 2022
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	241,611	$	—	$	1,111	$	240,500
U.S. government agency entities		63,347		384		121		63,610
U.S. government sponsored entities		30,000		—		—		30,000
Mortgage-backed securities		993,883		194		126,983		867,094
Collateralized mortgage obligations		34,552		—		3,491		31,061
Corporate debt securities		258,780		112		17,809		241,083
Total	$	1,622,173	$	690	$	149,515	$	1,473,348

As of September 30, 2023, the amortized cost of AFS debt securities excluded accrued interest receivables of $5.5 million, which are included in “accrued interest receivable” on the Consolidated Balance Sheets. For the Company’s accounting policy related to AFS debt securities’ accrued interest receivable, see Note 1 - Summary of Significant Accounting Policies – Securities Available for Sale – Allowance for Credit Losses on Available for Sale Securities to the Consolidated Financial Statements in the Company’s 2022 Form 10-K.

13

 

The amortized cost and fair value of securities available-for-sale as of September 30, 2023, by contractual maturities, are set forth in the tables below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or repay obligations with or without call or repayment penalties.  

	September 30, 2023
	Securities Available-For-Sale
	Amortized Cost		Fair Value
	(In thousands)
Due in one year or less	$	442,957	$	442,208
Due after one year through five years		241,407		225,644
Due after five years through ten years		154,327		142,157
Due after ten years		846,260		698,789
Total	$	1,684,951	$	1,508,798

Equity Securities - The Company recognized an unrealized net loss of $6.2 million for the three months ended September 30, 2023, due to a decrease in fair value of equity investments with readily determinable fair values compared to a net loss of $3.7 million for the three months ended September 30, 2022. The Company recognized a net gain of $9.3 million for the nine months ended September 30, 2023 due to the increase in fair value of equity investments with readily determinable fair values compared to a net gain of $1.3 million for the nine months ended September 30, 2022. Equity securities were $31.5 million and $22.2 million as of September 30, 2023, and December 31, 2022, respectively.

The following tables set forth the gross unrealized losses and related fair value of the Company’s investment portfolio, aggregated by investment category and the length of time that individual security has been in a continuous unrealized loss position, as of  September 30, 2023, and  December 31, 2022:

	September 30, 2023
	Less than 12 Months				12 Months or Longer				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	49,153	$	126	$	49,804	$	29	$	98,957	$	155
U.S. government agency entities		17,698		39		1,487		122		19,185		161
U.S. government sponsored entities		33,621		89		—		—		33,621		89
Mortgage-backed securities		17,695		642		743,568		154,316		761,263		154,958
Collateralized mortgage obligations		—		—		27,698		4,317		27,698		4,317
Corporate debt securities		68,285		1,715		163,586		14,947		231,871		16,662
Foreign debt securities		9,962		38		—		—		9,962		38
Total	$	196,414	$	2,649	$	986,143	$	173,731	$	1,182,557	$	176,380

14

 

	December 31, 2022
	Less than 12 Months				12 Months or Longer				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	240,500	$	1,111	$	—	$	—	$	240,500	$	1,111
U.S. government agency entities		—		—		1,806		121		1,806		121
Mortgage-backed securities		394,123		33,042		452,739		93,941		846,862		126,983
Collateralized mortgage obligations		24,427		1,614		6,634		1,877		31,061		3,491
Corporate debt securities		109,995		3,256		100,977		14,553		210,972		17,809
Total	$	769,045	$	39,023	$	562,156	$	110,492	$	1,331,201	$	149,515

As of September 30, 2023, the Company had a total of 202 AFS debt securities in a gross unrealized loss position with no credit impairment, consisting primarily of 161 mortgage-backed securities, and 24 Corporate debt securities. In comparison, as of December 31, 2022, the Company has a total of 195 AFS debt securities in a gross unrealized loss position with no credit impairment, consisting primarily of 159 mortgage-backed securities, 22 Corporate debt securities, six U.S. treasury securities, five collateralized mortgage obligations and three U.S. government agency securities.

In March 2023, the Company recorded a $3.0 million write-off of its holdings of debt securities from the failed Signature Bank.

Allowance for Credit Losses

The securities that were in an unrealized loss position at September 30, 2023, were evaluated to determine whether the decline in fair value below the amortized cost basis resulted from a credit loss or other factors. For a discussion of the factors and criteria the Company uses in analyzing securities for impairment related to credit losses, see Note 1 - Summary of Significant Accounting Policies - Allowance for Credit Losses on Available for Sale Securities to the Consolidated Financial Statements in the Company’s 2022 Form 10-K.

The Company concluded the unrealized losses were primarily attributed to yield curve movement, together with widened liquidity spreads and credit spreads. The issuers have not, to the Company’s knowledge, established any cause for default on these securities. The Company expects to recover the amortized cost basis of its securities and has no present intent to sell and will not be required to sell available-for-sale securities that have declined below their cost before their anticipated recovery. Accordingly, no allowance for credit losses was recorded as of September 30, 2023, against these securities, and there was no provision for credit losses recognized for the three and nine months ended September 30, 2023.

Securities available-for-sale having a carrying value of $132.2 million and $145.7 million as of September 30, 2023, and December 31, 2022, respectively, were pledged to secure public deposits and other borrowings.

15

 

9. Loans

Most of the Company’s business activities are with clients located in the high-density Asian-populated areas of Southern and Northern California; New York City, New York; Dallas and Houston, Texas; Seattle, Washington; Boston, Massachusetts; Chicago, Illinois; Edison, New Jersey; Rockville, Maryland; and Las Vegas, Nevada. The Company also has loan clients in Hong Kong. The Company has no specific industry concentration, and generally its loans, when secured, are secured by real property or other collateral of the borrowers. The Company generally expects loans to be paid off from the operating profits of the borrowers, from refinancing by other lenders, or through sale by the borrowers of the secured collateral.

The types of loans in the Company’s Consolidated Balance Sheets as of September 30, 2023 and December 31, 2022, were as follows:

	September 30, 2023			December 31, 2022
	(In thousands)
Commercial loans	$	3,090,609		$	3,318,778
Real estate construction loans		474,294			559,372
Commercial mortgage loans		9,511,805			8,793,685
Residential mortgage loans		5,685,844			5,252,952
Equity lines		253,826			324,548
Installment and other loans		7,444			4,689
Gross loans	$	19,023,822		$	18,254,024
Allowance for loan losses		(154,619	)		(146,485	)
Unamortized deferred loan fees, net		(9,521	)		(6,641	)
Total loans, net	$	18,859,682		$	18,100,898

As of September 30, 2023, recorded investment in non-accrual loans was $77.3 million. As of December 31, 2022, recorded investment in non-accrual loans totaled $68.9 million. For non-accrual loans, the amounts previously charged-off represent 6.2% and 14.1% of the contractual balances for non-accrual loans as of September 30, 2023 and December 31, 2022, respectively.

The following tables present the average recorded investment and interest income recognized on non-accrual loans for the period indicated:

	Three Months Ended				Nine Months Ended
	September 30, 2023				September 30, 2023
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	13,147	$	5	$	18,982	$	10
Real estate construction loans		11,266		—		3,797		—
Commercial mortgage loans		37,046		74		37,446		244
Residential mortgage loans and equity lines		13,214		—		11,652		—
Installment and other loans		—		—		1		—
Total non-accrual loans	$	74,673	$	79	$	71,878	$	254

16

 

	Three Months Ended				Nine Months Ended
	September 30, 2022				September 30, 2022
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	26,809	$	—	$	28,691	$	—
Commercial mortgage loans		18,861		191		28,878		508
Residential mortgage loans and equity lines		16,743		7		14,838		20
Installment and other loans		61		—		35		—
Total non-accrual loans	$	62,474	$	198	$	72,442	$	528

The following table presents non-accrual loans and the related allowance as of September 30, 2023 and December 31, 2022:

 

	September 30, 2023
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance:
Commercial loans	$	26,116	$	14,661	$	—
Real estate construction loans		7,737		7,737		—
Commercial mortgage loans		42,020		32,539		—
Residential mortgage loans and equity lines		13,582		13,138		—
Subtotal	$	89,455	$	68,075	$	—
With allocated allowance:
Real estate construction loans	$	9,255	$	9,255	$	4,221
Total non-accrual loans	$	98,710	$	77,330	$	4,221

17

 

	December 31, 2022
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance:
Commercial loans	$	27,341	$	12,949	$	—
Commercial mortgage loans		37,697		32,205		—
Residential mortgage loans and equity lines		9,626		8,978		—
Installment and other loans		9		8		—
Subtotal	$	74,673	$	54,140	$	—
With allocated allowance:
Commercial loans	$	14,643	$	12,823	$	3,734
Commercial mortgage loans		1,896		1,891		207
Subtotal	$	16,539	$	14,714	$	3,941
Total non-accrual loans	$	91,212	$	68,854	$	3,941

The following tables present the aging of the loan portfolio by type as of September 30, 2023, and as of December 31, 2022:

	September 30, 2023
	30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Non-accrual Loans		Total Past Due		Loans Not Past Due		Total
	(In thousands)
Type of Loans:
Commercial loans	$	6,835	$	3,634	$	1,204	$	14,661	$	26,334	$	3,064,275	$	3,090,609
Real estate construction loans		—		—		—		16,992		16,992		457,302		474,294
Commercial mortgage loans		3,246		6,357		720		32,539		42,862		9,468,943		9,511,805
Residential mortgage loans and equity lines		4,663		10,681		—		13,138		28,482		5,911,188		5,939,670
Installment and other loans		6		—		—		—		6		7,438		7,444
Total loans	$	14,750	$	20,672	$	1,924	$	77,330	$	114,676	$	18,909,146	$	19,023,822

18

 

	December 31, 2022
	30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Non-accrual Loans		Total Past Due		Loans Not Past Due		Total
	(In thousands)
Type of Loans:
Commercial loans	$	8,192	$	3,235	$	10,208	$	25,772	$	47,407	$	3,271,371	$	3,318,778
Real estate construction loans		—		—		—		—		—		559,372		559,372
Commercial mortgage loans		25,772		—		1,372		34,096		61,240		8,732,445		8,793,685
Residential mortgage loans and equity lines		47,043		5,685		—		8,978		61,706		5,515,794		5,577,500
Installment and other loans		5		1		—		8		14		4,675		4,689
Total loans	$	81,012	$	8,921	$	11,580	$	68,854	$	170,367	$	18,083,657	$	18,254,024

The Company has adopted ASU 2022-02, "Financial Instruments – Troubled Debt Restructurings and Vintage Disclosures" effective January 1, 2023. As part of the adoption, the Company has elected to apply the pending content prospectively and the practical expedient to exclude the accrued interest receivable balance from the disclosed amortized cost basis of loan modifications to debtors experiencing financial difficulty, consistent with our ACL approach discussed further below in this footnote.

Under the new guidance on loan modifications made to borrowers experiencing financial difficulty, when a loan held for investment is modified and is considered to be a continuation of the original loan, the Company uses the post-modification contractual rate to derive the effective interest rate when using a discounted cash flow method to determine the allowance for credit loss.

The amendments in this new guidance eliminate the previous TDR recognition and measurement guidance and, instead, require that an entity evaluate whether the modification represents a new loan or a continuation of an existing loan.

Under the prior TDR guidance, a TDR is a formal modification of the terms of a loan when the lender, for economic or legal reasons related to the borrower’s financial difficulties, grants a concession to the borrower. The concessions may be granted in various forms, including a change in the stated interest rate, a reduction in the loan balance or accrued interest, or an extension of the maturity date. Although these loan modifications were considered TDRs, TDR loans that had, pursuant to the Bank’s policy, performed under the restructured terms and had demonstrated sustained performance under the modified terms for six months were returned to accrual status. The sustained performance considered by management pursuant to its policy included the periods prior to the modification if the prior performance met or exceeded the modified terms. This would include cash paid by the borrower prior to the restructuring to set up interest reserves. Loans classified as TDRs were reported as individually evaluated loans.

The allowance for credit loss on a TDR was measured using the same method as all other loans held for investment, except when the value of a concession could not be measured using a method other than the discounted cash flow method. Under the prior guidance when the value of a concession was measured using the discounted cash flow method, the allowance for credit loss was determined by discounting the expected future cash flows at the original interest rate of the loan.

Upon adoption of ASU 2022-02, the Company establishes a specific reserve for individually evaluated loans that do not share similar risk characteristics with the loans included in the quantitative baseline. These individually evaluated loans are removed from the pooling approach for the quantitative baseline, and include non-accrual loans, loan modifications made to borrowers experiencing financial difficulty, and other loans as deemed appropriate by management. The Company applies the loan refinancing and restructuring guidance provided in ASU 2022-02 to determine whether a modification made to a borrower results in a new loan or a continuation of an existing loan.

If economic conditions or other factors worsen relative to the assumptions the Company utilized, the expected loan losses will increase accordingly in future periods.

As of December 31, 2022, under the prior TDR guidance, there were accruing TDRs of $15.1 million and non-accruing TDRs of $6.3 million. As of December 31, 2022, the Company allocated zero in reserves to accruing TDRs and $427 thousand to non-accruing TDRs.

19

 

The following tables set forth TDRs that were modified during the three and nine months ended September 30, 2022, and their specific reserves and charge-offs:

	Three Months Ended September 30, 2022								September 30, 2022
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		2	$	2,572	$	2,572	$	—	$	—
Residential mortgage loans and equity lines		4		1,466		1,442		—		3
Total		6	$	4,038	$	4,014	$	—	$	3

	Nine Months Ended September 30, 2022								September 30, 2022
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		4	$	6,115	$	6,115	$	—	$	2,566
Commercial Mortgage loans		2	$	2,572	$	2,572	$	—	$	—
Residential mortgage loans and equity lines		8		2,190		2,162		—		4
Total		14	$	10,877	$	10,849	$	—	$	2,570

Modifications of the loan terms in the three and nine months ended September 30, 2023, were in the form of payment deferrals, term extensions, and interest rate reductions, or a combination thereof.

20

 

The following table presents the amortized cost of loans modified to borrowers experiencing financial difficulty disaggregated by class of financing receivable and type of concession granted and the financial effects of the modifications for the three and nine months ended September 30, 2023 by loan class and modification type:

	Three Months Ended September 30, 2023									Financial Effects of Loan Modifications
	Term Extension		Combo-Rate Reduction/Term Extension/Payment Delay		Total		Modification as a % of Loan Class			Weighted-Average Rate Reduction		Weighted-Average Term Extension (in Years)		Weighted-Average Payment Deferral (in Years)
	(In thousands)
Loan Type
Commercial loans	$	1,489	$	1,164	$	2,653		0.09	%		0.94		0.80		0.40
Total	$	1,489	$	1,164	$	2,653
	Nine Months Ended September 30, 2023									Financial Effects of Loan Modifications
	Term Extension		Combo-Rate Reduction/Term Extension/Payment Delay		Total		Modification as a % of Loan Class			Weighted-Average Rate Reduction		Weighted-Average Term Extension (in Years)		Weighted-Average Payment Deferral (in Years)
	(In thousands)
Loan Type
Commercial loans	$	1,489	$	1,199	$	2,688		0.09	%		1.27		0.80		0.39
Total	$	1,489	$	1,199	$	2,688

The Company considers a loan to be in payment default once it is 60 to 90 days contractually past due under the modified terms.  The Company tracks the performance of modified loans. A modified loan may become delinquent and may result in a payment default subsequent to modification. There were no loans that received a modification during the three and nine months ended September 30, 2023 that subsequently defaulted.

21

 

The following table presents the performance of loans that were modified during the three and nine months ended September 30, 2023.

	Three Months Ended September 30, 2023
	Current		30–89 Days Past Due		90+ Days Past Due		Total
	(In thousands)
Loan Type
Commercial loans	$	2,653	$	—	$	—	$	2,653
Total	$	2,653	$	—	$	—	$	2,653

	Nine Months Ended September 30, 2023
	Current		30–89 Days Past Due		90+ Days Past Due		Total
	(In thousands)
Loan Type
Commercial loans	$	2,688	$	—	$	—	$	2,688
Total	$	2,688	$	—	$	—	$	2,688

A summary of TDRs by type of concession and by type of loan, as of December 31, 2022, is set forth in the table below:

	December 31, 2022
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs:
Commercial loans	$	2,588	$	—	$	—	$	2,588
Commercial mortgage loans		2,791		—		5,855		8,646
Residential mortgage loans		2,181		445		1,285		3,911
Total accruing TDRs	$	7,560	$	445	$	7,140	$	15,145

	December 31, 2022
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs:
Commercial loans	$	3,629	$	—	$	—	$	3,629
Commercial mortgage loans		1,098		—		—		1,098
Residential mortgage loans		1,621		—		—		1,621
Total non-accrual TDRs	$	6,348	$	—	$	—	$	6,348

22

 

Under the Company’s internal underwriting policy, an evaluation is performed of the probability that the borrower will be in payment default on any of its debt in the foreseeable future without the modification in order to determine whether a borrower is experiencing financial difficulty.

As of September 30, 2023, there were no commitments to lend additional funds to borrowers experiencing financial difficulty and whose loans were modified.

As part of the on-going monitoring of the credit quality of our loan portfolio, the Company utilizes a risk grading matrix to assign a risk grade to each loan. Loans are risk rated based on analysis of the current state of the borrower’s credit quality. The analysis of credit quality includes a review of sources of repayment, the borrower’s current financial and liquidity status and other relevant information. The risk rating categories can be generally described by the following grouping for non-homogeneous loans: 

● Pass/Watch – These loans range from minimal credit risk to higher than average, but still acceptable, credit risk. The loans have sufficient sources of repayment to repay the loans in full, in accordance with all the terms and conditions and remain currently well protected by collateral values.

● Special Mention – Borrower is fundamentally sound, and loan is currently protected but adverse trends are apparent that, if not corrected, may affect ability to repay. Primary source of loan repayment remains viable but there is increasing reliance on collateral or guarantor support.

● Substandard – These loans are inadequately protected by current sound net worth, paying capacity, or collateral. Well-defined weaknesses exist that could jeopardize repayment of debt. Loss may not be imminent, but if weaknesses are not corrected, there is a good possibility of some loss.

● Doubtful – The possibility of loss is extremely high, but due to identifiable and important pending events (which may strengthen the loan), a loss classification is deferred until the situation is better defined.

● Loss – These loans are considered uncollectible and of such little value that to continue to carry the loan as an active asset is no longer warranted.

23

 

The following table summarizes the Company’s loans held for investment as of September 30, 2023 and December 31, 2022, presented by loan portfolio segments, internal risk ratings and vintage year. The vintage year is the year of origination, renewal or major modification:

	Loans Amortized Cost Basis by Origination Year
September 30, 2023	2023		2022		2021		2020		2019		Prior		Revolving Loans		Revolving Converted to Term Loans		Total
	(In thousands)
Commercial loans
Pass/Watch	$	259,326	$	387,990	$	357,365	$	113,463	$	90,879	$	155,766	$	1,568,766	$	7,175	$	2,940,730
Special Mention		4,188		2,083		8,582		29,311		915		773		53,164		—		99,016
Substandard		166		524		11,450		165		768		5,753		29,709		222		48,757
Total	$	263,680	$	390,597	$	377,397	$	142,939	$	92,562	$	162,292	$	1,651,639	$	7,397	$	3,088,503
YTD gross write-offs	$	—	$	276	$	760	$	245	$	3,672	$	6,043	$	1,521	$	—	$	12,517
Real estate construction loans
Pass/Watch	$	22,304	$	118,205	$	218,002	$	44,627	$	16,533	$	3,132	$	—	$	—	$	422,803
Special Mention		1,482		—		8,248		—		—		22,998		—		—		32,728
Substandard		—		—		—		—		7,736		9,255		—		—		16,991
Total	$	23,786	$	118,205	$	226,250	$	44,627	$	24,269	$	35,385	$	—	$	—	$	472,522
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial mortgage loans
Pass/Watch	$	1,626,562	$	2,005,931	$	1,617,398	$	923,929	$	1,032,298	$	1,855,014	$	186,502	$	—	$	9,247,634
Special Mention		34,868		19,097		34,891		3,330		16,198		34,985		1,399		—		144,768
Substandard		—		11,937		12,247		5,526		17,376		62,260		2,671		—		112,017
Total	$	1,661,430	$	2,036,965	$	1,664,536	$	932,785	$	1,065,872	$	1,952,259	$	190,572	$	—	$	9,504,419
YTD gross write-offs	$	—	$	—	$	207	$	—	$	969	$	4,165	$	—	$	—	$	5,341
Residential mortgage loans
Pass/Watch	$	847,550	$	1,147,491	$	920,385	$	538,989	$	557,098	$	1,652,948	$	—	$	—	$	5,664,461
Special Mention		—		—		—		33		—		1,632		—		—		1,665
Substandard		—		951		433		3,446		2,555		13,150		—		—		20,535
Total	$	847,550	$	1,148,442	$	920,818	$	542,468	$	559,653	$	1,667,730	$	—	$	—	$	5,686,661
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Equity lines
Pass/Watch	$	—	$	108	$	—	$	—	$	—	$	—	$	233,892	$	17,322	$	251,322
Special Mention		—		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		3,362		175		3,537
Total	$	—	$	108	$	—	$	—	$	—	$	—	$	237,254	$	17,497	$	254,859
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Installment and other loans
Pass/Watch	$	4,591	$	2,735	$	5	$	—	$	—	$	—	$	—	$	—	$	7,331
Special Mention		—		6		—		—		—		—		—		—		6
Substandard		—		—		—		—		—		—		—		—		—
Total	$	4,591	$	2,741	$	5	$	—	$	—	$	—	$	—	$	—	$	7,337
YTD gross write-offs	$	—	$	15	$	—	$	—	$	—	$	—	$	—	$	—	$	15
Total loans	$	2,801,037	$	3,697,058	$	3,189,006	$	1,662,819	$	1,742,356	$	3,817,666	$	2,079,465	$	24,894	$	19,014,301
Total YTD gross write-offs	$	—	$	291	$	967	$	245	$	4,641	$	10,208	$	1,521	$	—	$	17,873

24

 

	Loans Amortized Cost Basis by Origination Year
December 31, 2022	2023		2022		2021		2020		2019		Prior		Revolving Loans		Revolving Converted to Term Loans		Total
	(In thousands)
Commercial loans
Pass/Watch	$	488,748	$	446,647	$	180,226	$	119,355	$	107,896	$	106,649	$	1,753,509	$	6,560	$	3,209,590
Special Mention		1,212		4,696		2,818		68		308		4,354		41,110		—		54,566
Substandard		25		12,750		342		4,859		2,766		6,985		22,084		133		49,944
Doubtful		—		—		—		1,504		2,185		—		234		—		3,923
Total	$	489,985	$	464,093	$	183,386	$	125,786	$	113,155	$	117,988	$	1,816,937	$	6,693	$	3,318,023
YTD gross write-offs	$	96	$	587	$	120	$	71	$	1,786	$	360	$	202	$	—	$	3,222
Real estate construction loans
Pass/Watch	$	99,798	$	264,197	$	113,312	$	20,479	$	3,067	$	—	$	—	$	—	$	500,853
Special Mention		—		360		9,449		11,643		22,945		—		—		—		44,397
Substandard		—		—		—		1,736		9,309		—		—		—		11,045
Total	$	99,798	$	264,557	$	122,761	$	33,858	$	35,321	$	—	$	—	$	—	$	556,295
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial mortgage loans
Pass/Watch	$	2,087,650	$	1,728,607	$	975,953	$	1,094,505	$	908,748	$	1,420,982	$	178,116	$	—	$	8,394,561
Special Mention		22,150		57,015		25,593		32,119		17,999		63,782		1,600		—		220,258
Substandard		12,320		7,861		14,392		19,972		34,899		81,844		2,631		—		173,919
Total	$	2,122,120	$	1,793,483	$	1,015,938	$	1,146,596	$	961,646	$	1,566,608	$	182,347	$	—	$	8,788,738
YTD gross write-offs	$	—	$	—	$	—	$	—	$	2,091	$	—	$	—	$	—	$	2,091
Residential mortgage loans
Pass/Watch	$	1,228,391	$	964,799	$	580,990	$	600,786	$	417,565	$	1,444,320	$	—	$	—	$	5,236,851
Special Mention		—		—		33		—		752		905		—		—		1,690
Substandard		206		762		2,028		1,966		1,799		8,785		—		—		15,546
Total	$	1,228,597	$	965,561	$	583,051	$	602,752	$	420,116	$	1,454,010	$	—	$	—	$	5,254,087
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Equity lines
Pass/Watch	$	731	$	—	$	—	$	—	$	—	$	—	$	302,825	$	21,460	$	325,016
Special Mention		5		—		—		—		—		—		—		—		5
Substandard		12		—		—		—		—		—		1,043		220		1,275
Total	$	748	$	—	$	—	$	—	$	—	$	—	$	303,868	$	21,680	$	326,296
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Installment and other loans
Pass/Watch	$	1,792	$	2,152	$	—	$	—	$	—	$	—	$	—	$	—	$	3,944
Total	$	1,792	$	2,152	$	—	$	—	$	—	$	—	$	—	$	—	$	3,944
YTD gross write-offs	$	115	$	—	$	—	$	—	$	—	$	—	$	62	$	—	$	177
Total loans	$	3,943,040	$	3,489,846	$	1,905,136	$	1,908,992	$	1,530,238	$	3,138,606	$	2,303,152	$	28,373	$	18,247,383
Total YTD gross write-offs	$	211	$	587	$	120	$	71	$	3,877	$	360	$	264	$	—	$	5,490

Revolving loans that are converted to term loans presented in the table above are excluded from the term loans by vintage year columns.

25

 

Allowance for Credit Losses

The Company has an allowance framework under ASC Topic 326 for all financial assets measured at amortized cost and certain off-balance sheet credit exposures. The measurement of the allowance for credit losses is based on management’s best estimate of lifetime expected credit losses inherent in the Company’s relevant financial assets. The forward-looking concept of current expected credit loss (“CECL”) approach requires loss estimates to consider historical experience, current conditions and reasonable and supportable economic forecasts of future events and circumstances.

The ACL is the combination of the allowance for loan losses and the reserve for unfunded loan commitments. The allowance for loan losses is reported as a reduction of the amortized cost basis of loans, while the reserve for unfunded loan commitments is included within "other liabilities" on the Consolidated Balance Sheets (Unaudited). The amortized cost basis of loans does not include accrued interest receivable, which is included in "accrued interest receivable" on the Consolidated Balance Sheets. The "Provision for credit losses" on the Consolidated Statements of Operations and Comprehensive Income (Unaudited) is a combination of the provision for loan losses and the provision for unfunded loan commitments.

Under the Company’s CECL approach, management estimates the ACL using relevant available information from internal and external sources, relating to past events, current conditions, and reasonable and supportable economic forecasts that vary by loan portfolio. We use economic forecasts from Moody’s Analytics in this process. The economic forecast is updated monthly; therefore, the one used for each quarter-end calculation is generally based on a one-month lag based on the timing of when the forecast is released. The Company does not consider a one-month lag to create a material difference but considers any subsequent material changes to our estimated loss forecasts as deemed appropriate. Historical credit loss experience provides the basis for the estimation of expected credit losses. Adjustments to historical loss information are made for differences in current loan-specific risk characteristics such as differences in underwriting standards, portfolio mix, delinquency level, or term as well as for changes in environmental conditions, such as changes in gross domestic product (or “GDP”), unemployment rates, property values, or other relevant factors.

Under the CECL methodology, quantitative and qualitative loss factors are applied to our population of loans on a collective pool basis when similar risk characteristics exist. The Company evaluates loans for expected credit losses on an individual basis if, based on current information and events, the loan does not share similar credit risk characteristics with other loans. The Company may choose to measure expected credit losses on an individual loan basis by using one of the following methods: (1) the present value of the expected future cash flows of the loan discounted at the loan’s original effective interest rate, or (2) if the loan is collateral dependent, the fair value of the collateral less costs to sell. For loans that are not collateral-dependent, the Company uses the present value of future cash flows.

Quantitative Factors

Under the Company’s CECL methodology, nine portfolio segments with similar risk characteristics are evaluated for expected loss. Six portfolios are modeled using econometric models and three smaller portfolios are evaluated using a simplified loss-rate method that calculates lifetime expected credit losses for the respective pools (simplified approach). The six portfolios subject to econometric modeling include residential mortgages; commercial and industrial loans (“C&I”); construction loans; commercial real estate (“CRE”) for multifamily loans; CRE for owner-occupied loans; and other CRE loans. We estimate the probability of default during the reasonable and supportable forecast period using separate econometric regression models developed to correlate macroeconomic variables, (GDP, unemployment, CRE prices and residential mortgage prices) to historical credit performance for each of the six loan portfolios from the fourth quarter of 2007 to the fourth quarter of 2022. Loss given default rates are computed based on the charge-offs recognized divided by the exposure at default of defaulted loans starting with the fourth quarter of 2007 through the fourth quarter of 2022. The probability of default and the loss given default rates are applied to the expected amount at default at the loan level based on contractual scheduled payments and estimated prepayments. The amounts so calculated comprise the quantitative portion of the allowance for credit losses.

The Company’s CECL methodology utilizes an eight-quarter reasonable and supportable (“R&S”) forecast period, and a four-quarter reversion period. Management relies on multiple forecasts, blending them into a single loss estimate. Generally speaking, the blended scenario approach would include the Baseline, the Alternative Scenario 1 – Upside – 10th Percentile and the Alternative Scenario 3 – Downside – 90th Percentile forecasts. After the R&S period, the Company reverts linearly for the four-quarter reversion period to the long-term loss rates for each of the six portfolios of loans.

The Company’s CECL methodology estimates expected credit losses over the contractual term of the loans, adjusted for expected prepayments when appropriate. The contractual term excludes expected extensions, renewals, and modifications unless the extension or renewal options are included in the original or modified contract at the reporting date and are not unconditionally cancellable by the Company.

26

 

The simplified approach portfolios include Small Business Administration (“SBA”) loans, Home Equity Lines of Credit (“HELOCs”) and cash-secured loans, which are not modelled econometrically due to the low loss history for these three pools of loans. The forecasted loss rate is based on the forecasted GDP and unemployment rates during the first eight quarters of the portfolio’s contractual life, reversion loss rates for the next four quarters of the portfolio’s contractual life on a linear declining rate, and the long-term loss rate projected over the remainder of the portfolio’s contractual life.

Qualitative Factors

Under the Company’s CECL methodology, the qualitative portion of the reserve on pooled loans represents management’s judgment of additional considerations to account for internal and external risk factors that are not adequately measured in the quantitative reserve. The qualitative loss factors consider idiosyncratic risk factors, conditions that may not be reflected in quantitatively derived results, or other relevant factors to seek to ensure the allowance for credit losses reflects our best estimate of current expected credit losses. The qualitative reserves include reserves for policy exceptions, experience of management and staff, level of competition in the lending environment, weak risk identification, lack of historical experience with residential mortgage loans made to non-U.S. residents, oil & gas, included as part of the C&I loan portfolio, and the higher risk characteristics of purchased syndicated loans, and model uncertainty. Current and forecasted economic trends and underlying market values for collateral dependent loans also are considered within the econometric models described above.

The Company’s CECL methodology requires a significant amount of management judgment in determining the appropriate allowance for credit losses. Several of the steps in the methodology involve judgment and are subjective in nature including, among other things:

● Segmenting the loan portfolio

● Determining the amount of loss history to consider

● Selecting predictive econometric regression models that use appropriate macroeconomic variables

● Determining the methodology to forecast prepayments

● Selecting the most appropriate economic forecast scenario

● Determining the length of the R&S forecast and reversion periods

● Estimating expected utilization rates on unfunded loan commitments

● Assessing relevant and appropriate qualitative factors.

In addition, the CECL methodology is dependent on economic forecasts that are inherently imprecise and will change from period to period. Although the allowance for credit losses is considered by management to be appropriate, there can be no assurance that it will be sufficient to absorb future losses.

Management believes the allowance for credit losses is appropriate for the CECL in our loan portfolio and associated unfunded commitments, and the credit risk ratings and inherent loss rates currently assigned are reasonable and appropriate as of the reporting date.

Individually Evaluated Loans 

When a loan no longer shares similar risk characteristics with other loans, such as in the case of certain nonaccrual loans, the Company estimates the allowance for loan losses on an individual loan basis. Generally, the allowance for loan losses for individually evaluated loans is measured as the difference between the recorded value of the loans and the fair value of the collateral. For loans evaluated individually, the Company uses one of two different asset valuation measurement methods: (1) the fair value of collateral less costs to sell; or (2) the present value of expected future cash flows. If an individually evaluated loan is determined to be collateral dependent, the Company applies the fair value of the collateral less costs to sell method. If an individually evaluated loan is determined not to be collateral dependent, the Company uses the present value of future cash flows.

Unfunded Loan Commitments

Unfunded loan commitments are generally related to providing credit facilities to clients of the Bank and are not actively traded financial instruments. These unfunded commitments are disclosed as off-balance sheet financial instruments in Note 10 in the Notes to Consolidated Financial Statements (Unaudited).

27

 

The Company estimates expected credit losses over the contractual period in which the Company is exposed to credit risk via a contractual obligation to extend credit, unless that obligation is unconditionally cancellable by the Company, using the same loss factors as used for the allowance for loan losses. The reserve for unfunded loan commitments uses a one-year historical usage rate of the unfunded commitments during the contractual life of the commitments. The allowance for unfunded commitments is included in “other liabilities” on the Consolidated Balance Sheets. Changes in the allowance for unfunded commitments are included in the provision for credit losses.

The following tables set forth activity in the allowance for loan losses by portfolio segment for the three months and nine months ended September 30, 2023, and June 30, 2022.

Three months ended  September 30, 2023 and 2022

										Residential
				Real Estate			Commercial			Mortgage Loans		Installment
	Commercial			Construction			Mortgage			and		and Other
	Loans			Loans			Loans			Equity Lines		Loans			Total
	(In thousands)
Allowance for Loan Losses:
June 30, 2023 Ending Balance	$	50,579		$	12,751		$	73,547		$	18,214	$	18		$	155,109
(Reversal)/provision for expected credit losses		(178	)		2,360			3,307			586		46			6,121
Charge-offs		(6,254	)		—			(1,221	)		—		(8	)		(7,483	)
Recoveries		611			—			252			9		—			872
Net charge-offs		(5,643	)		—			(969	)		9		(8	)		(6,611	)
September 30, 2023 Ending Balance	$	44,758		$	15,111		$	75,885		$	18,809	$	56		$	154,619
Allowance for unfunded credit commitments:
June 30, 2023 Ending Balance	$	6,984		$	3,541		$	—		$	—	$	—		$	10,525
Provision/(reversal) for expected credit losses		1,570			(691	)		—			—		—			879
September 30, 2023 Ending Balance	$	8,554		$	2,850		$	—		$	—	$	—		$	11,404

										Residential
				Real Estate			Commercial			Mortgage Loans			Installment
	Commercial			Construction			Mortgage			and			and Other
	Loans			Loans			Loans			Equity Lines			Loans			Total
	(In thousands)
Allowance for Loan Losses:
June 30, 2022 Ending Balance	$	49,069		$	7,276		$	68,600		$	23,692		$	135		$	148,772
Provision/(reversal) for expected credit losses		1,845			(1,065	)		1,362			(1,612	)		72			602
Charge-offs		(2,091	)		—			—			(58	)		(79	)		(2,228	)
Recoveries		1,576			—			88			7			—			1,671
Net (charge-offs)/recoveries		(515	)		—			88			(51	)		(79	)		(557	)
September 30, 2022 Ending Balance	$	50,399		$	6,211		$	70,050		$	22,029		$	128		$	148,817
Allowance for unfunded credit commitments:
June 30, 2022 Ending Balance	$	2,804		$	3,306		$	26		$	—		$	—		$	6,136
Provision/(reversal) for expected credit losses		1,576			(152	)		(26	)		—			—			1,398
September 30, 2022 Ending Balance	$	4,380		$	3,154		$	—		$	—		$	—		$	7,534

28

 

Nine months ended September 30, 2023 and 2022

										Residential
				Real Estate			Commercial			Mortgage Loans		Installment
	Commercial			Construction			Mortgage			and		and Other
	Loans			Loans			Loans			Equity Lines		Loans			Total
	(In thousands)
Allowance for Loan Losses:
December 31, 2022 Ending Balance	$	49,435		$	10,417		$	68,366		$	18,232	$	35		$	146,485
Provision for expected credit losses		6,276			4,694			10,027			548		36			21,581
Charge-offs		(12,517	)		—			(5,341	)		—		(15	)		(17,873	)
Recoveries		1,564			—			2,833			29		—			4,426
Net (charge-offs)/recoveries		(10,953	)		—			(2,508	)		29		(15	)		(13,447	)
September 30, 2023 Ending Balance	$	44,758		$	15,111		$	75,885		$	18,809	$	56		$	154,619
Allowance for unfunded credit commitments:
December 31, 2022 Ending Balance	$	4,840		$	3,890		$	—		$	—	$	—		$	8,730
Provision/(reversal) for expected credit losses		3,714			(1,040	)		—			—		—			2,674
September 30, 2023 Ending Balance	$	8,554		$	2,850		$	—		$	—	$	—		$	11,404

									Residential
				Real Estate			Commercial		Mortgage Loans			Installment
	Commercial			Construction			Mortgage		and			and Other
	Loans			Loans			Loans		Equity Lines			Loans			Total
	(In thousands)
Allowance for Loan Losses:
December 31, 2021 Ending Balance	$	43,394		$	6,302		$	61,081	$	25,379		$	1		$	136,157
Provision/(reversal) for expected credit losses		7,258			(97	)		8,699		(3,357	)		206			12,709
Charge-offs		(2,362	)		—			—		(58	)		(80	)		(2,500	)
Recoveries		2,109			6			270		65			1			2,451
Net (charge-offs)/recoveries		(253	)		6			270		7			(79	)		(49	)
September 30, 2022 Ending Balance	$	50,399		$	6,211		$	70,050	$	22,029		$	128		$	148,817
Allowance for unfunded credit commitments:
December 31, 2021 Ending Balance	$	3,725		$	3,375		$	—	$	—		$	—		$	7,100
Provision/(reversal) for expected credit losses		655			(221	)		—		—			—			434
September 30, 2022 Ending Balance	$	4,380		$	3,154		$	—	$	—		$	—		$	7,534

29

10. Commitments and Contingencies

From time to time, Bancorp and its subsidiaries are parties to litigation that arise in the ordinary course of business or otherwise are incidental to various aspects of its operations. Based upon information available to the Company and its review of any such litigation with counsel, management presently believes that the liability relating to such litigation, if any, would not be expected to have a material adverse impact on the Company’s consolidated financial condition, results of operations or liquidity taken as a whole. 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 the Company’s consolidated financial condition, results of operations or liquidity taken as a whole.

Although the Company establishes accruals for legal proceedings when information related to the loss contingencies represented by those matters indicates both that a loss is probable and that the amount of loss can be reasonably estimated, the Company does not have accruals for all legal proceedings where there is a risk of loss. In addition, amounts accrued may not represent the ultimate loss to the Company from the legal proceedings in question. Thus, ultimate losses may be higher or lower, and possibly significantly so, than the amounts accrued for legal loss contingencies.

In the normal course of business, the Company from time to time becomes a party to financial instruments with off-balance sheet risk to meet the financing needs of its clients. These financial instruments include commitments to extend credit in the form of loans, or through commercial or standby letters of credit and financial guarantees. These instruments represent varying degrees of exposure to risk in excess of the amounts included in the accompanying Consolidated Balance Sheets. The contractual or notional amount of these instruments indicates a level of activity associated with a particular class of financial instrument and is not a reflection of the level of expected losses, if any.

The Company’s unfunded commitments related to investments in qualified affordable housing and alternative energy partnerships were $144.7 million and $133.5 million as of September 30, 2023, and December 31, 2022, respectively.

11. Borrowed Funds

Borrowings from the Federal Home Loan Bank (“FHLB”) – There were no over-night borrowings from the FHLB as of September 30, 2023, and $150.0 million in over-night borrowings as of December 31, 2022. Advances from the FHLB were $15.0 million at a weighted average rate of 5.54% as of September 30, 2023, and $335.0 million at a weighted average rate of 4.54% as of December 31, 2022. As of September 30, 2023, final maturity for the FHLB advances was $15.0 million in September 2024. Our unused borrowing capacity from the Federal Home Loan Bank as of September 30, 2023 was $7.30 billion and unpledged securities at September 30, 2023 was $1.38 billion.

Junior Subordinated Notes – The Company established three special purpose trusts in 2003 and two in 2007 for the purpose of issuing Guaranteed Preferred Beneficial Interests in their Subordinated Debentures to outside investors (“Capital Securities”). The proceeds from the issuance of the Capital Securities as well as our purchase of the common stock of the special purpose trusts were invested in Junior Subordinated Notes of the Company (“Junior Subordinated Notes”). The trusts exist for the purpose of issuing the Capital Securities and investing in Junior Subordinated Notes. Subject to some limitations, payment of distributions out of the monies held by the trusts and payments on liquidation of the trusts, or the redemption of the Capital Securities, are guaranteed by the Company to the extent the trusts have funds on hand at such time. The obligations of the Company under the guarantees and the Junior Subordinated Notes are subordinate and junior in right of payment to all indebtedness of the Company and are structurally subordinated to all liabilities and obligations of the Company’s subsidiaries. The Company has the right to defer payments of interest on the Junior Subordinated Notes at any time or from time to time for a period of up to twenty consecutive quarterly periods with respect to each deferral period. Under the terms of the Junior Subordinated Notes, the Company may not, with certain exceptions, declare or pay any dividends or distributions on its capital stock or purchase or acquire any of its capital stock if it has deferred payment of interest on any Junior Subordinated Notes.

At September 30, 2023, Junior Subordinated Notes totaled $119.1 million with a weighted average interest rate of 7.41%, compared to $119.1 million with a weighted average rate of 4.01% at December 31, 2022. The Junior Subordinated Notes have a stated maturity term of 30 years.

30

12. Income Taxes

The effective tax rate for the first nine months of  2023 was 12.6% compared to 22.9% for the first nine months of 2022. The effective tax rate includes the impact of low-income housing and alternative energy investment tax credits.

The Company’s tax returns are open for audit by the Internal Revenue Service back to 2019 and by the California Franchise Tax Board back to 2018.

It is reasonably possible that unrecognized tax benefits could change significantly over the next twelve months. The Company does not expect that any such changes would have a material impact on its annual effective tax rate.

13. Fair Value Measurements and Fair Value of Financial Instruments

The Company uses fair value to measure certain assets and liabilities on a recurring basis, primarily securities available-for-sale and derivatives. For assets measured at the lower of cost or fair value, the fair value measurement criteria may or may not be met during a reporting period and such measurements are therefore considered “nonrecurring” for purposes of disclosing our fair value measurements. Fair value is used on a nonrecurring basis to adjust carrying values for individually evaluated loans and other real estate owned and also to record impairment on certain assets, such as goodwill, CDI, and other long-lived assets.

The Company used valuation methodologies to measure assets at fair value under ASC Topic 820 and ASC Topic 825, as amended by ASU 2016-01 and ASU 2018-03, to estimate the fair value of financial instruments not recorded at fair value. The fair value of the Company’s assets and liabilities is classified and disclosed in one of the following three categories:

● Level 1 – Quoted prices in active markets for identical assets or liabilities.

● Level 2 – Observable prices in active markets for similar assets or liabilities; prices for identical or similar assets or liabilities in markets that are not active; directly observable market inputs for substantially the full term of the asset and liability; market inputs that are not directly observable but are derived from or corroborated by observable market data.

● Level 3 – Unobservable inputs based on the Company’s own judgment about the assumptions that a market participant would use.

The classification of assets and liabilities within the hierarchy is based on whether inputs to the valuation methodology used are observable or unobservable, and the significance of those inputs in the fair value measurement. The Company’s assets and liabilities are classified in their entirety based on the lowest level of input that is significant to their fair value measurements.

Financial assets and liabilities measured at fair value on a recurring basis:

The Company uses the following methodologies to measure the fair value of its financial assets and liabilities on a recurring basis:

31

 

Securities Available-for-Sale and Equity Securities - For certain actively traded agency preferred stocks, mutual funds, U.S. Treasury securities, and other equity securities, the Company measures the fair value based on quoted market prices in active exchange markets at the reporting date, a Level 1 measurement. The Company also measures securities by using quoted market prices for similar securities or dealer quotes, a Level 2 measurement. This category generally includes U.S. Government agency securities, U.S. Government sponsored entities, state and municipal securities, mortgage-backed securities (“MBS”), collateralized mortgage obligations and corporate bonds.

Warrants - The Company measures the fair value of warrants based on unobservable inputs based on assumptions and management judgment, a Level 3 measurement.

Interest Rate Swaps – The Company measures the fair value of interest rate swaps using third party models with observable market data, a Level 2 measurement.

Currency Option Contracts and Foreign Exchange Contracts - The Company measures the fair value of currency option contracts and foreign exchange contracts based on observable market rates on a recurring basis, a Level 2 measurement.

The following tables present financial assets and liabilities that are measured at fair value on a recurring basis as of September 30, 2023 and December 31, 2022:

	September 30, 2023
	Fair Value Measurements Using						Total Fair Value
	Level 1		Level 2		Level 3		Measurements
	(In thousands)
Assets
Securities available-for-sale
U.S. Treasury securities	$	392,842	$	—	$	—	$	392,842
U.S. government agency entities		—		51,001		—		51,001
U.S. government sponsored entities		—		33,620		—		33,620
Mortgage-backed securities		—		761,803		—		761,803
Collateralized mortgage obligations		—		27,698		—		27,698
Corporate debt securities		—		231,872		—		231,872
Foreign debt securities		—		9,962		—		9,962
Total securities available-for-sale		392,842		1,115,956		—		1,508,798
Equity securities
Mutual funds		5,337		—		—		5,337
Preferred stock of government sponsored entities		1,378		—		—		1,378
Other equity securities		24,741		—		—		24,741
Total equity securities		31,456		—		—		31,456
Warrants		—		—		42		42
Interest rate swaps		—		83,434		—		83,434
Foreign exchange contracts		—		858		—		858
Total assets	$	424,298	$	1,200,248	$	42	$	1,624,588
Liabilities
Interest rate swaps	$	—	$	56,058	$	—	$	56,058
Foreign exchange contracts		—		939		—		939
Total liabilities	$	—	$	56,997	$	—	$	56,997

32

 

	December 31, 2022
	Fair Value Measurements Using						Total Fair Value
	Level 1		Level 2		Level 3		Measurements
	(In thousands)
Assets
Securities available-for-sale
U.S. Treasury securities	$	240,500	$	—	$	—	$	240,500
U.S. government agency entities		—		63,610		—		63,610
U.S. government sponsored entities		—		30,000		—		30,000
Mortgage-backed securities		—		867,094		—		867,094
Collateralized mortgage obligations		—		31,061		—		31,061
Corporate debt securities		—		241,083		—		241,083
Total securities available-for-sale		240,500		1,232,848		—		1,473,348
Equity securities
Mutual funds		5,509		—		—		5,509
Preferred stock of government sponsored entities		1,289		—		—		1,289
Other equity securities		15,360		—		—		15,360
Total equity securities		22,158		—		—		22,158
Warrants		—		—		50		50
Interest rate swaps		—		44,443		—		44,443
Foreign exchange contracts		—		448		—		448
Total assets	$	262,658	$	1,277,739	$	50	$	1,540,447
Liabilities
Interest rate swaps	$	—	$	51,864	$	—	$	51,864
Foreign exchange contracts		—		942		—		942
Total liabilities	$	—	$	52,806	$	—	$	52,806

33

 

Financial assets and liabilities measured at estimated fair value on a non-recurring basis:

Certain assets or liabilities are required to be measured at estimated fair value on a nonrecurring basis subsequent to initial recognition. Generally, these adjustments are the result of lower-of-cost-or-fair value or other impairment write-downs of individual assets. In determining the estimated fair values during the period, the Company determined that substantially all the changes in estimated fair value were due to declines in market conditions versus instrument specific credit risk. For the periods ended September 30, 2023, and December 31, 2022, there were no material adjustments to fair value for the Company’s assets and liabilities measured at fair value on a nonrecurring basis in accordance with GAAP.

For financial assets measured at fair value on a nonrecurring basis that were still reflected in the Consolidated Balance Sheets as of September 30, 2023, the following tables set forth the level of valuation assumptions used to determine each adjustment, the carrying value of the related individual assets as of September 30, 2023, and December 31, 2022, and the total losses for the periods indicated:

	As of September 30, 2023								Total Losses
	Fair Value Measurements Using						Total Fair Value		For the Three Months Ended				For the Nine Months Ended
	Level 1		Level 2		Level 3		Measurements		September 30, 2023		September 30, 2022		September 30, 2023		September 30, 2022
	(In thousands)
Assets
Non accrual loans by type:
Commercial loans	$	—	$	—	$	—	$	—	$	—	$	1,786	$	—	$	1,786
Commercial mortgage loans		—		—		7,051		7,051		252		—		4,069		—
Real estate construction loans		—		—		5,034		5,034		—		—		—		—
Total non accrual loans		—		—		12,085		12,085		252		1,786		4,069		1,786
Other real estate owned (1)		—		—		15,328		15,328		—		—		—		—
Investments in venture capital		—		—		447		447		—		—		—		—
Total assets	$	—	$	—	$	27,860	$	27,860	$	252	$	1,786	$	4,069	$	1,786

(1) Other real estate owned balance of $14.4 million in the Consolidated Balance Sheets is net of estimated disposal costs.

	As of December 31, 2022								Total Losses
	Fair Value Measurements Using						Total Fair Value		For the Twelve Months Ended
	Level 1		Level 2		Level 3		Measurements		December 31, 2022		December 31, 2021
	(In thousands)
Assets
Non accrual loans by type:
Commercial loans	$	—	$	—	$	12,950	$	12,950	$	1,786	$	1,012
Commercial mortgage loans		—		—		32,205		32,205		2,091		—
Residential mortgage loans and equity lines		—		—		8,978		8,978		—		—
Installment and other loans		—		—		8		8		—		—
Total non accrual loans		—		—		54,141		54,141		3,877		1,012
Other real estate owned (1)		—		—		4,328		4,328		—		17
Investments in venture capital		—		—		689		689		268		143
Total assets	$	—	$	—	$	59,158	$	59,158	$	4,145	$	1,172

(1) Other real estate owned balance of $4.1 million in the Consolidated Balance Sheets is net of estimated disposal costs.

34

 

The significant unobservable (Level 3) inputs used in the fair value measurement of collateral for collateral-dependent individually evaluated loans are primarily based on the appraised value of collateral adjusted by estimated sales cost and commissions. The Company generally obtains new appraisal reports every twelve months as appropriate. As the Company’s primary objective in the event of default would be to monetize the collateral to settle the outstanding balance of the loan, less marketable collateral would receive a larger discount. In the current year, the Company used borrower specific collateral discounts with various discount levels.

The fair value of individually evaluated loans is calculated based on the net realizable fair value of the collateral or the observable market price of the most recent sale or quoted price from loans held for sale. The Company does not record loans at fair value on a recurring basis. Nonrecurring fair value adjustments to collateral dependent individually evaluated loans are recorded based on the current appraised value of the collateral, a Level 2 measurement, or management’s judgment and estimation of value using discounted future cash flows or old appraisals which are then adjusted based on recent market trends, a Level 3 measurement.

The significant unobservable inputs (Level 3) used in the fair value measurement of other real estate owned (“OREO”) are primarily based on the appraised value of OREO adjusted by estimated sales cost and commissions. The Company applies estimated sales cost and commissions ranging from 3% to 6% of the collateral value of individually evaluated loans, quoted price, or loan sale price of loans held for sale, and appraised value of OREO.

The significant unobservable inputs in the Black-Scholes option pricing model for the fair value of warrants are their expected life ranging from one to six years, risk-free interest rate from 4.25% to 5.11%, and stock volatility from 20.14% to 27.69% as of   September 30, 2023 and   December 31, 2022.

Fair value is estimated in accordance with ASC Topic 825. Fair value estimates are made at specific points in time, based on relevant market information and information about the financial instrument. These estimates do not reflect any premium or discount that could result from offering for sale at one time the Bank’s entire holdings of a particular financial instrument. Because no market exists for a significant portion of the Bank’s financial instruments, fair value estimates are based on judgments regarding future expected loss experience, current economic conditions, risk characteristics of various financial instruments, and other factors. These estimates are subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision. Changes in assumptions could significantly affect the estimates.

The following table sets forth the carrying and notional amounts and estimated fair value of financial instruments as of September 30, 2023, and December 31, 2022 :

	September 30, 2023				December 31, 2022
	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
	(In thousands)
Financial Assets
Cash and due from banks	$	145,580	$	145,580	$	195,440	$	195,440
Short-term investments		1,017,354		1,017,354		966,962		966,962
Securities available-for-sale		1,508,798		1,508,798		1,473,348		1,473,348
Loans, net		18,859,682		18,838,004		18,100,898		17,944,588
Equity securities		31,456		31,456		22,158		22,158
Investment in Federal Home Loan Bank stock		17,250		17,250		17,250		17,250
Warrants		42		42		50		50

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Foreign exchange contracts	$	220,784	$	858	$	72,996	$	448
Interest rate swaps		1,502,403		83,434		817,615		44,443

35

 

	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
Financial Liabilities
Deposits	$	19,635,588	$	19,746,224	$	18,505,279	$	18,572,387
Advances from Federal Home Loan Bank		15,000		14,186		485,000		482,737
Other borrowings		22,374		18,282		22,600		18,385
Long-term debt		119,136		68,536		119,136		68,231

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Foreign exchange contracts	$	64,971	$	939	$	170,213	$	942
Interest rate swaps		642,054		56,058		595,426		51,864

	Notional					Notional
	Amount		Fair Value			Amount		Fair Value
Off-Balance Sheet Financial Instruments
Commitments to extend credit	$	3,989,855	$	(15,038	)	$	3,630,304	$	(14,797	)
Standby letters of credit		329,789		(2,308	)		315,821		(2,738	)
Other letters of credit		10,214		(10	)		29,416		(33	)
Bill of lading guarantees		—		—			—		—

The following tables set forth the level in the fair value hierarchy for the estimated fair values of financial instruments as of September 30, 2023, and December 31, 2022, excluding financial instruments recorded at fair value on a recurring basis already presented in other tables in this note:

	As of September 30, 2023
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	145,580	$	145,580	$	—	$	—
Short-term investments		1,017,354		1,017,354		—		—
Loans, net		18,838,004		—		—		18,838,004
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Financial Liabilities
Deposits		19,746,224		—		—		19,746,224
Advances from Federal Home Loan Bank		14,186		—		14,186		—
Other borrowings		18,282		—		—		18,282
Long-term debt		68,536		—		68,536		—

36

 

	As of December 31, 2022
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	195,440	$	195,440	$	—	$	—
Short-term investments		966,962		966,962		—		—
Loans, net		17,944,588		—		—		17,944,588
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Warrants		50		—		—		50
Financial Liabilities
Deposits		18,572,387		—		—		18,572,387
Advances from Federal Home Loan Bank		482,737		—		482,737		—
Other borrowings		18,385		—		—		18,385
Long-term debt		68,231		—		68,231		—

14. Goodwill and Other Intangible Assets

Goodwill. Total goodwill was $375.7 million as of September 30, 2023 and remains unchanged compared with December 31, 2022. The Company completed its annual goodwill impairment testing and concluded that goodwill was not impaired as of December 31, 2022. Additionally, the Company reviewed the macroeconomic conditions on its business performance and market capitalization as a result of the banking industry market disruptions during the first nine months of 2023 and concluded that goodwill was not impaired as of September 30, 2023.

Core Deposit Intangibles. As a result of the acquisition of HSBC’s West Coast mass retail market consumer banking business and retail business banking business, the Company added core deposit intangible of $3.1 million in 2022.

The following table presents the gross carrying amount and accumulated amortization of core deposits intangible assets as of September 30, 2023 and December 31, 2022:

	September 30, 2023			December 31, 2022
	(In thousands)
Gross balance	$	10,562		$	10,562
Accumulated amortization		(5,041	)		(4,291	)
Impairment		(1,227	)		(918	)
Net carrying balance	$	4,294		$	5,353

There were no impairment write-downs on core deposit intangibles for the three months ended September 30, 2023 and 2022 and $309 thousand for the nine months ended September 30, 2023 included in amortization of core deposit intangibles. There was $918 thousand impairment write-down for the year ended December 31, 2022 included in amortization of core deposit intangibles on the Consolidated Statements of Operations and Comprehensive Income.

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The Company amortizes the core deposit intangibles based on the projected useful lives of the related deposits. The amortization expense related to the core deposit intangible assets was $250 thousand for each of the three months ended September 30, 2023 and 2022.

	Amount
	(In thousands)
2023	$	250
2024		1,001
2025		946
2026		870
2027		870
Thereafter		357
Total	$	4,294

15. Financial Derivatives

The Company does not speculate on the future direction of interest rates. As part of the Company’s asset and liability management, however, the Company enters into financial derivatives to seek to mitigate exposure to interest rate risks related to its interest-earning assets and interest-bearing liabilities. The Company believes that these transactions, when properly structured and managed, may provide a hedge against inherent interest rate risk in our assets or liabilities and against risk in specific transactions. In such instances, the Company may protect its position. Other hedging transactions may be implemented using interest rate swaps, interest rate caps, floors, financial futures, forward rate agreements, and options on futures or bonds. Prior to considering any hedging activities, the Company seeks to analyze the costs and benefits of the hedge in comparison to other viable alternative strategies. All hedges will require an assessment of basis risk and must be approved by the Bancorp or the Bank’s Investment Committee.

The Company follows ASC Topic 815 that establishes accounting and reporting standards for financial derivatives, including certain financial derivatives embedded in other contracts, and hedging activities. It requires the recognition of all financial derivatives as assets or liabilities in the Company’s Consolidated Balance Sheets and measurement of those financial derivatives at fair value. The accounting treatment of changes in fair value is dependent upon whether or not a financial derivative is designated as a hedge and, if so, the type of hedge. Fair value is determined using third-party models with observable market data. For derivatives designated as cash flow hedges, changes in fair value are recognized in other comprehensive income and are reclassified to earnings when the hedged transaction is reflected in earnings. For derivatives designated as fair value hedges, changes in the fair value of the derivatives are reflected in current earnings, together with changes in the fair value of the related hedged item if there is a highly effective correlation between changes in the fair value of the interest rate swaps and changes in the fair value of the underlying asset or liability that is intended to be hedged. If there is not a highly effective correlation between changes in the fair value of the interest rate swap and changes in the fair value of the underlying asset or liability that is intended to be hedged, then only the changes in the fair value of the interest rate swaps are reflected in the Company’s consolidated financial statements.

The Company offers various interest rate derivative contracts to its clients. When derivative transactions are executed with its clients, the derivative contracts are offset by paired trades with third-party financial institutions including with central counterparties (“CCP”). Certain derivative contracts entered with CCPs are settled-to-market daily to the extent the CCP’s rulebooks legally characterize the variation margin as settlement. Derivative contracts are intended to allow borrowers to lock in attractive intermediate and long-term fixed rate financing while not increasing the interest rate risk to the Company. These transactions are generally not linked to specific Company assets or liabilities on the Consolidated Balance Sheets or to forecasted transactions in a hedging relationship and, therefore, are economic hedges. The contracts are marked to market at each reporting period. The changes in fair values of the derivative contracts traded with third-party financial institutions are expected to be largely comparable to the changes in fair values of the derivative transactions executed with clients throughout the terms of these contracts, except for the credit valuation adjustment component.  The Company records credit valuation adjustments on derivatives to properly reflect the variances of credit worthiness between the Company and the counterparties, considering the effects of enforceable master netting agreements and collateral arrangements. As of September 30, 2023 and December 31, 2022, the Company had outstanding interest rate derivative contracts with certain clients and third-party financial institutions with a notional amount of $642.1 million and $595.4 million, respectively, with a fair value of $56.0 million and $50.0 million, respectively, for both clients and third-party financial institutions. As of December 31, 2022, the notional amount $205.6 million of interest rate swaps cleared through the CCP.  

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In May 2014, Bancorp entered into interest rate swap contracts in the notional amount of $119.1 million for a period of ten years. The objective of these interest rate swap contracts, which were designated as hedging instruments in cash flow hedges, was to hedge the quarterly interest payments on Bancorp’s $119.1 million of Junior Subordinated Debentures that had been issued to five trusts, throughout the ten-year period beginning in June 2014 and ending in June 2024, from the risk of variability of these payments resulting from changes in the three-month LIBOR interest rate. The Company early terminated these cash flow derivative swaps in 2022 and realized a gain of $4.0 million for the year ended  December 31, 2022 and is recognizing the amount as a reduction of long-term debt interest expense over the remaining life of the swaps on a straight-line basis. As of December 31, 2022, the ineffective portion of these interest rate swaps was not significant. The periodic net settlement of the interest rate swaps included in interest expense was a net gain of $138 thousand for the three months ended  September 30, 2022  and a net gain of $1.3 million for the nine months ended September 30, 2022.

As of September 30, 2023, the Bank’s outstanding fair value interest rate swap contracts matched to individual fixed-rate commercial real estate loans had a notional amount of $89.3 million with a fair value of $6.3 million and various terms from three to ten years. These contracts have been designated as hedging instruments to hedge the risk of changes in the fair value of the underlying commercial real estate loans due to changes in interest rates. The swap contracts are structured so that the notional amounts reduce over time to match the contractual amortization of the underlying loan and allow prepayments with the same pre-payment penalty amounts as the related loan. As of September 30, 2023 and 2022, the ineffective portion of these interest rate swaps was not significant.

The Company has designated as a partial-term hedging election of $768.1 million notional with a fair value of $21.1 million as last-of-layer hedge on pools of loans with a notational value of $1.30 billion as of September 30, 2023. The loans are not expected to be affected by prepayment, defaults, or other factors affecting the timing and amount of cash flows under the last-of-layer method. The Company has entered into these pay-fixed and receive 1-Month Term SOFR interest rate swaps to convert the last-of-layer $768.1 million portion of $1.30 billion fixed rate loan pools in order to reduce the Company’s exposure to higher interest rates for the last-of-layer tranches. As of September 30, 2023, the last-of-layer loan tranche had a fair value loss basis adjustment of  $19.9  million. The interest rate swap converts this last-of-layer tranche into a floating rate instrument. The Company’s risk management objective with respect to this last-of-layer interest rate swap is to reduce interest rate exposure as to the last-of-layer tranche.

Interest rate swap contracts involve the risk of dealing with institutional derivative counterparties and their ability to meet contractual terms. Institutional counterparties must have a strong credit profile and be approved by the Company’s Board of Directors. The Company’s credit exposure on interest rate swaps is limited to the net favorable value and interest payments of all swaps by each counterparty. Credit exposure may be reduced by the amount of collateral pledged by the counterparty. Bancorp’s interest rate swaps have been assigned by the counterparties to a derivative clearing organization and daily margin is indirectly maintained with the derivative clearing organization. 

The notional amount and net unrealized loss of the Company’s fair value derivative financial instruments as of September 30, 2023, and December 31, 2022, were as follows:

	September 30, 2023			December 31, 2022
	(In thousands)
Fair value swap hedges:
Notional	$	857,341		$	874,034
Weighted average fixed rate-pay		1.80	%		2.12	%
Weighted average variable rate spread		0.27	%		0.68	%
Weighted average variable rate-receive		5.33	%		2.61	%
Unrealized gain	$	27,378		$	38,589

	Three Months Ended				Nine Months Ended
	September 30, 2023		September 30, 2022		September 30, 2023		September 30, 2022
Periodic net settlement of swaps (1)	$	7,659	$	1,461	$	21,065	$	(1,628	)

(1) the amount of periodic net settlement of interest rate swaps was included in interest income.

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Included in the total notional amount of $857.3 million of the fair value interest rate contracts entered into with financial counterparties as of September 30, 2023, was a notional amount of $547.5 million of interest rate swaps that cleared through the CCP. Applying variation margin payments as settlement to CCP cleared derivative transactions resulted in a reduction in derivative asset fair values of $13.9 million as of September 30, 2023.

The Company enters into foreign exchange forward contracts with various counterparties to mitigate the risk of fluctuations in foreign currency exchange rates for foreign exchange certificates of deposit or foreign exchange contracts entered into with our clients. These contracts are not designated as hedging instruments and are recorded at fair value in our Consolidated Balance Sheets. Changes in the fair value of these contracts as well as the related foreign exchange certificates of deposit and foreign exchange contracts are recognized immediately in net income as a component of non-interest income. Period end gross positive fair values are recorded in other assets and gross negative fair values are recorded in other liabilities.

The notional amount and fair value of the Company’s derivative financial instruments not designated as hedging instruments as of September 30, 2023, and December 31, 2022, not including interest rate swaps cleared through the CCP, were as follows:

Derivative financial instruments not designated as hedging instruments:	September 30, 2023			December 31, 2022
	(In thousands)
Notional amounts:
Forward, and swap contracts with positive fair value	$	862,838		$	72,996
Forward, and swap contracts with negative fair value	$	707,025		$	170,213
Fair value:
Forward, and swap contracts with positive fair value	$	56,858		$	448
Forward, and swap contracts with negative fair value	$	(56,939	)	$	(942	)

16. Balance Sheet Offsetting

Certain financial instruments, including resell and repurchase agreements, securities lending arrangements and derivatives, may be eligible for offset in the Consolidated Balance Sheets and/or subject to master netting arrangements or similar agreements. The Company’s securities sold with agreements to repurchase and derivative transactions with upstream financial institution counterparties are generally executed under International Swaps and Derivative Association master agreements that include “right of set-off” provisions. In such cases, there is generally a legally enforceable right to offset recognized amounts and there may be an intention to settle such amounts on a net basis. Nonetheless, the Company does not generally offset such financial instruments for financial reporting purposes.

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Financial instruments that are eligible for offset in the Consolidated Balance Sheets, as of September 30, 2023, and December 31, 2022, are set forth in the following table:

							Gross Amounts Not
							Offset in the Balance Sheet
	Gross Amounts Recognized		Gross Amounts Offset in the Balance Sheet		Net Amounts Presented in the Balance Sheet		Financial Instruments		Collateral Posted		Net Amount
	(In thousands)
September 30, 2023
Assets:
Derivatives	$	83,434	$	9,820	$	73,614	$	—	$	70,745	$	2,869
Liabilities:
Derivatives	$	56,058	$	—	$	56,058	$	—	$	—	$	56,058
December 31, 2022
Assets:
Derivatives	$	90,451	$	46,008	$	44,443	$	—	$	42,930	$	1,513
Liabilities:
Derivatives	$	51,864	$	—	$	51,864	$	—	$	—	$	51,864

17. Revenue from Contracts with Clients

The following is a summary of revenue from contracts with clients that are in-scope and not in-scope under ASC Topic 606:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2023			2022			2023		2022
	(In thousands)
Non-interest income, in-scope:
Fees and service charges on deposit accounts	$	2,218		$	2,398		$	7,073	$	7,156
Wealth management fees		5,150			4,184			12,686		12,494
Other service fees(1)		4,424			4,451			12,559		12,723
Total noninterest income		11,792			11,033			32,318		32,373
Noninterest income, not in-scope(2)		(3,955	)		(1,157	)		12,873		12,353
Total noninterest income	$	7,837		$	9,876		$	45,191	$	44,726

(1) Other service fees comprise of fees related to letters of credit, wire fees, fees on foreign exchange transactions and other immaterial individual revenue streams.

(2) These amounts primarily represent revenue from contracts with clients that are out of the scope of ASC Topic 606.

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The major revenue streams by fee type that are within the scope of ASC Topic 606 presented in the above table are described in additional detail below:

Fees and Services Charges on Deposit Accounts

Fees and service charges on deposit accounts include charges for analysis, overdraft, cash checking, ATM, and safe deposit activities executed by our deposit clients, as well as interchange income earned through card payment networks for the acceptance of card-based transactions. Fees earned from our deposit clients are governed by contracts that provide for overall custody and access to deposited funds and other related services and can be terminated at will by either party. Fees received from deposit clients for the various deposit activities are recognized as revenue by the Company once the performance obligations are met.

Wealth Management Fees

The Company employs financial consultants to provide investment planning services for clients including wealth management services, asset allocation strategies, portfolio analysis and monitoring, investment strategies, and risk management strategies. The fees the Company earns are variable and are generally received monthly by the Company. The Company recognizes revenue for the services performed at quarter end based on actual transaction details received from the broker dealer the Company engages.

Practical Expedients and Exemptions

The Company applies the practical expedient in ASC 606-10-50-14 and does not disclose the value of unsatisfied performance obligations as the Company’s contracts with clients generally have a term that is less than one year, are open-ended with a cancellation period that is less than one year or allow the Company to recognize revenue in the amount to which the Company has the right to invoice.

In addition, given the short-term nature of the contracts, the Company also applies the practical expedient in ASC 606-10-32-18 and does not adjust the consideration from clients for the effects of a significant financing component, if at contract inception the period between when the entity transfers the goods or services and when the client pays for that good or service is one year or less.

18. Stockholders’ Equity

Total equity was $2.64 billion as of September 30, 2023, an increase of $164.7 million, from $2.47 billion as of December 31, 2022, primarily due to net income of $271.6 million, stock-based compensation of $4.9 million, proceeds from dividend reinvestment of $2.7 million, and stock issued to directors of $0.8 million, offset by, common stock cash dividends of $73.9 million, other comprehensive loss of  $21.2 million, purchases of treasury stock of $16.7 million, and shares withheld related to net share settlement of RSUs of $3.5 million.

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Activity in accumulated other comprehensive income/(loss), net of tax, and reclassification out of accumulated other comprehensive income/(loss) for the three and nine months ended September 30, 2023, and June 30, 2022, was as follows:

	Three Months Ended September 30, 2023									Three Months Ended September 30, 2022
	Pre-tax			Tax expense/ (benefit)			Net-of-tax			Pre-tax			Tax expense/ (benefit)			Net-of-tax
	(In thousands)
Beginning balance, gain/(loss), net of tax
Securities available-for-sale							$	(100,704	)							$	(72,210	)
Cash flow hedge derivatives								1,655									882
Total							$	(99,049	)							$	(71,328	)
Net unrealized gains/(losses) arising during the period
Securities available-for-sale	$	(34,133	)	$	(10,090	)	$	(24,043	)	$	(61,316	)	$	(18,125	)	$	(43,191	)
Cash flow hedge derivatives		(626	)		(185	)		(441	)		2,677			791			1,886
Total	$	(34,759	)	$	(10,275	)	$	(24,484	)	$	(58,639	)	$	(17,334	)	$	(41,305	)
Reclassification adjustment for net losses in net income
Cash flow hedge derivatives		—			—			—			(342	)		(101	)		(241	)
Total		—			—			—			(342	)		(101	)		(241	)
Total other comprehensive income/(loss)
Securities available-for-sale	$	(34,133	)	$	(10,090	)	$	(24,043	)	$	(61,316	)	$	(18,125	)	$	(43,191	)
Cash flow hedge derivatives		(626	)		(185	)		(441	)		2,335			690			1,645
Total	$	(34,759	)	$	(10,275	)	$	(24,484	)	$	(58,981	)	$	(17,435	)	$	(41,546	)
Ending balance, gain/(loss), net of tax
Securities available-for-sale							$	(124,747	)							$	(115,401	)
Cash flow hedge derivatives								1,214									2,527
Total							$	(123,533	)							$	(112,874	)

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	Nine Months Ended September 30, 2023									Nine Months Ended September 30, 2022
	Pre-tax			Tax expense/ (benefit)			Net-of-tax			Pre-tax			Tax expense/ (benefit)			Net-of-tax
	(In thousands)
Beginning balance, gain/(loss), net of tax
Securities available-for-sale							$	(104,832	)							$	211
Cash flow hedge derivatives								2,537									(3,276	)
Total							$	(102,295	)							$	(3,065	)
Net unrealized gains/(losses) arising during the period
Securities available-for-sale	$	(28,272	)	$	(8,357	)	$	(19,915	)	$	(164,128	)	$	(48,516	)	$	(115,612	)
Cash flow hedge derivatives		(1,878	)		(555	)		(1,323	)		11,060			3,269			7,791
Total	$	(30,150	)	$	(8,912	)	$	(21,238	)	$	(153,068	)	$	(45,247	)	$	(107,821	)
Reclassification adjustment for net losses in net income
Cash flow hedge derivatives		—			—			—			(2,822	)		(834	)		(1,988	)
Total		—			—			—			(2,822	)		(834	)		(1,988	)
Total other comprehensive income/(loss)
Securities available-for-sale	$	(28,272	)	$	(8,357	)	$	(19,915	)	$	(164,128	)	$	(48,516	)	$	(115,612	)
Cash flow hedge derivatives		(1,878	)		(555	)		(1,323	)		8,238			2,435			5,803
Total	$	(30,150	)	$	(8,912	)	$	(21,238	)	$	(155,890	)	$	(46,081	)	$	(109,809	)
Ending balance, gain/(loss), net of tax
Securities available-for-sale							$	(124,747	)							$	(115,401	)
Cash flow hedge derivatives								1,214									2,527
Total							$	(123,533	)							$	(112,874	)

19. Stock Repurchase Program

On February 21, 2023, the Company completed its May 2022 stock buyback program by repurchasing 375,090 shares at an average cost of $44.20 in the first quarter of 2023, for a total of $16.6 million.

20. Subsequent Events

The Company has evaluated the effect of events that have occurred subsequent to September 30, 2023, through the date of issuance of the Consolidated Financial Statements, and, based on such evaluation, the Company believes that there have been no material events during such period that would require recognition in the Consolidated Financial Statements or disclosure in the Notes to the Consolidated Financial Statements.

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

The following discussion is based on the assumption that the reader has access to and has read the Company’s Annual Report on Form 10-K for the year ended December 31, 2022.

Critical Accounting Policies

The discussion and analysis of the Company’s financial condition and results of operations are based upon its unaudited Consolidated Financial Statements, which have been prepared in accordance with accounting principles generally accepted in the United States of America. The preparation of these 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 the Consolidated Financial Statements. Actual results may differ from these estimates under different assumptions or conditions.

Critical accounting policies involve significant judgments, assumptions and uncertainties and are essential to understanding the Company’s results of operations and financial condition. Management of the Company considers the following to be critical accounting policies:

Accounting for the allowance for loan losses involves significant judgments and assumptions by management, which have a material impact on, among other things, the carrying value of net loans. The judgments and assumptions used by management are based on historical experience and other factors, which are believed to be reasonable under the circumstances as described in “Allowance for Credit Losses” under “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Critical Accounting Policies” in the 2022 Form 10-K. For more information, please also see Note 3 to the Company’s unaudited Consolidated Financial Statements.

Highlights

● Total deposits increased by $538.6 million, or 11.6% annualized, to $19.64 billion in the third quarter of 2023.

● The gross loans increased by $71.0 million, or 1.6% annualized, to $19.02 billion in the third quarter of 2023.

● Diluted earnings per share decreased to $1.13 for the third quarter 2023 compared to $1.28 for the second quarter of 2023 due in part to changes in equity securities valuations.

● Our net interest margin declined slightly from 3.44% in the second quarter to 3.38% in the third quarter.

Quarterly Statement of Operations Review

Net Income

Net income for the quarter ended September 30, 2023, was $82.4 million, a decrease of $16.6 million, or 16.8%, compared to net income of $99.0 million for the same quarter a year ago. Diluted earnings per share for the quarter ended September 30, 2023, was $1.13 per share compared to $1.33 per share for the same quarter a year ago.

Return on average stockholders’ equity was 12.36% and return on average assets was 1.42% for the quarter ended September 30, 2023, compared to a return on average stockholders’ equity of 15.94% and a return on average assets of 1.81% for the same quarter a year ago.

Financial Performance

	Three months ended
	September 30, 2023			September 30, 2022
Net income	$	82.4		$	99.0
Basic earnings per common share	$	1.14		$	1.34
Diluted earnings per common share	$	1.13		$	1.33
Return on average assets		1.42	%		1.81	%
Return on average total stockholders' equity		12.36	%		15.94	%
Efficiency ratio		48.57	%		36.35	%

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Net Interest Income Before Provision for Credit Losses

Net interest income before provision for credit losses decreased $11.9 million, or 6.0%, to $185.6 million during the third quarter of 2023, compared to $197.5 million during the same quarter a year ago. The decrease was due primarily to an increase in interest expense from deposits offset by an increase in interest income from loans and securities.

The net interest margin was 3.38% for the third quarter of 2023 compared to 3.83% for the third quarter of 2022 and 3.44% for the second quarter of 2023.

For the third quarter of 2023, the yield on average interest-earning assets was 5.89%, the cost of funds on average interest-bearing liabilities was 3.33%, and the cost of interest-bearing deposits was 3.23%. In comparison, for the third quarter of 2022, the yield on average interest-earning assets was 4.38%, the cost of funds on average interest-bearing liabilities was 0.78%, and the cost of interest-bearing deposits was 0.69%. The increase in the yield on average interest-earning assets resulted mainly from higher interest rates. The net interest spread, defined as the difference between the yield on average interest-earning assets and the cost of funds on average interest-bearing liabilities, was 2.56% for the quarter ended September 30, 2023 compared to 3.60% for the same quarter a year ago.

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The following table sets forth information concerning average interest-earning assets, average interest-bearing liabilities, and the average yields and rates paid on those assets and liabilities for the three months ended September 30, 2023, and 2022. Average outstanding amounts included in the table are daily averages.

	Interest-Earning Assets and Interest-Bearing Liabilities
	Three Months Ended September 30,
	2023								2022
				Interest		Average						Interest		Average
	Average			Income/		Yield/			Average			Income/		Yield/
	Balance			Expense		Rate (1)(2)			Balance			Expense		Rate (1)(2)
	(In thousands)
Interest-earning assets:
Total loans (1)	$	18,959,444		$	293,108		6.13	%	$	17,923,495		$	211,541		4.68	%
Investment securities		1,530,767			12,698		3.29			1,364,013			7,483		2.18
Federal Home Loan Bank stock		19,141			355		7.35			18,756			258		5.46
Deposits with banks		1,273,751			17,307		5.39			1,178,261			6,732		2.27
Total interest-earning assets		21,783,103			323,468		5.89			20,484,525			226,014		4.38
Non-interest earning assets:
Cash and due from banks		178,217								174,298
Other non-earning assets		1,200,260								1,156,141
Total non-interest earning assets		1,378,477								1,330,439
Less: Allowance for loan losses		(154,529	)							(150,064	)
Deferred loan fees		(9,624	)							(6,040	)
Total assets	$	22,997,427							$	21,658,860
Interest-bearing liabilities:
Interest-bearing demand accounts	$	2,405,011		$	11,997		1.98		$	2,508,526		$	1,913		0.30
Money market accounts		3,036,445			22,824		2.98			5,153,566			11,740		0.90
Savings accounts		1,151,615			3,386		1.17			1,151,126			218		0.08
Time deposits		9,145,176			90,022		3.91			5,013,213			10,218		0.81
Total interest-bearing deposits		15,738,247			128,229		3.23			13,826,431			24,089		0.69
Other borrowings		586,824			7,873		5.32			498,234			2,941		2.34
Long-term debt		119,136			1,726		5.75			119,136			1,455		4.85
Total interest-bearing liabilities		16,444,207			137,828		3.33			14,443,801			28,485		0.78
Non-interest bearing liabilities:
Demand deposits		3,603,779								4,456,214
Other liabilities		305,435								293,653
Total equity		2,644,006								2,465,192
Total liabilities and equity	$	22,997,427							$	21,658,860
Net interest spread							2.56	%							3.60	%
Net interest income				$	185,640							$	197,529
Net interest margin							3.38	%							3.83	%

(1) Yields and amounts of interest earned include loan fees. Non-accrual loans are included in the average balance.

(2) Calculated by dividing net interest income by average outstanding interest-earning assets.

47

The following table summarizes the changes in interest income and interest expense attributable to changes in volume and changes in interest rates for the three months ended September 30, 2023 and 2022:

Taxable-Equivalent Net Interest Income — Changes Due to Volume and Rate(1)
	Three Months Ended September 30,
	2023-2022
	Increase/(Decrease) in
	Net Interest Income Due to
	Changes in Volume			Changes in Rate			Total Change
	(In thousands)
Interest-earning assets:
Loans	$	12,822		$	68,745		$	81,567
Investment securities		1,005			4,210			5,215
Federal Home Loan Bank stock		5			92			97
Deposits with other banks		587			9,988			10,575
Total changes in interest income		14,419			83,035			97,454
Interest-bearing liabilities:
Interest-bearing demand accounts		(81	)		10,164			10,083
Money market accounts		(6,437	)		17,521			11,084
Savings accounts		—			3,169			3,169
Time deposits		14,134			65,670			79,804
Other borrowed funds		605			4,327			4,932
Long-term debts		—			271			271
Total changes in interest expense		8,221			101,122			109,343
Changes in net interest income	$	6,198		$	(18,087	)	$	(11,889	)

(1)  Changes in interest income and interest expense attributable to changes in both volume and rate have been allocated proportionately to changes due to volume and changes due to rate.

Provision for credit losses

The Company recorded a provision for credit losses of $7.0 million in the third quarter of 2023 compared with $2.0 million in the third quarter of 2022 and $9.2 million in the second quarter of 2023. As of September 30, 2023, the allowance for credit losses, comprised of the reserve for loan losses and the reserve for unfunded loan commitments, increased $10.8 million to $166.0 million, or 0.87% of gross loans, compared to $155.2 million, or 0.85% of gross loans, as of December 31, 2022. The change in the allowance for credit losses during the third quarter of 2023 consisted of $7.0 million provision for credit losses, and $6.6 million in net charge-offs.

48

The following table sets forth the charge-offs and recoveries for the periods indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(In thousands)
Charge-offs:
Commercial loans	$	6,254	$	2,091	$	12,517	$	2,362
Real estate loans (1)		1,221		137		5,341		138
Installment and other loans		8		—		15		—
Total charge-offs		7,483		2,228		17,873		2,500
Recoveries:
Commercial loans		611		1,576		1,564		2,109
Construction loans		—		—		—		6
Real estate loans (1)		261		95		2,862		336
Total recoveries		872		1,671		4,426		2,451
Net charge-offs	$	6,611	$	557	$	13,447	$	49

(1) Real estate loans include commercial mortgage loans, residential mortgage loans, and equity lines.

Non-Interest Income

Non-interest income, which includes revenues from depository service fees, letters of credit commissions, securities gains (losses), wealth management fees, and other sources of fee income, was $7.8 million for the third quarter of 2023, a decrease of $2.1 million, or 21.2%, compared to $9.9 million for the third quarter of 2022. The decrease was primarily due to an increase of $2.6 million in unrealized loss on equity securities offset, in part, by an increase of $1.0 million in Wealth Management fees, when compared to the same quarter a year ago.

Non-Interest Expense

Non-interest expense increased $18.6 million, or 24.7%, to $94.0 million in the third quarter of 2023 compared to $75.4 million in the same quarter a year ago. The increase in non-interest expense in the third quarter of 2023 was primarily due to an increase of  $11.2 million in amortization expense of investments in low-income housing and alternative energy partnerships, an increase of $4.1 million in salaries and employee benefits and an increase of $1.6 million in professional services when compared to the same quarter a year ago. The efficiency ratio was 48.57% in the third quarter of 2023 compared to 36.35% for the same quarter a year ago.

Income Taxes

The effective tax rate for the third quarter of 2023 was 11.0% compared to 23.8% for the third quarter of 2022. The effective tax rate includes the impact of alternative energy investments and low-income housing tax credits.

Year-to-Date Statement of Operations Review

Net income for the nine months ended September 30, 2023, was $271.6 million, an increase of $8.6 million, or 3.3%, compared to net income of $263.0 million for the same period a year ago. Diluted earnings per share was $3.73 compared to $3.50 per share for the same period a year ago. The net interest margin for the nine months ended September 30, 2023, was 3.52% compared to 3.54% for the same period a year ago.

Return on average stockholders’ equity was 14.04% and return on average assets was 1.61% for the nine months ended September 30, 2023, compared to a return on average stockholders’ equity of 14.35% and a return on average assets of 1.66% for the same period a year ago. The efficiency ratio for the nine months ended September 30, 2023, was 44.64% compared to 38.54% for the same period a year ago.

49

The following table sets forth information concerning average interest-earning assets, average interest-bearing liabilities, and the average yields and rates paid on those assets and liabilities for the nine months ended September 30, 2023, and 2022. Average outstanding amounts included in the table are daily averages.

	Interest-Earning Assets and Interest-Bearing Liabilities
	Nine Months Ended September 30,
	2023								2022
				Interest		Average						Interest		Average
	Average			Income/		Yield/			Average			Income/		Yield/
	Balance			Expense		Rate (1)(2)			Balance			Expense		Rate (1)(2)
	(In thousands)
Interest-earning assets:
Total loans (1)	$	18,572,222		$	827,765		5.96	%	$	17,468,247		$	558,657		4.28	%
Investment securities		1,546,951			36,832		3.18			1,263,341			18,059		1.91
Federal Home Loan Bank stock		18,290			957		7.00			17,757			774		5.83
Interest-bearing deposits		1,145,398			43,405		5.07			1,332,491			10,003		1.00
Total interest-earning assets		21,282,861			908,959		5.71			20,081,836			587,493		3.91
Non-interest earning assets:
Cash and due from banks		208,618								169,394
Other non-earning assets		1,167,992								1,102,206
Total non-interest earning assets		1,376,610								1,271,600
Less: Allowance for loan losses		(148,749	)							(144,284	)
Deferred loan fees		(7,608	)							(5,234	)
Total assets	$	22,503,114							$	21,203,918
Interest-bearing liabilities:
Interest-bearing demand accounts	$	2,361,732		$	27,656		1.57	%	$	2,456,556		$	3,206		0.17	%
Money market accounts		3,152,703			59,236		2.51			5,088,227			22,078		0.58
Savings accounts		1,056,234			5,791		0.73			1,137,485			610		0.07
Time deposits		8,728,133			234,171		3.59			5,060,286			22,002		0.58
Total interest-bearing deposits		15,298,802			326,854		2.86			13,742,554			47,896		0.47
Other borrowings		473,114			17,776		5.02			209,679			3,396		2.17
Long-term debt		119,136			4,721		5.30			119,136			4,318		4.85
Total interest-bearing liabilities		15,891,052			349,351		2.94			14,071,369			55,610		0.53
Non-interest bearing liabilities:
Demand deposits		3,741,982								4,403,195
Other liabilities		283,532								278,704
Total equity		2,586,548								2,450,650
Total liabilities and equity	$	22,503,114							$	21,203,918
Net interest spread							2.77	%							3.38	%
Net interest income				$	559,608							$	531,883
Net interest margin							3.52	%							3.54	%

(1) Yields and amounts of interest earned include loan fees. Non-accrual loans are included in the average balance.

(2) Calculated by dividing net interest income by average outstanding interest-earning assets.

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The following table summarizes the changes in interest income and interest expense attributable to changes in volume and changes in interest rates for the nine months ended September 30, 2023 and 2022:

Taxable-Equivalent Net Interest Income — Changes Due to Volume and Rate(1)
	Nine Months Ended September 30,
	2023-2022
	Increase/(Decrease) in
	Net Interest Income Due to
	Changes in Volume			Changes in Rate		Total Change
	(In thousands)
Interest-earning assets:
Loans	$	37,229		$	231,879	$	269,108
Investment securities		4,735			14,038		18,773
Federal Home Loan Bank stock		24			159		183
Deposits with other banks		(1,603	)		35,005		33,402
Total changes in interest income		40,385			281,081		321,466
Interest-bearing liabilities:
Interest-bearing demand accounts		(129	)		24,580		24,451
Money market accounts		(11,307	)		48,464		37,157
Savings accounts		(47	)		5,228		5,181
Time deposits		26,086			186,083		212,169
Other borrowed funds		7,013			7,367		14,380
Long-term debts		—			403		403
Total changes in interest expense		21,616			272,125		293,741
Changes in net interest income	$	18,769		$	8,956	$	27,725

(1) Changes in interest income and interest expense attributable to changes in both volume and rate have been allocated proportionately to changes due to volume and changes due to rate.

Balance Sheet Review

Assets

Total assets were $22.84 billion as of September 30, 2023 an increase of $0.89 billion or 4.1% from $21.95 billion as of December 31, 2022.

Securities Available-for-Sale

Effective January 1, 2021, upon the adoption of ASU 2016-13, Financial Instruments - Credit Losses, debt securities available-for-sale are measured at fair value and subject to impairment testing. When an available-for-sale debt security is considered impaired, the Company must determine if the decline in fair value has resulted from a credit-related loss or other factors and then, (1) recognize an allowance for credit losses by a charge to earnings for the credit-related component (if any) of the decline in fair value, and (2) recognize in other comprehensive income (loss) any non-credit related components of the fair value change. If the amount of the amortized cost basis expected to be recovered increases in a future period, the valuation reserve would be reduced, but not more than the amount of the current existing reserve for that security.

For available-for-sale (“AFS”) debt securities in an unrealized loss position, the Company first assesses whether it intends to sell, or it is more likely than not that it will be required to sell the security before recovery of its amortized cost basis. If either of the criteria regarding intent or requirement to sell is met, the security’s amortized cost basis is written down to fair value. For AFS debt securities that do not meet the aforementioned criteria, the Company evaluates whether the decline in fair value has resulted from credit losses or other factors with the credit component of the unrealized loss of the impaired AFS debt security recognized as an allowance for credit losses, and a corresponding provision for credit losses on the consolidated statement of income.

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In making this assessment, management considers the extent to which fair value is less than amortized cost, the payment structure of the security, failure of the issuer of the security to make scheduled interest or principal payments, any changes to the rating of the security by a rating agency, and adverse conditions specifically related to the security, among other factors. If this assessment indicates that a credit loss exists, the present value of cash flows expected to be collected from the security are compared to the amortized cost basis of the security. Any fair value changes that have not been recorded through an allowance for credit losses is recognized in other comprehensive income.

Losses are charged against the allowance when management believes the uncollectability of an AFS debt security is confirmed or when either of the criteria regarding intent or requirement to sell is met. Changes in the allowance for credit losses are recorded as provision for credit loss expense.

The amortized cost of the Company’s AFS debt securities exclude accrued interest, which is included in “accrued interest income” on the Consolidated Balance Sheets. The Company has made an accounting policy election not to measure an allowance for credit losses for accrued interest receivables on AFS debt securities since the Company timely reverses any previously accrued interest when the debt security remains in default for an extended period. As each AFS debt security has a unique security structure, where the accrual status is clearly determined when certain criteria listed in the terms are met, the Company assesses the default status of each security as defined by the debt security’s specific security structure. At September 30, 2023, no AFS debt securities were in default.

In the current period, management evaluated the securities in an unrealized loss position and determined that their unrealized losses were a result of the level of market interest rates relative to the types of securities and pricing changes caused by shifting supply and demand dynamics and not a result of downgraded credit ratings or other indicators of deterioration of the underlying issuers' ability to repay. Accordingly, we determined the unrealized losses were not credit-related and recognized the unrealized losses in "other comprehensive income" in stockholders' equity. Although we periodically sell securities for portfolio management purposes, we do not foresee having to sell any impaired securities strictly for liquidity needs and believe that it is more likely than not we would not be required to sell any impaired securities before recovery of their amortized cost.

Securities available-for-sale represented 6.6% of total assets as of September 30, 2023, compared to 6.8% of total assets as of December 31, 2022. Securities available-for-sale were $1.51 billion as of September 30, 2023, compared to $1.47 billion as of December 31, 2022.

Securities available-for-sale having a carrying value of $132.2 million as of September 30, 2023, and $145.7 million as of December 31, 2022, were pledged to secure public deposits and other borrowings.

Loans

Gross loans were $19.02 billion at September 30, 2023, an increase of 769.8 million, or 4.2%, from $18.25 billion at December 31, 2022. The increase was primarily due to an increase of $718.1 million, or 8.2% in commercial mortgage loans, and an increase of $432.9 million, or 8.2% in residential mortgage loans, offset, in part, by a decrease of $228.2 million, or 6.9%, in commercial loans, a decrease of $85.1 million, or 15.2% in real estate construction loans and a decrease of $70.7 million, or 21.8% in equity lines. 

The loan balances and composition at September 30, 2023, compared to December 31, 2022 are set forth below:

	September 30, 2023			% of Gross Loans			December 31, 2022			% of Gross Loans			% Change
	(in thousands)
Commercial loans	$	3,090,609			16.2	%	$	3,318,778			18.2	%		(6.9	%)
Real estate construction loans		474,294			2.5			559,372			3.1			(15.2	)
Commercial mortgage loans		9,511,805			50.1			8,793,685			48.2			8.2
Residential mortgage loans and equity lines		5,939,670			31.2			5,577,500			30.5			6.5
Installment and other loans		7,444			—			4,689			—			58.8
Gross loans	$	19,023,822			100	%	$	18,254,024			100	%		4.2	%
Allowance for loan losses		(154,619	)					(146,485	)					5.6
Unamortized deferred loan fees		(9,521	)					(6,641	)					43.4
Total loans, net	$	18,859,682					$	18,100,898						4.2	%

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Non-performing Assets

Non-performing assets include loans past due 90 days or more and still accruing interest, non-accrual loans, and OREO. Our policy is to place loans on non-accrual status if interest and/or principal is past due 90 days or more, or in cases where management deems the full collection of principal and interest unlikely. After a loan is placed on non-accrual status, any previously accrued but unpaid interest is reversed and charged against current income and subsequent payments received are generally first applied towards the outstanding principal balance of the loan. Depending on the circumstances, management may elect to continue the accrual of interest on certain past due loans if partial payment is received and/or the loan is well collateralized and in the process of collection. The loan is generally returned to accrual status when the borrower has brought the past due principal and interest payments current and, in the opinion of management, the borrower has demonstrated the ability to make future payments of principal and interest as scheduled.

Management reviews the loan portfolio regularly to seek to identify problem loans. During the ordinary course of business, management may become aware of borrowers that may not be able to meet the contractual requirements of their loan agreements. Such loans generally are placed under closer supervision with consideration given to placing the loans on non-accrual status, the need for an additional allowance for loan losses, and (if appropriate) partial or full charge-off.

The ratio of non-performing assets to total assets was 0.41% as of September 30, 2023, compared to 0.39% as of December 31, 2022. Total non-performing assets increased $9.2 million, or 10.9% to $93.7 million at September 30, 2023, compared to $84.5 million at December 31, 2022, primarily due to an increase of $10.3 million, or 254.2%, in OREO and an increase of $8.5 million, or 12.3%, in non-accrual loans, offset by, a decrease of  $9.7 million, or 83.6%, in accruing loans past due 90 days or more.

As a percentage of gross loans, excluding loans held for sale, plus OREO, our non-performing assets were 0.49% as of September 30, 2023, compared to 0.46% as of December 31, 2022. The non-performing loan portfolio coverage ratio, defined as the allowance for credit losses to non-performing loans, increased to 209.5% as of September 30, 2023, from 193.0% as of December 31, 2022.

53

The following table sets forth the changes in non-performing assets and accruing modifications to borrowers experiencing financial difficulties as of September 30, 2023, compared to December 31, 2022, and to September 30, 2022 and TDRs as of December 31, 2022, and September 30, 2022:

	September 30, 2023			December 31, 2022			% Change			September 30, 2022			% Change
	(in thousands)
Non-performing assets
Accruing loans past due 90 days or more	$	1,924		$	11,580			(83	)	$	3,172			(39	)
Non-accrual loans:
Construction loans		16,992			—			—			—			—
Commercial mortgage loans		32,539			34,096			(5	)		26,911			21
Commercial loans		14,661			25,772			(43	)		26,604			(45	)
Residential mortgage loans		13,138			8,978			46			14,601			(10	)
Installment and other loans		—			8			(100	)		9			(100	)
Total non-accrual loans	$	77,330		$	68,854			12		$	68,125			14
Total non-performing loans		79,254			80,434			(1	)		71,297			11
Other real estate owned		14,407			4,067			254			4,067			254
Total non-performing assets	$	93,661		$	84,501			11		$	75,364			24
Accruing loan modifications to borrowers experiencing financial difficulties (1)	$	1,489		$	—			—		$	—			—
Accruing troubled debt restructurings (TDRs)	$	—		$	15,145			(100	)	$	15,208			(100	)
Allowance for loan losses	$	154,619		$	146,485			6		$	148,817			4
Allowance for unfunded loan commitments	$	11,405		$	8,730			31		$	7,535			51
Total gross loans outstanding, at period-end	$	19,023,822		$	18,254,024			4		$	18,106,803			5
Allowance for loan losses to non-performing loans, at period-end		195.09	%		182.12	%					208.73	%
Allowance for credit losses to non-performing loans, at period-end		209.48	%		192.97	%					219.30	%
Allowance for loan losses to gross loans, at period-end		0.81	%		0.80	%					0.82	%

   (1)  Current period modifications to borrowers experiencing financial difficulties are reported in accordance with the new guidance under ASU 2022-02.

54

Non-accrual Loans

As of September 30, 2023, total non-accrual loans were $77.3 million, an increase of $8.4 million, or 12.2%, from $68.9 million at December 31, 2022, and an increase of $9.2 million, or 13.5%, from $68.1 million at September 30, 2022. The allowance for the collateral-dependent loans is calculated based on the difference between the outstanding loan balance and the value of the collateral as determined by recent appraisals, sales contracts, or other available market price information, less cost to sell. The allowance for collateral-dependent loans varies from loan to loan based on the collateral coverage of the loan at the time of designation as non-performing. We continue to monitor the collateral coverage of these loans, based on recent appraisals, on a quarterly basis and adjust the allowance accordingly.

The following tables set forth the type of properties securing the non-accrual portfolio loans and the type of businesses the borrowers engaged in as of the dates indicated:

	September 30, 2023				December 31, 2022
	Real				Real
	Estate (1)		Commercial		Estate (1)		Commercial
	(In thousands)
Type of Collateral
Single/multi-family residence	$	15,505	$	3,695	$	9,215	$	1,998
Commercial real estate		47,164		—		33,859		—
Land		—		—		—		2,518
Personal property (UCC)		—		10,966		8		21,256
Total	$	62,669	$	14,661	$	43,082	$	25,772

(1) Real estate includes commercial mortgage loans, real estate construction loans, residential mortgage loans, equity lines and installment & other loans.

	September 30, 2023				December 31, 2022
	Real				Real
	Estate (1)		Commercial		Estate (1)		Commercial
	(In thousands)
Type of Business
Real estate development	$	36,423	$	—	$	32,206	$	50
Wholesale/Retail		13,121		13,354		1,907		11,628
Food/Restaurant		76		132		85		479
Import/Export		—		1,175		—		13,382
Other		13,049		—		8,884		233
Total	$	62,669	$	14,661	$	43,082	$	25,772

(1) Real estate includes commercial mortgage loans, real estate construction loans, residential mortgage loans, equity lines and installment & other loans.

55

For non-accrual loans, the amounts previously charged-off represent 6.2% of the contractual balances for non-accrual loans as of September 30, 2023 and 14.1% as of December 31, 2022. As of September 30, 2023, $62.7 million, or 81.1%, of the $77.3 million of non-accrual loans were secured by real estate compared to $43.1 million, or 62.6%, of the $68.9 million of non-accrual loans that were secured by real estate as of December 31, 2022. The Bank generally seeks to obtain current appraisals, sales contracts, or other available market price information intended to provide updated factors in evaluating potential loss.

As of September 30, 2023, $4.2 million of the $154.6 million allowance for loan losses was allocated for non-accrual loans and $150.4 million was allocated to the general allowance.

The allowance for loan losses to non-performing loans was 195.1% as of September 30, 2023, compared to 182.1% as of December 31, 2022, primarily due to a decrease in the loans past due 90 days or more still accruing. After January 1, 2023, non-accrual loans also include those modified loans to borrowers experiencing financial difficulty that do not qualify for accrual status. Prior to January 1, 2023 non-accrual loans also include those TDRs that do not qualify for accrual status.

Loan Interest Reserves

In accordance with customary banking practice, construction loans and land development loans generally are originated where interest on the loan is disbursed from pre-established interest reserves included in the total original loan commitment. Our construction loans and land development loans generally include optional renewal terms after the maturity of the initial loan term. New appraisals are obtained prior to extension or renewal of these loans in part to determine the appropriate interest reserve to be established for the new loan term. Loans with interest reserves are generally underwritten to the same criteria, including loan to value and, if applicable, pro forma debt service coverage ratios, as loans without interest reserves. Construction loans with interest reserves are monitored on a periodic basis to gauge progress towards completion. Interest reserves are frozen if it is determined that additional draws would result in a loan to value ratio that exceeds policy maximums based on collateral property type. Our policy limits in this regard are consistent with supervisory limits and range from 50% in the case of land to 85% in the case of one to four family residential construction projects.

As of September 30, 2023, construction loans of $299.3 million were disbursed with pre-established interest reserves of $42.9 million, compared to $443.9 million with pre-established interest reserves of $54.5 million at December 31, 2022.  The balance for construction loans with interest reserves that have been extended was $1.5 million with pre-established interest reserves of $0.5 million at September 30, 2023, compared to $34.4 million with pre-established interest reserves of $1.0 million at December 31, 2022.  Land loans of $16.3 million were disbursed with pre-established interest reserves of $0.9 million at September 30, 2023, compared to $48.6 million of land loans disbursed with pre-established interest reserves of $1.6 million at December 31, 2022.  There were no land loans with interest reserves which have been extended as of September 30, 2023, compared to $0.9 million in land loans with interest reserves which have been extended with pre-established interest reserves of $58 thousand at December 31, 2022.

At September 30, 2023 and December 31, 2022, the Bank had no loans on non-accrual status with available interest reserves.  At September 30, 2023 and December 31, 2022, there were zero non-accrual non-residential construction loans, residential construction loans, or land loans that were originated with pre-established interest reserves.  While we typically expect loans with interest reserves to be repaid in full according to the original contractual terms, some loans may require one or more extensions beyond the original maturity before full repayment.  Typically, these extensions are required due to construction delays, delays in the sale or lease of the property, or some combination of these two factors.

Loan Concentration

Most of the Company’s business activities are with clients located in the high-density Asian-populated areas of Southern and Northern California; New York City, New York; Dallas and Houston, Texas; Seattle, Washington; Boston, Massachusetts; Chicago, Illinois; Edison, New Jersey; Rockville, Maryland; and Las Vegas, Nevada. The Company also has loan clients in Hong Kong. The Company has no specific industry concentration, and generally our loans are collateralized with real property or other pledged collateral of the borrowers. The Company generally expects loans to be paid off from the operating profits of the borrowers, refinancing by another lender, or through sale by the borrowers of the collateral. There were no loan concentrations to multiple borrowers in similar activities that exceeded 10% of total loans as of September 30, 2023, or as of December 31, 2022.

56

The federal banking regulatory agencies issued final guidance on December 6, 2006, regarding risk management practices for financial institutions with high or increasing concentrations of commercial real estate (“CRE”) loans on their balance sheets. The regulatory guidance reiterates the need for sound internal risk management practices for those institutions that have experienced rapid growth in CRE lending, have notable exposure to specific types of CRE, or are approaching or exceeding the supervisory criteria used to evaluate the CRE concentration risk, but the guidance is not to be construed as a limit for CRE exposure. The supervisory criteria are: (1) total reported loans for construction, land development, and other land represent 100% of the institution’s total risk-based capital, and (2) both total CRE loans represent 300% or more of the institution’s total risk-based capital and the institution’s CRE loan portfolio has increased 50% or more within the last thirty-six months. The Bank’s loans for construction, land development, and other land represented 22% and 27% of the Bank’s total risk-based capital as of September 30, 2023, and December 31, 2022, respectively. Total CRE loans represented 289.1% of total risk-based capital as of September 30, 2023, and 287.1% as of December 31, 2022 which were within the Bank’s internal limit of 400%, of total capital.

Allowance for Credit Losses

The Bank maintains the allowance for credit losses at a level that the Bank’s management considers appropriate to cover the estimated and known risks in the loan portfolio and off-balance sheet unfunded credit commitments. Allowance for credit losses is comprised of the allowance for loan losses and for off-balance sheet unfunded credit commitments. With this risk management objective, the Bank’s management has an established monitoring system that is designed to identify individually evaluated and potential problem loans, and to permit periodic evaluation of impairment and the appropriate level of the allowance for credit losses in a timely manner.

In addition, the Company’s Board of Directors has established a written credit policy that includes a credit review and control system that it believes should be effective in ensuring that the Bank maintains an appropriate allowance for credit losses. The Board of Directors provides oversight for the allowance evaluation process, including quarterly evaluations, and determines whether the allowance is appropriate to absorb losses in the credit portfolio. The determination of the amount of the allowance for credit losses and the provision for credit losses are based on management’s current judgment about the credit quality of the loan portfolio and take into consideration known relevant internal and external factors that affect collectability when determining the appropriate level for the allowance for credit losses. The nature of the process by which the Bank determines the appropriate allowance for credit losses requires the exercise of considerable judgment. Additions or reductions to the allowance for credit losses are made by charges or credits to the provision for credit losses. While management utilizes its business judgment based on the information available, the ultimate appropriateness of the allowance is dependent upon a variety of factors, many of which are beyond the Bank’s control, including but not limited to the performance of the Bank’s loan portfolio, the economy and market conditions, changes in interest rates, and the view of the regulatory authorities toward loan classifications. Identified credit exposures that are determined to be uncollectible are charged against the allowance for credit losses. Recoveries of previously charged off amounts, if any, are credited to the allowance for credit losses. A weakening of the economy or other factors that adversely affect asset quality could result in an increase in the number of delinquencies, bankruptcies, or defaults, and a higher level of non-performing assets, net charge-offs, and provision for credit losses.

The allowance for loan losses was $154.6 million and the allowance for off-balance sheet unfunded credit commitments was $11.4 million at September 30, 2023, which represented the amount estimated by management to be appropriate to absorb expected credit losses inherent in the loan portfolio, including unfunded credit commitments. The allowance for credit losses, which is the sum of the allowances for loan losses and for off-balance sheet unfunded credit commitments, was $166.0 million at September 30, 2023, compared to $155.2 million at December 31, 2022. The allowance for credit losses represented 0.87% of period-end gross loans and 209.5% of non-performing loans at September 30, 2023. The comparable ratios were 0.85% of period-end gross loans and 193.0% of non-performing loans at December 31, 2022.

Critical Accounting Policies and Estimates

Our accounting policies are fundamental to understanding management’s discussion and analysis of results of operations and financial condition. We identify critical policies and estimates as those that require management to make particularly difficult, subjective, and/or complex judgments about matters that are inherently uncertain and because of the likelihood that materially different amounts would be reported under different conditions or using different assumptions. We have identified the policy and estimates related to the allowance for credit losses on loans as a critical accounting policy.

Our critical accounting policies and estimates are described in Item 7 - Management’s Discussion and Analysis of Financial Condition and Results of Operations included in the 2022 Form 10-K. For more information, please also see Note 3 to the Company’s unaudited Consolidated Financial Statements.

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Expected Credit Losses Estimate for Loans

The allowance for credit losses is the combination of the allowance for loan losses and the reserve for unfunded loan commitments. The allowance for loan losses is reported as a reduction of the amortized cost basis of loans, while the reserve for unfunded loan commitments is included within "Other liabilities" on the Consolidated Balance Sheets. The amortized cost basis of loans does not include interest receivable, which is included in "Other assets" on the Consolidated Balance Sheets. The "Provision for credit losses" on the Consolidated Statement of Operations and Comprehensive Income is a combination of the provision for loan losses and the provision for unfunded loan commitments.

Under the CECL methodology, expected credit losses reflect losses over the remaining contractual life of an asset, considering the effect of prepayments and available information about the collectability of cash flows, including information about relevant historical experience, current conditions, and reasonable and supportable forecasts of future events and circumstances. Thus, the CECL methodology incorporates a broad range of information in developing credit loss estimates. For further information regarding the calculation of the allowance for credit losses on loans held for investment using the CECL methodology, see Note 9 to the unaudited Consolidated Financial Statements contained in "Item 1. Consolidated Financial Statements."

In calculating our allowance for credit losses in the third quarter of 2023, the change in Moody’s forecast of future GDP, unemployment rates, CRE and home price indexes, did not result in a significant impact to the increase in the allowance for credit losses. The increase in the allowance for credit losses was primarily due to loan growth during the quarter. Our methodology and framework along with the 8-quarter reasonable and supportable forecast period and the 4-quarter reversion period have remained consistent since the implementation of CECL on January 1, 2021. Certain management assumptions are reassessed every quarter based on current expectations for credit losses, while other assumptions are assessed and updated on at least an annual basis.

The use of different economic forecasts, whether based on different scenarios, the use of multiple or single scenarios, or updated economic forecasts and scenarios, can change the outcome of the calculations. In addition to the economic forecasts, there are numerous components and assumptions that are integral to the overall estimation of allowance for credit losses.

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The determination of the allowance for credit losses is complex and dependent on numerous models, assumptions, and judgments made by management. Management's current expectation for credit losses as quantified in the allowance for credit losses, considers the impact of assumptions and is reflective of historical credit experience, economic forecasts viewed to be reasonable and supportable, current loan composition, and relative credit risks known as of the balance sheet date.

Under the Company’s CECL methodology, nine portfolio segments with similar risk characteristics are evaluated for expected loss. Six portfolios are modeled using econometric models and three smaller portfolios are evaluated using a simplified loss-rate method that calculates lifetime expected credit losses for the respective pools (simplified approach). The six portfolios subject to econometric modeling include residential mortgages; commercial and industrial loans (“C&I”); construction loans; commercial real estate (“CRE”) for multifamily loans; CRE for owner-occupied loans; and other CRE loans. We estimate the probability of default during the reasonable and supportable forecast period using separate econometric regression models developed to correlate macroeconomic variables, (GDP, unemployment, CRE prices and residential mortgage prices) to historical credit performance for each of the six loan portfolios from 2007 to the fourth quarter of 2022. Loss given default rates are computed based on the net charge-offs recognized and then applied to the expected exposure at default of defaulted loans starting with the fourth quarter of 2007 through the fourth quarter of 2022. The probability of default and the loss given default rates are applied to the expected amount at default at the loan level based on contractual scheduled payments and estimated prepayments. The amounts so calculated comprise the quantitative portion of the allowance for credit losses.

The Company’s CECL methodology utilizes an eight-quarter reasonable and supportable (“R&S”) forecast period, and a four-quarter reversion period. Management relies on multiple forecasts, blending them into a single loss estimate. Generally speaking, the blended scenario approach would include the Baseline, the Alternative Scenario 1 – Upside – 10th Percentile and the Alternative Scenario 3 – Downside – 90th Percentile forecasts. After the R&S period, the Company will revert straight-line for the four-quarter reversion period to the long-term loss rates for each of the six portfolios of loans. The contractual term excludes renewals and modifications but includes pre-approved extensions and prepayment assumptions where applicable.

Our allowance for credit losses is sensitive to a number of inputs, including macroeconomic forecast assumptions and credit rating migrations during the period. Our macroeconomic forecasts used in determining the September 30, 2023, allowance for credit losses consisted of three scenarios as provided by an outside forecaster. Because the December 2022 baseline scenario did not forecast a recession in the forecast period, we increased the weighting of the downside scenario to reflect our expectations that a recession in the forecast period was more likely than not. During the third quarter of 2023, in light of the continued strength of the economy, we reduced the weighting of the most severe scenario slightly. The baseline scenario reflects modest ongoing GDP growth and a modest increase in the unemployment rate peaking at 4.2% in the fourth quarter of 2024. Relative to the baseline scenario, the upside scenario reflects higher GDP growth and lower unemployment rates with the stronger economy resulting in slightly higher inflation, though the Federal Reserve is projected to cut the Fed funds rate starting in the third quarter of 2024. The downside scenario contemplates a recession due to the weakening economy as concerns about inflation keep the Fed funds rate elevated, decreasing to 4.7% in the first quarter of 2024, resulting in negative GDP growth for three quarters peaking at 3.6% in the second quarter of 2024, rising unemployment that peaks at 7.7% in the fourth quarter of 2024, a decline in CRE prices of 27.1% and a decline in residential home prices of 15.1% during the forecast period. As of September 30, 2023, we placed the same weight on our downside and base scenario, with a small weighting on the upside scenario.

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Keeping all other factors constant, we estimate that if we had applied 100% weighting to the downside scenario, the allowance for credit losses as of September 30, 2023, would have been approximately $37.3 million higher. This estimate is intended to reflect the sensitivity of the allowance for credit losses to changes in our scenario weights and is not intended to be indicative of future changes in the allowance for credit losses.

Management believes the allowance for credit losses is appropriate for the current expected credit losses in our loan portfolio and associated unfunded commitments, and the credit risk ratings and inherent loss rates currently assigned are reasonable and appropriate as of the reporting date. It is possible that others, given the same information, may at any point in time reach different conclusions that could result in a significant impact to the Company's financial statements.

The following table sets forth information relating to the allowance for loan losses, charge-offs, recoveries, and the reserve for off-balance sheet credit commitments for the periods indicated:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2023			2022			2023			2022
	(In thousands)
Allowance for loan losses
Balance at beginning of period	$	155,109		$	148,772		$	146,485		$	136,157
Provision for expected credit losses on loans		6,121			602			21,581			12,709
Charge-offs:
Commercial loans		(6,254	)		(2,091	)		(12,517	)		(2,362	)
Real estate loans		(1,221	)		(137	)		(5,341	)		(138	)
Installment and other loans		(8	)		—			(15	)		—
Total charge-offs		(7,483	)		(2,228	)		(17,873	)		(2,500	)
Recoveries:
Commercial loans		611			1,576			1,564			2,109
Construction loans		—			—			—			6
Real estate loans		261			95			2,862			336
Total recoveries		872			1,671			4,426			2,451
Balance at the end of period	$	154,619		$	148,817		$	154,619		$	148,817
Reserve for off-balance sheet credit commitments
Balance at beginning of period	$	10,525		$	6,136		$	8,730		$	7,100
Provision for expected credit losses on unfunded credit commitments		879			1,398			2,674			434
Balance at the end of period	$	11,404		$	7,534		$	11,404		$	7,534
Average loans outstanding during the period	$	18,959,444		$	17,923,495		$	18,572,222		$	17,468,247
Total gross loans outstanding, at period-end	$	19,023,822		$	18,106,803		$	19,023,822		$	18,106,803
Total non-performing loans, at period-end	$	79,254		$	71,297		$	79,254		$	71,297
Ratio of net charge-offs to average loans outstanding during the period		0.14	%		0.01	%		0.10	%		0.00	%
Provision for expected credit losses to average loans outstanding during the period		0.15	%		0.04	%		0.17	%		0.10	%
Allowance for credit losses to non-performing loans, at period-end		209.48	%		219.30	%		209.48	%		219.30	%
Allowance for credit losses to gross loans, at period-end		0.87	%		0.86	%		0.87	%		0.86	%

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The table set forth below reflects management’s allocation of the allowance for loan losses by loan category and the ratio of each loan category to the average gross loans as of the dates indicated:

	September 30, 2023					December 31, 2022
			Percentage of					Percentage of
			Loans in Each					Loans in Each
			Category					Category
			to Average					to Average
	Amount		Gross Loans			Amount		Gross Loans
	(In thousands)
Type of Loan:
Commercial loans	$	44,758		17.2	%	$	49,435		18.2	%
Real estate construction loans		15,111		2.9			10,417		3.4
Commercial mortgage loans		75,885		48.9			68,366		48.2
Residential mortgage loans and equity lines		18,809		31.0			18,232		30.2
Installment and other loans		56		0.0			35		0.0
Total loans	$	154,619		100	%	$	146,485		100	%

The allowance allocated to commercial loans decreased $4.6 million, or 9.3%, to $44.8 million at September 30, 2023, from $49.4 million at December 31, 2022. The decrease was mainly due to net charge-offs of $4.3 million which had been previously reserved for as of December 31, 2022. 

The allowance allocated to real estate construction loans increased $4.7 million, or 45.2% to $15.1 million at September 30, 2023, from $10.4 million at December 31, 2022. The increase is due primarily to a $4.2 million specific reserve recorded in the third quarter of 2023.

The allowance allocated to commercial mortgage loans increased $7.5 million, or 11.0%, to $75.9 million at September 30, 2023, from $68.4 million at December 31, 2022. The increase is due primarily to an increase in commercial mortgage loans.

The allowance allocated for residential mortgage loans and equity lines increased $0.6 million, or 3.3% to $18.8 million at September 30, 2023, compared to $18.2 million at December 31, 2022. The increase is due primarily to an increase in residential mortgage loans.

Deposits

Total deposits were $19.64 billion as of September 30, 2023, an increase of $1.13 billion, or 6.1% from $18.51 billion as of December 31, 2022.

Total uninsured deposits were $9.00 billion as of September 30, 2023, decreased approximately $0.21 billion, from $9.21 billion as of December 31, 2022. Excluding $0.79 billion in collateralized deposits, the uninsured and uncollateralized deposits of $8.20 billion was 41.8% of total deposits as of September 30, 2023. Our unused borrowing capacity from the Federal Home Loan Bank as of September 30, 2023 was $7.30 billion and unpledged securities at September 30, 2023 was $1.38 billion. These sources of available liquidity, including cash and short term investments, were more than 100% of uninsured and uncollateralized deposits as of September 30, 2023.

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The following table sets forth the deposit mix as of the dates indicated:

	September 30, 2023					December 31, 2022
	Amount		Percentage			Amount		Percentage
	(In thousands)
Deposits
Non-interest-bearing demand deposits	$	3,623,483		18.5	%	$	4,168,989		22.5	%
NOW deposits		2,454,878		12.5			2,509,736		13.6
Money market deposits		3,222,612		16.4			3,812,724		20.6
Savings deposits		1,131,352		5.8			1,000,460		5.4
Time deposits		9,203,263		46.9			7,013,370		37.9
Total deposits	$	19,635,588		100.0	%	$	18,505,279		100.0	%

The following table sets forth the maturity distribution of time deposits at September 30, 2023:

	At September 30, 2023
	Time Deposits -under $250,000			Time Deposits -$250,000 and over			Total Time Deposits
	(In thousands)
Three months or less	$	1,195,867		$	1,931,686		$	3,127,553
Over three to six months		1,584,336			2,102,983			3,687,319
Over six to twelve months		912,515			1,403,705			2,316,220
Over twelve months		29,375			42,796			72,171
Total	$	3,722,093		$	5,481,170		$	9,203,263
Percent of total deposits		19.0	%		27.9	%		46.9	%

FDIC Special Assessment and Uninsured Deposits

On May 11, 2023, the FDIC published a proposed rule that would impose a special deposit insurance assessment on banks in order to recover losses that the FDIC's Deposit Insurance Fund ("DIF") has incurred in the receiverships of failed institutions. The proposed rule would impose the special assessment for eight quarterly assessment periods beginning with the first quarter of 2024 assessment period, subject to adjustment if the total amount collected is insufficient to cover the DIF's cost. Each quarterly special assessment would be equal to 3.13 basis points (0.0313%) of a bank's estimated uninsured deposits that exceeded $5 billion as of December 31, 2022.

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Off-Balance-Sheet Arrangements and Contractual Obligations

The following table summarizes the Company’s contractual obligations to make future payments as of September 30, 2023. Payments for deposits and borrowings do not include interest. Payments related to leases are based on actual payments specified in the underlying contracts:

	Payment Due by Period
			More than		3 years or
			1 year but		more but
	1 year		less than		less than		5 years
	or less		3 years		5 years		or more		Total
	(In thousands)
Contractual obligations:
Deposits with stated maturity dates	$	9,131,092	$	69,917	$	2,229	$	25	$	9,203,263
Advances from the Federal Home Loan Bank		15,000		—		—		—		15,000
Other borrowings		—		—		—		22,374		22,374
Long-term debt		—		—		—		119,136		119,136
Operating leases		10,694		15,040		8,084		1,641		35,459
Total contractual obligations and other commitments	$	9,156,786	$	84,957	$	10,313	$	143,176	$	9,395,232

In the normal course of business, we enter into various transactions, which, in accordance with GAAP, are not included in our Consolidated Balance Sheets. We enter into these transactions to meet the financing needs of our clients. These transactions include commitments to extend credit and standby letters of credit, which involve, to varying degrees, elements of credit risk and interest rate risk in excess of the amounts recognized in the Consolidated Balance Sheets.

Loan Commitments - We enter into contractual commitments to extend credit, normally with fixed expiration dates or termination clauses, at specified rates and for specific purposes. Substantially all of our commitments to extend credit are contingent upon clients maintaining specific credit standards at the time of loan funding. We minimize our exposure to loss under these commitments by subjecting them to credit approval and monitoring procedures. Management assesses the credit risk associated with certain commitments to extend credit in determining the level of the allowance for credit losses.

Standby Letters of Credit - Standby letters of credit are written conditional commitments issued by us to secure the obligations of a client to a third party. In the event the client does not perform in accordance with the terms of an agreement with the third party, we would be required to fund the commitment. The maximum potential amount of future payments we could be required to make is represented by the contractual amount of the commitment. If the commitment is funded, we would be entitled to seek reimbursement from the client. Our policies generally require that standby letter of credit arrangements contain security and debt covenants similar to those contained in loan agreements.

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Capital Resources

Total equity was $2.64 billion as of September 30, 2023, an increase of $164.7 million, from $2.47 billion as of December 31, 2022, primarily due to net income of $271.6 million, stock-based compensation of $4.9 million, proceeds from dividend reinvestment of $2.7 million and stock issued to directors of $0.8 million, offset by, common stock cash dividends of $73.9 million, other comprehensive loss of $21.2 million, purchases of treasury stock of $16.7 million, and shares withheld related to net share settlement of RSUs of $3.5 million.

The following table summarizes changes in total equity for the nine months ended September 30, 2023:

	Nine Months Ended
	September 30, 2023
	(In thousands)
Net income	$	271,598
Proceeds from shares issued through the Dividend Reinvestment Plan		2,699
Shares withheld related to net share settlement of RSUs		(3,538	)
Purchase of treasury stock		(16,683	)
Stock issued to directors		850
RSU vested		1
Share-based compensation		4,945
Cash dividends paid to common stockholders		(73,938	)
Other comprehensive loss		(21,238	)
Net increase in total equity	$	164,696

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Capital Adequacy Review

Management seeks to retain our capital at a level sufficient to support future growth, protect depositors and stockholders, and comply with various regulatory requirements.

The following tables set forth actual and required capital ratios as of September 30, 2023 and December 31, 2022 for Bancorp and the Bank under the Basel III Capital Rules. Capital levels required to be considered well capitalized are based upon prompt corrective action regulations, as amended to reflect the changes under the Basel III Capital Rules. See the 2022 Form 10-K for a more detailed discussion of the Basel III Capital Rules.

	Actual				Minimum Capital Required - Basel III				Required to be Considered Well Capitalized
	Capital Amount		Ratio		Capital Amount		Ratio		Capital Amount		Ratio
	(In thousands)
September 30, 2023
Common Equity Tier 1 to Risk-Weighted Assets
Cathay General Bancorp	$	2,370,406		12.70	$	1,306,500		7.00	$	1,213,179		6.50
Cathay Bank		2,447,852		13.14		1,303,712		7.00		1,210,590		6.50
Tier 1 Capital to Risk-Weighted Assets
Cathay General Bancorp		2,370,406		12.70		1,586,465		8.50		1,493,143		8.00
Cathay Bank		2,447,852		13.14		1,583,079		8.50		1,489,956		8.00
Total Capital to Risk-Weighted Assets
Cathay General Bancorp		2,651,930		14.21		1,959,751		10.50		1,866,429		10.00
Cathay Bank		2,613,876		14.03		1,955,568		10.50		1,862,446		10.00
Leverage Ratio
Cathay General Bancorp		2,370,406		10.44		908,369		4.00		1,135,462		5.00
Cathay Bank		2,447,852		10.79		907,374		4.00		1,134,218		5.00

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	Actual				Minimum Capital Required - Basel III				Required to be Considered Well Capitalized
	Capital Amount		Ratio		Capital Amount		Ratio		Capital Amount		Ratio
	(In thousands)
December 31, 2022
Common Equity Tier 1 to Risk-Weighted Assets
Cathay General Bancorp	$	2,182,066		12.21	$	1,250,914		7.00	$	1,161,563		6.50
Cathay Bank		2,276,830		12.75		1,250,461		7.00		1,161,142		6.50
Tier 1 Capital to Risk-Weighted Assets
Cathay General Bancorp		2,182,066		12.21		1,518,967		8.50		1,429,616		8.00
Cathay Bank		2,276,830		12.75		1,518,417		8.50		1,429,098		8.00
Total Capital to Risk-Weighted Assets
Cathay General Bancorp		2,452,781		13.73		1,876,371		10.50		1,787,020		10.00
Cathay Bank		2,432,045		13.61		1,875,691		10.50		1,786,373		10.00
Leverage Ratio
Cathay General Bancorp		2,182,066		10.08		865,470		4.00		1,081,838		5.00
Cathay Bank		2,276,830		10.53		864,918		4.00		1,081,148		5.00

As of September 30, 2023, capital levels at Bancorp and the Bank exceed all capital adequacy requirements under the fully phased-in Basel III Capital Rules. Based on the ratios presented above, capital levels as of September 30, 2023 at Bancorp and the Bank exceed the minimum levels necessary to be considered “well capitalized.”

Dividend Policy

Holders of common stock are entitled to dividends as and when declared by our Board of Directors out of funds legally available for the payment of dividends. Although we have historically paid cash dividends on our common stock, we are not required to do so. We increased the common stock dividend from $0.24 per share in the fourth quarter of 2017, to $0.31 per share in the fourth quarter of 2018, to $0.34 per share in the fourth quarter of 2021. The amount of future dividends, if any, will depend on our earnings, financial condition, capital requirements and other factors, and will be determined by our Board of Directors. The terms of our Junior Subordinated Notes also limit our ability to pay dividends. If we are not current in our payment of dividends on our Junior Subordinated Notes, we may not pay dividends on our common stock.

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The Company declared a cash dividend of $0.34 per share on 72,563,613 shares outstanding on August 30, 2023, for distribution to holders of our common stock on September 11, 2023. The Company paid total cash dividends of $24.7 million in the third quarter of 2023.

Liquidity

Liquidity is our ability to maintain sufficient cash flow to meet maturing financial obligations and client credit needs, and to take advantage of investment opportunities as they are presented in the marketplace. Our principal sources of liquidity are growth in deposits, proceeds from the maturity or sale of securities and other financial instruments, repayments from securities and loans, Federal funds purchased, securities sold under agreements to repurchase, and advances from the FHLB. As of September 30, 2023, our average monthly liquidity ratio (defined as net cash plus short-term and marketable securities to net deposits and short-term liabilities) was 14.1% compared to 13.7% as of December 31, 2022.

The Bank is a shareholder of the FHLB, which enables the Bank to have access to lower-cost FHLB financing when necessary. At September 30, 2023, the Bank had an approved credit line with the FHLB of San Francisco totaling $8.05 billion. Total advances from the FHLB of San Francisco were $15.0 million and standby letters of credit issued by the FHLB on the Company’s behalf were $808.1 million as of September 30, 2023. These borrowings bear fixed rates and are secured by the Bank’s loans. See Note 11 to the Consolidated Financial Statements. At September 30, 2023, the Bank pledged $437.7 thousand of its commercial loans and $1.2 million of securities to the Federal Reserve Bank’s Discount Window under the Borrower-in-Custody program. The Bank had borrowing capacity of $1.5 million from the Federal Reserve Bank Discount Window at September 30, 2023.

Liquidity can also be provided through the sale of liquid assets, which consist of federal funds sold, securities purchased under agreements to resell, and securities available-for-sale. At September 30, 2023, investment securities totaled $1.51 billion, with $132.2 million pledged as collateral for borrowings and other commitments. The remaining balance was available as additional liquidity or to be pledged as collateral for additional borrowings. At September 30, 2023, $1.38 billion of unpledged treasuries, U.S. agency securities, U.S. agency mortgage-backed securities or CMO based on current cost are available for pledging to the Federal Reserve Bank’s Bank Term Funding Program.

Approximately 99.2% of our time deposits mature within one year or less as of September 30, 2023. Management anticipates that these deposits will reprice higher as a result of the increases in the target Fed funds rate that started in early 2022. Management anticipates that there may be some outflow of these deposits upon maturity due to the keen competition in the Bank’s marketplace. However, based on our historical runoff experience, we expect the outflow will not be significant and can be replenished through our normal growth in deposits. As of September 30, 2023, management believes all the above-mentioned sources will provide adequate liquidity during the next twelve months for the Bank to meet its operating needs.

The business activities of Bancorp consist primarily of the operation of the Bank and limited activities in other investments. The Bank paid dividends to Bancorp totaling $107.0 million and $185.0 million during the third quarter of 2023 and 2022, respectively.

Item 3.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

We use a net interest income simulation model to measure the extent of the differences in the behavior of the lending and funding rates to changing interest rates, to project future earnings or market values under alternative interest rate scenarios. Interest rate risk arises primarily through the Company’s traditional business activities of extending loans and accepting deposits. Many factors, including but not limited to economic, market and financial conditions, movements in interest rates, and consumer preferences, affect the spread between interest earned on assets and interest paid on liabilities. The net interest income simulation model is designed to measure the volatility of net interest income and net portfolio value, defined as net present value of assets and liabilities, under immediate rising or falling interest rate scenarios in 100 basis point increments.

Although the modeling can be helpful in managing interest rate risk, it does require significant assumptions for the projection of loan prepayment rates on mortgage related assets, loan volumes and pricing, and deposit and borrowing volume and pricing, that might prove inaccurate. Because these assumptions are inherently uncertain, the model cannot precisely estimate net interest income, or precisely predict the effect of higher or lower interest rates on net interest income. Actual results will differ from simulated results due to the timing, magnitude, and frequency of interest rate changes, the differences between actual experience and the assumed volume, changes in market conditions, and management strategies, among other factors. The Company monitors its interest rate sensitivity and seeks to reduce the risk of a significant decrease in net interest income caused by a change in interest rates.

67

We have established a tolerance level in our policy to define and limit net interest income volatility to a change of plus or minus 5% when the hypothetical rate change is plus or minus 200 basis points. When the net interest rate simulation projects that our tolerance level will be met, or exceeded, we seek corrective action after considering, among other things, market conditions, client reaction, and the estimated impact on profitability. The Company’s simulation model also projects the net economic value of our portfolio of assets and liabilities. We have established a tolerance level in our policy to limit the loss in the net economic value of our portfolio of assets and liabilities to zero when the hypothetical rate change is plus or minus 200 basis points.

The table below shows the estimated impact of changes in interest rates on net interest income and market value of equity as of September 30, 2023:

	Net Interest		Market Value
	Income		of Equity
Change in Interest Rate (Basis Points)	Volatility (1)		Volatility (2)
+200		+11.6		-8.2
+100		+5.8		-3.9
-100		-6.3		+5.3
-200		-14.3		+11.8

(1) The percentage change in this column represents net interest income of the Company for 12 months in a stable interest rate environment versus the net interest income in the various rate scenarios. Much of the increase in net interest income is due to the lag in the repricing of certificates of deposits which mature throughout the twelve month period.

(2) The percentage change in this column represents the net portfolio value of the Company in a stable interest rate environment versus the net portfolio value in the various rate scenarios.

Item 4.  CONTROLS AND PROCEDURES.

The Company’s principal executive officer and principal financial officer have evaluated the effectiveness of the Company’s “disclosure controls and procedures,” as such term is defined in Rule 13a-15(e) or 15d-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), as of the end of the period covered by this quarterly report. Based upon their evaluation, the principal executive officer and principal financial officer have concluded that the Company’s disclosure controls and procedures are effective to ensure that information required to be disclosed by the Company in the reports filed or submitted by it under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms, and include controls and procedures designed to ensure that information required to be disclosed by the Company in such reports is accumulated and communicated to the Company’s management, including its principal executive officer and principal financial officer, as appropriate to allow timely decisions regarding required disclosure.

There has not been any change in our internal control over financial reporting that occurred during the third quarter of 2023 that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting.

68

PART II – OTHER INFORMATION

Item 1.        LEGAL PROCEEDINGS.

From time to time, Bancorp and its subsidiaries are parties to litigation that arise in the ordinary course of business or otherwise are incidental to various aspects of its operations. Based upon information available to the Company and its review of any such litigation with counsel, management presently believes that the liability relating to such litigation, if any, would not be expected to have a material adverse impact on the Company’s consolidated financial condition, results of operations or liquidity taken as a whole. 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 the Company’s consolidated financial condition, results of operations or liquidity taken as a whole.

Item 1A.      RISK FACTORS.

Except as set forth below, there have been no material change to the risk factors as previously disclosed in Part I, Item 1A, of the Company’s 2022 Form 10-K. In addition to the below information and the other information set forth in this Quarterly Report on Form 10-Q, you should carefully consider the risk factors disclosed in Part I, Item 1A, of the Company’s 2022 Form 10-K, which could materially and adversely affect the Company’s business, financial condition, results of operations and stock price. The risk factors disclosed in the 2022 Form 10-K, as supplemented by the below, are not the only risks facing the Company. Additional risks and uncertainties, including those not presently known to the Company or that the Company presently believes not to be material, could also materially and adversely affect the Company’s business, financial condition, and results of operations and stock price.

Risks Related to Recent Events Impacting the Financial Services Industry

Recent events impacting the financial services industry, including the failure of Silicon Valley Bank, Signature Bank and First Republic Bank, have resulted in decreased confidence in banks among consumer and commercial depositors, other counterparties and investors, as well as significant disruption, volatility and reduced valuations of equity and other securities of banks in the capital markets. These events occurred during a period of rapidly rising interest rates which, among other things, has resulted in unrealized losses in longer duration securities and loans held by banks, more competition for bank deposits and may increase the risk of a potential recession. These recent events have, and could continue to, adversely impact the market price and volatility of the Company’s common stock.

These recent events may also result in potentially adverse changes to laws or regulations governing banks and bank holding companies or result in the impositions of restrictions through supervisory or enforcement activities, including higher capital requirements, which could have a material impact on our business. Inability to access short-term funding, loss of client deposits or changes in our credit ratings could increase the cost of funding, limit access to capital markets or negatively impact our overall liquidity or capitalization. We may be impacted by concerns regarding the soundness or creditworthiness of other financial institutions, which can cause substantial and cascading disruption within the financial markets and increased expenses. The cost of resolving the recent bank failures may prompt the FDIC to increase its premiums above the recently increased levels or to issue additional special assessments.

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

None.

For a discussion of limitations on the payment of dividends, see “Dividend Policy” and “Liquidity” under Part I—Item 2— “Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

69

Item 3.         DEFAULTS UPON SENIOR SECURITIES.

Not applicable.

Item 4.         MINE SAFETY DISCLOSURES.

Not applicable.

Item 5.         OTHER INFORMATION.

None.

Item 6.         EXHIBITS.

Exhibit 3.1	Restated Certificate of Incorporation. Previously filed with the Securities and Exchange Commission on February 29, 2016, as an exhibit to Bancorp’s Annual Report on Form 10-K for the year ended December 31, 2015, and incorporated herein by reference.
Exhibit 3.1.1	Amendment to Restated Certificate of Incorporation. Previously filed with the Securities and Exchange Commission on February 29, 2016, as an exhibit to Bancorp’s Annual Report on Form 10-K for the year ended December 31, 2015, and incorporated herein by reference.
Exhibit 3.2	Amended and Restated Bylaws, effective February 16, 2017. Previously filed with the Securities and Exchange Commission on February 17, 2017, as an exhibit to the Bancorp’s Current Report on Form 8-K and incorporated herein by reference.
Exhibit 3.3	Certificate of Designation of Series A Junior Participating Preferred Stock. Previously filed with the Securities and Exchange Commission on February 28, 2012, as an exhibit to the Bancorp’s Annual Report on Form 10-K for the year ended December 31, 2011, and incorporated herein by reference.
Exhibit 3.4	Certificate of Designation of Fixed Rate Cumulative Perpetual Preferred Stock, Series B. Previously filed with the Securities and Exchange Commission on March 3, 2014, as an exhibit to the Bancorp’s Annual Report on Form 10-K for the year ended December 31, 2013 and incorporated herein by reference.
Exhibit 31.1	Certification of the Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.+
Exhibit 31.2	Certification of the Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.+

70

Exhibit 32.1	Certification of the Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.++
Exhibit 32.2	Certification of the Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.++
Exhibit 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*
Exhibit 101.SCH	Inline XBRL Taxonomy Extension Schema Document*
Exhibit 101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document*
Exhibit 101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document*
Exhibit 101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document*
Exhibit 101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document*
Exhibit 104	Cover Page Interactive Data File – the cover page XBRL tags are embedded within the Inline XBRL document*

____________________

+ Filed herewith.

++ Furnished herewith.

* Filed electronically herewith.

71

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.

	Cathay General Bancorp
	(Registrant)
Date: November [ ], 2023
	/s/ Chang M. Liu
	Chang M. Liu
	President and Chief Executive Officer

Date: November [ ], 2023
	/s/ Heng W. Chen
	Heng W. Chen
	Executive Vice President and
	Chief Financial Officer

72

EX-31.1

Exhibit 31.1

I, Chang M. Liu, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Cathay General Bancorp;

2. Based on my knowledge, this quarterly 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 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.

	/s/ Chang M. Liu
	Chang M. Liu
	President and Chief Executive Officer
Date: November [ ], 2023

EX-31.2

Exhibit 31.2

I, Heng W. Chen, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Cathay General Bancorp;

2. Based on my knowledge, this quarterly 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 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.

	/s/ Heng W. Chen
	Heng W. Chen
	Executive Vice President and
	Chief Financial Officer
Date: November [ ], 2023

EX-32.1

Exhibit 32.1

CEO 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 Cathay General Bancorp (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, Chang M. Liu, 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, 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.

	/s/ Chang M. Liu
	Chang M. Liu
	President and Chief Executive Officer
Date: November [ ], 2023

EX-32.2

Exhibit 32.2

CFO 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 Cathay General Bancorp (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, Heng W. Chen, 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, 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.

	/s/ Heng W. Chen
	Heng W. Chen
	Executive Vice President and
	Chief Financial Officer
Date: November [ ], 2023

XML

Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2023	Oct. 31, 2023
Document Information [Line Items]
Entity Central Index Key	0000861842
Entity Registrant Name	Cathay General Bancorp
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2023
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	001-31830
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	95-4274680
Entity Address, Address Line One	777 North Broadway
Entity Address, City or Town	Los Angeles
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	90012
City Area Code	213
Local Phone Number	625-4700
Title of 12(b) Security	Common Stock
Trading Symbol	CATY
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		72,648,863

XML

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets
Cash and due from banks	$ 145,580	$ 195,440
Short-term investments and interest-bearing deposits	1,017,354	966,962
Securities available-for-sale (amortized cost of $1,684,951 at September 30, 2023 and $1,622,173 at December 31, 2022)	1,508,798	1,473,348
Loans	19,023,822	18,254,024
Less: Allowance for loan losses	(154,619)	(146,485)
Unamortized deferred loan fees, net	(9,521)	(6,641)
Loans, net	18,859,682	18,100,898
Equity securities	31,456	22,158
Federal Home Loan Bank stock	17,250	17,250
Other real estate owned, net	14,407	4,067
Affordable housing investments and alternative energy partnerships, net	332,903	327,128
Premises and equipment, net	91,033	94,776
Customers’ liability on acceptances	16,900	2,372
Accrued interest receivable	90,875	82,428
Goodwill	375,696	375,696
Other intangible assets, net	4,725	5,757
Right-of-use assets - operating leases	30,586	29,627
Other assets	307,284	250,069
Total assets	22,844,529	21,947,976
Deposits:
Non-interest-bearing demand deposits	3,623,483	4,168,989
Interest-bearing deposits:
NOW deposits	2,454,878	2,509,736
Money market deposits	3,222,612	3,812,724
Savings deposits	1,131,352	1,000,460
Time deposits	9,203,263	7,013,370
Total deposits	19,635,588	18,505,279
Advances from the Federal Home Loan Bank	15,000	485,000
Other borrowings of affordable housing investments	22,374	22,600
Long-term debt	119,136	119,136
Acceptances outstanding	16,900	2,372
Lease liabilities - operating leases	32,962	32,518
Other liabilities	363,833	307,031
Total liabilities	20,205,793	19,473,936
Commitments and contingencies	0	0
Stockholders’ Equity
Common stock, $0.01 par value, 100,000,000 shares authorized; 91,310,545 issued and 72,586,992 outstanding at September 30, 2023, and 91,090,614 issued and 72,742,151 outstanding at December 31, 2022	913	911
Additional paid-in-capital	986,074	981,119
Accumulated other comprehensive loss, net	(123,533)	(102,295)
Retained earnings	2,442,516	2,244,856
Treasury stock, at cost (18,723,553 shares at September 30, 2023, and 18,348,463 shares at December 31, 2022)	(667,234)	(650,551)
Total equity	2,638,736	2,474,040
Total liabilities and equity	$ 22,844,529	$ 21,947,976

XML

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Securities available-for-sale, amortized cost	$ 1,684,951	$ 1,622,173
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	91,310,545	91,090,614
Common stock, shares outstanding (in shares)	72,586,992	72,742,151
Treasury stock, shares (in shares)	18,723,553	18,348,463

XML

Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest and Dividend Income
Loans receivable	$ 293,108	$ 211,541	$ 827,765	$ 558,657
Investment securities	12,698	7,483	36,832	18,059
Federal Home Loan Bank stock	355	258	957	774
Deposits with banks	17,307	6,732	43,405	10,003
Total interest and dividend income	323,468	226,014	908,959	587,493
Interest Expense
Time deposits	90,022	10,218	234,171	22,002
Other deposits	38,207	13,871	92,683	25,894
Advances from Federal Home Loan Bank	6,779	2,941	14,875	3,396
Long-term debt	1,726	1,455	4,721	4,318
Short-term debt	1,094	0	2,901	0
Total interest expense	137,828	28,485	349,351	55,610
Net interest income before provision for credit losses	185,640	197,529	559,608	531,883
Provision for credit losses	(7,000)	(2,000)	(24,255)	(13,143)
Net interest income after provision for credit losses	178,640	195,529	535,353	518,740
Non-Interest Income
Net (losses)/gains from equity securities	(6,218)	(3,661)	9,298	1,358
Securities losses, net	0	0	(3,000)	0
Letters of credit commissions	1,738	1,609	4,972	4,767
Other operating income	5,631	6,054	16,226	21,114
Total non-interest income	7,837	9,876	45,191	44,726
Non-Interest Expense
Salaries and employee benefits	38,774	34,677	114,048	107,453
Occupancy expense	5,851	5,975	16,883	17,150
Computer and equipment expense	4,387	3,509	12,899	9,762
Professional services expense	7,906	6,337	24,212	20,738
Data processing service expense	3,614	3,484	11,010	9,813
FDIC and regulatory assessments	3,063	2,003	9,230	5,999
Marketing expense	1,587	2,005	4,777	4,692
Other real estate owned expense	435	55	566	93
Amortization of investments in low income housing and alternative energy partnerships	23,157	11,949	60,497	27,471
Amortization of core deposit intangibles	250	250	1,059	724
Acquisition, integration and restructuring costs	0	59	0	4,086
Other operating expense	4,949	5,085	14,799	14,227
Total non-interest expense	93,973	75,388	269,980	222,208
Income before income tax expense	92,504	130,017	310,564	341,258
Income tax expense	10,133	30,982	38,966	78,217
Net income	82,371	99,035	271,598	263,041
Other Comprehensive Income/(Loss), net of tax
Net holding losses on securities available-for-sale	(24,043)	(43,191)	(19,915)	(115,612)
Net holding (losses)/gains on cash flow hedge derivatives	(441)	1,645	(1,323)	5,803
Total other comprehensive loss, net of tax	(24,484)	(41,546)	(21,238)	(109,809)
Total other comprehensive income	$ 57,887	$ 57,489	$ 250,360	$ 153,232
Net Income Per Common Share:
Basic (in dollars per share)	$ 1.14	$ 1.34	$ 3.74	$ 3.52
Diluted (in dollars per share)	1.13	1.33	3.73	3.5
Cash dividends paid per common share (in dollars per share)	$ 0.34	$ 0.34	$ 1.02	$ 1.02
Average Common Shares Outstanding:
Basic (in shares)	72,568,518	73,956,052	72,546,149	74,743,941
Diluted (in shares)	72,890,414	74,242,052	72,847,907	75,068,232
Deposit Account [Member]
Non-Interest Income
Non-Interest Income	$ 1,536	$ 1,690	$ 5,009	$ 4,993
Asset Management [Member]
Non-Interest Income
Non-Interest Income	$ 5,150	$ 4,184	$ 12,686	$ 12,494

XML

Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock Outstanding [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Treasury Stock, Common [Member]	Total
Balance (in shares) at Dec. 31, 2021	75,750,862
Beginning balance, loss, net of tax at Dec. 31, 2021	$ 909	$ 972,474	$ (3,065)	$ 1,985,168	$ (509,235)	$ 2,446,251
Dividend Reinvestment Plan (in shares)	65,142
Dividend Reinvestment Plan	$ 1	2,791	0	0	0	2,792
Restricted stock units vested (in shares)	110,641
Restricted stock units vested	$ 1	0	0	0	0	1
Shares withheld related to net share settlement of RSUs	0	(2,864)	0	0	0	(2,864)
Purchases of treasury stock	0	0	0	0	(109,774)	(109,774)
Stock-based compensation	0	5,183	0	0	0	5,183
Cash dividends	0	0	0	(76,111)	0	(76,111)
Other comprehensive income/(loss)	0	0	(109,809)	0	0	(109,809)
Net income	$ 0	0	0	263,041	0	263,041
Purchases of treasury stock (in shares)	(2,534,465)
Stock issued to directors (in shares)	19,780
Stock issued to directors	$ 0	849	0	0	0	849
Other comprehensive loss	$ 0	0	(109,809)	0	0	(109,809)
Balance (in shares) at Sep. 30, 2022	73,411,960
Ending balance, loss, net of tax at Sep. 30, 2022	$ 911	978,433	(112,874)	2,172,098	(619,009)	2,419,559
Balance (in shares) at Dec. 31, 2021	75,750,862
Beginning balance, loss, net of tax at Dec. 31, 2021	$ 909	972,474	(3,065)	1,985,168	(509,235)	2,446,251
Shares withheld related to net share settlement of RSUs						(3,500)
Purchases of treasury stock						(16,700)
Balance (in shares) at Sep. 30, 2023	72,586,992
Ending balance, loss, net of tax at Sep. 30, 2023	$ 913	986,074	(123,533)	2,442,516	(667,234)	2,638,736
Balance (in shares) at Jun. 30, 2022	74,421,884
Beginning balance, loss, net of tax at Jun. 30, 2022	$ 910	976,547	(71,328)	2,098,122	(572,719)	2,431,532
Dividend Reinvestment Plan (in shares)	21,880
Dividend Reinvestment Plan	$ 1	919	0	0	0	920
Restricted stock units vested (in shares)	47,736
Restricted stock units vested	$ 0	0	0	0	0	0
Shares withheld related to net share settlement of RSUs	0	(849)	0	0	0	(849)
Purchases of treasury stock	0	0	0	0	(46,290)	(46,290)
Stock-based compensation	0	1,816	0	0	0	1,816
Cash dividends	0	0	0	(25,059)	0	(25,059)
Other comprehensive income/(loss)	0	0	(41,546)	0	0	(41,546)
Net income	$ 0	0	0	99,035	0	99,035
Purchases of treasury stock (in shares)	(1,079,540)
Other comprehensive loss	$ 0	0	(41,546)	0	0	(41,546)
Balance (in shares) at Sep. 30, 2022	73,411,960
Ending balance, loss, net of tax at Sep. 30, 2022	$ 911	978,433	(112,874)	2,172,098	(619,009)	2,419,559
Balance (in shares) at Dec. 31, 2022	72,742,151
Beginning balance, loss, net of tax at Dec. 31, 2022	$ 911	981,119	(102,295)	2,244,856	(650,551)	2,474,040
Dividend Reinvestment Plan (in shares)	73,269
Dividend Reinvestment Plan	$ 1	2,698	0	0	0	2,699
Restricted stock units vested (in shares)	121,302
Restricted stock units vested	$ 1	0	0	0	0	1
Shares withheld related to net share settlement of RSUs	0	(3,538)	0	0	0	(3,538)
Purchases of treasury stock	0	0	0	0	(16,683)	(16,683)
Stock-based compensation	0	4,945	0	0	0	4,945
Cash dividends	0	0	0	(73,938)	0	(73,938)
Other comprehensive income/(loss)	0	0	(21,238)	0	0	(21,238)
Net income	$ 0	0	0	271,598	0	271,598
Purchases of treasury stock (in shares)	(375,090)
Stock issued to directors (in shares)	25,360
Stock issued to directors	$ 0	850	0	0	0	850
Other comprehensive loss	$ 0	0	(21,238)	0	0	(21,238)
Balance (in shares) at Sep. 30, 2023	72,586,992
Ending balance, loss, net of tax at Sep. 30, 2023	$ 913	986,074	(123,533)	2,442,516	(667,234)	2,638,736
Balance (in shares) at Jun. 30, 2023	72,563,169
Beginning balance, loss, net of tax at Jun. 30, 2023	$ 913	983,233	(99,049)	2,384,817	(667,243)	2,602,671
Dividend Reinvestment Plan (in shares)	23,397
Dividend Reinvestment Plan	$ 0	865	0	0	0	865
Restricted stock units vested (in shares)	426
Restricted stock units vested	$ 0	0	0	0	0	0
Shares withheld related to net share settlement of RSUs	0	(11)	0	0	0	(11)
Purchases of treasury stock	0	0	0	0	(9)	(9)
Stock-based compensation	0	1,987	0	0	0	1,987
Cash dividends	0	0	0	(24,672)	0	(24,672)
Other comprehensive income/(loss)	0	0	(24,484)	0	0	(24,484)
Net income	0	0	0	82,371	0	82,371
Other comprehensive loss	$ 0	0	(24,484)	0	0	(24,484)
Balance (in shares) at Sep. 30, 2023	72,586,992
Ending balance, loss, net of tax at Sep. 30, 2023	$ 913	$ 986,074	$ (123,533)	$ 2,442,516	$ (667,234)	$ 2,638,736

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Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Retained Earnings [Member]
Cash dividends (in dollars per share)	$ 0.34	$ 1.02	$ 1.02
Cash dividends (in dollars per share)	$ 0.34	$ 1.02	$ 1.02

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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash Flows from Operating Activities
Net income	$ 271,598	$ 263,041
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	24,255	13,143
Deferred tax benefit	(12,079)	(713)
Depreciation and amortization	6,402	6,847
Amortization of right-of-use asset	7,258	7,446
Change in operating lease liabilities	444	(3,216)
Net gains on sale and transfer of other real estate owned	0	(6)
Net gains on sale of loans	0	(1)
Proceeds from sales of loans	0	33
Loss on sales or disposal of fixed assets	6	46
Amortization on alternative energy partnerships, venture capital and other investments	60,497	27,471
Net gain on sales of equity securities	(14)	(101)
Amortization/accretion of security premiums/discounts, net	(5,729)	2,875
Unrealized gain on equity securities	(9,298)	(1,257)
Write-off of AFS debt securities	3,000	0
Stock-based compensation and stock issued to officers as compensation	5,795	6,032
Net change in accrued interest receivable and other assets	(61,019)	(81,025)
Net change in other liabilities	27,813	125,345
Net cash provided by operating activities	318,929	365,960
Cash Flows from Investing Activities
Purchase of investment securities available-for-sale	(472,303)	(583,992)
Proceeds from repayments, maturities and calls of investment securities available-for-sale	412,268	130,673
Proceeds from sale of equity securities	0	553
Benefits received from bank owned life insurance policies	0	4,013
Purchase of Federal Home Loan Bank stock	(21,550)	(9,776)
Redemption of Federal Home Loan Bank stock	21,550	9,776
Net increase in loans	(789,465)	(1,122,519)
Purchase of premises and equipment	(1,633)	(3,093)
Proceeds from sales of other real estate owned	0	307
Net increase in investment in affordable housing and alternative energy partnerships	(36,076)	(107)
Acquisition, net of cash acquired	0	(73,882)
Net cash used for investing activities	(887,209)	(1,648,047)
Cash Flows from Financing Activities
Increase/(decrease) in deposits	1,130,271	(58,316)
Net Advances from Federal Home Loan Bank	(470,000)	340,000
Cash dividends paid	(73,938)	(76,111)
Purchases of treasury stock	(16,683)	(109,774)
Proceeds from shares issued under Dividend Reinvestment Plan	2,700	2,793
Taxes paid related to net share settlement of RSUs	(3,538)	(2,864)
Net cash provided by financing activities	568,812	95,728
Increase/(decrease) in cash, cash equivalents, and restricted cash	532	(1,186,359)
Cash, cash equivalents, and restricted cash, beginning of the period	1,162,402	2,449,704
Cash, cash equivalents, and restricted cash, end of the period	1,162,934	1,263,345
Supplemental disclosure of cash flow information
Interest	336,722	52,147
Income taxes paid	60,332	59,981
Non-cash investing and financing activities:
Net change in unrealized holding loss on securities available-for-sale, net of tax	(19,915)	(115,612)
Net change in unrealized holding (loss)/gain on cash flow hedge derivatives	(1,323)	5,803
Loans transferred from held-for-investment to held-for-sale	0	32
Transfers to other real estate owned from loans held-for-investment	$ 6,264	$ 0

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Note 1 - Business

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Nature of Operations [Text Block]

1. Business

Cathay General Bancorp (“Bancorp”) is the holding company for Cathay Bank (the “Bank” and, together, with Bancorp, the “Company”), ten limited partnerships investing in affordable housing investments in which the Bank is the sole limited partner, and GBC Venture Capital, Inc. Bancorp also owns 100% of the common stock of five statutory business trusts created for the purpose of issuing capital securities. The Bank was founded in 1962 and offers a wide range of financial services. As of September 30, 2023, the Bank operates 24 branches in Southern California, 19 branches in Northern California, 9 branches in New York State, four in Washington State, two in Illinois, two in Texas, one in Maryland, Massachusetts, Nevada, and New Jersey, one in Hong Kong, and a representative office in Taipei, Beijing, and Shanghai. Deposit accounts at the Hong Kong branch are not insured by the Federal Deposit Insurance Corporation (the “FDIC”).

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Note 2 - Business Combinations

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Business Combination Disclosure [Text Block]

2. Business Combinations

The Company’s subsidiary bank, Cathay Bank completed the purchase of HSBC Bank USA, National Association’s West Coast mass retail market consumer banking business and retail business banking business on February 7, 2022. As a result of the acquisition, Cathay Bank added 10 retail branches in California and additional loans with a principal balance of $646.1 million and deposits with a balance of $575.2 million.

The assets and liabilities, both tangible and intangible, were recorded at their estimated fair values as of the February 7, 2022 acquisition date. The assets acquired and liabilities assumed have been accounted for under the acquisition method of accounting. We have included the financial results of the business combinations in the Consolidated Statements of Operations and Comprehensive Income beginning on the acquisition date. 

The fair value of the assets and the liabilities acquired as of February 7, 2022 are shown below:

	Balance Sheet
	(In thousands)
Assets:
Cash and cash equivalents	$	473
Loans		641,839
Right-of-use assets - operating leases		6,453
Core deposit intangible		3,138
Other		561
Total assets	$	652,464
Liabilities assumed:
Deposits	$	575,163
Lease liabilities		6,453
Total liabilities assumed	$	581,616
Net assets acquired	$	70,848
Total cash paid at closing	$	74,355
Goodwill	$	3,507

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Note 3 - Basis of Presentation and Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Significant Accounting Policies [Text Block]

3. Basis of Presentation and Summary of Significant Accounting Policies

The accompanying unaudited Consolidated Financial Statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Operating results for the interim periods presented are not necessarily indicative of the results that may be expected for the year ending December 31, 2023. For further information, refer to the audited Consolidated Financial Statements and Notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022 filed with the SEC on February 28, 2023 (the “2022 Form 10-K”).

The preparation of the Consolidated Financial Statements in accordance with GAAP requires management of the Company 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 the Consolidated Financial Statements. Actual results could differ from those estimates. The Company expects that the most significant estimate subject to change is the allowance for loan losses.

Net income per common share previously reported for the third quarter of 2022 has been corrected.  The correction decreased basic and diluted net income per common share by $0.01 and $0.02, respectively.

Significant Accounting Policies Update

Loan Modifications to Borrowers Experiencing Financial Difficulties

Certain loans are modified in the normal course of business for competitive reasons or in conjunction with the Company’s loss mitigation activities. Upon the adoption of ASU 2022-02, the Company applies the general loan modification guidance to modifications made for borrowers experiencing financial difficulty. Under the general loan modification guidance, a modification is treated as a new loan only if the following two conditions are met: (1) the terms of the new loan are at least as favorable to the Company as the terms for comparable loans to other customers with similar collection risks; and (2) modifications to the terms of the original loan are more than minor. If either condition is not met, the modification is accounted for as the continuation of the existing loan with any effect of the modification treated as a prospective adjustment to the loan’s effective interest rate. A modification may vary by program and by borrower-specific characteristics, and may include rate reductions, term extensions, and payment delays, or any combination thereof, and is intended to minimize the company’s economic loss and to avoid foreclosure or repossession of collateral. For the Company’s accounting policy related to the loan modifications allowance for loan losses, see Note 9 Loans, to the Consolidated Financial Statements in this Form 10Q.

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Note 4 - Recent Accounting Pronouncements

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Accounting Standards Update and Change in Accounting Principle [Text Block]

4. Recent Accounting Pronouncements

Accounting Standards Adopted in 2023

In March 2022, ASU 2022-02, “Financial Instruments - Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures.” ASU 2022-02 eliminates the accounting guidance for troubled debt restructurings in Accounting Standards Codification (“ASC”) 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. Additionally, ASU 2022-02 requires entities to disclose current-period gross write-offs by year of origination for financing receivables and net investments in leases within the scope of ASC Subtopic 326-20, Financial Instruments - Credit Losses - Measured at Amortized Cost. ASU 2022-02 was effective for us on January 1, 2023. As part of the adoption, the Company has elected to apply the pending content prospectively and the practical expedient to exclude the accrued interest receivable balance from the disclosed amortized cost basis of loan modifications to debtors experiencing financial difficulty, consistent with our ACL approach discussed further below in Note 9.

In March 2022, the FASB issued ASU 2022-01, “Derivatives and Hedging (Topic 815): Fair Value Hedging - Portfolio Layer Method.” Under prior guidance, entities can apply the last-of-layer hedging method to hedge the exposure of a closed portfolio of prepayable financial assets to fair value changes due to changes in interest rates for a portion of the portfolio that is not expected to be affected by prepayments, defaults, and other events affecting the timing and amount of cash flows. ASU 2022-01 expands the last-of-layer method, which permits only one hedge layer, to allow multiple hedged layers of a single closed portfolio. To reflect that expansion, the last-of-layer method is renamed the portfolio layer method. ASU 2022-01 also (i) expands the scope of the portfolio layer method to include non-prepayable financial assets, (ii) specifies eligible hedging instruments in a single-layer hedge, (iii) provides additional guidance on the accounting for and disclosure of hedge basis adjustments under the portfolio layer method and (iv) specifies how hedge basis adjustments should be considered when determining credit losses for the assets included in the closed portfolio. ASU 2022-01 is effective for the Company on January 1, 2023. The adoption of ASU 2022-01 did not have a significant impact on our financial statements.

Other Accounting Standards Pending Adoption

In March 2023, ASU 2023-02, “Investments-Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method". ASU 2023-02 permits reporting entities to elect to account for their tax equity investments, regardless of the tax credit program from which the income tax credits are received, using the proportional amortization method if certain conditions are met. ASU 2023-02 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2023. ASU 2023-02 is not expected to have a material impact on the Company’s consolidated financial statements.

In June 2022, ASU 2022-03, “Fair Value Measurement (Topic 820): Fair Value Measurement of Equity Securities Subject to Contractual Sale Restrictions.” ASU 2022-03 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, therefore, is not considered in measuring fair value. ASU 2022-03 also clarifies that an entity cannot, as a separate unit of account, recognize and measure a contractual sale restriction and requires certain new disclosures for equity securities subject to contractual sale restrictions. ASU 2022-03 will be effective for us on January 1, 2024 though early adoption is permitted. The adoption of ASU 2022-03 is not expected to have a significant impact on our financial statements.

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Note 5 - Cash, Cash Equivalents and Restricted Cash

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Cash and Cash Equivalents Disclosure [Text Block]

5. Cash, Cash Equivalents and Restricted Cash

The Company manages its cash and cash equivalents based upon the Company’s operating, investment, and financing activities. Cash and cash equivalents, for the purposes of reporting cash flows, consist of cash and due from banks, short-term investments, and interest-bearing deposits. Cash and due from banks include cash on hand, cash items in transit, cash due from the Federal Reserve Bank of San Francisco (“FRBSF”) and other financial institutions. Short-term investments and interest-bearing deposits include cash placed with other banks with original maturity of three months or less.

The Company had average excess balance with FRBSF of $1.10 billion as of September 30, 2023 and $1.24 billion for the year ended December 31, 2022. As of September 30, 2023 and December 31, 2022, the Company had $84.9 million and $88.9 million, respectively, as cash margin that serves as collateral on deposit in a cash margin account for interest rate swaps of which $4.4 million and $8.2 million is restricted. As of September 30, 2023 and December 31, 2022, the Company held $24.6 million and $25.4 million, respectively, in a restricted escrow account with a major bank for its alternative energy investments.

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Note 6 - Earnings Per Share

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Earnings Per Share [Text Block]

6. Earnings per Share

Basic earnings per share excludes dilution and is computed by dividing net income available to common stockholders by the weighted-average number of common shares outstanding for the period. Diluted earnings per common share reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock and resulted in the issuance of common stock that then shared in earnings. Restricted stock units (“RSUs”) with anti-dilutive effect were not included in the computation of diluted earnings per share. The following table sets forth earnings per common share calculations:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(In thousands, except share and per share data)
Net income	$	82,371	$	99,035	$	271,598	$	263,041
Weighted-average shares:
Basic weighted-average number of common shares outstanding		72,568,518		73,956,052		72,546,149		74,743,941
Dilutive effect of weighted-average outstanding common share equivalents:
RSUs		321,896		286,000		301,758		324,291
Diluted weighted-average number of common shares outstanding		72,890,414		74,242,052		72,847,907		75,068,232
Average restricted stock units with anti-dilutive effect		—		13,534		2,098		48,073
Earnings per common share:
Basic	$	1.14	$	1.34	$	3.74	$	3.52
Diluted	$	1.13	$	1.33	$	3.73	$	3.50

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Note 7 - Stock-based Compensation

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Share-Based Payment Arrangement [Text Block]

7. Stock-Based Compensation

Pursuant to the Company’s 2005 Incentive Plan, as amended and restated, the Company may grant incentive stock options (employees only), non-statutory stock options, common stock awards, restricted stock, RSUs, stock appreciation rights and cash awards to non-employee directors and eligible employees.

RSUs are generally granted at no cost to the recipient. RSUs generally vest ratably over three years or cliff vest after one or three years of continued employment from the date of the grant. While a portion of RSUs may be time-vesting awards, others may vest subject to the attainment of specified performance goals and are referred to as “performance-based RSUs.” All RSUs are subject to forfeiture until vested.

Performance-based RSUs are granted at the target amount of awards. Based on the Company’s attainment of specified performance goals and consideration of market conditions, the number of shares that vest can be adjusted to a minimum of zero and to a maximum of 150% of the target. The amount of performance-based RSUs that are eligible to vest is determined at the end of each performance period and is then added together to determine the total number of performance shares that are eligible to vest. Performance-based RSUs generally cliff vest three years from the date of grant.

Compensation costs for the time-based awards are based on the quoted market price of the Company’s stock at the grant date. Compensation costs associated with performance-based RSUs are based on grant date fair value, which considers both market and performance conditions. Compensation costs of both time-based and performance-based awards are recognized on a straight-line basis from the grant date until the vesting date of each grant.

The following table presents RSU activity during the nine months ended September 30, 2023:

	Time-Based RSUs					Performance-Based RSUs
				Weighted-Average					Weighted-Average
				Grant Date					Grant Date
	Shares			Fair Value		Shares			Fair Value
Balance at December 31, 2022		202,059		$	33.29		362,965		$	31.56
Granted		85,120			37.97		123,504			38.41
Vested		(2,381	)		35.19		(136,808	)		34.21
Forfeited		(1,774	)		42.52		—			—
Balance at September 30, 2023		283,024		$	34.62		349,661		$	32.94

The compensation expense recorded for RSUs was $2.0 million and $1.8 million for the three months ended September 30, 2023, and 2022, respectively. For the nine months ended September 30, 2023 and 2022, the compensation expense recorded for RSUs was $5.0 million and $5.2 million, respectively. Unrecognized stock-based compensation expense related to RSUs was $11.9 million and $10.7 million as of September 30, 2023 and 2022, respectively. As of September 30, 2023, these costs are expected to be recognized over the next 2.0 years for time-based and performance-based RSUs.

As of September 30, 2023, 1,581,507 shares were available for future grants under the Company’s 2005 Incentive Plan, as amended and restated.

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Note 8 - Investment Securities

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

8. Investment Securities

The following tables set forth the amortized cost, gross unrealized gains, gross unrealized losses, and fair value of securities available-for-sale as of September 30, 2023, and December 31, 2022

	September 30, 2023
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	392,956	$	41	$	155	$	392,842
U.S. government agency entities		51,018		144		161		51,001
U.S. government sponsored entities		33,709		—		89		33,620
Mortgage-backed securities		916,719		42		154,958		761,803
Collateralized mortgage obligations		32,015		—		4,317		27,698
Corporate debt securities		248,534		—		16,662		231,872
Foreign debt securities		10,000		—		38		9,962
Total	$	1,684,951	$	227	$	176,380	$	1,508,798

	December 31, 2022
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	241,611	$	—	$	1,111	$	240,500
U.S. government agency entities		63,347		384		121		63,610
U.S. government sponsored entities		30,000		—		—		30,000
Mortgage-backed securities		993,883		194		126,983		867,094
Collateralized mortgage obligations		34,552		—		3,491		31,061
Corporate debt securities		258,780		112		17,809		241,083
Total	$	1,622,173	$	690	$	149,515	$	1,473,348

As of September 30, 2023, the amortized cost of AFS debt securities excluded accrued interest receivables of $5.5 million, which are included in “accrued interest receivable” on the Consolidated Balance Sheets. For the Company’s accounting policy related to AFS debt securities’ accrued interest receivable, see Note 1 - Summary of Significant Accounting Policies – Securities Available for Sale – Allowance for Credit Losses on Available for Sale Securities to the Consolidated Financial Statements in the Company’s 2022 Form 10-K.

The amortized cost and fair value of securities available-for-sale as of September 30, 2023, by contractual maturities, are set forth in the tables below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or repay obligations with or without call or repayment penalties.  

	September 30, 2023
	Securities Available-For-Sale
	Amortized Cost		Fair Value
	(In thousands)
Due in one year or less	$	442,957	$	442,208
Due after one year through five years		241,407		225,644
Due after five years through ten years		154,327		142,157
Due after ten years		846,260		698,789
Total	$	1,684,951	$	1,508,798

Equity Securities - The Company recognized an unrealized net loss of $6.2 million for the three months ended September 30, 2023, due to a decrease in fair value of equity investments with readily determinable fair values compared to a net loss of $3.7 million for the three months ended September 30, 2022. The Company recognized a net gain of $9.3 million for the nine months ended September 30, 2023 due to the increase in fair value of equity investments with readily determinable fair values compared to a net gain of $1.3 million for the nine months ended September 30, 2022. Equity securities were $31.5 million and $22.2 million as of September 30, 2023, and December 31, 2022, respectively.

The following tables set forth the gross unrealized losses and related fair value of the Company’s investment portfolio, aggregated by investment category and the length of time that individual security has been in a continuous unrealized loss position, as of  September 30, 2023, and  December 31, 2022:

	September 30, 2023
	Less than 12 Months				12 Months or Longer				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	49,153	$	126	$	49,804	$	29	$	98,957	$	155
U.S. government agency entities		17,698		39		1,487		122		19,185		161
U.S. government sponsored entities		33,621		89		—		—		33,621		89
Mortgage-backed securities		17,695		642		743,568		154,316		761,263		154,958
Collateralized mortgage obligations		—		—		27,698		4,317		27,698		4,317
Corporate debt securities		68,285		1,715		163,586		14,947		231,871		16,662
Foreign debt securities		9,962		38		—		—		9,962		38
Total	$	196,414	$	2,649	$	986,143	$	173,731	$	1,182,557	$	176,380

	December 31, 2022
	Less than 12 Months				12 Months or Longer				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	240,500	$	1,111	$	—	$	—	$	240,500	$	1,111
U.S. government agency entities		—		—		1,806		121		1,806		121
Mortgage-backed securities		394,123		33,042		452,739		93,941		846,862		126,983
Collateralized mortgage obligations		24,427		1,614		6,634		1,877		31,061		3,491
Corporate debt securities		109,995		3,256		100,977		14,553		210,972		17,809
Total	$	769,045	$	39,023	$	562,156	$	110,492	$	1,331,201	$	149,515

As of September 30, 2023, the Company had a total of 202 AFS debt securities in a gross unrealized loss position with no credit impairment, consisting primarily of 161 mortgage-backed securities, and 24 Corporate debt securities. In comparison, as of December 31, 2022, the Company has a total of 195 AFS debt securities in a gross unrealized loss position with no credit impairment, consisting primarily of 159 mortgage-backed securities, 22 Corporate debt securities, six U.S. treasury securities, five collateralized mortgage obligations and three U.S. government agency securities.

In March 2023, the Company recorded a $3.0 million write-off of its holdings of debt securities from the failed Signature Bank.

Allowance for Credit Losses

The securities that were in an unrealized loss position at September 30, 2023, were evaluated to determine whether the decline in fair value below the amortized cost basis resulted from a credit loss or other factors. For a discussion of the factors and criteria the Company uses in analyzing securities for impairment related to credit losses, see Note 1 - Summary of Significant Accounting Policies - Allowance for Credit Losses on Available for Sale Securities to the Consolidated Financial Statements in the Company’s 2022 Form 10-K.

The Company concluded the unrealized losses were primarily attributed to yield curve movement, together with widened liquidity spreads and credit spreads. The issuers have not, to the Company’s knowledge, established any cause for default on these securities. The Company expects to recover the amortized cost basis of its securities and has no present intent to sell and will not be required to sell available-for-sale securities that have declined below their cost before their anticipated recovery. Accordingly, no allowance for credit losses was recorded as of September 30, 2023, against these securities, and there was no provision for credit losses recognized for the three and nine months ended September 30, 2023.

Securities available-for-sale having a carrying value of $132.2 million and $145.7 million as of September 30, 2023, and December 31, 2022, respectively, were pledged to secure public deposits and other borrowings.

XML

Note 9 - Loans

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Loans, Notes, Trade and Other Receivables Disclosure [Text Block]

9. Loans

Most of the Company’s business activities are with clients located in the high-density Asian-populated areas of Southern and Northern California; New York City, New York; Dallas and Houston, Texas; Seattle, Washington; Boston, Massachusetts; Chicago, Illinois; Edison, New Jersey; Rockville, Maryland; and Las Vegas, Nevada. The Company also has loan clients in Hong Kong. The Company has no specific industry concentration, and generally its loans, when secured, are secured by real property or other collateral of the borrowers. The Company generally expects loans to be paid off from the operating profits of the borrowers, from refinancing by other lenders, or through sale by the borrowers of the secured collateral.

The types of loans in the Company’s Consolidated Balance Sheets as of September 30, 2023 and December 31, 2022, were as follows:

	September 30, 2023			December 31, 2022
	(In thousands)
Commercial loans	$	3,090,609		$	3,318,778
Real estate construction loans		474,294			559,372
Commercial mortgage loans		9,511,805			8,793,685
Residential mortgage loans		5,685,844			5,252,952
Equity lines		253,826			324,548
Installment and other loans		7,444			4,689
Gross loans	$	19,023,822		$	18,254,024
Allowance for loan losses		(154,619	)		(146,485	)
Unamortized deferred loan fees, net		(9,521	)		(6,641	)
Total loans, net	$	18,859,682		$	18,100,898

As of September 30, 2023, recorded investment in non-accrual loans was $77.3 million. As of December 31, 2022, recorded investment in non-accrual loans totaled $68.9 million. For non-accrual loans, the amounts previously charged-off represent 6.2% and 14.1% of the contractual balances for non-accrual loans as of September 30, 2023 and December 31, 2022, respectively.

The following tables present the average recorded investment and interest income recognized on non-accrual loans for the period indicated:

	Three Months Ended				Nine Months Ended
	September 30, 2023				September 30, 2023
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	13,147	$	5	$	18,982	$	10
Real estate construction loans		11,266		—		3,797		—
Commercial mortgage loans		37,046		74		37,446		244
Residential mortgage loans and equity lines		13,214		—		11,652		—
Installment and other loans		—		—		1		—
Total non-accrual loans	$	74,673	$	79	$	71,878	$	254

	Three Months Ended				Nine Months Ended
	September 30, 2022				September 30, 2022
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	26,809	$	—	$	28,691	$	—
Commercial mortgage loans		18,861		191		28,878		508
Residential mortgage loans and equity lines		16,743		7		14,838		20
Installment and other loans		61		—		35		—
Total non-accrual loans	$	62,474	$	198	$	72,442	$	528

The following table presents non-accrual loans and the related allowance as of September 30, 2023 and December 31, 2022:

 

	September 30, 2023
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance:
Commercial loans	$	26,116	$	14,661	$	—
Real estate construction loans		7,737		7,737		—
Commercial mortgage loans		42,020		32,539		—
Residential mortgage loans and equity lines		13,582		13,138		—
Subtotal	$	89,455	$	68,075	$	—
With allocated allowance:
Real estate construction loans	$	9,255	$	9,255	$	4,221
Total non-accrual loans	$	98,710	$	77,330	$	4,221

	December 31, 2022
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance:
Commercial loans	$	27,341	$	12,949	$	—
Commercial mortgage loans		37,697		32,205		—
Residential mortgage loans and equity lines		9,626		8,978		—
Installment and other loans		9		8		—
Subtotal	$	74,673	$	54,140	$	—
With allocated allowance:
Commercial loans	$	14,643	$	12,823	$	3,734
Commercial mortgage loans		1,896		1,891		207
Subtotal	$	16,539	$	14,714	$	3,941
Total non-accrual loans	$	91,212	$	68,854	$	3,941

The following tables present the aging of the loan portfolio by type as of September 30, 2023, and as of December 31, 2022:

	September 30, 2023
	30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Non-accrual Loans		Total Past Due		Loans Not Past Due		Total
	(In thousands)
Type of Loans:
Commercial loans	$	6,835	$	3,634	$	1,204	$	14,661	$	26,334	$	3,064,275	$	3,090,609
Real estate construction loans		—		—		—		16,992		16,992		457,302		474,294
Commercial mortgage loans		3,246		6,357		720		32,539		42,862		9,468,943		9,511,805
Residential mortgage loans and equity lines		4,663		10,681		—		13,138		28,482		5,911,188		5,939,670
Installment and other loans		6		—		—		—		6		7,438		7,444
Total loans	$	14,750	$	20,672	$	1,924	$	77,330	$	114,676	$	18,909,146	$	19,023,822

	December 31, 2022
	30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Non-accrual Loans		Total Past Due		Loans Not Past Due		Total
	(In thousands)
Type of Loans:
Commercial loans	$	8,192	$	3,235	$	10,208	$	25,772	$	47,407	$	3,271,371	$	3,318,778
Real estate construction loans		—		—		—		—		—		559,372		559,372
Commercial mortgage loans		25,772		—		1,372		34,096		61,240		8,732,445		8,793,685
Residential mortgage loans and equity lines		47,043		5,685		—		8,978		61,706		5,515,794		5,577,500
Installment and other loans		5		1		—		8		14		4,675		4,689
Total loans	$	81,012	$	8,921	$	11,580	$	68,854	$	170,367	$	18,083,657	$	18,254,024

The Company has adopted ASU 2022-02, "Financial Instruments – Troubled Debt Restructurings and Vintage Disclosures" effective January 1, 2023. As part of the adoption, the Company has elected to apply the pending content prospectively and the practical expedient to exclude the accrued interest receivable balance from the disclosed amortized cost basis of loan modifications to debtors experiencing financial difficulty, consistent with our ACL approach discussed further below in this footnote.

Under the new guidance on loan modifications made to borrowers experiencing financial difficulty, when a loan held for investment is modified and is considered to be a continuation of the original loan, the Company uses the post-modification contractual rate to derive the effective interest rate when using a discounted cash flow method to determine the allowance for credit loss.

The amendments in this new guidance eliminate the previous TDR recognition and measurement guidance and, instead, require that an entity evaluate whether the modification represents a new loan or a continuation of an existing loan.

Under the prior TDR guidance, a TDR is a formal modification of the terms of a loan when the lender, for economic or legal reasons related to the borrower’s financial difficulties, grants a concession to the borrower. The concessions may be granted in various forms, including a change in the stated interest rate, a reduction in the loan balance or accrued interest, or an extension of the maturity date. Although these loan modifications were considered TDRs, TDR loans that had, pursuant to the Bank’s policy, performed under the restructured terms and had demonstrated sustained performance under the modified terms for six months were returned to accrual status. The sustained performance considered by management pursuant to its policy included the periods prior to the modification if the prior performance met or exceeded the modified terms. This would include cash paid by the borrower prior to the restructuring to set up interest reserves. Loans classified as TDRs were reported as individually evaluated loans.

The allowance for credit loss on a TDR was measured using the same method as all other loans held for investment, except when the value of a concession could not be measured using a method other than the discounted cash flow method. Under the prior guidance when the value of a concession was measured using the discounted cash flow method, the allowance for credit loss was determined by discounting the expected future cash flows at the original interest rate of the loan.

Upon adoption of ASU 2022-02, the Company establishes a specific reserve for individually evaluated loans that do not share similar risk characteristics with the loans included in the quantitative baseline. These individually evaluated loans are removed from the pooling approach for the quantitative baseline, and include non-accrual loans, loan modifications made to borrowers experiencing financial difficulty, and other loans as deemed appropriate by management. The Company applies the loan refinancing and restructuring guidance provided in ASU 2022-02 to determine whether a modification made to a borrower results in a new loan or a continuation of an existing loan.

If economic conditions or other factors worsen relative to the assumptions the Company utilized, the expected loan losses will increase accordingly in future periods.

As of December 31, 2022, under the prior TDR guidance, there were accruing TDRs of $15.1 million and non-accruing TDRs of $6.3 million. As of December 31, 2022, the Company allocated zero in reserves to accruing TDRs and $427 thousand to non-accruing TDRs.

The following tables set forth TDRs that were modified during the three and nine months ended September 30, 2022, and their specific reserves and charge-offs:

	Three Months Ended September 30, 2022								September 30, 2022
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		2	$	2,572	$	2,572	$	—	$	—
Residential mortgage loans and equity lines		4		1,466		1,442		—		3
Total		6	$	4,038	$	4,014	$	—	$	3

	Nine Months Ended September 30, 2022								September 30, 2022
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		4	$	6,115	$	6,115	$	—	$	2,566
Commercial Mortgage loans		2	$	2,572	$	2,572	$	—	$	—
Residential mortgage loans and equity lines		8		2,190		2,162		—		4
Total		14	$	10,877	$	10,849	$	—	$	2,570

Modifications of the loan terms in the three and nine months ended September 30, 2023, were in the form of payment deferrals, term extensions, and interest rate reductions, or a combination thereof.

The following table presents the amortized cost of loans modified to borrowers experiencing financial difficulty disaggregated by class of financing receivable and type of concession granted and the financial effects of the modifications for the three and nine months ended September 30, 2023 by loan class and modification type:

	Three Months Ended September 30, 2023									Financial Effects of Loan Modifications
	Term Extension		Combo-Rate Reduction/Term Extension/Payment Delay		Total		Modification as a % of Loan Class			Weighted-Average Rate Reduction		Weighted-Average Term Extension (in Years)		Weighted-Average Payment Deferral (in Years)
	(In thousands)
Loan Type
Commercial loans	$	1,489	$	1,164	$	2,653		0.09	%		0.94		0.80		0.40
Total	$	1,489	$	1,164	$	2,653
	Nine Months Ended September 30, 2023									Financial Effects of Loan Modifications
	Term Extension		Combo-Rate Reduction/Term Extension/Payment Delay		Total		Modification as a % of Loan Class			Weighted-Average Rate Reduction		Weighted-Average Term Extension (in Years)		Weighted-Average Payment Deferral (in Years)
	(In thousands)
Loan Type
Commercial loans	$	1,489	$	1,199	$	2,688		0.09	%		1.27		0.80		0.39
Total	$	1,489	$	1,199	$	2,688

The Company considers a loan to be in payment default once it is 60 to 90 days contractually past due under the modified terms.  The Company tracks the performance of modified loans. A modified loan may become delinquent and may result in a payment default subsequent to modification. There were no loans that received a modification during the three and nine months ended September 30, 2023 that subsequently defaulted.

The following table presents the performance of loans that were modified during the three and nine months ended September 30, 2023.

	Three Months Ended September 30, 2023
	Current		30–89 Days Past Due		90+ Days Past Due		Total
	(In thousands)
Loan Type
Commercial loans	$	2,653	$	—	$	—	$	2,653
Total	$	2,653	$	—	$	—	$	2,653

	Nine Months Ended September 30, 2023
	Current		30–89 Days Past Due		90+ Days Past Due		Total
	(In thousands)
Loan Type
Commercial loans	$	2,688	$	—	$	—	$	2,688
Total	$	2,688	$	—	$	—	$	2,688

A summary of TDRs by type of concession and by type of loan, as of December 31, 2022, is set forth in the table below:

	December 31, 2022
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs:
Commercial loans	$	2,588	$	—	$	—	$	2,588
Commercial mortgage loans		2,791		—		5,855		8,646
Residential mortgage loans		2,181		445		1,285		3,911
Total accruing TDRs	$	7,560	$	445	$	7,140	$	15,145

	December 31, 2022
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs:
Commercial loans	$	3,629	$	—	$	—	$	3,629
Commercial mortgage loans		1,098		—		—		1,098
Residential mortgage loans		1,621		—		—		1,621
Total non-accrual TDRs	$	6,348	$	—	$	—	$	6,348

Under the Company’s internal underwriting policy, an evaluation is performed of the probability that the borrower will be in payment default on any of its debt in the foreseeable future without the modification in order to determine whether a borrower is experiencing financial difficulty.

As of September 30, 2023, there were no commitments to lend additional funds to borrowers experiencing financial difficulty and whose loans were modified.

As part of the on-going monitoring of the credit quality of our loan portfolio, the Company utilizes a risk grading matrix to assign a risk grade to each loan. Loans are risk rated based on analysis of the current state of the borrower’s credit quality. The analysis of credit quality includes a review of sources of repayment, the borrower’s current financial and liquidity status and other relevant information. The risk rating categories can be generally described by the following grouping for non-homogeneous loans: 

● Pass/Watch – These loans range from minimal credit risk to higher than average, but still acceptable, credit risk. The loans have sufficient sources of repayment to repay the loans in full, in accordance with all the terms and conditions and remain currently well protected by collateral values.

● Special Mention – Borrower is fundamentally sound, and loan is currently protected but adverse trends are apparent that, if not corrected, may affect ability to repay. Primary source of loan repayment remains viable but there is increasing reliance on collateral or guarantor support.

● Substandard – These loans are inadequately protected by current sound net worth, paying capacity, or collateral. Well-defined weaknesses exist that could jeopardize repayment of debt. Loss may not be imminent, but if weaknesses are not corrected, there is a good possibility of some loss.

● Doubtful – The possibility of loss is extremely high, but due to identifiable and important pending events (which may strengthen the loan), a loss classification is deferred until the situation is better defined.

● Loss – These loans are considered uncollectible and of such little value that to continue to carry the loan as an active asset is no longer warranted.

The following table summarizes the Company’s loans held for investment as of September 30, 2023 and December 31, 2022, presented by loan portfolio segments, internal risk ratings and vintage year. The vintage year is the year of origination, renewal or major modification:

	Loans Amortized Cost Basis by Origination Year
September 30, 2023	2023		2022		2021		2020		2019		Prior		Revolving Loans		Revolving Converted to Term Loans		Total
	(In thousands)
Commercial loans
Pass/Watch	$	259,326	$	387,990	$	357,365	$	113,463	$	90,879	$	155,766	$	1,568,766	$	7,175	$	2,940,730
Special Mention		4,188		2,083		8,582		29,311		915		773		53,164		—		99,016
Substandard		166		524		11,450		165		768		5,753		29,709		222		48,757
Total	$	263,680	$	390,597	$	377,397	$	142,939	$	92,562	$	162,292	$	1,651,639	$	7,397	$	3,088,503
YTD gross write-offs	$	—	$	276	$	760	$	245	$	3,672	$	6,043	$	1,521	$	—	$	12,517
Real estate construction loans
Pass/Watch	$	22,304	$	118,205	$	218,002	$	44,627	$	16,533	$	3,132	$	—	$	—	$	422,803
Special Mention		1,482		—		8,248		—		—		22,998		—		—		32,728
Substandard		—		—		—		—		7,736		9,255		—		—		16,991
Total	$	23,786	$	118,205	$	226,250	$	44,627	$	24,269	$	35,385	$	—	$	—	$	472,522
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial mortgage loans
Pass/Watch	$	1,626,562	$	2,005,931	$	1,617,398	$	923,929	$	1,032,298	$	1,855,014	$	186,502	$	—	$	9,247,634
Special Mention		34,868		19,097		34,891		3,330		16,198		34,985		1,399		—		144,768
Substandard		—		11,937		12,247		5,526		17,376		62,260		2,671		—		112,017
Total	$	1,661,430	$	2,036,965	$	1,664,536	$	932,785	$	1,065,872	$	1,952,259	$	190,572	$	—	$	9,504,419
YTD gross write-offs	$	—	$	—	$	207	$	—	$	969	$	4,165	$	—	$	—	$	5,341
Residential mortgage loans
Pass/Watch	$	847,550	$	1,147,491	$	920,385	$	538,989	$	557,098	$	1,652,948	$	—	$	—	$	5,664,461
Special Mention		—		—		—		33		—		1,632		—		—		1,665
Substandard		—		951		433		3,446		2,555		13,150		—		—		20,535
Total	$	847,550	$	1,148,442	$	920,818	$	542,468	$	559,653	$	1,667,730	$	—	$	—	$	5,686,661
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Equity lines
Pass/Watch	$	—	$	108	$	—	$	—	$	—	$	—	$	233,892	$	17,322	$	251,322
Special Mention		—		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		3,362		175		3,537
Total	$	—	$	108	$	—	$	—	$	—	$	—	$	237,254	$	17,497	$	254,859
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Installment and other loans
Pass/Watch	$	4,591	$	2,735	$	5	$	—	$	—	$	—	$	—	$	—	$	7,331
Special Mention		—		6		—		—		—		—		—		—		6
Substandard		—		—		—		—		—		—		—		—		—
Total	$	4,591	$	2,741	$	5	$	—	$	—	$	—	$	—	$	—	$	7,337
YTD gross write-offs	$	—	$	15	$	—	$	—	$	—	$	—	$	—	$	—	$	15
Total loans	$	2,801,037	$	3,697,058	$	3,189,006	$	1,662,819	$	1,742,356	$	3,817,666	$	2,079,465	$	24,894	$	19,014,301
Total YTD gross write-offs	$	—	$	291	$	967	$	245	$	4,641	$	10,208	$	1,521	$	—	$	17,873

	Loans Amortized Cost Basis by Origination Year
December 31, 2022	2023		2022		2021		2020		2019		Prior		Revolving Loans		Revolving Converted to Term Loans		Total
	(In thousands)
Commercial loans
Pass/Watch	$	488,748	$	446,647	$	180,226	$	119,355	$	107,896	$	106,649	$	1,753,509	$	6,560	$	3,209,590
Special Mention		1,212		4,696		2,818		68		308		4,354		41,110		—		54,566
Substandard		25		12,750		342		4,859		2,766		6,985		22,084		133		49,944
Doubtful		—		—		—		1,504		2,185		—		234		—		3,923
Total	$	489,985	$	464,093	$	183,386	$	125,786	$	113,155	$	117,988	$	1,816,937	$	6,693	$	3,318,023
YTD gross write-offs	$	96	$	587	$	120	$	71	$	1,786	$	360	$	202	$	—	$	3,222
Real estate construction loans
Pass/Watch	$	99,798	$	264,197	$	113,312	$	20,479	$	3,067	$	—	$	—	$	—	$	500,853
Special Mention		—		360		9,449		11,643		22,945		—		—		—		44,397
Substandard		—		—		—		1,736		9,309		—		—		—		11,045
Total	$	99,798	$	264,557	$	122,761	$	33,858	$	35,321	$	—	$	—	$	—	$	556,295
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial mortgage loans
Pass/Watch	$	2,087,650	$	1,728,607	$	975,953	$	1,094,505	$	908,748	$	1,420,982	$	178,116	$	—	$	8,394,561
Special Mention		22,150		57,015		25,593		32,119		17,999		63,782		1,600		—		220,258
Substandard		12,320		7,861		14,392		19,972		34,899		81,844		2,631		—		173,919
Total	$	2,122,120	$	1,793,483	$	1,015,938	$	1,146,596	$	961,646	$	1,566,608	$	182,347	$	—	$	8,788,738
YTD gross write-offs	$	—	$	—	$	—	$	—	$	2,091	$	—	$	—	$	—	$	2,091
Residential mortgage loans
Pass/Watch	$	1,228,391	$	964,799	$	580,990	$	600,786	$	417,565	$	1,444,320	$	—	$	—	$	5,236,851
Special Mention		—		—		33		—		752		905		—		—		1,690
Substandard		206		762		2,028		1,966		1,799		8,785		—		—		15,546
Total	$	1,228,597	$	965,561	$	583,051	$	602,752	$	420,116	$	1,454,010	$	—	$	—	$	5,254,087
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Equity lines
Pass/Watch	$	731	$	—	$	—	$	—	$	—	$	—	$	302,825	$	21,460	$	325,016
Special Mention		5		—		—		—		—		—		—		—		5
Substandard		12		—		—		—		—		—		1,043		220		1,275
Total	$	748	$	—	$	—	$	—	$	—	$	—	$	303,868	$	21,680	$	326,296
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Installment and other loans
Pass/Watch	$	1,792	$	2,152	$	—	$	—	$	—	$	—	$	—	$	—	$	3,944
Total	$	1,792	$	2,152	$	—	$	—	$	—	$	—	$	—	$	—	$	3,944
YTD gross write-offs	$	115	$	—	$	—	$	—	$	—	$	—	$	62	$	—	$	177
Total loans	$	3,943,040	$	3,489,846	$	1,905,136	$	1,908,992	$	1,530,238	$	3,138,606	$	2,303,152	$	28,373	$	18,247,383
Total YTD gross write-offs	$	211	$	587	$	120	$	71	$	3,877	$	360	$	264	$	—	$	5,490

Revolving loans that are converted to term loans presented in the table above are excluded from the term loans by vintage year columns.

Allowance for Credit Losses

The Company has an allowance framework under ASC Topic 326 for all financial assets measured at amortized cost and certain off-balance sheet credit exposures. The measurement of the allowance for credit losses is based on management’s best estimate of lifetime expected credit losses inherent in the Company’s relevant financial assets. The forward-looking concept of current expected credit loss (“CECL”) approach requires loss estimates to consider historical experience, current conditions and reasonable and supportable economic forecasts of future events and circumstances.

The ACL is the combination of the allowance for loan losses and the reserve for unfunded loan commitments. The allowance for loan losses is reported as a reduction of the amortized cost basis of loans, while the reserve for unfunded loan commitments is included within "other liabilities" on the Consolidated Balance Sheets (Unaudited). The amortized cost basis of loans does not include accrued interest receivable, which is included in "accrued interest receivable" on the Consolidated Balance Sheets. The "Provision for credit losses" on the Consolidated Statements of Operations and Comprehensive Income (Unaudited) is a combination of the provision for loan losses and the provision for unfunded loan commitments.

Under the Company’s CECL approach, management estimates the ACL using relevant available information from internal and external sources, relating to past events, current conditions, and reasonable and supportable economic forecasts that vary by loan portfolio. We use economic forecasts from Moody’s Analytics in this process. The economic forecast is updated monthly; therefore, the one used for each quarter-end calculation is generally based on a one-month lag based on the timing of when the forecast is released. The Company does not consider a one-month lag to create a material difference but considers any subsequent material changes to our estimated loss forecasts as deemed appropriate. Historical credit loss experience provides the basis for the estimation of expected credit losses. Adjustments to historical loss information are made for differences in current loan-specific risk characteristics such as differences in underwriting standards, portfolio mix, delinquency level, or term as well as for changes in environmental conditions, such as changes in gross domestic product (or “GDP”), unemployment rates, property values, or other relevant factors.

Under the CECL methodology, quantitative and qualitative loss factors are applied to our population of loans on a collective pool basis when similar risk characteristics exist. The Company evaluates loans for expected credit losses on an individual basis if, based on current information and events, the loan does not share similar credit risk characteristics with other loans. The Company may choose to measure expected credit losses on an individual loan basis by using one of the following methods: (1) the present value of the expected future cash flows of the loan discounted at the loan’s original effective interest rate, or (2) if the loan is collateral dependent, the fair value of the collateral less costs to sell. For loans that are not collateral-dependent, the Company uses the present value of future cash flows.

Quantitative Factors

Under the Company’s CECL methodology, nine portfolio segments with similar risk characteristics are evaluated for expected loss. Six portfolios are modeled using econometric models and three smaller portfolios are evaluated using a simplified loss-rate method that calculates lifetime expected credit losses for the respective pools (simplified approach). The six portfolios subject to econometric modeling include residential mortgages; commercial and industrial loans (“C&I”); construction loans; commercial real estate (“CRE”) for multifamily loans; CRE for owner-occupied loans; and other CRE loans. We estimate the probability of default during the reasonable and supportable forecast period using separate econometric regression models developed to correlate macroeconomic variables, (GDP, unemployment, CRE prices and residential mortgage prices) to historical credit performance for each of the six loan portfolios from the fourth quarter of 2007 to the fourth quarter of 2022. Loss given default rates are computed based on the charge-offs recognized divided by the exposure at default of defaulted loans starting with the fourth quarter of 2007 through the fourth quarter of 2022. The probability of default and the loss given default rates are applied to the expected amount at default at the loan level based on contractual scheduled payments and estimated prepayments. The amounts so calculated comprise the quantitative portion of the allowance for credit losses.

The Company’s CECL methodology utilizes an eight-quarter reasonable and supportable (“R&S”) forecast period, and a four-quarter reversion period. Management relies on multiple forecasts, blending them into a single loss estimate. Generally speaking, the blended scenario approach would include the Baseline, the Alternative Scenario 1 – Upside – 10th Percentile and the Alternative Scenario 3 – Downside – 90th Percentile forecasts. After the R&S period, the Company reverts linearly for the four-quarter reversion period to the long-term loss rates for each of the six portfolios of loans.

The Company’s CECL methodology estimates expected credit losses over the contractual term of the loans, adjusted for expected prepayments when appropriate. The contractual term excludes expected extensions, renewals, and modifications unless the extension or renewal options are included in the original or modified contract at the reporting date and are not unconditionally cancellable by the Company.

The simplified approach portfolios include Small Business Administration (“SBA”) loans, Home Equity Lines of Credit (“HELOCs”) and cash-secured loans, which are not modelled econometrically due to the low loss history for these three pools of loans. The forecasted loss rate is based on the forecasted GDP and unemployment rates during the first eight quarters of the portfolio’s contractual life, reversion loss rates for the next four quarters of the portfolio’s contractual life on a linear declining rate, and the long-term loss rate projected over the remainder of the portfolio’s contractual life.

Qualitative Factors

Under the Company’s CECL methodology, the qualitative portion of the reserve on pooled loans represents management’s judgment of additional considerations to account for internal and external risk factors that are not adequately measured in the quantitative reserve. The qualitative loss factors consider idiosyncratic risk factors, conditions that may not be reflected in quantitatively derived results, or other relevant factors to seek to ensure the allowance for credit losses reflects our best estimate of current expected credit losses. The qualitative reserves include reserves for policy exceptions, experience of management and staff, level of competition in the lending environment, weak risk identification, lack of historical experience with residential mortgage loans made to non-U.S. residents, oil & gas, included as part of the C&I loan portfolio, and the higher risk characteristics of purchased syndicated loans, and model uncertainty. Current and forecasted economic trends and underlying market values for collateral dependent loans also are considered within the econometric models described above.

The Company’s CECL methodology requires a significant amount of management judgment in determining the appropriate allowance for credit losses. Several of the steps in the methodology involve judgment and are subjective in nature including, among other things:

● Segmenting the loan portfolio

● Determining the amount of loss history to consider

● Selecting predictive econometric regression models that use appropriate macroeconomic variables

● Determining the methodology to forecast prepayments

● Selecting the most appropriate economic forecast scenario

● Determining the length of the R&S forecast and reversion periods

● Estimating expected utilization rates on unfunded loan commitments

● Assessing relevant and appropriate qualitative factors.

In addition, the CECL methodology is dependent on economic forecasts that are inherently imprecise and will change from period to period. Although the allowance for credit losses is considered by management to be appropriate, there can be no assurance that it will be sufficient to absorb future losses.

Management believes the allowance for credit losses is appropriate for the CECL in our loan portfolio and associated unfunded commitments, and the credit risk ratings and inherent loss rates currently assigned are reasonable and appropriate as of the reporting date.

Individually Evaluated Loans 

When a loan no longer shares similar risk characteristics with other loans, such as in the case of certain nonaccrual loans, the Company estimates the allowance for loan losses on an individual loan basis. Generally, the allowance for loan losses for individually evaluated loans is measured as the difference between the recorded value of the loans and the fair value of the collateral. For loans evaluated individually, the Company uses one of two different asset valuation measurement methods: (1) the fair value of collateral less costs to sell; or (2) the present value of expected future cash flows. If an individually evaluated loan is determined to be collateral dependent, the Company applies the fair value of the collateral less costs to sell method. If an individually evaluated loan is determined not to be collateral dependent, the Company uses the present value of future cash flows.

Unfunded Loan Commitments

Unfunded loan commitments are generally related to providing credit facilities to clients of the Bank and are not actively traded financial instruments. These unfunded commitments are disclosed as off-balance sheet financial instruments in Note 10 in the Notes to Consolidated Financial Statements (Unaudited).

The Company estimates expected credit losses over the contractual period in which the Company is exposed to credit risk via a contractual obligation to extend credit, unless that obligation is unconditionally cancellable by the Company, using the same loss factors as used for the allowance for loan losses. The reserve for unfunded loan commitments uses a one-year historical usage rate of the unfunded commitments during the contractual life of the commitments. The allowance for unfunded commitments is included in “other liabilities” on the Consolidated Balance Sheets. Changes in the allowance for unfunded commitments are included in the provision for credit losses.

The following tables set forth activity in the allowance for loan losses by portfolio segment for the three months and nine months ended September 30, 2023, and June 30, 2022.

Three months ended  September 30, 2023 and 2022

										Residential
				Real Estate			Commercial			Mortgage Loans		Installment
	Commercial			Construction			Mortgage			and		and Other
	Loans			Loans			Loans			Equity Lines		Loans			Total
	(In thousands)
Allowance for Loan Losses:
June 30, 2023 Ending Balance	$	50,579		$	12,751		$	73,547		$	18,214	$	18		$	155,109
(Reversal)/provision for expected credit losses		(178	)		2,360			3,307			586		46			6,121
Charge-offs		(6,254	)		—			(1,221	)		—		(8	)		(7,483	)
Recoveries		611			—			252			9		—			872
Net charge-offs		(5,643	)		—			(969	)		9		(8	)		(6,611	)
September 30, 2023 Ending Balance	$	44,758		$	15,111		$	75,885		$	18,809	$	56		$	154,619
Allowance for unfunded credit commitments:
June 30, 2023 Ending Balance	$	6,984		$	3,541		$	—		$	—	$	—		$	10,525
Provision/(reversal) for expected credit losses		1,570			(691	)		—			—		—			879
September 30, 2023 Ending Balance	$	8,554		$	2,850		$	—		$	—	$	—		$	11,404

										Residential
				Real Estate			Commercial			Mortgage Loans			Installment
	Commercial			Construction			Mortgage			and			and Other
	Loans			Loans			Loans			Equity Lines			Loans			Total
	(In thousands)
Allowance for Loan Losses:
June 30, 2022 Ending Balance	$	49,069		$	7,276		$	68,600		$	23,692		$	135		$	148,772
Provision/(reversal) for expected credit losses		1,845			(1,065	)		1,362			(1,612	)		72			602
Charge-offs		(2,091	)		—			—			(58	)		(79	)		(2,228	)
Recoveries		1,576			—			88			7			—			1,671
Net (charge-offs)/recoveries		(515	)		—			88			(51	)		(79	)		(557	)
September 30, 2022 Ending Balance	$	50,399		$	6,211		$	70,050		$	22,029		$	128		$	148,817
Allowance for unfunded credit commitments:
June 30, 2022 Ending Balance	$	2,804		$	3,306		$	26		$	—		$	—		$	6,136
Provision/(reversal) for expected credit losses		1,576			(152	)		(26	)		—			—			1,398
September 30, 2022 Ending Balance	$	4,380		$	3,154		$	—		$	—		$	—		$	7,534

Nine months ended September 30, 2023 and 2022

										Residential
				Real Estate			Commercial			Mortgage Loans		Installment
	Commercial			Construction			Mortgage			and		and Other
	Loans			Loans			Loans			Equity Lines		Loans			Total
	(In thousands)
Allowance for Loan Losses:
December 31, 2022 Ending Balance	$	49,435		$	10,417		$	68,366		$	18,232	$	35		$	146,485
Provision for expected credit losses		6,276			4,694			10,027			548		36			21,581
Charge-offs		(12,517	)		—			(5,341	)		—		(15	)		(17,873	)
Recoveries		1,564			—			2,833			29		—			4,426
Net (charge-offs)/recoveries		(10,953	)		—			(2,508	)		29		(15	)		(13,447	)
September 30, 2023 Ending Balance	$	44,758		$	15,111		$	75,885		$	18,809	$	56		$	154,619
Allowance for unfunded credit commitments:
December 31, 2022 Ending Balance	$	4,840		$	3,890		$	—		$	—	$	—		$	8,730
Provision/(reversal) for expected credit losses		3,714			(1,040	)		—			—		—			2,674
September 30, 2023 Ending Balance	$	8,554		$	2,850		$	—		$	—	$	—		$	11,404

									Residential
				Real Estate			Commercial		Mortgage Loans			Installment
	Commercial			Construction			Mortgage		and			and Other
	Loans			Loans			Loans		Equity Lines			Loans			Total
	(In thousands)
Allowance for Loan Losses:
December 31, 2021 Ending Balance	$	43,394		$	6,302		$	61,081	$	25,379		$	1		$	136,157
Provision/(reversal) for expected credit losses		7,258			(97	)		8,699		(3,357	)		206			12,709
Charge-offs		(2,362	)		—			—		(58	)		(80	)		(2,500	)
Recoveries		2,109			6			270		65			1			2,451
Net (charge-offs)/recoveries		(253	)		6			270		7			(79	)		(49	)
September 30, 2022 Ending Balance	$	50,399		$	6,211		$	70,050	$	22,029		$	128		$	148,817
Allowance for unfunded credit commitments:
December 31, 2021 Ending Balance	$	3,725		$	3,375		$	—	$	—		$	—		$	7,100
Provision/(reversal) for expected credit losses		655			(221	)		—		—			—			434
September 30, 2022 Ending Balance	$	4,380		$	3,154		$	—	$	—		$	—		$	7,534

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Note 10 - Commitments and Contingencies

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Commitments and Contingencies Disclosure [Text Block]

10. Commitments and Contingencies

From time to time, Bancorp and its subsidiaries are parties to litigation that arise in the ordinary course of business or otherwise are incidental to various aspects of its operations. Based upon information available to the Company and its review of any such litigation with counsel, management presently believes that the liability relating to such litigation, if any, would not be expected to have a material adverse impact on the Company’s consolidated financial condition, results of operations or liquidity taken as a whole. 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 the Company’s consolidated financial condition, results of operations or liquidity taken as a whole.

Although the Company establishes accruals for legal proceedings when information related to the loss contingencies represented by those matters indicates both that a loss is probable and that the amount of loss can be reasonably estimated, the Company does not have accruals for all legal proceedings where there is a risk of loss. In addition, amounts accrued may not represent the ultimate loss to the Company from the legal proceedings in question. Thus, ultimate losses may be higher or lower, and possibly significantly so, than the amounts accrued for legal loss contingencies.

In the normal course of business, the Company from time to time becomes a party to financial instruments with off-balance sheet risk to meet the financing needs of its clients. These financial instruments include commitments to extend credit in the form of loans, or through commercial or standby letters of credit and financial guarantees. These instruments represent varying degrees of exposure to risk in excess of the amounts included in the accompanying Consolidated Balance Sheets. The contractual or notional amount of these instruments indicates a level of activity associated with a particular class of financial instrument and is not a reflection of the level of expected losses, if any.

The Company’s unfunded commitments related to investments in qualified affordable housing and alternative energy partnerships were $144.7 million and $133.5 million as of September 30, 2023, and December 31, 2022, respectively.

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Note 11 - Borrowed Funds

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Debt Disclosure [Text Block]

11. Borrowed Funds

Borrowings from the Federal Home Loan Bank (“FHLB”) – There were no over-night borrowings from the FHLB as of September 30, 2023, and $150.0 million in over-night borrowings as of December 31, 2022. Advances from the FHLB were $15.0 million at a weighted average rate of 5.54% as of September 30, 2023, and $335.0 million at a weighted average rate of 4.54% as of December 31, 2022. As of September 30, 2023, final maturity for the FHLB advances was $15.0 million in September 2024. Our unused borrowing capacity from the Federal Home Loan Bank as of September 30, 2023 was $7.30 billion and unpledged securities at September 30, 2023 was $1.38 billion.

Junior Subordinated Notes – The Company established three special purpose trusts in 2003 and two in 2007 for the purpose of issuing Guaranteed Preferred Beneficial Interests in their Subordinated Debentures to outside investors (“Capital Securities”). The proceeds from the issuance of the Capital Securities as well as our purchase of the common stock of the special purpose trusts were invested in Junior Subordinated Notes of the Company (“Junior Subordinated Notes”). The trusts exist for the purpose of issuing the Capital Securities and investing in Junior Subordinated Notes. Subject to some limitations, payment of distributions out of the monies held by the trusts and payments on liquidation of the trusts, or the redemption of the Capital Securities, are guaranteed by the Company to the extent the trusts have funds on hand at such time. The obligations of the Company under the guarantees and the Junior Subordinated Notes are subordinate and junior in right of payment to all indebtedness of the Company and are structurally subordinated to all liabilities and obligations of the Company’s subsidiaries. The Company has the right to defer payments of interest on the Junior Subordinated Notes at any time or from time to time for a period of up to twenty consecutive quarterly periods with respect to each deferral period. Under the terms of the Junior Subordinated Notes, the Company may not, with certain exceptions, declare or pay any dividends or distributions on its capital stock or purchase or acquire any of its capital stock if it has deferred payment of interest on any Junior Subordinated Notes.

At September 30, 2023, Junior Subordinated Notes totaled $119.1 million with a weighted average interest rate of 7.41%, compared to $119.1 million with a weighted average rate of 4.01% at December 31, 2022. The Junior Subordinated Notes have a stated maturity term of 30 years.

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Note 12 - Income Taxes

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Income Tax Disclosure [Text Block]

12. Income Taxes

The effective tax rate for the first nine months of  2023 was 12.6% compared to 22.9% for the first nine months of 2022. The effective tax rate includes the impact of low-income housing and alternative energy investment tax credits.

The Company’s tax returns are open for audit by the Internal Revenue Service back to 2019 and by the California Franchise Tax Board back to 2018.

It is reasonably possible that unrecognized tax benefits could change significantly over the next twelve months. The Company does not expect that any such changes would have a material impact on its annual effective tax rate.

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Note 13 - Fair Value Measurements and Fair Value of Financial Instruments

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Fair Value Disclosures [Text Block]

13. Fair Value Measurements and Fair Value of Financial Instruments

The Company uses fair value to measure certain assets and liabilities on a recurring basis, primarily securities available-for-sale and derivatives. For assets measured at the lower of cost or fair value, the fair value measurement criteria may or may not be met during a reporting period and such measurements are therefore considered “nonrecurring” for purposes of disclosing our fair value measurements. Fair value is used on a nonrecurring basis to adjust carrying values for individually evaluated loans and other real estate owned and also to record impairment on certain assets, such as goodwill, CDI, and other long-lived assets.

The Company used valuation methodologies to measure assets at fair value under ASC Topic 820 and ASC Topic 825, as amended by ASU 2016-01 and ASU 2018-03, to estimate the fair value of financial instruments not recorded at fair value. The fair value of the Company’s assets and liabilities is classified and disclosed in one of the following three categories:

● Level 1 – Quoted prices in active markets for identical assets or liabilities.

● Level 2 – Observable prices in active markets for similar assets or liabilities; prices for identical or similar assets or liabilities in markets that are not active; directly observable market inputs for substantially the full term of the asset and liability; market inputs that are not directly observable but are derived from or corroborated by observable market data.

● Level 3 – Unobservable inputs based on the Company’s own judgment about the assumptions that a market participant would use.

The classification of assets and liabilities within the hierarchy is based on whether inputs to the valuation methodology used are observable or unobservable, and the significance of those inputs in the fair value measurement. The Company’s assets and liabilities are classified in their entirety based on the lowest level of input that is significant to their fair value measurements.

Financial assets and liabilities measured at fair value on a recurring basis:

The Company uses the following methodologies to measure the fair value of its financial assets and liabilities on a recurring basis:

Securities Available-for-Sale and Equity Securities - For certain actively traded agency preferred stocks, mutual funds, U.S. Treasury securities, and other equity securities, the Company measures the fair value based on quoted market prices in active exchange markets at the reporting date, a Level 1 measurement. The Company also measures securities by using quoted market prices for similar securities or dealer quotes, a Level 2 measurement. This category generally includes U.S. Government agency securities, U.S. Government sponsored entities, state and municipal securities, mortgage-backed securities (“MBS”), collateralized mortgage obligations and corporate bonds.

Warrants - The Company measures the fair value of warrants based on unobservable inputs based on assumptions and management judgment, a Level 3 measurement.

Interest Rate Swaps – The Company measures the fair value of interest rate swaps using third party models with observable market data, a Level 2 measurement.

Currency Option Contracts and Foreign Exchange Contracts - The Company measures the fair value of currency option contracts and foreign exchange contracts based on observable market rates on a recurring basis, a Level 2 measurement.

The following tables present financial assets and liabilities that are measured at fair value on a recurring basis as of September 30, 2023 and December 31, 2022:

	September 30, 2023
	Fair Value Measurements Using						Total Fair Value
	Level 1		Level 2		Level 3		Measurements
	(In thousands)
Assets
Securities available-for-sale
U.S. Treasury securities	$	392,842	$	—	$	—	$	392,842
U.S. government agency entities		—		51,001		—		51,001
U.S. government sponsored entities		—		33,620		—		33,620
Mortgage-backed securities		—		761,803		—		761,803
Collateralized mortgage obligations		—		27,698		—		27,698
Corporate debt securities		—		231,872		—		231,872
Foreign debt securities		—		9,962		—		9,962
Total securities available-for-sale		392,842		1,115,956		—		1,508,798
Equity securities
Mutual funds		5,337		—		—		5,337
Preferred stock of government sponsored entities		1,378		—		—		1,378
Other equity securities		24,741		—		—		24,741
Total equity securities		31,456		—		—		31,456
Warrants		—		—		42		42
Interest rate swaps		—		83,434		—		83,434
Foreign exchange contracts		—		858		—		858
Total assets	$	424,298	$	1,200,248	$	42	$	1,624,588
Liabilities
Interest rate swaps	$	—	$	56,058	$	—	$	56,058
Foreign exchange contracts		—		939		—		939
Total liabilities	$	—	$	56,997	$	—	$	56,997

	December 31, 2022
	Fair Value Measurements Using						Total Fair Value
	Level 1		Level 2		Level 3		Measurements
	(In thousands)
Assets
Securities available-for-sale
U.S. Treasury securities	$	240,500	$	—	$	—	$	240,500
U.S. government agency entities		—		63,610		—		63,610
U.S. government sponsored entities		—		30,000		—		30,000
Mortgage-backed securities		—		867,094		—		867,094
Collateralized mortgage obligations		—		31,061		—		31,061
Corporate debt securities		—		241,083		—		241,083
Total securities available-for-sale		240,500		1,232,848		—		1,473,348
Equity securities
Mutual funds		5,509		—		—		5,509
Preferred stock of government sponsored entities		1,289		—		—		1,289
Other equity securities		15,360		—		—		15,360
Total equity securities		22,158		—		—		22,158
Warrants		—		—		50		50
Interest rate swaps		—		44,443		—		44,443
Foreign exchange contracts		—		448		—		448
Total assets	$	262,658	$	1,277,739	$	50	$	1,540,447
Liabilities
Interest rate swaps	$	—	$	51,864	$	—	$	51,864
Foreign exchange contracts		—		942		—		942
Total liabilities	$	—	$	52,806	$	—	$	52,806

Financial assets and liabilities measured at estimated fair value on a non-recurring basis:

Certain assets or liabilities are required to be measured at estimated fair value on a nonrecurring basis subsequent to initial recognition. Generally, these adjustments are the result of lower-of-cost-or-fair value or other impairment write-downs of individual assets. In determining the estimated fair values during the period, the Company determined that substantially all the changes in estimated fair value were due to declines in market conditions versus instrument specific credit risk. For the periods ended September 30, 2023, and December 31, 2022, there were no material adjustments to fair value for the Company’s assets and liabilities measured at fair value on a nonrecurring basis in accordance with GAAP.

For financial assets measured at fair value on a nonrecurring basis that were still reflected in the Consolidated Balance Sheets as of September 30, 2023, the following tables set forth the level of valuation assumptions used to determine each adjustment, the carrying value of the related individual assets as of September 30, 2023, and December 31, 2022, and the total losses for the periods indicated:

	As of September 30, 2023								Total Losses
	Fair Value Measurements Using						Total Fair Value		For the Three Months Ended				For the Nine Months Ended
	Level 1		Level 2		Level 3		Measurements		September 30, 2023		September 30, 2022		September 30, 2023		September 30, 2022
	(In thousands)
Assets
Non accrual loans by type:
Commercial loans	$	—	$	—	$	—	$	—	$	—	$	1,786	$	—	$	1,786
Commercial mortgage loans		—		—		7,051		7,051		252		—		4,069		—
Real estate construction loans		—		—		5,034		5,034		—		—		—		—
Total non accrual loans		—		—		12,085		12,085		252		1,786		4,069		1,786
Other real estate owned (1)		—		—		15,328		15,328		—		—		—		—
Investments in venture capital		—		—		447		447		—		—		—		—
Total assets	$	—	$	—	$	27,860	$	27,860	$	252	$	1,786	$	4,069	$	1,786

(1) Other real estate owned balance of $14.4 million in the Consolidated Balance Sheets is net of estimated disposal costs.

	As of December 31, 2022								Total Losses
	Fair Value Measurements Using						Total Fair Value		For the Twelve Months Ended
	Level 1		Level 2		Level 3		Measurements		December 31, 2022		December 31, 2021
	(In thousands)
Assets
Non accrual loans by type:
Commercial loans	$	—	$	—	$	12,950	$	12,950	$	1,786	$	1,012
Commercial mortgage loans		—		—		32,205		32,205		2,091		—
Residential mortgage loans and equity lines		—		—		8,978		8,978		—		—
Installment and other loans		—		—		8		8		—		—
Total non accrual loans		—		—		54,141		54,141		3,877		1,012
Other real estate owned (1)		—		—		4,328		4,328		—		17
Investments in venture capital		—		—		689		689		268		143
Total assets	$	—	$	—	$	59,158	$	59,158	$	4,145	$	1,172

(1) Other real estate owned balance of $4.1 million in the Consolidated Balance Sheets is net of estimated disposal costs.

The significant unobservable (Level 3) inputs used in the fair value measurement of collateral for collateral-dependent individually evaluated loans are primarily based on the appraised value of collateral adjusted by estimated sales cost and commissions. The Company generally obtains new appraisal reports every twelve months as appropriate. As the Company’s primary objective in the event of default would be to monetize the collateral to settle the outstanding balance of the loan, less marketable collateral would receive a larger discount. In the current year, the Company used borrower specific collateral discounts with various discount levels.

The fair value of individually evaluated loans is calculated based on the net realizable fair value of the collateral or the observable market price of the most recent sale or quoted price from loans held for sale. The Company does not record loans at fair value on a recurring basis. Nonrecurring fair value adjustments to collateral dependent individually evaluated loans are recorded based on the current appraised value of the collateral, a Level 2 measurement, or management’s judgment and estimation of value using discounted future cash flows or old appraisals which are then adjusted based on recent market trends, a Level 3 measurement.

The significant unobservable inputs (Level 3) used in the fair value measurement of other real estate owned (“OREO”) are primarily based on the appraised value of OREO adjusted by estimated sales cost and commissions. The Company applies estimated sales cost and commissions ranging from 3% to 6% of the collateral value of individually evaluated loans, quoted price, or loan sale price of loans held for sale, and appraised value of OREO.

The significant unobservable inputs in the Black-Scholes option pricing model for the fair value of warrants are their expected life ranging from one to six years, risk-free interest rate from 4.25% to 5.11%, and stock volatility from 20.14% to 27.69% as of   September 30, 2023 and   December 31, 2022.

Fair value is estimated in accordance with ASC Topic 825. Fair value estimates are made at specific points in time, based on relevant market information and information about the financial instrument. These estimates do not reflect any premium or discount that could result from offering for sale at one time the Bank’s entire holdings of a particular financial instrument. Because no market exists for a significant portion of the Bank’s financial instruments, fair value estimates are based on judgments regarding future expected loss experience, current economic conditions, risk characteristics of various financial instruments, and other factors. These estimates are subjective in nature and involve uncertainties and matters of significant judgment and therefore cannot be determined with precision. Changes in assumptions could significantly affect the estimates.

The following table sets forth the carrying and notional amounts and estimated fair value of financial instruments as of September 30, 2023, and December 31, 2022 :

	September 30, 2023				December 31, 2022
	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
	(In thousands)
Financial Assets
Cash and due from banks	$	145,580	$	145,580	$	195,440	$	195,440
Short-term investments		1,017,354		1,017,354		966,962		966,962
Securities available-for-sale		1,508,798		1,508,798		1,473,348		1,473,348
Loans, net		18,859,682		18,838,004		18,100,898		17,944,588
Equity securities		31,456		31,456		22,158		22,158
Investment in Federal Home Loan Bank stock		17,250		17,250		17,250		17,250
Warrants		42		42		50		50

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Foreign exchange contracts	$	220,784	$	858	$	72,996	$	448
Interest rate swaps		1,502,403		83,434		817,615		44,443

	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
Financial Liabilities
Deposits	$	19,635,588	$	19,746,224	$	18,505,279	$	18,572,387
Advances from Federal Home Loan Bank		15,000		14,186		485,000		482,737
Other borrowings		22,374		18,282		22,600		18,385
Long-term debt		119,136		68,536		119,136		68,231

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Foreign exchange contracts	$	64,971	$	939	$	170,213	$	942
Interest rate swaps		642,054		56,058		595,426		51,864

	Notional					Notional
	Amount		Fair Value			Amount		Fair Value
Off-Balance Sheet Financial Instruments
Commitments to extend credit	$	3,989,855	$	(15,038	)	$	3,630,304	$	(14,797	)
Standby letters of credit		329,789		(2,308	)		315,821		(2,738	)
Other letters of credit		10,214		(10	)		29,416		(33	)
Bill of lading guarantees		—		—			—		—

The following tables set forth the level in the fair value hierarchy for the estimated fair values of financial instruments as of September 30, 2023, and December 31, 2022, excluding financial instruments recorded at fair value on a recurring basis already presented in other tables in this note:

	As of September 30, 2023
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	145,580	$	145,580	$	—	$	—
Short-term investments		1,017,354		1,017,354		—		—
Loans, net		18,838,004		—		—		18,838,004
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Financial Liabilities
Deposits		19,746,224		—		—		19,746,224
Advances from Federal Home Loan Bank		14,186		—		14,186		—
Other borrowings		18,282		—		—		18,282
Long-term debt		68,536		—		68,536		—

	As of December 31, 2022
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	195,440	$	195,440	$	—	$	—
Short-term investments		966,962		966,962		—		—
Loans, net		17,944,588		—		—		17,944,588
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Warrants		50		—		—		50
Financial Liabilities
Deposits		18,572,387		—		—		18,572,387
Advances from Federal Home Loan Bank		482,737		—		482,737		—
Other borrowings		18,385		—		—		18,385
Long-term debt		68,231		—		68,231		—

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Note 14 - Goodwill and Other Intangible Assets

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Goodwill and Intangible Assets Disclosure [Text Block]

14. Goodwill and Other Intangible Assets

Goodwill. Total goodwill was $375.7 million as of September 30, 2023 and remains unchanged compared with December 31, 2022. The Company completed its annual goodwill impairment testing and concluded that goodwill was not impaired as of December 31, 2022. Additionally, the Company reviewed the macroeconomic conditions on its business performance and market capitalization as a result of the banking industry market disruptions during the first nine months of 2023 and concluded that goodwill was not impaired as of September 30, 2023.

Core Deposit Intangibles. As a result of the acquisition of HSBC’s West Coast mass retail market consumer banking business and retail business banking business, the Company added core deposit intangible of $3.1 million in 2022.

The following table presents the gross carrying amount and accumulated amortization of core deposits intangible assets as of September 30, 2023 and December 31, 2022:

	September 30, 2023			December 31, 2022
	(In thousands)
Gross balance	$	10,562		$	10,562
Accumulated amortization		(5,041	)		(4,291	)
Impairment		(1,227	)		(918	)
Net carrying balance	$	4,294		$	5,353

There were no impairment write-downs on core deposit intangibles for the three months ended September 30, 2023 and 2022 and $309 thousand for the nine months ended September 30, 2023 included in amortization of core deposit intangibles. There was $918 thousand impairment write-down for the year ended December 31, 2022 included in amortization of core deposit intangibles on the Consolidated Statements of Operations and Comprehensive Income.

The Company amortizes the core deposit intangibles based on the projected useful lives of the related deposits. The amortization expense related to the core deposit intangible assets was $250 thousand for each of the three months ended September 30, 2023 and 2022.

	Amount
	(In thousands)
2023	$	250
2024		1,001
2025		946
2026		870
2027		870
Thereafter		357
Total	$	4,294

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Note 15 - Financial Derivatives

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Derivative Instruments and Hedging Activities Disclosure [Text Block]

15. Financial Derivatives

The Company does not speculate on the future direction of interest rates. As part of the Company’s asset and liability management, however, the Company enters into financial derivatives to seek to mitigate exposure to interest rate risks related to its interest-earning assets and interest-bearing liabilities. The Company believes that these transactions, when properly structured and managed, may provide a hedge against inherent interest rate risk in our assets or liabilities and against risk in specific transactions. In such instances, the Company may protect its position. Other hedging transactions may be implemented using interest rate swaps, interest rate caps, floors, financial futures, forward rate agreements, and options on futures or bonds. Prior to considering any hedging activities, the Company seeks to analyze the costs and benefits of the hedge in comparison to other viable alternative strategies. All hedges will require an assessment of basis risk and must be approved by the Bancorp or the Bank’s Investment Committee.

The Company follows ASC Topic 815 that establishes accounting and reporting standards for financial derivatives, including certain financial derivatives embedded in other contracts, and hedging activities. It requires the recognition of all financial derivatives as assets or liabilities in the Company’s Consolidated Balance Sheets and measurement of those financial derivatives at fair value. The accounting treatment of changes in fair value is dependent upon whether or not a financial derivative is designated as a hedge and, if so, the type of hedge. Fair value is determined using third-party models with observable market data. For derivatives designated as cash flow hedges, changes in fair value are recognized in other comprehensive income and are reclassified to earnings when the hedged transaction is reflected in earnings. For derivatives designated as fair value hedges, changes in the fair value of the derivatives are reflected in current earnings, together with changes in the fair value of the related hedged item if there is a highly effective correlation between changes in the fair value of the interest rate swaps and changes in the fair value of the underlying asset or liability that is intended to be hedged. If there is not a highly effective correlation between changes in the fair value of the interest rate swap and changes in the fair value of the underlying asset or liability that is intended to be hedged, then only the changes in the fair value of the interest rate swaps are reflected in the Company’s consolidated financial statements.

The Company offers various interest rate derivative contracts to its clients. When derivative transactions are executed with its clients, the derivative contracts are offset by paired trades with third-party financial institutions including with central counterparties (“CCP”). Certain derivative contracts entered with CCPs are settled-to-market daily to the extent the CCP’s rulebooks legally characterize the variation margin as settlement. Derivative contracts are intended to allow borrowers to lock in attractive intermediate and long-term fixed rate financing while not increasing the interest rate risk to the Company. These transactions are generally not linked to specific Company assets or liabilities on the Consolidated Balance Sheets or to forecasted transactions in a hedging relationship and, therefore, are economic hedges. The contracts are marked to market at each reporting period. The changes in fair values of the derivative contracts traded with third-party financial institutions are expected to be largely comparable to the changes in fair values of the derivative transactions executed with clients throughout the terms of these contracts, except for the credit valuation adjustment component.  The Company records credit valuation adjustments on derivatives to properly reflect the variances of credit worthiness between the Company and the counterparties, considering the effects of enforceable master netting agreements and collateral arrangements. As of September 30, 2023 and December 31, 2022, the Company had outstanding interest rate derivative contracts with certain clients and third-party financial institutions with a notional amount of $642.1 million and $595.4 million, respectively, with a fair value of $56.0 million and $50.0 million, respectively, for both clients and third-party financial institutions. As of December 31, 2022, the notional amount $205.6 million of interest rate swaps cleared through the CCP.  

In May 2014, Bancorp entered into interest rate swap contracts in the notional amount of $119.1 million for a period of ten years. The objective of these interest rate swap contracts, which were designated as hedging instruments in cash flow hedges, was to hedge the quarterly interest payments on Bancorp’s $119.1 million of Junior Subordinated Debentures that had been issued to five trusts, throughout the ten-year period beginning in June 2014 and ending in June 2024, from the risk of variability of these payments resulting from changes in the three-month LIBOR interest rate. The Company early terminated these cash flow derivative swaps in 2022 and realized a gain of $4.0 million for the year ended  December 31, 2022 and is recognizing the amount as a reduction of long-term debt interest expense over the remaining life of the swaps on a straight-line basis. As of December 31, 2022, the ineffective portion of these interest rate swaps was not significant. The periodic net settlement of the interest rate swaps included in interest expense was a net gain of $138 thousand for the three months ended  September 30, 2022  and a net gain of $1.3 million for the nine months ended September 30, 2022.

As of September 30, 2023, the Bank’s outstanding fair value interest rate swap contracts matched to individual fixed-rate commercial real estate loans had a notional amount of $89.3 million with a fair value of $6.3 million and various terms from three to ten years. These contracts have been designated as hedging instruments to hedge the risk of changes in the fair value of the underlying commercial real estate loans due to changes in interest rates. The swap contracts are structured so that the notional amounts reduce over time to match the contractual amortization of the underlying loan and allow prepayments with the same pre-payment penalty amounts as the related loan. As of September 30, 2023 and 2022, the ineffective portion of these interest rate swaps was not significant.

The Company has designated as a partial-term hedging election of $768.1 million notional with a fair value of $21.1 million as last-of-layer hedge on pools of loans with a notational value of $1.30 billion as of September 30, 2023. The loans are not expected to be affected by prepayment, defaults, or other factors affecting the timing and amount of cash flows under the last-of-layer method. The Company has entered into these pay-fixed and receive 1-Month Term SOFR interest rate swaps to convert the last-of-layer $768.1 million portion of $1.30 billion fixed rate loan pools in order to reduce the Company’s exposure to higher interest rates for the last-of-layer tranches. As of September 30, 2023, the last-of-layer loan tranche had a fair value loss basis adjustment of  $19.9  million. The interest rate swap converts this last-of-layer tranche into a floating rate instrument. The Company’s risk management objective with respect to this last-of-layer interest rate swap is to reduce interest rate exposure as to the last-of-layer tranche.

Interest rate swap contracts involve the risk of dealing with institutional derivative counterparties and their ability to meet contractual terms. Institutional counterparties must have a strong credit profile and be approved by the Company’s Board of Directors. The Company’s credit exposure on interest rate swaps is limited to the net favorable value and interest payments of all swaps by each counterparty. Credit exposure may be reduced by the amount of collateral pledged by the counterparty. Bancorp’s interest rate swaps have been assigned by the counterparties to a derivative clearing organization and daily margin is indirectly maintained with the derivative clearing organization. 

The notional amount and net unrealized loss of the Company’s fair value derivative financial instruments as of September 30, 2023, and December 31, 2022, were as follows:

	September 30, 2023			December 31, 2022
	(In thousands)
Fair value swap hedges:
Notional	$	857,341		$	874,034
Weighted average fixed rate-pay		1.80	%		2.12	%
Weighted average variable rate spread		0.27	%		0.68	%
Weighted average variable rate-receive		5.33	%		2.61	%
Unrealized gain	$	27,378		$	38,589

	Three Months Ended				Nine Months Ended
	September 30, 2023		September 30, 2022		September 30, 2023		September 30, 2022
Periodic net settlement of swaps (1)	$	7,659	$	1,461	$	21,065	$	(1,628	)

(1) the amount of periodic net settlement of interest rate swaps was included in interest income.

Included in the total notional amount of $857.3 million of the fair value interest rate contracts entered into with financial counterparties as of September 30, 2023, was a notional amount of $547.5 million of interest rate swaps that cleared through the CCP. Applying variation margin payments as settlement to CCP cleared derivative transactions resulted in a reduction in derivative asset fair values of $13.9 million as of September 30, 2023.

The Company enters into foreign exchange forward contracts with various counterparties to mitigate the risk of fluctuations in foreign currency exchange rates for foreign exchange certificates of deposit or foreign exchange contracts entered into with our clients. These contracts are not designated as hedging instruments and are recorded at fair value in our Consolidated Balance Sheets. Changes in the fair value of these contracts as well as the related foreign exchange certificates of deposit and foreign exchange contracts are recognized immediately in net income as a component of non-interest income. Period end gross positive fair values are recorded in other assets and gross negative fair values are recorded in other liabilities.

The notional amount and fair value of the Company’s derivative financial instruments not designated as hedging instruments as of September 30, 2023, and December 31, 2022, not including interest rate swaps cleared through the CCP, were as follows:

Derivative financial instruments not designated as hedging instruments:	September 30, 2023			December 31, 2022
	(In thousands)
Notional amounts:
Forward, and swap contracts with positive fair value	$	862,838		$	72,996
Forward, and swap contracts with negative fair value	$	707,025		$	170,213
Fair value:
Forward, and swap contracts with positive fair value	$	56,858		$	448
Forward, and swap contracts with negative fair value	$	(56,939	)	$	(942	)

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Note 16 - Balance Sheet Offsetting

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Supplemental Balance Sheet Disclosures [Text Block]

16. Balance Sheet Offsetting

Certain financial instruments, including resell and repurchase agreements, securities lending arrangements and derivatives, may be eligible for offset in the Consolidated Balance Sheets and/or subject to master netting arrangements or similar agreements. The Company’s securities sold with agreements to repurchase and derivative transactions with upstream financial institution counterparties are generally executed under International Swaps and Derivative Association master agreements that include “right of set-off” provisions. In such cases, there is generally a legally enforceable right to offset recognized amounts and there may be an intention to settle such amounts on a net basis. Nonetheless, the Company does not generally offset such financial instruments for financial reporting purposes.

Financial instruments that are eligible for offset in the Consolidated Balance Sheets, as of September 30, 2023, and December 31, 2022, are set forth in the following table:

							Gross Amounts Not
							Offset in the Balance Sheet
	Gross Amounts Recognized		Gross Amounts Offset in the Balance Sheet		Net Amounts Presented in the Balance Sheet		Financial Instruments		Collateral Posted		Net Amount
	(In thousands)
September 30, 2023
Assets:
Derivatives	$	83,434	$	9,820	$	73,614	$	—	$	70,745	$	2,869
Liabilities:
Derivatives	$	56,058	$	—	$	56,058	$	—	$	—	$	56,058
December 31, 2022
Assets:
Derivatives	$	90,451	$	46,008	$	44,443	$	—	$	42,930	$	1,513
Liabilities:
Derivatives	$	51,864	$	—	$	51,864	$	—	$	—	$	51,864

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Note 17 - Revenue From Contracts With Clients

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Revenue from Contract with Customer [Text Block]

17. Revenue from Contracts with Clients

The following is a summary of revenue from contracts with clients that are in-scope and not in-scope under ASC Topic 606:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2023			2022			2023		2022
	(In thousands)
Non-interest income, in-scope:
Fees and service charges on deposit accounts	$	2,218		$	2,398		$	7,073	$	7,156
Wealth management fees		5,150			4,184			12,686		12,494
Other service fees(1)		4,424			4,451			12,559		12,723
Total noninterest income		11,792			11,033			32,318		32,373
Noninterest income, not in-scope(2)		(3,955	)		(1,157	)		12,873		12,353
Total noninterest income	$	7,837		$	9,876		$	45,191	$	44,726

(1) Other service fees comprise of fees related to letters of credit, wire fees, fees on foreign exchange transactions and other immaterial individual revenue streams.

(2) These amounts primarily represent revenue from contracts with clients that are out of the scope of ASC Topic 606.

The major revenue streams by fee type that are within the scope of ASC Topic 606 presented in the above table are described in additional detail below:

Fees and Services Charges on Deposit Accounts

Fees and service charges on deposit accounts include charges for analysis, overdraft, cash checking, ATM, and safe deposit activities executed by our deposit clients, as well as interchange income earned through card payment networks for the acceptance of card-based transactions. Fees earned from our deposit clients are governed by contracts that provide for overall custody and access to deposited funds and other related services and can be terminated at will by either party. Fees received from deposit clients for the various deposit activities are recognized as revenue by the Company once the performance obligations are met.

Wealth Management Fees

The Company employs financial consultants to provide investment planning services for clients including wealth management services, asset allocation strategies, portfolio analysis and monitoring, investment strategies, and risk management strategies. The fees the Company earns are variable and are generally received monthly by the Company. The Company recognizes revenue for the services performed at quarter end based on actual transaction details received from the broker dealer the Company engages.

Practical Expedients and Exemptions

The Company applies the practical expedient in ASC 606-10-50-14 and does not disclose the value of unsatisfied performance obligations as the Company’s contracts with clients generally have a term that is less than one year, are open-ended with a cancellation period that is less than one year or allow the Company to recognize revenue in the amount to which the Company has the right to invoice.

In addition, given the short-term nature of the contracts, the Company also applies the practical expedient in ASC 606-10-32-18 and does not adjust the consideration from clients for the effects of a significant financing component, if at contract inception the period between when the entity transfers the goods or services and when the client pays for that good or service is one year or less.

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Note 18 - Stockholders' Equity

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Equity [Text Block]

18. Stockholders’ Equity

Total equity was $2.64 billion as of September 30, 2023, an increase of $164.7 million, from $2.47 billion as of December 31, 2022, primarily due to net income of $271.6 million, stock-based compensation of $4.9 million, proceeds from dividend reinvestment of $2.7 million, and stock issued to directors of $0.8 million, offset by, common stock cash dividends of $73.9 million, other comprehensive loss of  $21.2 million, purchases of treasury stock of $16.7 million, and shares withheld related to net share settlement of RSUs of $3.5 million.

Activity in accumulated other comprehensive income/(loss), net of tax, and reclassification out of accumulated other comprehensive income/(loss) for the three and nine months ended September 30, 2023, and June 30, 2022, was as follows:

	Three Months Ended September 30, 2023									Three Months Ended September 30, 2022
	Pre-tax			Tax expense/ (benefit)			Net-of-tax			Pre-tax			Tax expense/ (benefit)			Net-of-tax
	(In thousands)
Beginning balance, gain/(loss), net of tax
Securities available-for-sale							$	(100,704	)							$	(72,210	)
Cash flow hedge derivatives								1,655									882
Total							$	(99,049	)							$	(71,328	)
Net unrealized gains/(losses) arising during the period
Securities available-for-sale	$	(34,133	)	$	(10,090	)	$	(24,043	)	$	(61,316	)	$	(18,125	)	$	(43,191	)
Cash flow hedge derivatives		(626	)		(185	)		(441	)		2,677			791			1,886
Total	$	(34,759	)	$	(10,275	)	$	(24,484	)	$	(58,639	)	$	(17,334	)	$	(41,305	)
Reclassification adjustment for net losses in net income
Cash flow hedge derivatives		—			—			—			(342	)		(101	)		(241	)
Total		—			—			—			(342	)		(101	)		(241	)
Total other comprehensive income/(loss)
Securities available-for-sale	$	(34,133	)	$	(10,090	)	$	(24,043	)	$	(61,316	)	$	(18,125	)	$	(43,191	)
Cash flow hedge derivatives		(626	)		(185	)		(441	)		2,335			690			1,645
Total	$	(34,759	)	$	(10,275	)	$	(24,484	)	$	(58,981	)	$	(17,435	)	$	(41,546	)
Ending balance, gain/(loss), net of tax
Securities available-for-sale							$	(124,747	)							$	(115,401	)
Cash flow hedge derivatives								1,214									2,527
Total							$	(123,533	)							$	(112,874	)

	Nine Months Ended September 30, 2023									Nine Months Ended September 30, 2022
	Pre-tax			Tax expense/ (benefit)			Net-of-tax			Pre-tax			Tax expense/ (benefit)			Net-of-tax
	(In thousands)
Beginning balance, gain/(loss), net of tax
Securities available-for-sale							$	(104,832	)							$	211
Cash flow hedge derivatives								2,537									(3,276	)
Total							$	(102,295	)							$	(3,065	)
Net unrealized gains/(losses) arising during the period
Securities available-for-sale	$	(28,272	)	$	(8,357	)	$	(19,915	)	$	(164,128	)	$	(48,516	)	$	(115,612	)
Cash flow hedge derivatives		(1,878	)		(555	)		(1,323	)		11,060			3,269			7,791
Total	$	(30,150	)	$	(8,912	)	$	(21,238	)	$	(153,068	)	$	(45,247	)	$	(107,821	)
Reclassification adjustment for net losses in net income
Cash flow hedge derivatives		—			—			—			(2,822	)		(834	)		(1,988	)
Total		—			—			—			(2,822	)		(834	)		(1,988	)
Total other comprehensive income/(loss)
Securities available-for-sale	$	(28,272	)	$	(8,357	)	$	(19,915	)	$	(164,128	)	$	(48,516	)	$	(115,612	)
Cash flow hedge derivatives		(1,878	)		(555	)		(1,323	)		8,238			2,435			5,803
Total	$	(30,150	)	$	(8,912	)	$	(21,238	)	$	(155,890	)	$	(46,081	)	$	(109,809	)
Ending balance, gain/(loss), net of tax
Securities available-for-sale							$	(124,747	)							$	(115,401	)
Cash flow hedge derivatives								1,214									2,527
Total							$	(123,533	)							$	(112,874	)

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Note 19 - Stock Repurchase Program

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Treasury Stock [Text Block]

19. Stock Repurchase Program

On February 21, 2023, the Company completed its May 2022 stock buyback program by repurchasing 375,090 shares at an average cost of $44.20 in the first quarter of 2023, for a total of $16.6 million.

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Note 20 - Subsequent Events

9 Months Ended

Sep. 30, 2023

Notes to Financial Statements

Subsequent Events [Text Block]

20. Subsequent Events

The Company has evaluated the effect of events that have occurred subsequent to September 30, 2023, through the date of issuance of the Consolidated Financial Statements, and, based on such evaluation, the Company believes that there have been no material events during such period that would require recognition in the Consolidated Financial Statements or disclosure in the Notes to the Consolidated Financial Statements.

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Insider Trading Arrangements

9 Months Ended

Sep. 30, 2023

Insider Trading Arr Line Items

Material Terms of Trading Arrangement [Text Block]

Item 5.         OTHER INFORMATION.

None.

Rule 10b5-1 Arrangement Adopted [Flag]

false

Non-Rule 10b5-1 Arrangement Adopted [Flag]

false

Rule 10b5-1 Arrangement Terminated [Flag]

false

Non-Rule 10b5-1 Arrangement Terminated [Flag]

false

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Note 2 - Business Combinations (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

	Balance Sheet
	(In thousands)
Assets:
Cash and cash equivalents	$	473
Loans		641,839
Right-of-use assets - operating leases		6,453
Core deposit intangible		3,138
Other		561
Total assets	$	652,464
Liabilities assumed:
Deposits	$	575,163
Lease liabilities		6,453
Total liabilities assumed	$	581,616
Net assets acquired	$	70,848
Total cash paid at closing	$	74,355
Goodwill	$	3,507

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Note 6 - Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
	(In thousands, except share and per share data)
Net income	$	82,371	$	99,035	$	271,598	$	263,041
Weighted-average shares:
Basic weighted-average number of common shares outstanding		72,568,518		73,956,052		72,546,149		74,743,941
Dilutive effect of weighted-average outstanding common share equivalents:
RSUs		321,896		286,000		301,758		324,291
Diluted weighted-average number of common shares outstanding		72,890,414		74,242,052		72,847,907		75,068,232
Average restricted stock units with anti-dilutive effect		—		13,534		2,098		48,073
Earnings per common share:
Basic	$	1.14	$	1.34	$	3.74	$	3.52
Diluted	$	1.13	$	1.33	$	3.73	$	3.50

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Note 7 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

	Time-Based RSUs					Performance-Based RSUs
				Weighted-Average					Weighted-Average
				Grant Date					Grant Date
	Shares			Fair Value		Shares			Fair Value
Balance at December 31, 2022		202,059		$	33.29		362,965		$	31.56
Granted		85,120			37.97		123,504			38.41
Vested		(2,381	)		35.19		(136,808	)		34.21
Forfeited		(1,774	)		42.52		—			—
Balance at September 30, 2023		283,024		$	34.62		349,661		$	32.94

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Note 8 - Investment Securities (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]

	September 30, 2023
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	392,956	$	41	$	155	$	392,842
U.S. government agency entities		51,018		144		161		51,001
U.S. government sponsored entities		33,709		—		89		33,620
Mortgage-backed securities		916,719		42		154,958		761,803
Collateralized mortgage obligations		32,015		—		4,317		27,698
Corporate debt securities		248,534		—		16,662		231,872
Foreign debt securities		10,000		—		38		9,962
Total	$	1,684,951	$	227	$	176,380	$	1,508,798

	December 31, 2022
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	241,611	$	—	$	1,111	$	240,500
U.S. government agency entities		63,347		384		121		63,610
U.S. government sponsored entities		30,000		—		—		30,000
Mortgage-backed securities		993,883		194		126,983		867,094
Collateralized mortgage obligations		34,552		—		3,491		31,061
Corporate debt securities		258,780		112		17,809		241,083
Total	$	1,622,173	$	690	$	149,515	$	1,473,348

Investments Classified by Contractual Maturity Date [Table Text Block]

	September 30, 2023
	Securities Available-For-Sale
	Amortized Cost		Fair Value
	(In thousands)
Due in one year or less	$	442,957	$	442,208
Due after one year through five years		241,407		225,644
Due after five years through ten years		154,327		142,157
Due after ten years		846,260		698,789
Total	$	1,684,951	$	1,508,798

Schedule of Unrealized Loss on Investments [Table Text Block]

	September 30, 2023
	Less than 12 Months				12 Months or Longer				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	49,153	$	126	$	49,804	$	29	$	98,957	$	155
U.S. government agency entities		17,698		39		1,487		122		19,185		161
U.S. government sponsored entities		33,621		89		—		—		33,621		89
Mortgage-backed securities		17,695		642		743,568		154,316		761,263		154,958
Collateralized mortgage obligations		—		—		27,698		4,317		27,698		4,317
Corporate debt securities		68,285		1,715		163,586		14,947		231,871		16,662
Foreign debt securities		9,962		38		—		—		9,962		38
Total	$	196,414	$	2,649	$	986,143	$	173,731	$	1,182,557	$	176,380

	December 31, 2022
	Less than 12 Months				12 Months or Longer				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	240,500	$	1,111	$	—	$	—	$	240,500	$	1,111
U.S. government agency entities		—		—		1,806		121		1,806		121
Mortgage-backed securities		394,123		33,042		452,739		93,941		846,862		126,983
Collateralized mortgage obligations		24,427		1,614		6,634		1,877		31,061		3,491
Corporate debt securities		109,995		3,256		100,977		14,553		210,972		17,809
Total	$	769,045	$	39,023	$	562,156	$	110,492	$	1,331,201	$	149,515

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Note 9 - Loans (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

	September 30, 2023			December 31, 2022
	(In thousands)
Commercial loans	$	3,090,609		$	3,318,778
Real estate construction loans		474,294			559,372
Commercial mortgage loans		9,511,805			8,793,685
Residential mortgage loans		5,685,844			5,252,952
Equity lines		253,826			324,548
Installment and other loans		7,444			4,689
Gross loans	$	19,023,822		$	18,254,024
Allowance for loan losses		(154,619	)		(146,485	)
Unamortized deferred loan fees, net		(9,521	)		(6,641	)
Total loans, net	$	18,859,682		$	18,100,898

Financing Receivable, Nonaccrual [Table Text Block]

	Three Months Ended				Nine Months Ended
	September 30, 2023				September 30, 2023
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	13,147	$	5	$	18,982	$	10
Real estate construction loans		11,266		—		3,797		—
Commercial mortgage loans		37,046		74		37,446		244
Residential mortgage loans and equity lines		13,214		—		11,652		—
Installment and other loans		—		—		1		—
Total non-accrual loans	$	74,673	$	79	$	71,878	$	254

	Three Months Ended				Nine Months Ended
	September 30, 2022				September 30, 2022
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	26,809	$	—	$	28,691	$	—
Commercial mortgage loans		18,861		191		28,878		508
Residential mortgage loans and equity lines		16,743		7		14,838		20
Installment and other loans		61		—		35		—
Total non-accrual loans	$	62,474	$	198	$	72,442	$	528

Schedule of Nonaccrual Loans and Related Allowance and Charge Off [Table Text Block]

 

	September 30, 2023
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance:
Commercial loans	$	26,116	$	14,661	$	—
Real estate construction loans		7,737		7,737		—
Commercial mortgage loans		42,020		32,539		—
Residential mortgage loans and equity lines		13,582		13,138		—
Subtotal	$	89,455	$	68,075	$	—
With allocated allowance:
Real estate construction loans	$	9,255	$	9,255	$	4,221
Total non-accrual loans	$	98,710	$	77,330	$	4,221

	December 31, 2022
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance:
Commercial loans	$	27,341	$	12,949	$	—
Commercial mortgage loans		37,697		32,205		—
Residential mortgage loans and equity lines		9,626		8,978		—
Installment and other loans		9		8		—
Subtotal	$	74,673	$	54,140	$	—
With allocated allowance:
Commercial loans	$	14,643	$	12,823	$	3,734
Commercial mortgage loans		1,896		1,891		207
Subtotal	$	16,539	$	14,714	$	3,941
Total non-accrual loans	$	91,212	$	68,854	$	3,941

Financing Receivable, Past Due [Table Text Block]

	September 30, 2023
	30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Non-accrual Loans		Total Past Due		Loans Not Past Due		Total
	(In thousands)
Type of Loans:
Commercial loans	$	6,835	$	3,634	$	1,204	$	14,661	$	26,334	$	3,064,275	$	3,090,609
Real estate construction loans		—		—		—		16,992		16,992		457,302		474,294
Commercial mortgage loans		3,246		6,357		720		32,539		42,862		9,468,943		9,511,805
Residential mortgage loans and equity lines		4,663		10,681		—		13,138		28,482		5,911,188		5,939,670
Installment and other loans		6		—		—		—		6		7,438		7,444
Total loans	$	14,750	$	20,672	$	1,924	$	77,330	$	114,676	$	18,909,146	$	19,023,822

	December 31, 2022
	30-59 Days Past Due		60-89 Days Past Due		90 Days or More Past Due		Non-accrual Loans		Total Past Due		Loans Not Past Due		Total
	(In thousands)
Type of Loans:
Commercial loans	$	8,192	$	3,235	$	10,208	$	25,772	$	47,407	$	3,271,371	$	3,318,778
Real estate construction loans		—		—		—		—		—		559,372		559,372
Commercial mortgage loans		25,772		—		1,372		34,096		61,240		8,732,445		8,793,685
Residential mortgage loans and equity lines		47,043		5,685		—		8,978		61,706		5,515,794		5,577,500
Installment and other loans		5		1		—		8		14		4,675		4,689
Total loans	$	81,012	$	8,921	$	11,580	$	68,854	$	170,367	$	18,083,657	$	18,254,024

Schedule Of Troubled Debt Restructurings [Table Text Block]

	Three Months Ended September 30, 2022								September 30, 2022
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		2	$	2,572	$	2,572	$	—	$	—
Residential mortgage loans and equity lines		4		1,466		1,442		—		3
Total		6	$	4,038	$	4,014	$	—	$	3

	Nine Months Ended September 30, 2022								September 30, 2022
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		4	$	6,115	$	6,115	$	—	$	2,566
Commercial Mortgage loans		2	$	2,572	$	2,572	$	—	$	—
Residential mortgage loans and equity lines		8		2,190		2,162		—		4
Total		14	$	10,877	$	10,849	$	—	$	2,570

Financing Receivable, Modified, Amortized Cost [Table Text Block]

	Three Months Ended September 30, 2023									Financial Effects of Loan Modifications
	Term Extension		Combo-Rate Reduction/Term Extension/Payment Delay		Total		Modification as a % of Loan Class			Weighted-Average Rate Reduction		Weighted-Average Term Extension (in Years)		Weighted-Average Payment Deferral (in Years)
	(In thousands)
Loan Type
Commercial loans	$	1,489	$	1,164	$	2,653		0.09	%		0.94		0.80		0.40
Total	$	1,489	$	1,164	$	2,653
	Nine Months Ended September 30, 2023									Financial Effects of Loan Modifications
	Term Extension		Combo-Rate Reduction/Term Extension/Payment Delay		Total		Modification as a % of Loan Class			Weighted-Average Rate Reduction		Weighted-Average Term Extension (in Years)		Weighted-Average Payment Deferral (in Years)
	(In thousands)
Loan Type
Commercial loans	$	1,489	$	1,199	$	2,688		0.09	%		1.27		0.80		0.39
Total	$	1,489	$	1,199	$	2,688

Financing Receivable, Modified, Performance [Table Text Block]

	Three Months Ended September 30, 2023
	Current		30–89 Days Past Due		90+ Days Past Due		Total
	(In thousands)
Loan Type
Commercial loans	$	2,653	$	—	$	—	$	2,653
Total	$	2,653	$	—	$	—	$	2,653

	Nine Months Ended September 30, 2023
	Current		30–89 Days Past Due		90+ Days Past Due		Total
	(In thousands)
Loan Type
Commercial loans	$	2,688	$	—	$	—	$	2,688
Total	$	2,688	$	—	$	—	$	2,688

Financing Receivable, Modified [Table Text Block]

	December 31, 2022
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs:
Commercial loans	$	2,588	$	—	$	—	$	2,588
Commercial mortgage loans		2,791		—		5,855		8,646
Residential mortgage loans		2,181		445		1,285		3,911
Total accruing TDRs	$	7,560	$	445	$	7,140	$	15,145

	December 31, 2022
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs:
Commercial loans	$	3,629	$	—	$	—	$	3,629
Commercial mortgage loans		1,098		—		—		1,098
Residential mortgage loans		1,621		—		—		1,621
Total non-accrual TDRs	$	6,348	$	—	$	—	$	6,348

Loan Held for Investment by Loan Portfolio Segments, Internal Risk Ratings and Vintage Year [Table Text Block]

	Loans Amortized Cost Basis by Origination Year
September 30, 2023	2023		2022		2021		2020		2019		Prior		Revolving Loans		Revolving Converted to Term Loans		Total
	(In thousands)
Commercial loans
Pass/Watch	$	259,326	$	387,990	$	357,365	$	113,463	$	90,879	$	155,766	$	1,568,766	$	7,175	$	2,940,730
Special Mention		4,188		2,083		8,582		29,311		915		773		53,164		—		99,016
Substandard		166		524		11,450		165		768		5,753		29,709		222		48,757
Total	$	263,680	$	390,597	$	377,397	$	142,939	$	92,562	$	162,292	$	1,651,639	$	7,397	$	3,088,503
YTD gross write-offs	$	—	$	276	$	760	$	245	$	3,672	$	6,043	$	1,521	$	—	$	12,517
Real estate construction loans
Pass/Watch	$	22,304	$	118,205	$	218,002	$	44,627	$	16,533	$	3,132	$	—	$	—	$	422,803
Special Mention		1,482		—		8,248		—		—		22,998		—		—		32,728
Substandard		—		—		—		—		7,736		9,255		—		—		16,991
Total	$	23,786	$	118,205	$	226,250	$	44,627	$	24,269	$	35,385	$	—	$	—	$	472,522
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial mortgage loans
Pass/Watch	$	1,626,562	$	2,005,931	$	1,617,398	$	923,929	$	1,032,298	$	1,855,014	$	186,502	$	—	$	9,247,634
Special Mention		34,868		19,097		34,891		3,330		16,198		34,985		1,399		—		144,768
Substandard		—		11,937		12,247		5,526		17,376		62,260		2,671		—		112,017
Total	$	1,661,430	$	2,036,965	$	1,664,536	$	932,785	$	1,065,872	$	1,952,259	$	190,572	$	—	$	9,504,419
YTD gross write-offs	$	—	$	—	$	207	$	—	$	969	$	4,165	$	—	$	—	$	5,341
Residential mortgage loans
Pass/Watch	$	847,550	$	1,147,491	$	920,385	$	538,989	$	557,098	$	1,652,948	$	—	$	—	$	5,664,461
Special Mention		—		—		—		33		—		1,632		—		—		1,665
Substandard		—		951		433		3,446		2,555		13,150		—		—		20,535
Total	$	847,550	$	1,148,442	$	920,818	$	542,468	$	559,653	$	1,667,730	$	—	$	—	$	5,686,661
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Equity lines
Pass/Watch	$	—	$	108	$	—	$	—	$	—	$	—	$	233,892	$	17,322	$	251,322
Special Mention		—		—		—		—		—		—		—		—		—
Substandard		—		—		—		—		—		—		3,362		175		3,537
Total	$	—	$	108	$	—	$	—	$	—	$	—	$	237,254	$	17,497	$	254,859
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Installment and other loans
Pass/Watch	$	4,591	$	2,735	$	5	$	—	$	—	$	—	$	—	$	—	$	7,331
Special Mention		—		6		—		—		—		—		—		—		6
Substandard		—		—		—		—		—		—		—		—		—
Total	$	4,591	$	2,741	$	5	$	—	$	—	$	—	$	—	$	—	$	7,337
YTD gross write-offs	$	—	$	15	$	—	$	—	$	—	$	—	$	—	$	—	$	15
Total loans	$	2,801,037	$	3,697,058	$	3,189,006	$	1,662,819	$	1,742,356	$	3,817,666	$	2,079,465	$	24,894	$	19,014,301
Total YTD gross write-offs	$	—	$	291	$	967	$	245	$	4,641	$	10,208	$	1,521	$	—	$	17,873

	Loans Amortized Cost Basis by Origination Year
December 31, 2022	2023		2022		2021		2020		2019		Prior		Revolving Loans		Revolving Converted to Term Loans		Total
	(In thousands)
Commercial loans
Pass/Watch	$	488,748	$	446,647	$	180,226	$	119,355	$	107,896	$	106,649	$	1,753,509	$	6,560	$	3,209,590
Special Mention		1,212		4,696		2,818		68		308		4,354		41,110		—		54,566
Substandard		25		12,750		342		4,859		2,766		6,985		22,084		133		49,944
Doubtful		—		—		—		1,504		2,185		—		234		—		3,923
Total	$	489,985	$	464,093	$	183,386	$	125,786	$	113,155	$	117,988	$	1,816,937	$	6,693	$	3,318,023
YTD gross write-offs	$	96	$	587	$	120	$	71	$	1,786	$	360	$	202	$	—	$	3,222
Real estate construction loans
Pass/Watch	$	99,798	$	264,197	$	113,312	$	20,479	$	3,067	$	—	$	—	$	—	$	500,853
Special Mention		—		360		9,449		11,643		22,945		—		—		—		44,397
Substandard		—		—		—		1,736		9,309		—		—		—		11,045
Total	$	99,798	$	264,557	$	122,761	$	33,858	$	35,321	$	—	$	—	$	—	$	556,295
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Commercial mortgage loans
Pass/Watch	$	2,087,650	$	1,728,607	$	975,953	$	1,094,505	$	908,748	$	1,420,982	$	178,116	$	—	$	8,394,561
Special Mention		22,150		57,015		25,593		32,119		17,999		63,782		1,600		—		220,258
Substandard		12,320		7,861		14,392		19,972		34,899		81,844		2,631		—		173,919
Total	$	2,122,120	$	1,793,483	$	1,015,938	$	1,146,596	$	961,646	$	1,566,608	$	182,347	$	—	$	8,788,738
YTD gross write-offs	$	—	$	—	$	—	$	—	$	2,091	$	—	$	—	$	—	$	2,091
Residential mortgage loans
Pass/Watch	$	1,228,391	$	964,799	$	580,990	$	600,786	$	417,565	$	1,444,320	$	—	$	—	$	5,236,851
Special Mention		—		—		33		—		752		905		—		—		1,690
Substandard		206		762		2,028		1,966		1,799		8,785		—		—		15,546
Total	$	1,228,597	$	965,561	$	583,051	$	602,752	$	420,116	$	1,454,010	$	—	$	—	$	5,254,087
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Equity lines
Pass/Watch	$	731	$	—	$	—	$	—	$	—	$	—	$	302,825	$	21,460	$	325,016
Special Mention		5		—		—		—		—		—		—		—		5
Substandard		12		—		—		—		—		—		1,043		220		1,275
Total	$	748	$	—	$	—	$	—	$	—	$	—	$	303,868	$	21,680	$	326,296
YTD gross write-offs	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
Installment and other loans
Pass/Watch	$	1,792	$	2,152	$	—	$	—	$	—	$	—	$	—	$	—	$	3,944
Total	$	1,792	$	2,152	$	—	$	—	$	—	$	—	$	—	$	—	$	3,944
YTD gross write-offs	$	115	$	—	$	—	$	—	$	—	$	—	$	62	$	—	$	177
Total loans	$	3,943,040	$	3,489,846	$	1,905,136	$	1,908,992	$	1,530,238	$	3,138,606	$	2,303,152	$	28,373	$	18,247,383
Total YTD gross write-offs	$	211	$	587	$	120	$	71	$	3,877	$	360	$	264	$	—	$	5,490

Financing Receivable, Allowance for Credit Loss [Table Text Block]

										Residential
				Real Estate			Commercial			Mortgage Loans		Installment
	Commercial			Construction			Mortgage			and		and Other
	Loans			Loans			Loans			Equity Lines		Loans			Total
	(In thousands)
Allowance for Loan Losses:
June 30, 2023 Ending Balance	$	50,579		$	12,751		$	73,547		$	18,214	$	18		$	155,109
(Reversal)/provision for expected credit losses		(178	)		2,360			3,307			586		46			6,121
Charge-offs		(6,254	)		—			(1,221	)		—		(8	)		(7,483	)
Recoveries		611			—			252			9		—			872
Net charge-offs		(5,643	)		—			(969	)		9		(8	)		(6,611	)
September 30, 2023 Ending Balance	$	44,758		$	15,111		$	75,885		$	18,809	$	56		$	154,619
Allowance for unfunded credit commitments:
June 30, 2023 Ending Balance	$	6,984		$	3,541		$	—		$	—	$	—		$	10,525
Provision/(reversal) for expected credit losses		1,570			(691	)		—			—		—			879
September 30, 2023 Ending Balance	$	8,554		$	2,850		$	—		$	—	$	—		$	11,404

										Residential
				Real Estate			Commercial			Mortgage Loans			Installment
	Commercial			Construction			Mortgage			and			and Other
	Loans			Loans			Loans			Equity Lines			Loans			Total
	(In thousands)
Allowance for Loan Losses:
June 30, 2022 Ending Balance	$	49,069		$	7,276		$	68,600		$	23,692		$	135		$	148,772
Provision/(reversal) for expected credit losses		1,845			(1,065	)		1,362			(1,612	)		72			602
Charge-offs		(2,091	)		—			—			(58	)		(79	)		(2,228	)
Recoveries		1,576			—			88			7			—			1,671
Net (charge-offs)/recoveries		(515	)		—			88			(51	)		(79	)		(557	)
September 30, 2022 Ending Balance	$	50,399		$	6,211		$	70,050		$	22,029		$	128		$	148,817
Allowance for unfunded credit commitments:
June 30, 2022 Ending Balance	$	2,804		$	3,306		$	26		$	—		$	—		$	6,136
Provision/(reversal) for expected credit losses		1,576			(152	)		(26	)		—			—			1,398
September 30, 2022 Ending Balance	$	4,380		$	3,154		$	—		$	—		$	—		$	7,534

										Residential
				Real Estate			Commercial			Mortgage Loans		Installment
	Commercial			Construction			Mortgage			and		and Other
	Loans			Loans			Loans			Equity Lines		Loans			Total
	(In thousands)
Allowance for Loan Losses:
December 31, 2022 Ending Balance	$	49,435		$	10,417		$	68,366		$	18,232	$	35		$	146,485
Provision for expected credit losses		6,276			4,694			10,027			548		36			21,581
Charge-offs		(12,517	)		—			(5,341	)		—		(15	)		(17,873	)
Recoveries		1,564			—			2,833			29		—			4,426
Net (charge-offs)/recoveries		(10,953	)		—			(2,508	)		29		(15	)		(13,447	)
September 30, 2023 Ending Balance	$	44,758		$	15,111		$	75,885		$	18,809	$	56		$	154,619
Allowance for unfunded credit commitments:
December 31, 2022 Ending Balance	$	4,840		$	3,890		$	—		$	—	$	—		$	8,730
Provision/(reversal) for expected credit losses		3,714			(1,040	)		—			—		—			2,674
September 30, 2023 Ending Balance	$	8,554		$	2,850		$	—		$	—	$	—		$	11,404

									Residential
				Real Estate			Commercial		Mortgage Loans			Installment
	Commercial			Construction			Mortgage		and			and Other
	Loans			Loans			Loans		Equity Lines			Loans			Total
	(In thousands)
Allowance for Loan Losses:
December 31, 2021 Ending Balance	$	43,394		$	6,302		$	61,081	$	25,379		$	1		$	136,157
Provision/(reversal) for expected credit losses		7,258			(97	)		8,699		(3,357	)		206			12,709
Charge-offs		(2,362	)		—			—		(58	)		(80	)		(2,500	)
Recoveries		2,109			6			270		65			1			2,451
Net (charge-offs)/recoveries		(253	)		6			270		7			(79	)		(49	)
September 30, 2022 Ending Balance	$	50,399		$	6,211		$	70,050	$	22,029		$	128		$	148,817
Allowance for unfunded credit commitments:
December 31, 2021 Ending Balance	$	3,725		$	3,375		$	—	$	—		$	—		$	7,100
Provision/(reversal) for expected credit losses		655			(221	)		—		—			—			434
September 30, 2022 Ending Balance	$	4,380		$	3,154		$	—	$	—		$	—		$	7,534

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Note 13 - Fair Value Measurements and Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	September 30, 2023
	Fair Value Measurements Using						Total Fair Value
	Level 1		Level 2		Level 3		Measurements
	(In thousands)
Assets
Securities available-for-sale
U.S. Treasury securities	$	392,842	$	—	$	—	$	392,842
U.S. government agency entities		—		51,001		—		51,001
U.S. government sponsored entities		—		33,620		—		33,620
Mortgage-backed securities		—		761,803		—		761,803
Collateralized mortgage obligations		—		27,698		—		27,698
Corporate debt securities		—		231,872		—		231,872
Foreign debt securities		—		9,962		—		9,962
Total securities available-for-sale		392,842		1,115,956		—		1,508,798
Equity securities
Mutual funds		5,337		—		—		5,337
Preferred stock of government sponsored entities		1,378		—		—		1,378
Other equity securities		24,741		—		—		24,741
Total equity securities		31,456		—		—		31,456
Warrants		—		—		42		42
Interest rate swaps		—		83,434		—		83,434
Foreign exchange contracts		—		858		—		858
Total assets	$	424,298	$	1,200,248	$	42	$	1,624,588
Liabilities
Interest rate swaps	$	—	$	56,058	$	—	$	56,058
Foreign exchange contracts		—		939		—		939
Total liabilities	$	—	$	56,997	$	—	$	56,997

	December 31, 2022
	Fair Value Measurements Using						Total Fair Value
	Level 1		Level 2		Level 3		Measurements
	(In thousands)
Assets
Securities available-for-sale
U.S. Treasury securities	$	240,500	$	—	$	—	$	240,500
U.S. government agency entities		—		63,610		—		63,610
U.S. government sponsored entities		—		30,000		—		30,000
Mortgage-backed securities		—		867,094		—		867,094
Collateralized mortgage obligations		—		31,061		—		31,061
Corporate debt securities		—		241,083		—		241,083
Total securities available-for-sale		240,500		1,232,848		—		1,473,348
Equity securities
Mutual funds		5,509		—		—		5,509
Preferred stock of government sponsored entities		1,289		—		—		1,289
Other equity securities		15,360		—		—		15,360
Total equity securities		22,158		—		—		22,158
Warrants		—		—		50		50
Interest rate swaps		—		44,443		—		44,443
Foreign exchange contracts		—		448		—		448
Total assets	$	262,658	$	1,277,739	$	50	$	1,540,447
Liabilities
Interest rate swaps	$	—	$	51,864	$	—	$	51,864
Foreign exchange contracts		—		942		—		942
Total liabilities	$	—	$	52,806	$	—	$	52,806

Fair Value Measurements, Nonrecurring [Table Text Block]

	As of September 30, 2023								Total Losses
	Fair Value Measurements Using						Total Fair Value		For the Three Months Ended				For the Nine Months Ended
	Level 1		Level 2		Level 3		Measurements		September 30, 2023		September 30, 2022		September 30, 2023		September 30, 2022
	(In thousands)
Assets
Non accrual loans by type:
Commercial loans	$	—	$	—	$	—	$	—	$	—	$	1,786	$	—	$	1,786
Commercial mortgage loans		—		—		7,051		7,051		252		—		4,069		—
Real estate construction loans		—		—		5,034		5,034		—		—		—		—
Total non accrual loans		—		—		12,085		12,085		252		1,786		4,069		1,786
Other real estate owned (1)		—		—		15,328		15,328		—		—		—		—
Investments in venture capital		—		—		447		447		—		—		—		—
Total assets	$	—	$	—	$	27,860	$	27,860	$	252	$	1,786	$	4,069	$	1,786

	As of December 31, 2022								Total Losses
	Fair Value Measurements Using						Total Fair Value		For the Twelve Months Ended
	Level 1		Level 2		Level 3		Measurements		December 31, 2022		December 31, 2021
	(In thousands)
Assets
Non accrual loans by type:
Commercial loans	$	—	$	—	$	12,950	$	12,950	$	1,786	$	1,012
Commercial mortgage loans		—		—		32,205		32,205		2,091		—
Residential mortgage loans and equity lines		—		—		8,978		8,978		—		—
Installment and other loans		—		—		8		8		—		—
Total non accrual loans		—		—		54,141		54,141		3,877		1,012
Other real estate owned (1)		—		—		4,328		4,328		—		17
Investments in venture capital		—		—		689		689		268		143
Total assets	$	—	$	—	$	59,158	$	59,158	$	4,145	$	1,172

Fair Value, by Balance Sheet Grouping [Table Text Block]

	September 30, 2023				December 31, 2022
	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
	(In thousands)
Financial Assets
Cash and due from banks	$	145,580	$	145,580	$	195,440	$	195,440
Short-term investments		1,017,354		1,017,354		966,962		966,962
Securities available-for-sale		1,508,798		1,508,798		1,473,348		1,473,348
Loans, net		18,859,682		18,838,004		18,100,898		17,944,588
Equity securities		31,456		31,456		22,158		22,158
Investment in Federal Home Loan Bank stock		17,250		17,250		17,250		17,250
Warrants		42		42		50		50

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Foreign exchange contracts	$	220,784	$	858	$	72,996	$	448
Interest rate swaps		1,502,403		83,434		817,615		44,443

	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
Financial Liabilities
Deposits	$	19,635,588	$	19,746,224	$	18,505,279	$	18,572,387
Advances from Federal Home Loan Bank		15,000		14,186		485,000		482,737
Other borrowings		22,374		18,282		22,600		18,385
Long-term debt		119,136		68,536		119,136		68,231

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Foreign exchange contracts	$	64,971	$	939	$	170,213	$	942
Interest rate swaps		642,054		56,058		595,426		51,864

	Notional					Notional
	Amount		Fair Value			Amount		Fair Value
Off-Balance Sheet Financial Instruments
Commitments to extend credit	$	3,989,855	$	(15,038	)	$	3,630,304	$	(14,797	)
Standby letters of credit		329,789		(2,308	)		315,821		(2,738	)
Other letters of credit		10,214		(10	)		29,416		(33	)
Bill of lading guarantees		—		—			—		—

Schedule Of Fair Value Of Financial Instruments [Table Text Block]

	As of September 30, 2023
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	145,580	$	145,580	$	—	$	—
Short-term investments		1,017,354		1,017,354		—		—
Loans, net		18,838,004		—		—		18,838,004
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Financial Liabilities
Deposits		19,746,224		—		—		19,746,224
Advances from Federal Home Loan Bank		14,186		—		14,186		—
Other borrowings		18,282		—		—		18,282
Long-term debt		68,536		—		68,536		—

	As of December 31, 2022
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	195,440	$	195,440	$	—	$	—
Short-term investments		966,962		966,962		—		—
Loans, net		17,944,588		—		—		17,944,588
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Warrants		50		—		—		50
Financial Liabilities
Deposits		18,572,387		—		—		18,572,387
Advances from Federal Home Loan Bank		482,737		—		482,737		—
Other borrowings		18,385		—		—		18,385
Long-term debt		68,231		—		68,231		—

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Note 14 - Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	September 30, 2023			December 31, 2022
	(In thousands)
Gross balance	$	10,562		$	10,562
Accumulated amortization		(5,041	)		(4,291	)
Impairment		(1,227	)		(918	)
Net carrying balance	$	4,294		$	5,353

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

	Amount
	(In thousands)
2023	$	250
2024		1,001
2025		946
2026		870
2027		870
Thereafter		357
Total	$	4,294

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Note 15 - Financial Derivatives (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]

	September 30, 2023			December 31, 2022
	(In thousands)
Fair value swap hedges:
Notional	$	857,341		$	874,034
Weighted average fixed rate-pay		1.80	%		2.12	%
Weighted average variable rate spread		0.27	%		0.68	%
Weighted average variable rate-receive		5.33	%		2.61	%
Unrealized gain	$	27,378		$	38,589

	Three Months Ended				Nine Months Ended
	September 30, 2023		September 30, 2022		September 30, 2023		September 30, 2022
Periodic net settlement of swaps (1)	$	7,659	$	1,461	$	21,065	$	(1,628	)

Derivatives Not Designated as Hedging Instruments [Table Text Block]

Derivative financial instruments not designated as hedging instruments:	September 30, 2023			December 31, 2022
	(In thousands)
Notional amounts:
Forward, and swap contracts with positive fair value	$	862,838		$	72,996
Forward, and swap contracts with negative fair value	$	707,025		$	170,213
Fair value:
Forward, and swap contracts with positive fair value	$	56,858		$	448
Forward, and swap contracts with negative fair value	$	(56,939	)	$	(942	)

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Note 16 - Balance Sheet Offsetting (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Amounts Recognized in Balance Sheet [Table Text Block]

							Gross Amounts Not
							Offset in the Balance Sheet
	Gross Amounts Recognized		Gross Amounts Offset in the Balance Sheet		Net Amounts Presented in the Balance Sheet		Financial Instruments		Collateral Posted		Net Amount
	(In thousands)
September 30, 2023
Assets:
Derivatives	$	83,434	$	9,820	$	73,614	$	—	$	70,745	$	2,869
Liabilities:
Derivatives	$	56,058	$	—	$	56,058	$	—	$	—	$	56,058
December 31, 2022
Assets:
Derivatives	$	90,451	$	46,008	$	44,443	$	—	$	42,930	$	1,513
Liabilities:
Derivatives	$	51,864	$	—	$	51,864	$	—	$	—	$	51,864

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Note 17 - Revenue From Contracts With Clients (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended September 30,						Nine Months Ended September 30,
	2023			2022			2023		2022
	(In thousands)
Non-interest income, in-scope:
Fees and service charges on deposit accounts	$	2,218		$	2,398		$	7,073	$	7,156
Wealth management fees		5,150			4,184			12,686		12,494
Other service fees(1)		4,424			4,451			12,559		12,723
Total noninterest income		11,792			11,033			32,318		32,373
Noninterest income, not in-scope(2)		(3,955	)		(1,157	)		12,873		12,353
Total noninterest income	$	7,837		$	9,876		$	45,191	$	44,726

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Note 18 - Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Three Months Ended September 30, 2023									Three Months Ended September 30, 2022
	Pre-tax			Tax expense/ (benefit)			Net-of-tax			Pre-tax			Tax expense/ (benefit)			Net-of-tax
	(In thousands)
Beginning balance, gain/(loss), net of tax
Securities available-for-sale							$	(100,704	)							$	(72,210	)
Cash flow hedge derivatives								1,655									882
Total							$	(99,049	)							$	(71,328	)
Net unrealized gains/(losses) arising during the period
Securities available-for-sale	$	(34,133	)	$	(10,090	)	$	(24,043	)	$	(61,316	)	$	(18,125	)	$	(43,191	)
Cash flow hedge derivatives		(626	)		(185	)		(441	)		2,677			791			1,886
Total	$	(34,759	)	$	(10,275	)	$	(24,484	)	$	(58,639	)	$	(17,334	)	$	(41,305	)
Reclassification adjustment for net losses in net income
Cash flow hedge derivatives		—			—			—			(342	)		(101	)		(241	)
Total		—			—			—			(342	)		(101	)		(241	)
Total other comprehensive income/(loss)
Securities available-for-sale	$	(34,133	)	$	(10,090	)	$	(24,043	)	$	(61,316	)	$	(18,125	)	$	(43,191	)
Cash flow hedge derivatives		(626	)		(185	)		(441	)		2,335			690			1,645
Total	$	(34,759	)	$	(10,275	)	$	(24,484	)	$	(58,981	)	$	(17,435	)	$	(41,546	)
Ending balance, gain/(loss), net of tax
Securities available-for-sale							$	(124,747	)							$	(115,401	)
Cash flow hedge derivatives								1,214									2,527
Total							$	(123,533	)							$	(112,874	)

	Nine Months Ended September 30, 2023									Nine Months Ended September 30, 2022
	Pre-tax			Tax expense/ (benefit)			Net-of-tax			Pre-tax			Tax expense/ (benefit)			Net-of-tax
	(In thousands)
Beginning balance, gain/(loss), net of tax
Securities available-for-sale							$	(104,832	)							$	211
Cash flow hedge derivatives								2,537									(3,276	)
Total							$	(102,295	)							$	(3,065	)
Net unrealized gains/(losses) arising during the period
Securities available-for-sale	$	(28,272	)	$	(8,357	)	$	(19,915	)	$	(164,128	)	$	(48,516	)	$	(115,612	)
Cash flow hedge derivatives		(1,878	)		(555	)		(1,323	)		11,060			3,269			7,791
Total	$	(30,150	)	$	(8,912	)	$	(21,238	)	$	(153,068	)	$	(45,247	)	$	(107,821	)
Reclassification adjustment for net losses in net income
Cash flow hedge derivatives		—			—			—			(2,822	)		(834	)		(1,988	)
Total		—			—			—			(2,822	)		(834	)		(1,988	)
Total other comprehensive income/(loss)
Securities available-for-sale	$	(28,272	)	$	(8,357	)	$	(19,915	)	$	(164,128	)	$	(48,516	)	$	(115,612	)
Cash flow hedge derivatives		(1,878	)		(555	)		(1,323	)		8,238			2,435			5,803
Total	$	(30,150	)	$	(8,912	)	$	(21,238	)	$	(155,890	)	$	(46,081	)	$	(109,809	)
Ending balance, gain/(loss), net of tax
Securities available-for-sale							$	(124,747	)							$	(115,401	)
Cash flow hedge derivatives								1,214									2,527
Total							$	(123,533	)							$	(112,874	)

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Note 1 - Business (Details Textual)	Sep. 30, 2023
Number Of Limited Partnerships In Housing Investments	10
Percentage of Subsidiaries Common Securities Owned by Parent Company	100.00%
Southern California1 [Member]
Number Of Branch Locations	24
Northern California 1 [Member]
Number Of Branch Locations	19
NEW YORK
Number Of Branch Locations	9
WASHINGTON
Number Of Branch Locations	4
ILLINOIS
Number Of Branch Locations	2
TEXAS
Number Of Branch Locations	2
NEW JERSEY
Number Of Branch Locations	1
HONG KONG
Number Of Branch Locations	1

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Note 2 - Business Combinations (Details Textual) $ in Thousands	Feb. 07, 2022 USD ($)
HSBC Bank USA [Member]
Number Of Branch Locations	10
HSBC Bank USA West Coast Mass Market Consumer and Retail Banking Business [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financing Receivable	$ 646,100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deposit Liabilities	$ 575,163

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Note 2 - Business Combinations - Assets and Liabilities Acquired (Details) - USD ($) $ in Thousands	Feb. 07, 2022	Sep. 30, 2023	Dec. 31, 2022
Goodwill		$ 375,696	$ 375,696
HSBC Bank USA West Coast Mass Market Consumer and Retail Banking Business [Member]
Cash and cash equivalents	$ 473
Loans	641,839
Right-of-use assets - operating leases	6,453
Core deposit intangible	3,138
Other	561
Total assets	652,464
Deposits	575,163
Lease liabilities	6,453
Total liabilities assumed	581,616
Net assets acquired	70,848
Total cash paid at closing	74,355
Goodwill	$ 3,507

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Note 3 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share, Basic (in dollars per share)	$ 1.14	$ 1.34	$ 3.74	$ 3.52
Earnings Per Share, Diluted (in dollars per share)	$ 1.13	1.33	$ 3.73	$ 3.5
Revision of Prior Period, Error Correction, Adjustment [Member]
Earnings Per Share, Basic (in dollars per share)		0.01
Earnings Per Share, Diluted (in dollars per share)		$ 0.02

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Note 5 - Cash, Cash Equivalents and Restricted Cash (Details Textual) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Average Excess Balances Maintained With Federal Reserve Bank	$ 1,100.0	$ 1,240.0
Margin Deposit Assets	84.9	88.9
Restricted Cash	24.6	25.4
Bank [Member]
Restricted Cash	$ 4.4	$ 8.2

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Note 6 - Earnings Per Share - Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net income	$ 82,371	$ 99,035	$ 271,598	$ 263,041
Basic weighted-average number of common shares outstanding (in shares)	72,568,518	73,956,052	72,546,149	74,743,941
Dilutive effect of weighted-average outstanding common share equivalents RSUs (in shares)	321,896	286,000	301,758	324,291
Diluted weighted-average number of common shares outstanding (in shares)	72,890,414	74,242,052	72,847,907	75,068,232
Average restricted stock units with anti-dilutive effect (in shares)	0	13,534	2,098	48,073
Basic (in dollars per share)	$ 1.14	$ 1.34	$ 3.74	$ 3.52
Diluted (in dollars per share)	$ 1.13	$ 1.33	$ 3.73	$ 3.5

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Note 7 - Stock-based Compensation (Details Textual) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)	1,581,507		1,581,507
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)			3 years
Share-Based Payment Arrangement, Expense	$ 2.0	$ 1.8	$ 5.0	$ 5.2
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 11.9	$ 10.7	$ 11.9	$ 10.7
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)			2 years
Performance-based Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)			3 years
Performance-based Restricted Stock Units [Member] | Minimum [Member] | Share-Based Payment Arrangement, Tranche One [Member]
Performance-based Restricted Stock Units, Number of Shares That May Vest, Percentage of Target	0.00%		0.00%
Performance-based Restricted Stock Units [Member] | Maximum [Member] | Share-Based Payment Arrangement, Tranche One [Member]
Performance-based Restricted Stock Units, Number of Shares That May Vest, Percentage of Target	150.00%		150.00%

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Note 7 - Stock-based Compensation - Restricted Stock Units (Details)	9 Months Ended
	Sep. 30, 2023 $ / shares shares
Time-based Restricted Stock Units [Member]
Balance (in shares) | shares	202,059
Balance, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 33.29
Granted (in shares) | shares	85,120
Granted, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 37.97
Vested (in shares) | shares	(2,381)
Vested, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 35.19
Forfeited (in shares) | shares	(1,774)
Forfeited, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 42.52
Balance (in shares) | shares	283,024
Balance, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 34.62
Performance-based Restricted Stock Units [Member]
Balance (in shares) | shares	362,965
Balance, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 31.56
Granted (in shares) | shares	123,504
Granted, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 38.41
Vested (in shares) | shares	(136,808)
Vested, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 34.21
Forfeited (in shares) | shares	0
Forfeited, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 0
Balance (in shares) | shares	349,661
Balance, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 32.94

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Note 8 - Investment Securities (Details Textual) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Mar. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss		$ 5,500		$ 5,500
Equity Securities, FV-NI, Unrealized Gain (Loss)		(6,200)	$ (3,700)	9,298	$ 1,257
Equity Securities, FV-NI, Current		$ 31,456		$ 31,456		$ 22,158
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions		202		202		195
Debt Securities, Available-for-Sale, Realized Loss	$ 3,000
Debt Securities, Available-for-Sale, Allowance for Credit Loss		$ 0		$ 0
Debt Securities, Available-for-Sale, Transfer in, Allowance for Credit Loss, Expense		0		0
Pledged Investment Securities		$ 132,200		$ 132,200		$ 145,700
Collateralized Mortgage-Backed Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions		161		161		159
Corporate Debt Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions		24		24		22
US Treasury Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions						6
Collateralized Mortgage Obligations [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions						5
US Government Corporations and Agencies Securities [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions						3

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Note 8 - Investment Securities - Investment Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Investment securities available for sale, amortized cost	$ 1,684,951	$ 1,622,173
Investment securities available for sale, gross unrealized gains	227	690
Investment securities available for sale, gross unrealized losses	176,380	149,515
Securities available-for-sale	1,508,798	1,473,348
US Treasury Securities [Member]
Investment securities available for sale, amortized cost	392,956	241,611
Investment securities available for sale, gross unrealized gains	41	0
Investment securities available for sale, gross unrealized losses	155	1,111
Securities available-for-sale	392,842	240,500
US Government Corporations and Agencies Securities [Member]
Investment securities available for sale, amortized cost	51,018	63,347
Investment securities available for sale, gross unrealized gains	144	384
Investment securities available for sale, gross unrealized losses	161	121
Securities available-for-sale	51,001	63,610
US Government-sponsored Enterprises Debt Securities [Member]
Investment securities available for sale, amortized cost	33,709	30,000
Investment securities available for sale, gross unrealized gains	0	0
Investment securities available for sale, gross unrealized losses	89	0
Securities available-for-sale	33,620	30,000
Collateralized Mortgage-Backed Securities [Member]
Investment securities available for sale, amortized cost	916,719	993,883
Investment securities available for sale, gross unrealized gains	42	194
Investment securities available for sale, gross unrealized losses	154,958	126,983
Securities available-for-sale	761,803	867,094
Collateralized Mortgage Obligations [Member]
Investment securities available for sale, amortized cost	32,015	34,552
Investment securities available for sale, gross unrealized gains	0	0
Investment securities available for sale, gross unrealized losses	4,317	3,491
Securities available-for-sale	27,698	31,061
Corporate Debt Securities [Member]
Investment securities available for sale, amortized cost	248,534	258,780
Investment securities available for sale, gross unrealized gains	0	112
Investment securities available for sale, gross unrealized losses	16,662	17,809
Securities available-for-sale	231,872	$ 241,083
Debt Security, Corporate, Non-US [Member]
Investment securities available for sale, amortized cost	10,000
Investment securities available for sale, gross unrealized gains	0
Investment securities available for sale, gross unrealized losses	38
Securities available-for-sale	$ 9,962

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Note 8 - Investment Securities - Investments by Contractual Maturity Date (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Due in one year or less, Amortized Cost	$ 442,957
Due in one year or less, Fair Value	442,208
Due after one year through five years, Amortized Cost	241,407
Due after one year through five years, Fair Value	225,644
Due after five years through ten years, Amortized Cost	154,327
Due after five years through ten years, Fair Value	142,157
Due after ten years, Amortized Cost	846,260
Due after ten years, Fair Value	698,789
Total, Amortized Cost	1,684,951	$ 1,622,173
Total, Fair Value	$ 1,508,798	$ 1,473,348

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Note 8 - Investment Securities - Temporarily Impaired Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Temporarily impaired securities, less than 12 months, fair value	$ 196,414	$ 769,045
Temporarily impaired securities, less than 12 months, unrealized losses	2,649	39,023
Temporarily impaired securities, 12 months or longer, fair value	986,143	562,156
Temporarily impaired securities, 12 months or longer, unrealized losses	173,731	110,492
Temporarily impaired securities, total fair value	1,182,557	1,331,201
Temporarily impaired securities, total unrealized losses	176,380	149,515
US Treasury Securities [Member]
Temporarily impaired securities, less than 12 months, fair value	49,153	240,500
Temporarily impaired securities, less than 12 months, unrealized losses	126	1,111
Temporarily impaired securities, 12 months or longer, fair value	49,804	0
Temporarily impaired securities, 12 months or longer, unrealized losses	29	0
Temporarily impaired securities, total fair value	98,957	240,500
Temporarily impaired securities, total unrealized losses	155	1,111
US Government Corporations and Agencies Securities [Member]
Temporarily impaired securities, less than 12 months, fair value	17,698	0
Temporarily impaired securities, less than 12 months, unrealized losses	39	0
Temporarily impaired securities, 12 months or longer, fair value	1,487	1,806
Temporarily impaired securities, 12 months or longer, unrealized losses	122	121
Temporarily impaired securities, total fair value	19,185	1,806
Temporarily impaired securities, total unrealized losses	161	121
Collateralized Mortgage-Backed Securities [Member]
Temporarily impaired securities, less than 12 months, fair value	17,695	394,123
Temporarily impaired securities, less than 12 months, unrealized losses	642	33,042
Temporarily impaired securities, 12 months or longer, fair value	743,568	452,739
Temporarily impaired securities, 12 months or longer, unrealized losses	154,316	93,941
Temporarily impaired securities, total fair value	761,263	846,862
Temporarily impaired securities, total unrealized losses	154,958	126,983
Collateralized Mortgage Obligations [Member]
Temporarily impaired securities, less than 12 months, fair value	0	24,427
Temporarily impaired securities, less than 12 months, unrealized losses	0	1,614
Temporarily impaired securities, 12 months or longer, fair value	27,698	6,634
Temporarily impaired securities, 12 months or longer, unrealized losses	4,317	1,877
Temporarily impaired securities, total fair value	27,698	31,061
Temporarily impaired securities, total unrealized losses	4,317	3,491
Corporate Debt Securities [Member]
Temporarily impaired securities, less than 12 months, fair value	68,285	109,995
Temporarily impaired securities, less than 12 months, unrealized losses	1,715	3,256
Temporarily impaired securities, 12 months or longer, fair value	163,586	100,977
Temporarily impaired securities, 12 months or longer, unrealized losses	14,947	14,553
Temporarily impaired securities, total fair value	231,871	210,972
Temporarily impaired securities, total unrealized losses	16,662	$ 17,809
US Government-sponsored Enterprises Debt Securities [Member]
Temporarily impaired securities, less than 12 months, fair value	33,621
Temporarily impaired securities, less than 12 months, unrealized losses	89
Temporarily impaired securities, 12 months or longer, fair value	0
Temporarily impaired securities, 12 months or longer, unrealized losses	0
Temporarily impaired securities, total fair value	33,621
Temporarily impaired securities, total unrealized losses	89
Debt Security, Corporate, Non-US [Member]
Temporarily impaired securities, less than 12 months, fair value	9,962
Temporarily impaired securities, less than 12 months, unrealized losses	38
Temporarily impaired securities, 12 months or longer, fair value	0
Temporarily impaired securities, 12 months or longer, unrealized losses	0
Temporarily impaired securities, total fair value	9,962
Temporarily impaired securities, total unrealized losses	$ 38

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Note 9 - Loans (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Percentage Of Charge Off To Contractual Balances For Impaired Loans	6.20%		6.20%		14.10%
Financing Receivables, Impaired, Troubled Debt Restructuring, Specific Reserve		$ 0		$ 0
Financing Receivable, Modified, Subsequent Default	$ 0		$ 0
Financing Receivable, Troubled Debt Restructuring, Commitment to Lend	0		$ 0
Minimum [Member]
Period Loan Is In Payment Default (Day)			60 days
Maximum [Member]
Period Loan Is In Payment Default (Day)			90 days
Nonaccrual Loans [Member]
Impaired Financing Receivable, Recorded Investment	$ 77,300		$ 77,300		$ 68,900
Accruing Troubled Debt Restructuring [Member]
Financing Receivable, Troubled Debt Restructuring					15,100
Financing Receivables, Impaired, Troubled Debt Restructuring, Specific Reserve					0
Non-accruing Troubled Debt Restructuring [Member]
Financing Receivable, Troubled Debt Restructuring					6,300
Financing Receivables, Impaired, Troubled Debt Restructuring, Specific Reserve					$ 427

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Note 9 - Loans - Components of Loans in Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Loans	$ 19,023,822		$ 18,254,024
Less: Allowance for loan losses	(154,619)	$ (155,109)	(146,485)	$ (148,817)	$ (148,772)	$ (136,157)
Unamortized deferred loan fees, net	(9,521)		(6,641)
Loans, net	18,859,682		18,100,898
Commercial Portfolio Segment [Member]
Loans	3,090,609		3,318,778
Less: Allowance for loan losses	(44,758)	(50,579)	(49,435)	(50,399)	(49,069)	(43,394)
Real Estate Construction Portfolio Segment [Member]
Loans	474,294		559,372
Less: Allowance for loan losses	(15,111)	(12,751)	(10,417)	(6,211)	(7,276)	(6,302)
Commercial Real Estate Portfolio Segment [Member]
Loans	9,511,805		8,793,685
Less: Allowance for loan losses	(75,885)	(73,547)	(68,366)	(70,050)	(68,600)	(61,081)
Residential Portfolio Segment [Member]
Loans	5,685,844		5,252,952
Equity Lines Portfolio Segment [Member]
Loans	253,826		324,548
Installment and Other Loans [Member ]
Loans	7,444		4,689
Less: Allowance for loan losses	$ (56)	$ (18)	$ (35)	$ (128)	$ (135)	$ (1)

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Note 9 - Loans - Average Balance and Interest Income Recognized Related to Nonaccrual Loans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Average Recorded Investment	$ 74,673	$ 62,474	$ 71,878	$ 72,442
Interest Income Recognized	79	198	254	528
Commercial Portfolio Segment [Member]
Average Recorded Investment	13,147	26,809	18,982	28,691
Interest Income Recognized	5	0	10	0
Real Estate Construction Portfolio Segment [Member]
Average Recorded Investment	11,266		3,797
Interest Income Recognized	0		0
Commercial Real Estate Portfolio Segment [Member]
Average Recorded Investment	37,046	18,861	37,446
Interest Income Recognized	74	191	244
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Average Recorded Investment	13,214	16,743	11,652	14,838
Interest Income Recognized	0	$ 7	0	$ 61
Installment and Other Loans [Member ]
Average Recorded Investment	0		1
Interest Income Recognized	$ 0		$ 0

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Note 9 - Loans - Nonaccrual Loans and Related Allowance for Credit Losses (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Loans with no related allowance, unpaid principal balance	$ 89,455	$ 74,673
Loans with no related allowance, recorded investment	68,075	54,140
Loans with related allowance, unpaid principal balance		16,539
Loans with related allowance, recorded investment		14,714
Allowance	4,221	3,941
Unpaid principal balance	98,710	91,212
Non-accrual loans	77,330	68,854
Commercial Portfolio Segment [Member]
Loans with no related allowance, unpaid principal balance	26,116	27,341
Loans with no related allowance, recorded investment	14,661	12,949
Loans with related allowance, unpaid principal balance		14,643
Loans with related allowance, recorded investment		12,823
Allowance		3,734
Commercial Real Estate Portfolio Segment [Member]
Loans with no related allowance, unpaid principal balance	42,020	37,697
Loans with no related allowance, recorded investment	32,539	32,205
Loans with related allowance, unpaid principal balance		1,896
Loans with related allowance, recorded investment		1,891
Allowance		207
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans with no related allowance, unpaid principal balance	13,582	9,626
Loans with no related allowance, recorded investment	13,138	8,978
Real Estate Construction Portfolio Segment [Member]
Loans with no related allowance, unpaid principal balance	7,737
Loans with no related allowance, recorded investment	7,737
Loans with related allowance, unpaid principal balance	9,255
Loans with related allowance, recorded investment	9,255
Allowance	$ 4,221
Installment and Other Loans [Member ]
Loans with no related allowance, unpaid principal balance		9
Loans with no related allowance, recorded investment		$ 8

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Note 9 - Loans - Aging of Loan Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Loans	$ 19,023,822	$ 18,254,024
Non-accrual loans	77,330	68,854
Financial Asset, 30 to 59 Days Past Due [Member]
Loans	14,750	81,012
Financial Asset, 60 to 89 Days Past Due [Member]
Loans	20,672	8,921
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	1,924	11,580
Financial Asset, Past Due [Member]
Loans	114,676	170,367
Non-accrual loans	77,330	68,854
Financial Asset, Not Past Due [Member]
Loans	18,909,146	18,083,657
Commercial Portfolio Segment [Member]
Loans	3,090,609	3,318,778
Commercial Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	6,835	8,192
Commercial Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	3,634	3,235
Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	1,204	10,208
Commercial Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Loans	26,334	47,407
Non-accrual loans	14,661	25,772
Commercial Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans	3,064,275	3,271,371
Real Estate Construction Portfolio Segment [Member]
Loans	474,294	559,372
Real Estate Construction Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	0	0
Real Estate Construction Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	0
Real Estate Construction Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	0	0
Real Estate Construction Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Loans	16,992	0
Non-accrual loans	16,992	0
Real Estate Construction Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans	457,302	559,372
Commercial Real Estate Portfolio Segment [Member]
Loans	9,511,805	8,793,685
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	3,246	25,772
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	6,357	0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	720	1,372
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Loans	42,862	61,240
Non-accrual loans	32,539	34,096
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans	9,468,943	8,732,445
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans	5,939,670	5,577,500
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	4,663	47,043
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	10,681	5,685
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	0	0
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Loans	28,482	61,706
Non-accrual loans	13,138	8,978
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loans	5,911,188	5,515,794
Installment and Other Loans [Member ]
Loans	7,444	4,689
Installment and Other Loans [Member ] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	6	5
Installment and Other Loans [Member ] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	1
Installment and Other Loans [Member ] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	0	0
Installment and Other Loans [Member ] | Financial Asset, Past Due [Member]
Loans	6	14
Non-accrual loans	0	8
Installment and Other Loans [Member ] | Financial Asset, Not Past Due [Member]
Loans	$ 7,438	$ 4,675

XML

Note 9 - Loans - Troubled Debt Restructuring (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)
No. of Contracts		6		14
Pre-modification		$ 4,038		$ 10,877
Post-modification	$ 2,653	4,014	$ 2,688	10,849
Specific Reserve		0		0
Charge-offs		$ 3		$ 2,570
Commercial Portfolio Segment [Member]
No. of Contracts		2		4
Pre-modification		$ 2,572		$ 6,115
Post-modification	$ 2,653	2,572	$ 2,688	6,115
Specific Reserve		0		0
Charge-offs		$ 0		$ 2,566
Residential Mortgage and Equity Lines Portfolio Segment [Member]
No. of Contracts		4		8
Pre-modification		$ 1,466		$ 2,190
Post-modification		1,442		2,162
Specific Reserve		0		0
Charge-offs		$ 3		$ 4
Commercial Mortgage Loans [Member]
No. of Contracts				2
Pre-modification				$ 2,572
Post-modification				2,572
Specific Reserve				0
Charge-offs				$ 0

XML

Note 9 - Loans - Amortized Cost of Modified Loans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Modified	$ 2,653	$ 4,014	$ 2,688	$ 10,849
Extended Maturity [Member]
Modified	1,489		1,489
Rate Reduction and Term Extension and Payment Deferral [Member]
Modified	1,164		1,199
Commercial Portfolio Segment [Member]
Modified	$ 2,653	$ 2,572	$ 2,688	$ 6,115
% of total loans	0.09%		0.09%
Weighted average rate reduction	0.94%		1.27%
Weighted average term increase (Year)	9 months 18 days		9 months 18 days
Weighted average payment deferral (Year)	4 months 24 days		4 months 20 days
Commercial Portfolio Segment [Member] | Extended Maturity [Member]
Modified	$ 1,489		$ 1,489
Commercial Portfolio Segment [Member] | Rate Reduction and Term Extension and Payment Deferral [Member]
Modified	$ 1,164		$ 1,199

XML

Note 9 - Loans - Performance of Modified Loans (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023
Modified	$ 2,653	$ 2,688
Financial Asset, Not Past Due [Member]
Modified	2,653	2,688
Financial Asset, 30 to 89 Days Past Due [Member]
Modified	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified	0	0
Commercial Portfolio Segment [Member]
Modified	2,653	2,688
Commercial Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Modified	2,653	2,688
Commercial Portfolio Segment [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Modified	0	0
Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Modified	$ 0	$ 0

XML

Note 9 - Loans - Accruing Troubled Debt Restructurings (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Accruing Troubled Debt Restructuring [Member]
Accruing TDRs	$ 15,145
Accruing Troubled Debt Restructuring [Member] | Payment Deferral [Member]
Accruing TDRs	7,560
Accruing Troubled Debt Restructuring [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	445
Accruing Troubled Debt Restructuring [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	7,140
Non-accruing Troubled Debt Restructuring [Member]
Accruing TDRs	6,348
Non-accruing Troubled Debt Restructuring [Member] | Payment Deferral [Member]
Accruing TDRs	6,348
Non-accruing Troubled Debt Restructuring [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	0
Non-accruing Troubled Debt Restructuring [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	0
Commercial Portfolio Segment [Member] | Accruing Troubled Debt Restructuring [Member]
Accruing TDRs	2,588
Commercial Portfolio Segment [Member] | Accruing Troubled Debt Restructuring [Member] | Payment Deferral [Member]
Accruing TDRs	2,588
Commercial Portfolio Segment [Member] | Accruing Troubled Debt Restructuring [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	0
Commercial Portfolio Segment [Member] | Accruing Troubled Debt Restructuring [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	0
Commercial Portfolio Segment [Member] | Non-accruing Troubled Debt Restructuring [Member]
Accruing TDRs	3,629
Commercial Portfolio Segment [Member] | Non-accruing Troubled Debt Restructuring [Member] | Payment Deferral [Member]
Accruing TDRs	3,629
Commercial Portfolio Segment [Member] | Non-accruing Troubled Debt Restructuring [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	0
Commercial Portfolio Segment [Member] | Non-accruing Troubled Debt Restructuring [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	0
Commercial Real Estate Portfolio Segment [Member] | Accruing Troubled Debt Restructuring [Member]
Accruing TDRs	8,646
Commercial Real Estate Portfolio Segment [Member] | Accruing Troubled Debt Restructuring [Member] | Payment Deferral [Member]
Accruing TDRs	2,791
Commercial Real Estate Portfolio Segment [Member] | Accruing Troubled Debt Restructuring [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	0
Commercial Real Estate Portfolio Segment [Member] | Accruing Troubled Debt Restructuring [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	5,855
Commercial Real Estate Portfolio Segment [Member] | Non-accruing Troubled Debt Restructuring [Member]
Accruing TDRs	1,098
Commercial Real Estate Portfolio Segment [Member] | Non-accruing Troubled Debt Restructuring [Member] | Payment Deferral [Member]
Accruing TDRs	1,098
Commercial Real Estate Portfolio Segment [Member] | Non-accruing Troubled Debt Restructuring [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	0
Commercial Real Estate Portfolio Segment [Member] | Non-accruing Troubled Debt Restructuring [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	0
Residential Portfolio Segment [Member] | Accruing Troubled Debt Restructuring [Member]
Accruing TDRs	3,911
Residential Portfolio Segment [Member] | Accruing Troubled Debt Restructuring [Member] | Payment Deferral [Member]
Accruing TDRs	2,181
Residential Portfolio Segment [Member] | Accruing Troubled Debt Restructuring [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	445
Residential Portfolio Segment [Member] | Accruing Troubled Debt Restructuring [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	1,285
Residential Portfolio Segment [Member] | Non-accruing Troubled Debt Restructuring [Member]
Accruing TDRs	1,621
Residential Portfolio Segment [Member] | Non-accruing Troubled Debt Restructuring [Member] | Payment Deferral [Member]
Accruing TDRs	1,621
Residential Portfolio Segment [Member] | Non-accruing Troubled Debt Restructuring [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	0
Residential Portfolio Segment [Member] | Non-accruing Troubled Debt Restructuring [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	$ 0

XML

Note 9 - Loans - Loan Held for Investment by Loan Portfolio Segments, Internal Risk Ratings and Vintage Year (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Loans originated in current year	$ 2,801,037		$ 2,801,037		$ 3,943,040
Loans originated year prior	3,697,058		3,697,058		3,489,846
Loans originated three years prior	3,189,006		3,189,006		1,905,136
Loans originated four years prior	1,662,819		1,662,819		1,908,992
Loans originated five years prior	1,742,356		1,742,356		1,530,238
Total, Loans Amortized Cost Basis by Origination Year Prior	3,817,666		3,817,666		3,138,606
Total, Revolving Loans	2,079,465		2,079,465		2,303,152
Total, Revolving Converted to Term Loans	24,894		24,894		28,373
Total loans	19,014,301		19,014,301		18,247,383
Loans originated in current year, write offs			0		211
Loans originated year prior, write offs			291		587
Loans originated three years prior, write offs			967		120
Loans originated four years prior, write offs			245		71
Loans originated five years prior, write offs			4,641		3,877
Total, Loans Amortized Cost Basis by Origination Year Prior, Write Offs			10,208		360
Total, Revolving Loans Write Offs			1,521		264
Total, Revolving Converted to Term Loans, Write Offs			0		0
YTD gross write-offs	7,483	$ 2,228	17,873	$ 2,500	5,490
Total loans	19,014,301		19,014,301		18,247,383
Commercial Portfolio Segment [Member]
Loans originated in current year	263,680		263,680		489,985
Loans originated year prior	390,597		390,597		464,093
Loans originated three years prior	377,397		377,397		183,386
Loans originated four years prior	142,939		142,939		125,786
Loans originated five years prior	92,562		92,562		113,155
Total, Loans Amortized Cost Basis by Origination Year Prior	162,292		162,292		117,988
Total, Revolving Loans	1,651,639		1,651,639		1,816,937
Total, Revolving Converted to Term Loans	7,397		7,397		6,693
Total loans	3,088,503		3,088,503		3,318,023
Loans originated in current year, write offs			0		96
Loans originated year prior, write offs			276		587
Loans originated three years prior, write offs			760		120
Loans originated four years prior, write offs			245		71
Loans originated five years prior, write offs			3,672		1,786
Total, Loans Amortized Cost Basis by Origination Year Prior, Write Offs			6,043		360
Total, Revolving Loans Write Offs			1,521		202
Total, Revolving Converted to Term Loans, Write Offs			0		0
YTD gross write-offs	6,254	2,091	12,517	2,362	3,222
Total loans	3,088,503		3,088,503		3,318,023
Commercial Portfolio Segment [Member] | Pass [Member]
Loans originated in current year	259,326		259,326		488,748
Loans originated year prior	387,990		387,990		446,647
Loans originated three years prior	357,365		357,365		180,226
Loans originated four years prior	113,463		113,463		119,355
Loans originated five years prior	90,879		90,879		107,896
Total, Loans Amortized Cost Basis by Origination Year Prior	155,766		155,766		106,649
Total, Revolving Loans	1,568,766		1,568,766		1,753,509
Total, Revolving Converted to Term Loans	7,175		7,175		6,560
Total loans	2,940,730		2,940,730		3,209,590
Total loans	2,940,730		2,940,730		3,209,590
Commercial Portfolio Segment [Member] | Special Mention [Member]
Loans originated in current year	4,188		4,188		1,212
Loans originated year prior	2,083		2,083		4,696
Loans originated three years prior	8,582		8,582		2,818
Loans originated four years prior	29,311		29,311		68
Loans originated five years prior	915		915		308
Total, Loans Amortized Cost Basis by Origination Year Prior	773		773		4,354
Total, Revolving Loans	53,164		53,164		41,110
Total, Revolving Converted to Term Loans	0		0		0
Total loans	99,016		99,016		54,566
Total loans	99,016		99,016		54,566
Commercial Portfolio Segment [Member] | Substandard [Member]
Loans originated in current year	166		166		25
Loans originated year prior	524		524		12,750
Loans originated three years prior	11,450		11,450		342
Loans originated four years prior	165		165		4,859
Loans originated five years prior	768		768		2,766
Total, Loans Amortized Cost Basis by Origination Year Prior	5,753		5,753		6,985
Total, Revolving Loans	29,709		29,709		22,084
Total, Revolving Converted to Term Loans	222		222		133
Total loans	48,757		48,757		49,944
Total loans	48,757		48,757		49,944
Commercial Portfolio Segment [Member] | Doubtful [Member]
Loans originated in current year					0
Loans originated year prior					0
Loans originated three years prior					0
Loans originated four years prior					1,504
Loans originated five years prior					2,185
Total, Loans Amortized Cost Basis by Origination Year Prior					0
Total, Revolving Loans					234
Total, Revolving Converted to Term Loans					0
Total loans					3,923
Total loans					3,923
Real Estate Construction Portfolio Segment [Member]
Loans originated in current year	23,786		23,786		99,798
Loans originated year prior	118,205		118,205		264,557
Loans originated three years prior	226,250		226,250		122,761
Loans originated four years prior	44,627		44,627		33,858
Loans originated five years prior	24,269		24,269		35,321
Total, Loans Amortized Cost Basis by Origination Year Prior	35,385		35,385		0
Total, Revolving Loans	0		0		0
Total, Revolving Converted to Term Loans	0		0		0
Total loans	472,522		472,522		556,295
Loans originated in current year, write offs			0		0
Loans originated year prior, write offs			0		0
Loans originated three years prior, write offs			0		0
Loans originated four years prior, write offs			0		0
Loans originated five years prior, write offs			0		0
Total, Loans Amortized Cost Basis by Origination Year Prior, Write Offs			0		0
Total, Revolving Loans Write Offs			0		0
Total, Revolving Converted to Term Loans, Write Offs			0		0
YTD gross write-offs	(0)	(0)	0	(0)	0
Total loans	472,522		472,522		556,295
Real Estate Construction Portfolio Segment [Member] | Pass [Member]
Loans originated in current year	22,304		22,304		99,798
Loans originated year prior	118,205		118,205		264,197
Loans originated three years prior	218,002		218,002		113,312
Loans originated four years prior	44,627		44,627		20,479
Loans originated five years prior	16,533		16,533		3,067
Total, Loans Amortized Cost Basis by Origination Year Prior	3,132		3,132		0
Total, Revolving Loans	0		0		0
Total, Revolving Converted to Term Loans	0		0		0
Total loans	422,803		422,803		500,853
Total loans	422,803		422,803		500,853
Real Estate Construction Portfolio Segment [Member] | Special Mention [Member]
Loans originated in current year	1,482		1,482		0
Loans originated year prior	0		0		360
Loans originated three years prior	8,248		8,248		9,449
Loans originated four years prior	0		0		11,643
Loans originated five years prior	0		0		22,945
Total, Loans Amortized Cost Basis by Origination Year Prior	22,998		22,998		0
Total, Revolving Loans	0		0		0
Total, Revolving Converted to Term Loans	0		0		0
Total loans	32,728		32,728		44,397
Total loans	32,728		32,728		44,397
Real Estate Construction Portfolio Segment [Member] | Substandard [Member]
Loans originated in current year	0		0		0
Loans originated year prior	0		0		0
Loans originated three years prior	0		0		0
Loans originated four years prior	0		0		1,736
Loans originated five years prior	7,736		7,736		9,309
Total, Loans Amortized Cost Basis by Origination Year Prior	9,255		9,255		0
Total, Revolving Loans	0		0		0
Total, Revolving Converted to Term Loans	0		0		0
Total loans	16,991		16,991		11,045
Total loans	16,991		16,991		11,045
Commercial Real Estate Portfolio Segment [Member]
Loans originated in current year	1,661,430		1,661,430		2,122,120
Loans originated year prior	2,036,965		2,036,965		1,793,483
Loans originated three years prior	1,664,536		1,664,536		1,015,938
Loans originated four years prior	932,785		932,785		1,146,596
Loans originated five years prior	1,065,872		1,065,872		961,646
Total, Loans Amortized Cost Basis by Origination Year Prior	1,952,259		1,952,259		1,566,608
Total, Revolving Loans	190,572		190,572		182,347
Total, Revolving Converted to Term Loans	0		0		0
Total loans	9,504,419		9,504,419		8,788,738
Loans originated in current year, write offs			0		0
Loans originated year prior, write offs			0		0
Loans originated three years prior, write offs			207		0
Loans originated four years prior, write offs			0		0
Loans originated five years prior, write offs			969		2,091
Total, Loans Amortized Cost Basis by Origination Year Prior, Write Offs			4,165		0
Total, Revolving Loans Write Offs			0		0
Total, Revolving Converted to Term Loans, Write Offs			0		0
YTD gross write-offs	1,221	(0)	5,341	(0)	2,091
Total loans	9,504,419		9,504,419		8,788,738
Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
Loans originated in current year	1,626,562		1,626,562		2,087,650
Loans originated year prior	2,005,931		2,005,931		1,728,607
Loans originated three years prior	1,617,398		1,617,398		975,953
Loans originated four years prior	923,929		923,929		1,094,505
Loans originated five years prior	1,032,298		1,032,298		908,748
Total, Loans Amortized Cost Basis by Origination Year Prior	1,855,014		1,855,014		1,420,982
Total, Revolving Loans	186,502		186,502		178,116
Total, Revolving Converted to Term Loans	0		0		0
Total loans	9,247,634		9,247,634		8,394,561
Total loans	9,247,634		9,247,634		8,394,561
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Loans originated in current year	34,868		34,868		22,150
Loans originated year prior	19,097		19,097		57,015
Loans originated three years prior	34,891		34,891		25,593
Loans originated four years prior	3,330		3,330		32,119
Loans originated five years prior	16,198		16,198		17,999
Total, Loans Amortized Cost Basis by Origination Year Prior	34,985		34,985		63,782
Total, Revolving Loans	1,399		1,399		1,600
Total, Revolving Converted to Term Loans	0		0		0
Total loans	144,768		144,768		220,258
Total loans	144,768		144,768		220,258
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Loans originated in current year	0		0		12,320
Loans originated year prior	11,937		11,937		7,861
Loans originated three years prior	12,247		12,247		14,392
Loans originated four years prior	5,526		5,526		19,972
Loans originated five years prior	17,376		17,376		34,899
Total, Loans Amortized Cost Basis by Origination Year Prior	62,260		62,260		81,844
Total, Revolving Loans	2,671		2,671		2,631
Total, Revolving Converted to Term Loans	0		0		0
Total loans	112,017		112,017		173,919
Total loans	112,017		112,017		173,919
Residential Portfolio Segment [Member]
Loans originated in current year	847,550		847,550		1,228,597
Loans originated year prior	1,148,442		1,148,442		965,561
Loans originated three years prior	920,818		920,818		583,051
Loans originated four years prior	542,468		542,468		602,752
Loans originated five years prior	559,653		559,653		420,116
Total, Loans Amortized Cost Basis by Origination Year Prior	1,667,730		1,667,730		1,454,010
Total, Revolving Loans	0		0		0
Total, Revolving Converted to Term Loans	0		0		0
Total loans	5,686,661		5,686,661		5,254,087
Loans originated in current year, write offs			0		0
Loans originated year prior, write offs			0		0
Loans originated three years prior, write offs			0		0
Loans originated four years prior, write offs			0		0
Loans originated five years prior, write offs			0		0
Total, Loans Amortized Cost Basis by Origination Year Prior, Write Offs			0		0
Total, Revolving Loans Write Offs			0		0
Total, Revolving Converted to Term Loans, Write Offs			0		0
YTD gross write-offs			0		0
Total loans	5,686,661		5,686,661		5,254,087
Residential Portfolio Segment [Member] | Pass [Member]
Loans originated in current year	847,550		847,550		1,228,391
Loans originated year prior	1,147,491		1,147,491		964,799
Loans originated three years prior	920,385		920,385		580,990
Loans originated four years prior	538,989		538,989		600,786
Loans originated five years prior	557,098		557,098		417,565
Total, Loans Amortized Cost Basis by Origination Year Prior	1,652,948		1,652,948		1,444,320
Total, Revolving Loans	0		0		0
Total, Revolving Converted to Term Loans	0		0		0
Total loans	5,664,461		5,664,461		5,236,851
Total loans	5,664,461		5,664,461		5,236,851
Residential Portfolio Segment [Member] | Special Mention [Member]
Loans originated in current year	0		0		0
Loans originated year prior	0		0		0
Loans originated three years prior	0		0		33
Loans originated four years prior	33		33		0
Loans originated five years prior	0		0		752
Total, Loans Amortized Cost Basis by Origination Year Prior	1,632		1,632		905
Total, Revolving Loans	0		0		0
Total, Revolving Converted to Term Loans	0		0		0
Total loans	1,665		1,665		1,690
Total loans	1,665		1,665		1,690
Residential Portfolio Segment [Member] | Substandard [Member]
Loans originated in current year	0		0		206
Loans originated year prior	951		951		762
Loans originated three years prior	433		433		2,028
Loans originated four years prior	3,446		3,446		1,966
Loans originated five years prior	2,555		2,555		1,799
Total, Loans Amortized Cost Basis by Origination Year Prior	13,150		13,150		8,785
Total, Revolving Loans	0		0		0
Total, Revolving Converted to Term Loans	0		0		0
Total loans	20,535		20,535		15,546
Total loans	20,535		20,535		15,546
Equity Lines Portfolio Segment [Member]
Loans originated in current year	0		0		748
Loans originated year prior	108		108		0
Loans originated three years prior	0		0		0
Loans originated four years prior	0		0		0
Loans originated five years prior	0		0		0
Total, Loans Amortized Cost Basis by Origination Year Prior	0		0		0
Total, Revolving Loans	237,254		237,254		303,868
Total, Revolving Converted to Term Loans	17,497		17,497		21,680
Total loans	254,859		254,859		326,296
Loans originated in current year, write offs			0		0
Loans originated year prior, write offs			0		0
Loans originated three years prior, write offs			0		0
Loans originated four years prior, write offs			0		0
Loans originated five years prior, write offs			0		0
Total, Loans Amortized Cost Basis by Origination Year Prior, Write Offs			0		0
Total, Revolving Loans Write Offs			0		0
Total, Revolving Converted to Term Loans, Write Offs			0		0
YTD gross write-offs			0		0
Total loans	254,859		254,859		326,296
Equity Lines Portfolio Segment [Member] | Pass [Member]
Loans originated in current year	0		0		731
Loans originated year prior	108		108		0
Loans originated three years prior	0		0		0
Loans originated four years prior	0		0		0
Loans originated five years prior	0		0		0
Total, Loans Amortized Cost Basis by Origination Year Prior	0		0		0
Total, Revolving Loans	233,892		233,892		302,825
Total, Revolving Converted to Term Loans	17,322		17,322		21,460
Total loans	251,322		251,322		325,016
Total loans	251,322		251,322		325,016
Equity Lines Portfolio Segment [Member] | Special Mention [Member]
Loans originated in current year	0		0		5
Loans originated year prior	0		0		0
Loans originated three years prior	0		0		0
Loans originated four years prior	0		0		0
Loans originated five years prior	0		0		0
Total, Loans Amortized Cost Basis by Origination Year Prior	0		0		0
Total, Revolving Loans	0		0		0
Total, Revolving Converted to Term Loans	0		0		0
Total loans	0		0		5
Total loans	0		0		5
Equity Lines Portfolio Segment [Member] | Substandard [Member]
Loans originated in current year	0		0		12
Loans originated year prior	0		0		0
Loans originated three years prior	0		0		0
Loans originated four years prior	0		0		0
Loans originated five years prior	0		0		0
Total, Loans Amortized Cost Basis by Origination Year Prior	0		0		0
Total, Revolving Loans	3,362		3,362		1,043
Total, Revolving Converted to Term Loans	175		175		220
Total loans	3,537		3,537		1,275
Total loans	3,537		3,537		1,275
Installment and Other Loans [Member ]
Loans originated in current year	4,591		4,591		1,792
Loans originated year prior	2,741		2,741		2,152
Loans originated three years prior	5		5		0
Loans originated four years prior	0		0		0
Loans originated five years prior	0		0		0
Total, Loans Amortized Cost Basis by Origination Year Prior	0		0		0
Total, Revolving Loans	0		0		0
Total, Revolving Converted to Term Loans	0		0		0
Total loans	7,337		7,337		3,944
Loans originated in current year, write offs			0		115
Loans originated year prior, write offs			15		0
Loans originated three years prior, write offs			0		0
Loans originated four years prior, write offs			0		0
Loans originated five years prior, write offs			0		0
Total, Loans Amortized Cost Basis by Origination Year Prior, Write Offs			0		0
Total, Revolving Loans Write Offs			0		62
Total, Revolving Converted to Term Loans, Write Offs			0		0
YTD gross write-offs	8	$ 79	15	$ 80	177
Total loans	7,337		7,337		3,944
Installment and Other Loans [Member ] | Pass [Member]
Loans originated in current year	4,591		4,591		1,792
Loans originated year prior	2,735		2,735		2,152
Loans originated three years prior	5		5		0
Loans originated four years prior	0		0		0
Loans originated five years prior	0		0		0
Total, Loans Amortized Cost Basis by Origination Year Prior	0		0		0
Total, Revolving Loans	0		0		0
Total, Revolving Converted to Term Loans	0		0		0
Total loans	7,331		7,331		3,944
Total loans	7,331		7,331		$ 3,944
Installment and Other Loans [Member ] | Special Mention [Member]
Loans originated in current year	0		0
Loans originated year prior	6		6
Loans originated three years prior	0		0
Loans originated four years prior	0		0
Loans originated five years prior	0		0
Total, Loans Amortized Cost Basis by Origination Year Prior	0		0
Total, Revolving Loans	0		0
Total, Revolving Converted to Term Loans	0		0
Total loans	6		6
Total loans	6		6
Installment and Other Loans [Member ] | Substandard [Member]
Loans originated in current year	0		0
Loans originated year prior	0		0
Loans originated three years prior	0		0
Loans originated four years prior	0		0
Loans originated five years prior	0		0
Total, Loans Amortized Cost Basis by Origination Year Prior	0		0
Total, Revolving Loans	0		0
Total, Revolving Converted to Term Loans	0		0
Total loans	0		0
Total loans	$ 0		$ 0

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Note 9 - Loans - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Balance	$ 155,109	$ 148,772	$ 146,485	$ 136,157	$ 136,157
(Reversal)/provision for expected credit losses	6,121	602	21,581	12,709
Charge-offs	(7,483)	(2,228)	(17,873)	(2,500)	(5,490)
Recoveries	872	1,671	4,426	2,451
Net (charge-offs)/recoveries	(6,611)	(557)	(13,447)	(49)
Balance	154,619	148,817	154,619	148,817	146,485
Commitments to Extend Credit [Member]
Balance	10,525	6,136	8,730	7,100	7,100
(Reversal)/provision for expected credit losses	879	1,398	2,674	434
Balance	11,404	7,534	11,404	7,534	8,730
Commercial Portfolio Segment [Member]
Balance	50,579	49,069	49,435	43,394	43,394
(Reversal)/provision for expected credit losses	(178)	1,845	6,276	7,258
Charge-offs	(6,254)	(2,091)	(12,517)	(2,362)	(3,222)
Recoveries	611	1,576	1,564	2,109
Net (charge-offs)/recoveries	(5,643)	(515)	(10,953)	(253)
Balance	44,758	50,399	44,758	50,399	49,435
Commercial Portfolio Segment [Member] | Commitments to Extend Credit [Member]
Balance	6,984	2,804	4,840	3,725	3,725
(Reversal)/provision for expected credit losses	1,570	1,576	3,714	655
Balance	8,554	4,380	8,554	4,380	4,840
Real Estate Construction Portfolio Segment [Member]
Balance	12,751	7,276	10,417	6,302	6,302
(Reversal)/provision for expected credit losses	2,360	(1,065)	4,694	(97)
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	6
Net (charge-offs)/recoveries	0	0	0	6
Balance	15,111	6,211	15,111	6,211	10,417
Real Estate Construction Portfolio Segment [Member] | Commitments to Extend Credit [Member]
Balance	3,541	3,306	3,890	3,375	3,375
(Reversal)/provision for expected credit losses	(691)	(152)	(1,040)	(221)
Balance	2,850	3,154	2,850	3,154	3,890
Commercial Real Estate Portfolio Segment [Member]
Balance	73,547	68,600	68,366	61,081	61,081
(Reversal)/provision for expected credit losses	3,307	1,362	10,027	8,699
Charge-offs	(1,221)	0	(5,341)	0	(2,091)
Recoveries	252	88	2,833	270
Net (charge-offs)/recoveries	(969)	88	(2,508)	270
Balance	75,885	70,050	75,885	70,050	68,366
Commercial Real Estate Portfolio Segment [Member] | Commitments to Extend Credit [Member]
Balance	0	26	0	0	0
(Reversal)/provision for expected credit losses	0	(26)	0	0
Balance	0	0	0	0	0
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Balance	18,214	23,692	18,232	25,379	25,379
(Reversal)/provision for expected credit losses	586	(1,612)	548	(3,357)
Charge-offs	0	(58)	0	(58)
Recoveries	9	7	29	65
Net (charge-offs)/recoveries	9	(51)	29	7
Balance	18,809	22,029	18,809	22,029	18,232
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Commitments to Extend Credit [Member]
Balance	0	0	0	0	0
(Reversal)/provision for expected credit losses	0	0	0	0
Balance	0	0	0	0	0
Installment and Other Loans [Member ]
Balance	18	135	35	1	1
(Reversal)/provision for expected credit losses	46	72	36	206
Charge-offs	(8)	(79)	(15)	(80)	(177)
Recoveries	0	0	0	1
Net (charge-offs)/recoveries	(8)	(79)	(15)	(79)
Balance	56	128	56	128	35
Installment and Other Loans [Member ] | Commitments to Extend Credit [Member]
Balance	0	0	0	0	0
(Reversal)/provision for expected credit losses	0	0	0	0
Balance	$ 0	$ 0	$ 0	$ 0	$ 0

XML

Note 10 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Qualified Affordable Housing and Alternative Energy Partnerships [Member]
Other Commitment	$ 144.7	$ 133.5

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Note 11 - Borrowed Funds (Details Textual) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Advance from Federal Home Loan Bank	$ 15,000	$ 485,000
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds	7,300,000
Debt Securities, Available-for-Sale	1,508,798	1,473,348
Junior Subordinated Notes, Noncurrent	$ 119,100	$ 119,100
Junior Subordinated Debt [Member]
Debt Instrument, Interest Rate, Effective Percentage	7.41%	4.01%
Debt Instrument, Term (Year)	30 years
Federal Home Loan Bank Securities [Member] | Asset Not Pledged as Collateral [Member]
Debt Securities, Available-for-Sale	$ 1,380,000
Mature in September 2024 [Member]
Advance from Federal Home Loan Bank	15,000
Over-night Borrowings [Member]
Advance from Federal Home Loan Bank	0	$ 150,000
Non Overnight Borrowings [Member]
Advance from Federal Home Loan Bank	$ 15,000	$ 335,000
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate	5.54%	4.54%

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Note 12 - Income Taxes (Details Textual)	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Effective Income Tax Rate Reconciliation, Percent	12.60%	22.90%
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Open Tax Year	2019 2020 2021 2022
State and Local Jurisdiction [Member] | California Franchise Tax Board [Member]
Open Tax Year	2018 2019 2020 2021 2022

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Note 13 - Fair Value Measurements and Fair Value of Financial Instruments (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)	Sep. 30, 2023 USD ($)
Other Real Estate, Foreclosed Assets, and Repossessed Assets	$ 4,067	$ 14,407
Minimum [Member]
Estimated Sales Cost Applied To Collateral		3.00%
Minimum [Member] | Measurement Input, Risk Free Interest Rate [Member]
Warrants and Rights Outstanding, Measurement Input	0.0425
Minimum [Member] | Measurement Input, Price Volatility [Member]
Warrants and Rights Outstanding, Measurement Input	0.2014
Minimum [Member] | Warrants Outstanding [Member]
Expected Life Of Warrants (Year)	1 year
Maximum [Member]
Estimated Sales Cost Applied To Collateral		6.00%
Maximum [Member] | Measurement Input, Risk Free Interest Rate [Member]
Warrants and Rights Outstanding, Measurement Input	0.0511
Maximum [Member] | Measurement Input, Price Volatility [Member]
Warrants and Rights Outstanding, Measurement Input	0.2769
Maximum [Member] | Warrants Outstanding [Member]
Expected Life Of Warrants (Year)	6 years
Net of Estimated Disposal Costs [Member]
Other Real Estate, Foreclosed Assets, and Repossessed Assets	$ 4,100	$ 14,400

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Note 13 - Fair Value Measurements and Fair Value of Financial Instruments - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Securities available-for-sale	$ 1,508,798	$ 1,473,348
Equity securities	31,456	22,158
Assets, fair value disclosure	1,624,588	1,540,447
Liabilities, fair value disclosure	56,997	52,806
Mutual Funds [Member]
Equity securities	5,337	5,509
Preferred Stock of Government Sponsored Entities [Member]
Equity securities	1,378	1,289
Other Equity Securities [Member]
Equity securities	24,741	15,360
Warrant [Member]
Assets, fair value disclosure	42	50
Interest Rate Swap [Member]
Assets, fair value disclosure	83,434	44,443
Liabilities, fair value disclosure	56,058	51,864
Foreign Exchange Contract [Member]
Assets, fair value disclosure	858	448
Liabilities, fair value disclosure	939	942
Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	392,842	240,500
Equity securities	31,456	22,158
Assets, fair value disclosure	424,298	262,658
Liabilities, fair value disclosure	0	0
Fair Value, Inputs, Level 1 [Member] | Mutual Funds [Member]
Equity securities	5,337	5,509
Fair Value, Inputs, Level 1 [Member] | Preferred Stock of Government Sponsored Entities [Member]
Equity securities	1,378	1,289
Fair Value, Inputs, Level 1 [Member] | Other Equity Securities [Member]
Equity securities	24,741	15,360
Fair Value, Inputs, Level 1 [Member] | Warrant [Member]
Assets, fair value disclosure	0	0
Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap [Member]
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Fair Value, Inputs, Level 1 [Member] | Foreign Exchange Contract [Member]
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	1,115,956	1,232,848
Equity securities	0	0
Assets, fair value disclosure	1,200,248	1,277,739
Liabilities, fair value disclosure	56,997	52,806
Fair Value, Inputs, Level 2 [Member] | Mutual Funds [Member]
Equity securities	0	0
Fair Value, Inputs, Level 2 [Member] | Preferred Stock of Government Sponsored Entities [Member]
Equity securities	0	0
Fair Value, Inputs, Level 2 [Member] | Other Equity Securities [Member]
Equity securities	0	0
Fair Value, Inputs, Level 2 [Member] | Warrant [Member]
Assets, fair value disclosure	0	0
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member]
Assets, fair value disclosure	83,434	44,443
Liabilities, fair value disclosure	56,058	51,864
Fair Value, Inputs, Level 2 [Member] | Foreign Exchange Contract [Member]
Assets, fair value disclosure	858	448
Liabilities, fair value disclosure	939	942
Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Equity securities	0	0
Assets, fair value disclosure	42	50
Liabilities, fair value disclosure	0	0
Fair Value, Inputs, Level 3 [Member] | Mutual Funds [Member]
Equity securities	0	0
Fair Value, Inputs, Level 3 [Member] | Preferred Stock of Government Sponsored Entities [Member]
Equity securities	0	0
Fair Value, Inputs, Level 3 [Member] | Other Equity Securities [Member]
Equity securities	0	0
Fair Value, Inputs, Level 3 [Member] | Warrant [Member]
Assets, fair value disclosure	42	50
Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap [Member]
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Fair Value, Inputs, Level 3 [Member] | Foreign Exchange Contract [Member]
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
US Treasury Securities [Member]
Securities available-for-sale	392,842	240,500
US Treasury Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	392,842	240,500
US Treasury Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	0	0
US Treasury Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
US Government Corporations and Agencies Securities [Member]
Securities available-for-sale	51,001	63,610
US Government Corporations and Agencies Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0	0
US Government Corporations and Agencies Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	51,001	63,610
US Government Corporations and Agencies Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
US Government-sponsored Enterprises Debt Securities [Member]
Securities available-for-sale	33,620	30,000
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0	0
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	33,620	30,000
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Commercial Mortgage-Backed Securities [Member]
Securities available-for-sale	761,803	867,094
Commercial Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0	0
Commercial Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	761,803	867,094
Commercial Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Collateralized Mortgage Obligations [Member]
Securities available-for-sale	27,698	31,061
Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0	0
Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	27,698	31,061
Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Corporate Debt Securities [Member]
Securities available-for-sale	231,872	241,083
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0	0
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	231,872	241,083
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	$ 0
Debt Security, Corporate, Non-US [Member]
Securities available-for-sale	9,962
Debt Security, Corporate, Non-US [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0
Debt Security, Corporate, Non-US [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	9,962
Debt Security, Corporate, Non-US [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	$ 0

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Note 13 - Fair Value Measurements and Fair Value of Financial Instruments - Financial Assets and Liabilities Measured on a Non-recurring Basis (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Assets, fair value disclosure		$ 1,624,588		$ 1,624,588		$ 1,540,447
Total Losses		252	$ 1,786	4,069	$ 1,786	4,145	$ 1,172
Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		27,860		27,860		59,158
Fair Value, Inputs, Level 1 [Member]
Assets, fair value disclosure		424,298		424,298		262,658
Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		0		0		0
Fair Value, Inputs, Level 2 [Member]
Assets, fair value disclosure		1,200,248		1,200,248		1,277,739
Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		0		0		0
Fair Value, Inputs, Level 3 [Member]
Assets, fair value disclosure		42		42		50
Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		27,860		27,860		59,158
Impaired Loans [Member]
Total Losses		252	1,786	4,069	1,786	3,877	1,012
Impaired Loans [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		12,085		12,085		54,141
Impaired Loans [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		0		0		0
Impaired Loans [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		0		0		0
Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		12,085		12,085		54,141
Impaired Loans [Member] | Commercial Portfolio Segment [Member]
Total Losses		0	1,786	0	1,786	1,786	1,012
Impaired Loans [Member] | Commercial Portfolio Segment [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		0		0		12,950
Impaired Loans [Member] | Commercial Portfolio Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		0		0		0
Impaired Loans [Member] | Commercial Portfolio Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		0		0		0
Impaired Loans [Member] | Commercial Portfolio Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		0		0		12,950
Impaired Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Total Losses		252	0	4,069	0	2,091	0
Impaired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		7,051		7,051		32,205
Impaired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		0		0		0
Impaired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		0		0		0
Impaired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		7,051		7,051		32,205
Impaired Loans [Member] | Residential Mortgage and Equity Lines Portfolio Segment [Member]
Assets, fair value disclosure						8,978
Total Losses						0	0
Impaired Loans [Member] | Residential Mortgage and Equity Lines Portfolio Segment [Member] | Fair Value, Inputs, Level 1 [Member]
Assets, fair value disclosure						0
Impaired Loans [Member] | Residential Mortgage and Equity Lines Portfolio Segment [Member] | Fair Value, Inputs, Level 2 [Member]
Assets, fair value disclosure						0
Impaired Loans [Member] | Residential Mortgage and Equity Lines Portfolio Segment [Member] | Fair Value, Inputs, Level 3 [Member]
Assets, fair value disclosure						8,978
Impaired Loans [Member] | Installment and Other Loans [Member ]
Assets, fair value disclosure						8
Total Losses						0	0
Impaired Loans [Member] | Installment and Other Loans [Member ] | Fair Value, Inputs, Level 1 [Member]
Assets, fair value disclosure						0
Impaired Loans [Member] | Installment and Other Loans [Member ] | Fair Value, Inputs, Level 2 [Member]
Assets, fair value disclosure						0
Impaired Loans [Member] | Installment and Other Loans [Member ] | Fair Value, Inputs, Level 3 [Member]
Assets, fair value disclosure						8
Impaired Loans [Member] | Real Estate Construction Portfolio Segment [Member]
Total Losses		0	0	0	0
Impaired Loans [Member] | Real Estate Construction Portfolio Segment [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		5,034		5,034
Impaired Loans [Member] | Real Estate Construction Portfolio Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		0		0
Impaired Loans [Member] | Real Estate Construction Portfolio Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		0		0
Impaired Loans [Member] | Real Estate Construction Portfolio Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		5,034		5,034
Other Real Estate Owned [Member]
Total Losses	[1]	0	0	0	0	0	17
Other Real Estate Owned [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	[1]	15,328		15,328		4,328
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	[1]	0		0		0
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	[1]	0		0		0
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	[1]	15,328		15,328		4,328
Investments in Venture Capital [Member]
Total Losses		0	$ 0	0	$ 0	268	$ 143
Investments in Venture Capital [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		447		447		689
Investments in Venture Capital [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		0		0		0
Investments in Venture Capital [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		0		0		0
Investments in Venture Capital [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		$ 447		$ 447		$ 689

[1] Other real estate owned balance of $14.4 million in the Consolidated Balance Sheets is net of estimated disposal costs.

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Note 13 - Fair Value Measurements and Fair Value of Financial Instruments - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands		Sep. 30, 2023	Dec. 31, 2022
Securities available-for-sale		$ 1,508,798	$ 1,473,348
Equity securities		31,456	22,158
Warrants		83,434	90,451
Foreign exchange contracts with gain		220,784	72,996
Foreign exchange contracts with gain, fair value		858	448
Interest rate swaps		1,502,403	817,615
Interest rate swaps, fair value		83,434	44,443
Foreign exchange contracts with loss		64,971	170,213
Foreign exchange contracts with loss, fair value		939	942
Interest rate swaps		642,054	595,426
Interest rate swaps, fair value		56,058	51,864
Commitments to extend credit		3,989,855	3,630,304
Commitments to extend credit, fair value		(15,038)	(14,797)
Standby letters of credit		329,789	315,821
Standby letters of credit, fair value		(2,308)	(2,738)
Other letters of credit		10,214	29,416
Other letters of credit, fair value		(10)	(33)
Reported Value Measurement [Member]
Cash and due from banks		145,580	195,440
Short-term investments		1,017,354	966,962
Securities available-for-sale		1,508,798	1,473,348
Loans, net		18,859,682	18,100,898
Equity securities		31,456	22,158
Investment in Federal Home Loan Bank stock		17,250	17,250
Deposits		19,635,588	18,505,279
Advances from Federal Home Loan Bank		15,000	485,000
Other borrowings		22,374	22,600
Long-term debt		119,136	119,136
Reported Value Measurement [Member] | Warrants [Member]
Warrants		42	50
Estimate of Fair Value Measurement [Member]
Cash and due from banks		145,580	195,440
Short-term investments		1,017,354	966,962
Securities available-for-sale		1,508,798	1,473,348
Loans, net	[1]	18,838,004	17,944,588
Equity securities		31,456	22,158
Investment in Federal Home Loan Bank stock		17,250	17,250
Deposits		19,746,224	18,572,387
Advances from Federal Home Loan Bank		14,186	482,737
Other borrowings		18,282	18,385
Long-term debt		68,536	68,231
Estimate of Fair Value Measurement [Member] | Warrants [Member]
Warrants		$ 42	$ 50

[1] In accordance with the prospective adoption of ASU 2016-01, the fair value of loans as of December 31, 2019 & 2018 was measured using an exit price notion.

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Note 13 - Fair Value Measurements and Fair Value of Financial Instruments - Fair Value Hierarchy of Financial Instruments (Details) - USD ($) $ in Thousands		Sep. 30, 2023	Dec. 31, 2022
Warrants		$ 83,434	$ 90,451
Estimate of Fair Value Measurement [Member]
Cash and due from banks		145,580	195,440
Short-term investments		1,017,354	966,962
Loans, net	[1]	18,838,004	17,944,588
Investment in Federal Home Loan Bank stock		17,250	17,250
Deposits		19,746,224	18,572,387
Advances from Federal Home Loan Bank		14,186	482,737
Other borrowings		18,282	18,385
Long-term debt		68,536	68,231
Estimate of Fair Value Measurement [Member] | Warrants [Member]
Warrants		42	50
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and due from banks		145,580	195,440
Short-term investments		1,017,354	966,962
Loans, net	[1]	0	0
Investment in Federal Home Loan Bank stock		0	0
Deposits		0	0
Advances from Federal Home Loan Bank		0	0
Other borrowings		0	0
Long-term debt		0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Warrants [Member]
Warrants			0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Cash and due from banks		0	0
Short-term investments		0	0
Loans, net	[1]	0	0
Investment in Federal Home Loan Bank stock		17,250	17,250
Deposits		0	0
Advances from Federal Home Loan Bank		14,186	482,737
Other borrowings		0	0
Long-term debt		68,536	68,231
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Warrants [Member]
Warrants			0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Cash and due from banks		0	0
Short-term investments		0	0
Loans, net	[1]	18,838,004	17,944,588
Investment in Federal Home Loan Bank stock		0	0
Deposits		19,746,224	18,572,387
Advances from Federal Home Loan Bank		0	0
Other borrowings		18,282	18,385
Long-term debt		$ 0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Warrants [Member]
Warrants			$ 50

[1] In accordance with the prospective adoption of ASU 2016-01, the fair value of loans as of December 31, 2019 & 2018 was measured using an exit price notion.

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Note 14 - Goodwill and Other Intangible Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Feb. 07, 2022
Goodwill, Ending Balance	$ 375,696			$ 375,696		$ 375,696
Amortization of Intangible Assets	250	$ 250		1,059	$ 724
Core Deposits [Member]
Impairment of Intangible Assets, Finite-Lived				1,227		918
Amortization of Intangible Assets			$ 250
Core Deposits [Member] | Amortization of Core Deposit Intangibles [Member]
Impairment of Intangible Assets, Finite-Lived	$ 0	$ 0		$ 309		918
HSBC Bank USA West Coast Mass Market Consumer and Retail Banking Business [Member]
Goodwill, Ending Balance							$ 3,507
HSBC Bank USA West Coast Mass Market Consumer and Retail Banking Business [Member] | Core Deposits [Member]
Finite-Lived Intangible Assets Acquired						$ 3,100

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Note 14 - Goodwill and Other Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Net carrying balance	$ 4,294
Core Deposits [Member]
Gross balance	10,562	$ 10,562
Accumulated amortization	(5,041)	(4,291)
Impairment	(1,227)	(918)
Net carrying balance	$ 4,294	$ 5,353

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Note 14 - Goodwill and Other Intangible Assets - Maturity Schedule of Intangible Assets (Details) $ in Thousands	Sep. 30, 2023 USD ($)
2023	$ 250
2024	1,001
2025	946
2026	870
2027	870
Thereafter	357
Total	$ 4,294

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Note 15 - Financial Derivatives (Details Textual) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended		12 Months Ended
	May 31, 2014	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Junior Subordinated Notes, Total	$ 119,100
Loans Receivable with Partial-term Hedging Designation [Member]
Derivative, Notional Amount			$ 21,100
Hedged Asset, Fair Value Hedge			768,100
Loan, Notational Amount			1,300,000
Hedged Asset, Fair Value Hedge, Portfolio Layer Method, Hedged Layer, Fair Value, Cumulative Increase (Decrease)			19,900
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative Outstanding, Notional Amount	$ 119,100		642,100		$ 595,400
Derivative, Notional Amount			56,000		50,000
Derivative Original Maturity (Year)	10 years
Deferred Gain on Early Termination of Derivative					4,000
Derivative, Gain on Derivative		$ 138		$ 1,300
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Central Counterparties (CCP) [Member]
Derivative, Notional Amount					$ 205,600
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative, Notional Amount		$ 874,034	$ 857,341	$ 874,034
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member] | Minimum [Member]
Derivative, Term of Contract (Year)			3 years
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member] | Maximum [Member]
Derivative, Term of Contract (Year)			10 years
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member] | Central Counterparties (CCP) [Member]
Derivative, Notional Amount			$ 547,500
Derivative, Gain on Derivative			13,900
Interest Rate Contract [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative Outstanding, Notional Amount			89,300
Derivative, Notional Amount			$ 6,300

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Note 15 - Financial Derivatives - Cash Flow Swap Hedges (Details) - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Net change in unrealized holding (loss)/gain on cash flow hedge derivatives				$ (1,323,000)	$ 5,803,000
Fair Value Hedging [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Notional		$ 857,341,000	$ 874,034,000	$ 857,341,000	$ 874,034,000
Weighted average fixed rate-pay		1.80%	2.12%	1.80%	2.12%
Weighted average variable rate spread		0.27%	0.68%	0.27%	0.68%
Weighted average variable rate-receive		5.33%	2.61%	5.33%	2.61%
Net change in unrealized holding (loss)/gain on cash flow hedge derivatives				$ 27,378	$ 38,589
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Notional		$ 56,000,000		56,000,000		$ 50,000,000
Periodic net settlement of swaps	[1]	$ 7,659,000	$ 1,461,000	$ 21,065,000	$ (1,628,000)

[1] the amount of periodic net settlement of interest rate swaps was included in interest expense.

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Note 15 - Financial Derivatives - Not Designated as Hedging (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Spot, Forward, and Swap Contracts with Negative Fair Value [Member]
Notional	$ 862,838	$ 72,996
Forward, and swap contracts with positive fair value	56,858	448
Spot, Forward, and Swap Contracts with Positive Fair Value [Member]
Notional	707,025	170,213
Forward, and swap contracts with positive fair value	$ (56,939)	$ (942)

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Note 16 - Balance Sheet Offsetting - Financial Instruments That Are Eligible for Offset in the Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Derivative assets, gross	$ 83,434		$ 90,451
Derivatives, Gross Amounts Offset in the Balance Sheet	9,820		46,008
Derivative assets, net	73,614		44,443
Derivatives, collateral posted		$ 70,745	42,930
Derivative assets not offset	2,869		1,513
Derivative liabilities, gross	56,058		51,864
Derivatives, Gross Amounts Offset in the Balance Sheet	0		0
Derivative liabilities, net	56,058		51,864
Derivatives, collateral posted		$ 0	0
Derivative liabilities not offset	$ 56,058		$ 51,864

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Note 17 - Revenue From Contracts With Clients - Summary of Revenue (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues		$ 11,792	$ 11,033	$ 32,318	$ 32,373
Noninterest income, not in-scope(2)	[1],[2]	(3,955)	(1,157)	12,873	12,353
Total noninterest income		7,837	9,876	45,191	44,726
Fees and Services Charges on Deposit Account [Member]
Revenues		2,218	2,398	7,073	7,156
Wealth Management Fees [Member]
Revenues		5,150	4,184	12,686	12,494
Other Service Fees [Member]
Revenues	[1]	$ 4,424	$ 4,451	$ 12,559	$ 12,723

[1] Other service fees comprise of fees related to letters of credit, wire fees, fees on foreign exchange transactions and other immaterial individual revenue streams.

[2] These amounts primarily represent revenue from contracts with customers that are out of the scope of ASC Topic 606.

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Note 18 - Stockholders' Equity (Details Textual) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended		21 Months Ended
	Feb. 21, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
Equity, Attributable to Parent		$ 2,638,736	$ 2,419,559	$ 2,638,736	$ 2,419,559	$ 2,638,736	$ 2,602,671	$ 2,474,040	$ 2,431,532	$ 2,446,251
Stockholders' Equity, Period Increase (Decrease)				164,700
Net Income (Loss) Attributable to Parent		82,371	99,035	271,598	263,041
Share-Based Payment Arrangement, Noncash Expense				4,900
Proceeds from Issuance of Common Stock, Dividend Reinvestment Plan				2,700	2,793
Stock Issued During Period, Value, Issued for Services				850	849
Dividends, Common Stock, Cash		24,672	25,059	73,938	76,111
Other Comprehensive Income (Loss), Net of Tax		(24,484)	(41,546)	(21,238)	(109,809)
Treasury Stock, Value, Acquired, Cost Method	$ 16,600	9	46,290	16,683	109,774	16,700
Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation		$ 11	$ 849	$ 3,538	$ 2,864	$ 3,500

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Note 18 - Stockholders' Equity - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Beginning balance, loss, net of tax	$ 2,602,671	$ 2,431,532	$ 2,474,040	$ 2,446,251
Total other comprehensive (loss)/income, net of tax	(24,484)	(41,546)	(21,238)	(109,809)
Ending balance, loss, net of tax	2,638,736	2,419,559	2,638,736	2,419,559
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Beginning balance, loss, net of tax	(100,704)	(72,210)	(104,832)	211
Net unrealized (losses)/gains arising during the period, pre-tax	(34,133)	(61,316)	(28,272)	(164,128)
Net unrealized (losses)/gains arising during the period, tax	(10,090)	(18,125)	(8,357)	(48,516)
Net unrealized (losses)/gains arising during the period, net of tax	(24,043)	(43,191)	(19,915)	(115,612)
Reclassification adjustment for net losses/(gains) included in net income, pre-tax	34,133	61,316	28,272	164,128
Reclassification adjustment for net losses/(gains) included in net income, tax	10,090	18,125	8,357	48,516
Reclassification adjustment for net losses/(gains) included in net income, net of tax	24,043	43,191	19,915	115,612
Total other comprehensive (loss)/income, pre-tax
Total other comprehensive (loss)/income, tax
Total other comprehensive (loss)/income, net of tax	(124,747)	(115,401)	(124,747)	(115,401)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Beginning balance, loss, net of tax	1,655	882	2,537	(3,276)
Net unrealized (losses)/gains arising during the period, pre-tax	(626)	2,677	(1,878)	11,060
Net unrealized (losses)/gains arising during the period, tax	(185)	791	(555)	3,269
Net unrealized (losses)/gains arising during the period, net of tax	(441)	1,886	(1,323)	7,791
Reclassification adjustment for net losses/(gains) included in net income, pre-tax	0	342	0	2,822
Reclassification adjustment for net losses/(gains) included in net income, tax	0	101	0	834
Reclassification adjustment for net losses/(gains) included in net income, net of tax	0	241	0	1,988
Total other comprehensive (loss)/income, pre-tax	(626)	2,335	(1,878)	8,238
Total other comprehensive (loss)/income, tax	(185)	690	(555)	2,435
Total other comprehensive (loss)/income, net of tax	(441)	1,645	(1,323)	5,803
Ending balance, loss, net of tax	1,214	2,527	1,214	2,527
AOCI Attributable to Parent [Member]
Beginning balance, loss, net of tax	(99,049)	(71,328)	(102,295)	(3,065)
Net unrealized (losses)/gains arising during the period, pre-tax	(34,759)	(58,639)	(30,150)	(153,068)
Net unrealized (losses)/gains arising during the period, tax	(10,275)	(17,334)	(8,912)	(45,247)
Net unrealized (losses)/gains arising during the period, net of tax	(24,484)	(41,305)	(21,238)	(107,821)
Reclassification adjustment for net losses/(gains) included in net income, pre-tax	0	342	0	2,822
Reclassification adjustment for net losses/(gains) included in net income, tax	0	101	0	834
Reclassification adjustment for net losses/(gains) included in net income, net of tax	0	241	0	1,988
Total other comprehensive (loss)/income, pre-tax	(34,759)	(58,981)	(30,150)	(155,890)
Total other comprehensive (loss)/income, tax	(10,275)	(17,435)	(8,912)	(46,081)
Total other comprehensive (loss)/income, net of tax	(24,484)	(41,546)	(21,238)	(109,809)
Ending balance, loss, net of tax	$ (123,533)	$ (112,874)	$ (123,533)	$ (112,874)

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Note 19 - Stock Repurchase Program (Details Textual) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended		21 Months Ended
	Feb. 21, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023
Treasury Stock, Shares, Acquired (in shares)	375,090
Shares Acquired, Average Cost Per Share (in dollars per share)	$ 44.2
Treasury Stock, Value, Acquired, Cost Method	$ 16,600	$ 9	$ 46,290	$ 16,683	$ 109,774	$ 16,700