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 March 31, 2021   

 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 or a smaller reporting company. See definition of “large accelerated filer,” “accelerated filer,” and “smaller reporting 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, 79,669,529 shares outstanding as of April 30, 2021.

CATHAY GENERAL BANCORP AND SUBSIDIARIES

1^ST QUARTER 2021 REPORT ON FORM 10-Q

TABLE OF CONTENTS

PART I – FINANCIAL INFORMATION		3
Item 1.	FINANCIAL STATEMENTS (Unaudited)	3
	NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)	7
Item 2.	MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND  RESULTS OF OPERATIONS.	47
Item 3.	QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	76
Item 4.	CONTROLS AND PROCEDURES.	77
PART II  – OTHER INFORMATION		77
Item 1.	LEGAL PROCEEDINGS.	77
Item 1A.	RISK FACTORS.	78
Item 2.	UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS.	80
Item 3.	DEFAULTS UPON SENIOR SECURITIES.	81
Item 4.	MINE SAFETY DISCLOSURES.	81
Item 5.	OTHER INFORMATION.	81
Item 6.	EXHIBITS.	81
SIGNATURES		82

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 customers and our operations, assets and liabilities;

● the impact on our business, operations, financial condition, liquidity, results of operations, prospects and trading prices of our shares arising out of the COVID-19 pandemic;

● 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, including the implementation of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the “Dodd-Frank Act”);

● 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;

1

● 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, such as the COVID-19 pandemic) and geopolitical events;

● 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 successfully raising additional capital, if needed, and the resulting dilution of interests of holders of our 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, 2020 (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

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited)

	March 31, 2021			December 31, 2020
	(In thousands, except share and per share data)
Assets
Cash and due from banks	$	141,885		$	138,616
Short-term investments and interest-bearing deposits		1,612,411			1,282,462
Securities available-for-sale (amortized cost of $898,463 at March 31, 2021 and $1,019,230 at December 31, 2020)		908,844			1,036,550
Loans		15,651,848			15,644,396
Less: Allowance for loan losses		(147,264	)		(166,538	)
Unamortized deferred loan fees, net		(6,872	)		(2,494	)
Loans, net		15,497,712			15,475,364
Equity securities		20,993			23,744
Federal Home Loan Bank stock		17,250			17,250
Other real estate owned, net		4,918			4,918
Affordable housing investments and alternative energy partnerships, net		296,229			309,016
Premises and equipment, net		101,864			102,998
Customers’ liability on acceptances		4,125			13,753
Accrued interest receivable		58,216			59,032
Goodwill		372,189			372,189
Other intangible assets, net		5,249			5,434
Right-of-use assets - operating leases		32,927			30,919
Other assets		155,377			170,889
Total assets	$	19,230,189		$	19,043,134
Liabilities
Deposits:
Non-interest-bearing demand deposits	$	3,495,775		$	3,365,086
Interest-bearing deposits:
NOW deposits		1,915,822			1,926,135
Money market deposits		3,808,794			3,359,191
Savings deposits		911,210			785,672
Time deposits		6,222,032			6,673,317
Total deposits		16,353,633			16,109,401
Advances from the Federal Home Loan Bank		75,000			150,000
Other borrowings of affordable housing investments		23,333			23,714
Long-term debt		119,136			119,136
Acceptances outstanding		4,125			13,753
Lease liabilities - operating leases		35,803			33,484
Other liabilities		155,870			175,502
Total liabilities		16,766,900			16,624,990
Commitments and contingencies		—			—
Stockholders’ Equity
Common stock, $0.01 par value, 100,000,000 shares authorized; 90,729,966 issued and 79,595,025 outstanding at March 31, 2021, and 90,643,206 issued and 79,508,265 outstanding at December 31, 2020		907			906
Additional paid-in-capital		965,566			964,734
Accumulated other comprehensive income, net		1,686			5,310
Retained earnings		1,837,261			1,789,325
Treasury stock, at cost (11,134,941 shares at March 31, 2021, and 11,134,941 shares at December 31, 2020)		(342,131	)		(342,131	)
Total equity		2,463,289			2,418,144
Total liabilities and equity	$	19,230,189		$	19,043,134

See accompanying Notes to Condensed Consolidated Financial Statements.

3

CATHAY GENERAL BANCORP AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND

COMPREHENSIVE INCOME

(Unaudited)

	Three months ended March 31,
	2021			2020
	(In thousands, except share and per share data)
Interest and Dividend Income
Loans receivable, including loan fees	$	159,721		$	177,870
Investment securities		3,067			7,610
Federal Home Loan Bank stock		217			305
Deposits with banks		315			951
Total interest and dividend income		163,320			186,736
Interest Expense
Time deposits		14,009			35,155
Other deposits		5,594			7,991
Advances from Federal Home Loan Bank		475			1,552
Long-term debt		1,424			1,440
Deferred payments from acquisition		—			58
Short-term borrowings		—			229
Total interest expense		21,502			46,425
Net interest income before provision for credit losses		141,818			140,311
Provision for credit losses		(13,558	)		25,000
Net interest income after provision for credit losses		155,376			115,311
Non-Interest Income
Net losses from equity securities		(2,752	)		(6,102	)
Securities losses, net		853			6
Letters of credit commissions		1,690			1,640
Depository service fees		1,363			1,298
Other operating income		8,846			8,944
Total non-interest income		10,000			5,786
Non-Interest Expense
Salaries and employee benefits		32,722			30,939
Occupancy expense		5,046			5,177
Computer and equipment expense		3,271			2,593
Professional services expense		4,710			5,145
Data processing service expense		3,655			3,666
FDIC and regulatory assessments		1,925			2,415
Marketing expense		2,882			1,886
Other real estate owned expense/(income)		94			(4,104	)
Amortization of investments in low income housing and alternative energy partnerships		11,570			13,890
Amortization of core deposit intangibles		172			172
Costs associated with debt redemption		732			—
Other operating expense		4,624			3,375
Total non-interest expense		71,403			65,154
Income before income tax expense		93,973			55,943
Income tax expense		20,589			9,091
Net income	$	73,384		$	46,852
Other Comprehensive Income, net of tax
Unrealized holding (losses)/gains on securities available-for-sale		(4,887	)		11,853
Unrealized holding gains/(losses) on cash flow hedge derivatives		1,263			(4,278	)
Total other comprehensive (loss)/gain, net of tax		(3,624	)		7,575
Total other comprehensive income	$	69,760		$	54,427
Net Income Per Common Share:
Basic	$	0.92		$	0.59
Diluted	$	0.92		$	0.59
Cash dividends paid per common share	$	0.31		$	0.31
Average Common Shares Outstanding:
Basic		79,530,777			79,588,076
Diluted		79,832,305			79,830,025

See accompanying Notes to Condensed Consolidated Financial Statements.

4

CATHAY GENERAL BANCORP AND SUBSIDIARIES

CONDENSED 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			Income			Earnings			Stock			Equity
	(In thousands, except share data)
Balance at December 31, 2020		79,508,265	$	906	$	964,734		$	5,310		$	1,789,325		$	(342,131	)	$	2,418,144
Cumulative effect of change in accounting principle related to ASC 326, net of tax (1)		—		—		—			—			(798	)		—			(798	)
Dividend Reinvestment Plan		20,036		—		868			—			—			—			868
Restricted stock units vested		66,724		1		—			—			—			—			1
Shares withheld related to net share settlement of RSUs		—		—		(1,279	)		—			—			—			(1,279	)
Stock -based compensation		—		—		1,243			—			—			—			1,243
Cash dividends of $0.31 per share		—		—		—			—			(24,650	)		—			(24,650	)
Other comprehensive loss		—		—		—			(3,624	)		—			—			(3,624	)
Net income		—		—		—			—			73,384			—			73,384
Balance at March 31, 2021		79,595,025	$	907	$	965,566		$	1,686		$	1,837,261		$	(342,131	)	$	2,463,289

(1) See "Accounting Standards Adopted in 2021" in Note 3 Recent Accounting Pronouncements, ASU 2016-13, Financial Instruments - Credit Losses (Topic 326).

									Accumulated
	Common Stock					Additional			Other								Total
	Number of					Paid-in			Comprehensive		Retained			Treasury			Stockholders'
	Shares			Amount		Capital			Income		Earnings			Stock			Equity
	(In thousands, except share data)
Balance at December 31, 2019		79,729,419		$	900	$	950,466		$	2,302	$	1,659,153		$	(318,538	)	$	2,294,283
Dividend Reinvestment Plan		39,665			1		845			—		—			—			846
Restricted stock units vested		51,183			1		—			—		—			—			1
Shares withheld related to net share settlement of RSUs		—			—		(523	)		—		—			—			(523	)
Purchases of treasury stock		(400,000	)		—		—			—		—			(12,880	)		(12,880	)
Stock -based compensation		—			—		1,543			—		—			—			1,543
Cash dividends of $0.31 per share		—			—		—			—		(24,660	)		—			(24,660	)
Other comprehensive income		—			—		—			7,575		—			—			7,575
Net income		—			—		—			—		46,852			—			46,852
Balance at March 31, 2020		79,420,267		$	902	$	952,331		$	9,877	$	1,681,345		$	(331,418	)	$	2,313,037

See accompanying Notes to Condensed Consolidated Financial Statements.

5

CATHAY GENERAL BANCORP AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

	Three months ended March 31,
	2021			2020
	(In thousands)
Cash Flows from Operating Activities
Net income	$	73,384		$	46,852
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses		(13,558	)		25,000
Provision for losses on other real estate owned		—			336
Deferred tax provision		6,135			(149	)
Depreciation and amortization		2,044			1,797
Amortization of right-of-use asset		2,221			2,115
Change in operating lease liabilities		2,319			(1,083	)
Net gains on sale and transfer of other real estate owned		—			(4,538	)
Net gains on sale of loans		(289	)		(3	)
Proceeds from sales of loans		6,345			239
Originations of loans held for sale		(6,056	)		(236	)
Amortization on alternative energy partnerships, venture capital and other investments		11,641			13,923
Net gain on sales and calls of securities		(853	)		(6	)
Amortization/accretion of security premiums/discounts, net		2,282			1,676
Loss on sales or disposal of fixed assets		22			—
Unrealized loss on equity securities		2,752			6,102
Stock based compensation and stock issued to officers as compensation		1,243			1,543
Net change in accrued interest receivable and other assets		11,863			4,126
Net change in other liabilities		(9,924	)		(2,661	)
Net cash provided by operating activities		91,571			95,033
Cash Flows from Investing Activities
Purchase of investment securities available-for-sale		(50,450	)		(89,989	)
Proceeds from sale of investment securities available-for-sale		21,102			74,935
Proceeds from sale of equity securities		—			3,113
Proceeds from repayments, maturities and calls of investment securities available-for-sale		148,685			126,878
Redemptions of Federal Home Loan Bank stock		—			840
Net increase in loans		(15,246	)		(458,616	)
Purchase of premises and equipment		(760	)		(867	)
Proceeds from sales of other real estate owned		—			881
Net increase in investment in affordable housing and alternative energy partnerships		(5,950	)		(18,696	)
Net cash used for investing activities		97,381			(361,521	)
Cash Flows from Financing Activities
Net increase in deposits		244,327			397,669
Advances from Federal Home Loan Bank		50,000			1,065,000
Repayment of Federal Home Loan Bank borrowings		(125,000	)		(1,240,000	)
Cash dividends paid		(24,650	)		(24,659	)
Repayment of other borrowings		—			58
Purchases of treasury stock		—			(12,880	)
Repayment of short-term borrowings		—			(12,785	)
Proceeds from shares issued under Dividend Reinvestment Plan		868			846
Taxes paid related to net share settlement of RSUs		(1,279	)		(523	)
Net cash provided by financing activities		144,266			172,726
Decrease in cash, cash equivalents, and restricted cash		333,218			(93,762	)
Cash, cash equivalents, and restricted cash, beginning of the period		1,421,078			593,778
Cash, cash equivalents, and restricted cash, end of the period	$	1,754,296		$	500,016
Supplemental disclosure of cash flow information
Cash paid during the period:
Interest	$	25,872		$	51,248
Income taxes paid	$	2,891		$	2,642
Non-cash investing and financing activities:
Net change in unrealized holding loss on securities available-for-sale, net of tax	$	(4,887	)	$	11,853
Net change in unrealized holding loss on cash flow hedge derivatives	$	1,263		$	(4,278	)

See accompanying Notes to Condensed Consolidated Financial Statements.

6

CATHAY GENERAL BANCORP AND SUBSIDIARIES

NOTES TO CONDENSED 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 March 31, 2021, the Bank operates 25 branches in Southern California, 13 branches in Northern California, 10 branches in New York State, four in Washington State, three 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. Basis of Presentation and Summary of Significant Accounting Policies

The accompanying unaudited Condensed 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, 2021. 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, 2020.

The preparation of the Condensed 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 Condensed Consolidated Financial Statements. Actual results could differ from those estimates. The Company expects that the most significant estimates subject to change are the allowance for loan losses.

Summary of Significant Accounting Policies

Securities Available for Sale

With the exception of the updated accounting policies listed below, the accompanying unaudited interim consolidated financial statements have been prepared on a consistent basis with the accounting policies described in Consolidated Financial Statements and Supplementary Data - Note 1 - “Summary of Significant Accounting Policies” under Part II, Item 8 of our 2020 Form 10K.

Prior to January 1, 2021, debt securities available-for-sale were measured at fair value and declines in the fair value were reviewed to determine whether the impairment was other-than-temporary. If we did not expect to recover the entire amortized cost basis of the security, then an other-than-temporary impairment (“OTTI”) was considered to have occurred. The cost basis of the security was written down to its estimated fair value and the amount of the write-down was recognized through a charge to earnings. If the amount of the amortized cost basis expected to be recovered increased in a future period, the cost basis of the security was not increased but rather recognized prospectively through interest income.

7

 

Effective January 1, 2021, upon the adoption of ASU 2016-13, 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 ("ACL") 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.

Interest income includes amortization of premiums and discounts as an adjustment of yield on a level-yield basis. Premiums on callable debt securities are amortized to their earliest call date. Gains and losses on sales are recorded on the trade date and determined using the specific identification method.

A debt security is placed on nonaccrual status at the time any principal or interest payments become delinquent by 90 days or greater. Interest accrued but not received for a security placed on non-accrual is reversed against interest income. No interest was reversed against interest income during the period.

Allowance for Credit Losses on Available for Sale Securities

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 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 and the non-credit component is recognized in other comprehensive income (loss), net of applicable taxes. 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. 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 has not been recorded through an allowance for credit losses is recognized in other comprehensive income.

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

The amortized cost of the Company’s AFS debt securities excludes accrued interest, which is included in "accrued interest receivable" on the Condensed 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.

8

 

Trading securities are reported at fair value, with unrealized gains or losses included in income.

Loans Held for Investment.

Loans receivable that the Company has the intent and ability to hold for the foreseeable future or until maturity are stated at their outstanding principal, reduced by an allowance for loan losses and net of deferred loan fees or costs on originated loans and unamortized premiums or discounts on purchased loans. Nonrefundable fees and direct costs associated with the origination or purchase of loans are deferred and netted against outstanding loan balances. The deferred net loan fees and costs are recognized in interest income as an adjustment to yield over the loan term using the effective interest method or straight-line method. Discounts or premiums on purchased loans are accreted or amortized to interest income using the effective interest method or straight-line method over the remaining period to contractual maturity. Interest on loans is calculated using the simple-interest method on daily balances of the principal amounts outstanding based on an actual or 360-day basis.

Generally, loans are placed on nonaccrual status when they become 90 days past due. Loans are considered past due when contractually required principal or interest payments have not been made on the due dates. Loans are also placed on nonaccrual status when management believes, after considering economic and business conditions and collection efforts, that the borrower’s financial condition is such that full collection of principal or interest becomes uncertain, regardless of the length of past due status. Once a loan is placed on nonaccrual status, interest accrual is discontinued, and all unpaid accrued interest is reversed against interest income. As a result, accrued interest receivable does not carry a credit loss reserve. Interest payments received on nonaccrual loans are reflected as a reduction of principal and not as interest income. A loan is returned to accrual status when the borrower has demonstrated a satisfactory payment trend subject to management’s assessment of the borrower’s ability to repay the loan.

Loans Held for Sale

Held for sale loans are carried at the lower of aggregate cost or fair value. Gains and losses are recorded in non-interest income based on the difference between sales proceeds, net of sales commissions, and carrying value. When a determination is made at the time of commitment to originate or purchase loans as held-for-investment, it is the Company’s intent to hold these loans to maturity or for the “foreseeable future,” subject to periodic review under the Company’s management evaluation processes, including asset/liability management. When the Company subsequently changes its intent to hold certain loans, the loans are transferred from the loans held-for-investment portfolio at amortized cost to the loans held-for-sale portfolio at lower of aggregate cost or fair value and the existing ACL on the loans transferred is reversed.

Allowance for Credit Losses on Loans Held for Investment.          

Effective January 1, 2021, and upon the adoption of ASU 2016-13, the Company replaced the incurred loss accounting approach with the current expected credit loss (“CECL”) approach for financial instruments measured at amortized cost and other commitments to extend credit. CECL requires the immediate recognition of estimated credit losses expected to occur over the estimated remaining life of the asset. The forward-looking concept of CECL requires loss estimates to consider historical experience, current conditions and reasonable and supportable economic forecasts of future events and circumstances.

The ACL on loans held for investment 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 Condensed 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 Condensed Consolidated Balance Sheets. The "Provision for credit losses" on the Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) is a combination of the provision for loan losses and the provision for unfunded loan commitments.

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Under the 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. 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. When loans do not share similar risk characteristics, the Company would evaluate the loan for expected credit losses on an individual basis. 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 three different loan valuation methods: (1) the present value of the expected future cash flows of the individually evaluated loan discounted at the loan’s original effective interest rate, (2) the observable market price of the individually evaluated loan or (3) if the Company intends to foreclose on the collateral securing the loan, the fair value of the collateral of a collateral-dependent loan less costs of sale. For loans that are not collateral-dependent, the Company will use the present value of future cash flows or the market value of the loan.

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 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, commercial real estate prices and residential mortgage prices, to historical credit performance for each of the six loan portfolios from 2009 to 2019. Loss given default rates would be computed based on the net charge-offs recognized divided by the expected exposure at default of defaulted loans starting with the first quarter of 2009 to 2019. 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 ACL. Both the econometric regression models and the expected exposure of default will be updated annually.

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 linearly for the four-quarter reversion period to the long-term loss rates for each of the six portfolios of loans.

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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 either of the following applies: (i) management has a reasonable expectation at the reporting date that a troubled debt restructuring will be executed with an individual borrower or (ii) 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 (“HELOC’s”) and cash-secured loans, which were 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.

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-US residents, and the higher risk characteristics of purchased syndicated loans. Current and forecasted economic trends and underlying market values for collateral dependent loans are considered to be included within the econometric models described above.

The 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 reasonable and supportable forecast and reversion periods; estimating expected utilization rates on unfunded loan commitments; and assessing relevant and appropriate qualitative factors. In addition, the CECL methodology is dependent on economic forecasts which are inherently imprecise and will change from period to period. Although the allowance for credit losses is considered 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 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. 

Individually Evaluated Loans 

Loans that do not share similar risk characteristics with other financial assets are individually evaluated for impairment and excluded from loan pools used within the collective evaluation of estimated credit losses. We defined the following criteria for what constitutes a “default”, which results in a loan no longer sharing similar risk characteristics with other loans, and therefore requires an individual evaluation for expected credit losses. The criteria for default may include any one of the following: on nonaccrual status, modified under a troubled debt restructuring, or payment delinquency of 90 days or more.

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Impaired Loans

Prior to January 1, 2021, a loan or lease was considered impaired when it was probable that we would be unable to collect all amounts due according to the contractual terms of the loan or lease agreement. The measurement of impairment may be based on (1) the present value of the expected future cash flows of the impaired loan discounted at the loan’s original effective interest rate, (2) the observable market price of the impaired loan or (3) the fair value of the collateral of a collateral-dependent loan. The amount by which the recorded investment in the loan exceeds the measure of the impaired loan is recognized by recording a valuation allowance with a corresponding charge to the provision for loan losses. When loans are placed on an impaired status, previously accrued but unpaid interest is reversed against current income and subsequent payments received are generally first applied toward the outstanding principal balance of the loan.

Troubled Debt Restructured Loan (“TDR”)

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 reduction in the stated interest rate, reduction in the loan balance or accrued interest, or extension of the maturity date. Although these loan modifications are considered TDRs, TDR loans that have, pursuant to the Bank’s policy, performed under the restructured terms and have demonstrated sustained performance under the modified terms for six months are returned to accrual status. The sustained performance considered by management pursuant to its policy includes 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 restructure to set up interest reserves. Loans classified as TDRs are reported as individually evaluated loans.

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

The Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”) as extended by the Consolidated Appropriation Act, 2021 ("CAA") permits financial institutions to suspend requirements under GAAP for loan modifications to borrowers affected by COVID-19 and is intended to provide interpretive guidance as to conditions that would constitute a short-term modification that would not meet the definition of a TDR. Such conditions include the following (i) the loan modification is made between March 1, 2020 and the earlier of January 1, 2022 or 60 days after the end of the coronavirus emergency declaration and (ii) the applicable loan was not more than 30 days past due as of December 31, 2019.

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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 9 in the Notes to Condensed 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 three-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 Condensed Consolidated Balance Sheets. Changes in the allowance for unfunded commitments are included in the provision for credit losses.

3. Recent Accounting Pronouncements

Accounting Standards Adopted in 2021

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments.”  This update requires an entity to use a broader range of R&S forecasts, in addition to historical experience and current conditions, to develop an expected credit loss estimate, referred to as the CECL model, for financial assets and net investments that are not accounted for at fair value through net income.  Credit losses relating to available-for-sale debt securities should be recorded through an allowance for credit losses to the amount by which fair value is below amortized cost. 

The FASB issued additional ASUs containing clarifying guidance, transition relief provisions and minor updates to the original ASU. These include ASU 2018-19 (issued November 2018), ASU 2019-04 (issued April 2019), ASU 2019-05 (issued May 2019), ASU 2019-10 (issued November 2019), ASU 2019-11 (issued November 2019), ASU 2020-02 (issued February 2020) and ASU 2020-03 (issued March 2020). ASU 2016-13 and subsequent ASUs are effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. This amendment is required to be adopted using a modified retrospective approach with a cumulative-effect adjustment to beginning retained earnings, as of the beginning of the first reporting period in which the guidance is effective. 

Effective January 1, 2021, the Company adopted ASU 2016-13 and the related amendments to ASC Topic 326, Financial Instruments - Credit Losses, to replace the incurred loss accounting approach with a CECL approach for financial instruments measured at amortized cost and other commitments to extend credit. The new standard is generally intended to require earlier recognition of credit losses. While the standard changes the measurement of the allowance for credit losses, it does not change the credit risk of our lending portfolios or the ultimate losses in those portfolios.

Under the CECL approach, the standard requires immediate recognition of estimated credit losses expected to occur over the estimated remaining life of the asset. The forward-looking concept of CECL requires loss estimates to consider historical experience, current conditions and reasonable and supportable forecasts. The standard modifies the other-than-temporary impairment model for available-for-sale debt securities to require entities to record an allowance when recognizing credit losses for available-for-sale securities, rather than reducing the amortized cost of the securities by direct write-offs.

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The Company adopted the new standard using the modified retrospective approach and recognized a cumulative effect adjustment to decrease retained earnings by $0.8 million, net of taxes, and increase the allowance for credit losses by $0.6 million and the reserve for unfunded loan commitments by $0.5 million without restating prior periods and applied the requirements of the new standard prospectively. There was no cumulative effect adjustment related to available-for-sale securities at adoption. The Company elected to account for accrued interest receivable separately from the amortized cost of loans and investment securities. Accrued interest receivable is included in "accrued interest receivables" on the Condensed Consolidated Balance Sheets. The Company elected the practical expedient to use the fair value of the collateral at the reporting date when determining the allowance for credit losses for a financial asset for which the repayment is expected to be provided substantially through the operation or sale of the collateral when the borrower is experiencing financial difficulty based on the entity’s assessment as of the reporting date (collateral dependent financial asset). Additionally, the Company implemented new business processes, new internal controls, and modified existing and/or implemented new internal models and tools to facilitate the ongoing application of the new standard. See Note 8. Loans for further details.

The following table sets forth the cumulative effect of the changes to the Company's unaudited Condensed Consolidated Balance Sheets at January 1, 2021, for the adoption of ASC 326:

	Balance at December 31, 2020		Adjustments Due to Adoption of ASC 326			Balance at January 1, 2021
	(In thousands)
Assets:
Allowance for credit losses on loans	$	166,538	$	594		$	167,132
Deferred tax assets		85,610		335			85,945
Liabilities:
Allowance for unfunded commitments		5,880		539			6,419
Stockholders' equity:
Retained earnings, net of tax		2,418,144		(798	)		2,417,346

In July 2017, the FASB issued ASU 2017-11, “Earnings per Share (Topic 260), Distinguishing Liabilities from Equity (Topic 480) and Derivatives and Hedging (Topic 815).” There are two parts to this update. Part I of this update addresses the complexity of accounting for certain financial instruments with down round features. Down round features are features of certain equity-linked instruments that result in the strike price being reduced on the basis of the pricing of future equity offerings. Part II of this update addresses the difficulty in navigating Topic 480, Distinguishing Liabilities from Equity, because of the existence of extensive pending content in the FASB Accounting Standards Codification. This pending content is the result of the indefinite deferral of accounting requirements about mandatorily redeemable financial instruments of certain nonpublic entities and certain mandatorily redeemable noncontrolling interests. The amendments in this update are effective for fiscal years beginning after December 15, 2020. Early adoption is permitted for all entities, including adoption in an interim period. If an entity early adopts the amendments in an interim period, any adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. The amendments in part I of this update should be applied in either of the following ways: (i) Retrospectively to outstanding financial instruments with a down round feature by means of a cumulative-effect adjustment to the statement of financial position as of the beginning of the first fiscal year and interim periods in which the pending content that links to this paragraph is effective; or (ii) Retrospectively to outstanding financial instruments with a down round feature for each prior reporting period presented in accordance with the guidance on accounting changes in paragraphs 250-10-45-5 through 45-10. The amendments to Part II of this update do not require any transition guidance because those amendments do not have an accounting effect. Adoption of ASU 2017-11 did not have a material impact on the Company’s Condensed Consolidated Financial Statements.

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In December 2019, the FASB issued ASU No. 2019-12, “Income Taxes (Topic 740); Simplifying the Accounting for Income Taxes.” This ASU removes specific exceptions to the general principles in Topic 740 in Generally Accepted Accounting Principles. It eliminates the need for an organization to analyze whether the following apply in a given period: exception to the incremental approach for intra-period tax allocation; exception to accounting for basis differences when there are ownership changes in foreign investments; and exception in interim period income tax accounting for year-to-date losses that exceed anticipated losses. The ASU also improves financial statement preparers’ application of income tax-related guidance and simplifies GAAP for: Franchise taxes that are partially based on income; transactions with a government that result in a step up in the tax basis of goodwill; separate financial statements of legal entities that are not subject to tax; and enacted changes in tax laws in interim periods. This ASU is effective for public business entities, for fiscal years beginning after December 15, 2020 with early adoption permitted for public business entities for periods for which financial statements have not yet been issued. Adoption of ASU 2019-12 did not have a material impact on the Company’s Condensed Consolidated Financial Statements.

In January 2020, the FASB issued ASU No. 2020-01, “'Investments—Equity Securities (Topic 321), Investments—Equity Method and Joint-Ventures (Topic 323), and Derivatives and Hedging (Topic 815). Clarifying the Interactions between Topic 321, Topic 323, and Topic 815.” This ASU is effective for public business entities for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2020. Early application is permitted, including early adoption in an interim period for public business entities for periods for which financial statements have not yet been issued. An entity should apply ASU No. 2020-01 prospectively at the beginning of the interim period that includes the adoption date. This ASU among other things clarifies that a company should consider observable transactions that require a company to either apply or discontinue the equity method of accounting under Topic 323, Investments—Equity Method and Joint Ventures, for the purposes of applying the measurement alternative in accordance with Topic 321 immediately before applying or upon discontinuing the equity method. The new ASU clarifies that, when determining the accounting for certain forward contracts and purchased options a company should not consider, whether upon settlement or exercise, if the underlying securities would be accounted for under the equity method or fair value option. Adoption of ASU 2020-01 did not have a material impact on the Company’s Condensed Consolidated Financial Statements.

Other Accounting Standards Pending Adoption

In March 2020, the FASB issued ASU No. 2020-04, “Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting.” ASU No. 2020-04 is effective for all entities as of March 12, 2020 through December 31, 2022. This ASU provides temporary optional guidance to ease the potential burden in accounting for reference rate reform. The new guidance provides optional expedients and exceptions for applying generally accepted accounting principles to contract modifications and hedging relationships, subject to meeting certain criteria, that reference LIBOR or another reference rate expected to be discontinued. The ASU is intended to help stakeholders during the global market-wide reference rate transition period. Therefore, it will be in effect for a limited time through December 31, 2022. The Company is evaluating the impact of adopting ASU 2020-02 on the Company’s Consolidated Financial Statements.

In October 2020, the FASB issued ASU 2020-08, “Codification Improvements to Subtopic 310-20, Receivables, Nonrefundable Fees and Other Costs.” ASU 2020-08 clarifies the accounting for the amortization of purchase premiums for callable debt securities with multiple call dates. ASU 2020-8 became effective for the Company on January 1, 2021, and is not expected to have a significant impact on the Company's Consolidated Financial Statements.

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In January 2021, the FASB issued ASU 2021-01, “Reference Rate Reform (Topic 848): Scope.” ASU 2021-01 clarifies that certain optional expedients and exceptions in ASC 848 for contract modifications and hedge accounting apply to derivatives that are affected by the discounting transition. ASU 2021-01 also amends the expedients and exceptions in ASC 848 to capture the incremental consequences of the scope clarification and to tailor the existing guidance to derivative instruments affected by the discounting transition. ASU 2021-01 was effective upon issuance and generally can be applied through December 31, 2022. The Company is evaluating the impact of adopting ASU 2021-01 on the Company’s Consolidated Financial Statements.

4. 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, including for purposes of reporting cash flows, consist of cash on hand, amounts due from banks, and short-term investments with original maturity of three months or less.

The Company is required to maintain reserves with the Federal Reserve Bank. Reserve requirements are based on a percentage of deposit liabilities. The average reserve balances required were zero and $60 thousand for the three months ended March 31, 2021 and for the year ended December 31, 2020, respectively. As of March 31, 2021 and December 31, 2020, the Company had $30.8 million and $34.7 million, respectively, on deposit in a cash margin account that serves as collateral for interest rate swaps. These amounts included $10.0 million and $11.9 million, respectively, on deposit in a cash margin account that serves as collateral for the Bancorp’s interest rate swaps. As of March 31, 2021 and December 31, 2020, the Company held $4.2 million and $9.3 million, respectively, in a restricted escrow account with a major bank for its alternative energy investments.

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5. 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 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 March 31,
	2021		2020
	(In thousands, except share and per share data)
Net income	$	73,384	$	46,852
Weighted-average shares:
Basic weighted-average number of common shares outstanding		79,530,777		79,588,076
Dilutive effect of weighted-average outstanding common share equivalents RSUs		301,528		241,949
Diluted weighted-average number of common shares outstanding		79,832,305		79,830,025
Average restricted stock units with anti-dilutive effect		71,108		47,399
Earnings per common share:
Basic	$	0.92	$	0.59
Diluted	$	0.92	$	0.59

6. 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.

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The following table presents RSU activity during the three months ended March 31, 2021:

	Time-Based RSUs					Performance-Based RSUs
				Weighted-Average					Weighted-Average
				Grant Date					Grant Date
	Shares			Fair Value		Shares			Fair Value
Balance at December 31, 2020		292,670		$	33.37		302,802		$	32.55
Granted		13,509			39.77		—			—
Vested		(91,654	)		41.88		(8,537	)		43.37
Forfeited		(16,296	)		30.62		(5,008	)		40.60
Balance at March 31, 2021		198,229		$	30.10		289,257		$	32.09

The compensation expense recorded for RSUs was $1.2 million and $1.5 million for the three months ended March 31, 2021, and 2020, respectively. Unrecognized stock-based compensation expense related to RSUs was $7.2 million and $7.7 million as of March 31, 2021 and 2020, respectively. As of March 31, 2021, these costs are expected to be recognized over the next 1.7 years for time-based and performance-based RSUs.

As of March 31, 2021, 2,060,019 shares were available for future grants under the Company’s 2005 Incentive Plan, as amended and restated.

Tax deficiency from share-based payment arrangements increased income tax expense by $37 thousand and $0.3 million in the three months ended March 31, 2021, and 2020, respectively.

7. 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 March 31, 2021, and December 31, 2020:

	March 31, 2021
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	40,709	$	11	$	—	$	40,720
U.S. government agency entities		95,637		705		291		96,051
Mortgage-backed securities		658,371		15,292		5,239		668,424
Collateralized mortgage obligations		10,201		—		74		10,127
Corporate debt securities		93,545		526		549		93,522
Total	$	898,463	$	16,534	$	6,153	$	908,844

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	December 31, 2020
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	80,948	$	6	$	6	$	80,948
U.S. government agency entities		99,944		441		546		99,839
Mortgage-backed securities		709,709		17,965		606		727,068
Collateralized mortgage obligations		10,358		—		34		10,324
Corporate debt securities		118,271		367		267		118,371
Total	$	1,019,230	$	18,779	$	1,459	$	1,036,550

As of March 31, 2021, the amortized cost of AFS debt securities excluded accrued interest receivables of $2.3 million, which are included in "accrued interest receivable" on the Condensed Consolidated Balance Sheets (Unaudited). For the Company’s accounting policy related to AFS debt securities’ accrued interest receivable, see Note 2. Basis of Presentation and Summary of Significant Accounting Policies to the Condensed Consolidated Financial Statements (Unaudited) in this Form 10Q.

The amortized cost and fair value of securities available-for-sale as of March 31, 2021, 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.  

	March 31, 2021
	Securities Available-For-Sale
	Amortized Cost		Fair Value
	(In thousands)
Due in one year or less	$	85,713	$	85,764
Due after one year through five years		35,967		35,481
Due after five years through ten years		175,943		180,203
Due after ten years		600,840		607,396
Total	$	898,463	$	908,844

Equity Securities - The Company recognized a net loss of $2.8 million for the three months ended March 31, 2021, due to the decrease in fair value of equity investments with readily determinable fair values compared to a net loss of $6.1 million for the three months ended March 31, 2020. Equity securities were $21.0 million and $23.7 million as of March 31, 2021, and December 31, 2020, respectively.

19

 

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  March 31, 2021, and  December 31, 2020:

	March 31, 2021
	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. government agency entities	$	12,930	$	11	$	23,662	$	280	$	36,592	$	291
Mortgage-backed securities		190,914		4,638		7,903		601		198,817		5,239
Collateralized mortgage obligations		9,946		65		181		9		10,127		74
Corporate debt securities		39,451		549		—		—		39,451		549
Total	$	253,241	$	5,263	$	31,746	$	890	$	284,987	$	6,153

	December 31, 2020
	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	$	40,952	$	6	$	—	$	—	$	40,952	$	6
U.S. government agency entities		26,390		102		40,009		444		66,399		546
Mortgage-backed securities		1,694		23		8,093		583		9,787		606
Collateralized mortgage obligations		10,131		25		193		9		10,324		34
Corporate debt securities		58,405		267		—		—		58,405		267
Total	$	137,572	$	423	$	48,295	$	1,036	$	185,867	$	1,459

Allowance for Credit Losses

The securities that were in an unrealized loss position at March 31, 2021, 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 2. Basis of Presentation and Summary of Significant Accounting Policies - Allowance for Credit Losses on Available for Sale Securities to the Condensed Consolidated Financial Statements in this Form 10Q.

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 March 31, 2021, against these securities, and there was no provision for credit losses recognized for the three months ended March 31, 2021. For the three months ended March 31, 2020, there was no credit loss recognized.

Securities available-for-sale having a carrying value of $21.0 million and $23.7 million as of March 31, 2021, and December 31, 2020, respectively, were pledged to secure public deposits, other borrowings and treasury tax and loan.

20

8. Loans

Most of the Company’s business activities are with customers 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 customers 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 Condensed Consolidated Balance Sheets as of March 31, 2021, and December 31, 2020, were as follows:

	March 31, 2021			December 31, 2020
	(In thousands)
Commercial loans	$	2,890,693		$	2,836,833
Residential mortgage loans		4,102,203			4,145,389
Commercial mortgage loans		7,549,522			7,555,027
Real estate construction loans		677,816			679,492
Equity lines		428,318			424,555
Installment and other loans		3,296			3,100
Gross loans	$	15,651,848		$	15,644,396
Allowance for loan losses		(147,264	)		(166,538	)
Unamortized deferred loan fees, net		(6,872	)		(2,494	)
Total loans, net	$	15,497,712		$	15,475,364

As of March 31, 2021, recorded investment in non-accrual loans was $94.4 million. As of December 31, 2020, recorded investment in impaired loans totaled $95.4 million and was comprised of non-accrual loans of $67.7 million and accruing TDRs of $27.7 million. For non-accrual loans, the amounts previously charged off represent 15.1% of the contractual balances for non-accrual loans as of March 31, 2021. For impaired loans, the amounts previously charged off represent 7.1% of the contractual balances for impaired loans as of December 31, 2020.

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

	Three Months Ended March 31,
	2021
	Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	28,268	$	12
Real estate construction loans		4,229		97
Commercial mortgage loans		40,116		57
Residential mortgage loans and equity lines		8,427		8
Total non-accrual loans	$	81,040	$	174

21

 

In connection with the adoption of ASU 2016-13, the Company no longer provides information on impaired loans. The following table presents the average recorded investment and interest income recognized on individually evaluated loans for the period indicated:

	Three Months Ended March 31,
	2020
	Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	28,316	$	70
Real estate construction loans		4,506		98
Commercial mortgage loans		36,040		459
Residential mortgage loans and equity lines		11,371		71
Total impaired loans	$	80,233	$	698

The following table presents non-accrual loans and the related allowance as of March 31, 2021:

	March 31, 2021
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance
Commercial loans	$	30,111	$	18,534	$	—
Real estate construction loans		5,776		4,189		—
Commercial mortgage loans		27,867		27,199		—
Residential mortgage loans and equity lines		9,205		8,545		—
Subtotal	$	72,959	$	58,467	$	—
With allocated allowance
Commercial loans	$	19,864	$	19,817	$	5,559
Commercial mortgage loans		16,233		16,162		5,133
Subtotal	$	36,097	$	35,979	$	10,692
Total non-accrual loans	$	109,056	$	94,446	$	10,692

22

 

In connection with the adoption of ASU 2016-13, the Company no longer provides information on impaired loans. The following table presents impaired loans and the related allowance as of December 31, 2020:

	December 31, 2020
	Unpaid Principal Balance		Recorded Investment		Allowance
				(In thousands)
With no allocated allowance
Commercial loans	$	23,784	$	20,698	$	—
Real estate construction loans		5,776		4,286		—
Commercial mortgage loans		22,877		22,287		—
Residential mortgage loans and equity lines		6,379		6,307		—
Subtotal	$	58,816	$	53,578	$	—
With allocated allowance
Commercial loans	$	13,703	$	6,372	$	1,030
Commercial mortgage loans		31,134		31,003		5,254
Residential mortgage loans and equity lines		5,005		4,452		145
Subtotal	$	49,842	$	41,827	$	6,429
Total impaired loans	$	108,658	$	95,405	$	6,429

The following tables present the aging of the loan portfolio by type as of March 31, 2021, and as of December 31, 2020:

	March 31, 2021
	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)
Commercial loans	$	13,845	$	1,645	$	1,880	$	38,351	$	55,721	$	2,834,972	$	2,890,693
Real estate construction loans		—		—		—		4,189		4,189		673,627		677,816
Commercial mortgage loans		6,659		274		258		43,361		50,552		7,498,970		7,549,522
Residential mortgage loans and equity lines		21,298		345		—		8,545		30,188		4,500,333		4,530,521
Installment and other loans		—		—		—		—		—		3,296		3,296
Total loans	$	41,802	$	2,264	$	2,138	$	94,446	$	140,650	$	15,511,198	$	15,651,848

	December 31, 2020
	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)
Commercial loans	$	52,601	$	3,182	$	2,947	$	23,087	$	81,817	$	2,755,016	$	2,836,833
Real estate construction loans		6,257		—		—		4,286		10,543		668,949		679,492
Commercial mortgage loans		45,186		18,069		2,035		33,715		99,005		7,456,022		7,555,027
Residential mortgage loans and equity lines		14,315		4,223		—		6,596		25,134		4,544,810		4,569,944
Installment and other loans		43		—		—		—		43		3,057		3,100
Total loans	$	118,402	$	25,474	$	4,982	$	67,684	$	216,542	$	15,427,854	$	15,644,396

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

23

 

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 discussed in the “Basis of Presentation and Summary of Significant Accounting Policies” above, for the quantitative baseline, and include non-accrual loans, TDRs, and other loans as deemed appropriate by management. In addition, the Company individually evaluates “reasonably expected” TDRs, which are identified by the Company as a commercial loan expected to be classified as a TDR. Individually evaluated loans also includes “reasonably expected” TDRs, identified by the Company as a consumer loan for which a borrower’s application of loan modification due to hardship has been received by the Company. Management judgment is utilized to make this determination.

Although the Company took steps to incorporate the impact of the COVID-19 pandemic on the economic conditions and other factors (such as the severity and length of the COVID-19 pandemic and its impacts) utilized to determine the expected loan losses, if the economic conditions or other factors worsen relative to the assumptions the Company utilized, the expected loan losses will increase accordingly in future periods.

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 are considered TDRs, TDR loans that have, pursuant to the Bank’s policy, performed under the restructured terms and have demonstrated sustained performance under the modified terms for six months are returned to accrual status. The sustained performance considered by management pursuant to its policy includes 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 restructure to set up interest reserves. Loans classified as TDRs are reported as individually evaluated loans.

As of March 31, 2021, accruing TDRs were $27.9 million and non-accrual TDRs were $8.6 million compared to accruing TDRs of $27.7 million and non-accrual TDRs of $9.0 million as of December 31, 2020. The Company allocated specific reserves of $56 thousand to accruing TDRs and $1 thousand to non-accrual TDRs as of March 31, 2021, and $122 thousand to accruing TDRs and $24 thousand to non-accrual TDRs as of December 31, 2020. The following tables set forth TDRs that were modified during the three months ended March 31, 2021, and 2020, their specific reserves as of March 31, 2021 and 2020, and charge-offs for the three months ended March 31, 2021, and 2020:

	Three Months Ended March 31, 2021								March 31, 2021
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		1	$	686	$	686	$	—	$	—
Total		1	$	686	$	686	$	—	$	—

24

 

	Three Months Ended March 31, 2020								March 31, 2020
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		2	$	534	$	534	$	—	$	—
Total		2	$	534	$	534	$	—	$	—

Modifications of the loan terms in the three months ended March 31, 2021, were in the form of extensions of maturity dates, which ranged generally from three to twelve months from the modification date. 

We expect that the TDRs on accruing status as of March 31, 2021, which were all performing in accordance with their restructured terms, will continue to comply with the restructured terms because of the reduced principal or interest payments on these loans.  The ongoing impact of the COVID pandemic, however, could increase the risk of such TDRs becoming non-accrual due to the borrowers’ inability to continue to comply with their restructured terms. A summary of TDRs by type of concession and by type of loan, as of March 31, 2021, and December 31, 2020, is set forth in the table below:

	March 31, 2021
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	4,544	$	—	$	—	$	4,544
Commercial mortgage loans		524		5,607		13,322		19,453
Residential mortgage loans		1,686		262		1,919		3,867
Total accruing TDRs	$	6,754	$	5,869	$	15,241	$	27,864

	March 31, 2021
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	8,150	$	—	$	—	$	8,150
Residential mortgage loans		511		—		—		511
Total non-accrual TDRs	$	8,661	$	—	$	—	$	8,661

25

 

	December 31, 2020
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	3,983	$	—	$	—	$	3,983
Commercial mortgage loans		515		5,635		13,425		19,575
Residential mortgage loans		1,724		275		2,164		4,163
Total accruing TDRs	$	6,222	$	5,910	$	15,589	$	27,721

	December 31, 2020
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	8,462	$	—	$	—	$	8,462
Residential mortgage loans		523		—		—		523
Total non-accrual TDRs	$	8,985	$	—	$	—	$	8,985

The activity within TDRs for the periods indicated is set forth below:

	Three Months Ended March 31,
	2021			2020
	(In thousands)
Accruing TDRs
Beginning balance	$	27,721		$	35,336
New restructurings		686			534
Payments		(543	)		(1,506	)
Ending balance	$	27,864		$	34,364

	Three Months Ended March 31,
	2021			2020
	(In thousands)
Non-accrual TDRs
Beginning balance	$	8,985		$	18,048
Payments		(324	)		(159	)
Ending balance	$	8,661		$	17,889

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 did not have any loans that were modified as a TDR during the previous twelve months and which had subsequently defaulted as of March 31, 2021.

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 March 31, 2021, there were no commitments to lend additional funds to those borrowers whose loans had been restructured, were considered individually evaluated, or were on non-accrual status.

26

 

The CARES Act, signed into law on March 27, 2020, and as extended by the CAA, permits financial institutions to suspend requirements under GAAP for loan modifications to borrowers affected by COVID-19 that would otherwise be characterized as TDRs and suspend any determination related thereto if (i) the loan modification is made between March 1, 2020 and the earlier of January 1, 2022 or 60 days after the end of the coronavirus emergency declaration and (ii) the applicable loan was not more than 30 days past due as of December 31, 2019. In addition, federal bank regulatory authorities have issued guidance to encourage financial institutions to make loan modifications for borrowers affected by COVID-19 and have assured financial institutions that they will neither receive supervisory criticism for such prudent loan modifications, nor be required by examiners to automatically categorize COVID-19-related loan modifications as TDRs. The Company is applying this guidance to qualifying loan modifications.

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 lower than average, but still acceptable, credit risk.

● 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.

27

 

In connection with the adoption of ASU 2016-13, the Company no longer provides information on impaired loans. The following table presents loan portfolio by risk rating as of December 31, 2020:

	December 31, 2020
	Pass/Watch		Special Mention		Substandard		Doubtful		Total
	(In thousands)
Commercial loans	$	2,581,128	$	141,344	$	108,788	$	5,573	$	2,836,833
Real estate construction loans		593,196		82,010		4,286		—		679,492
Commercial mortgage loans		7,202,568		186,283		166,176		—		7,555,027
Residential mortgage loans and equity lines		4,547,052		11,647		11,245		—		4,569,944
Installment and other loans		3,100		—		—		—		3,100
Total gross loans	$	14,927,044	$	421,284	$	290,495	$	5,573	$	15,644,396

28

 

The following table summarizes the Company’s loan held for investment 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
March 31, 2021	2021		2020		2019			2018			2017		Prior			Revolving Loans			Revolving Converted to Term Loans			Total
	(In thousands)
Commercial loans
Pass	$	255,423	$	527,049	$	316,832		$	245,195		$	125,699	$	94,080		$	1,088,480		$	8,055		$	2,660,813
Special Mention		—		100		16,458			7,535			3,265		31			43,466			246			71,101
Substandard		—		11,537		20,564			29,395			10,834		4,738			67,426			6,207			150,701
Doubtful		—		—		—			—			—		—			2,244			—			2,244
Total		255,423		538,686		353,854			282,125			139,798		98,849			1,201,616			14,508			2,884,859
YTD period charge-offs		—		23		50			366			—		—			8,699			—			9,138
YTD period recoveries		—		—		—			(4	)		—		(156	)		(1,109	)		—			(1,269	)
Net		—		23		50			362			—		(156	)		7,590			—			7,869
Real estate construction loans
Pass		38,405		224,620		162,973			131,063			58,557		—			—			—			615,618
Special Mention		—		33,083		6,373			15,822			—		—			—			—			55,278
Substandard		—		—		—			—			—		4,189			—			—			4,189
Total		38,405		257,703		169,346			146,885			58,557		4,189			—			—			675,085
YTD period charge-offs		—		—		—			—			—		—			—			—			—
YTD period recoveries		—		—		—			—			—		—			—			—			—
Net		—		—		—			—			—		—			—			—			—
Commercial mortgage loans
Pass		325,895		1,393,092		1,373,968			1,283,094			933,711		1,723,499			171,529			—			7,204,788
Special Mention		—		23,492		29,476			22,138			26,290		88,360			5,753			—			195,509
Substandard		—		628		6,832			47,145			3,608		89,479			377			—			148,069
Total		325,895		1,417,212		1,410,276			1,352,377			963,609		1,901,338			177,659			—			7,548,366
YTD period charge-offs		—		—		—			—			—		—			—			—			—
YTD period recoveries		—		—		(60	)		—			—		(7	)		(28	)		—			(95	)
Net		—		—		(60	)		—			—		(7	)		(28	)		—			(95	)
Residential mortgage loans
Pass		182,269		749,890		820,791			635,500			546,962		1,146,581			—			—			4,081,993
Special Mention		—		334		4,749			3,170			1,717		4,023			—			—			13,993
Substandard		—		18		809			2,300			564		4,140			—			—			7,831
Total		182,269		750,242		826,349			640,970			549,243		1,154,744			—			—			4,103,817
YTD period charge-offs		—		—		—			—			—		—			—			—			—
YTD period recoveries		—		—		—			—			—		(7	)		—			—			(7	)
Net		—		—		—			—			—		(7	)		—			—			(7	)
Equity lines
Pass		—		—		—			—			—		10			392,712			34,804			427,526
Special Mention		—		—		—			—			—		—			925			—			925
Substandard		—		—		—			—			—		—			330			729			1,059
Total		—		—		—			—			—		10			393,967			35,533			429,510
YTD period charge-offs		—		—		—			—			—		—			—			—			—
YTD period recoveries		—		—		—			—			—		—			(3	)		(6	)		(9	)
Net		—		—		—			—			—		—			(3	)		(6	)		(9	)
Installment and other loans
Pass		953		2,386		—			—			—		—			—			—			3,339
Total		953		2,386		—			—			—		—			—			—			3,339
YTD period charge-offs		—		—		—			—			—		—			—			—			—
YTD period recoveries		—		—		—			—			—		—			—			—			—
Net		—		—		—			—			—		—			—			—			—
Total loans	$	802,945	$	2,966,229	$	2,759,825		$	2,422,357		$	1,711,207	$	3,159,130		$	1,773,242		$	50,041		$	15,644,976
Net charge-offs/(recoveries)	$	—	$	23	$	(10	)	$	362		$	—	$	(170	)	$	7,559		$	(6	)	$	7,758

29

 

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

The following table sets forth the balance in the allowance for loan losses by portfolio segment and based on impairment method as of December 31, 2020. This table is no longer presented after December 31, 2020, given the adoption of ASU 2016-13, which has a single impairment methodology.

	December 31, 2020
			Real Estate		Commercial		Residential		Installment
	Commercial		Construction		Mortgage		Mortgage Loans		and
	Loans		Loans		Loans		and Equity Lines		Other Loans		Total
	(In thousands)
Loans individually evaluated for impairment
Allowance	$	1,030	$	—	$	5,254	$	145	$	—	$	6,429
Balance	$	27,070	$	4,286	$	53,289	$	10,760	$	—	$	95,405
Loans collectively evaluated for impairment
Allowance	$	67,712	$	30,854	$	43,951	$	17,592	$	—	$	160,109
Balance	$	2,809,763	$	675,206	$	7,501,738	$	4,559,184	$	3,100	$	15,548,991
Total allowance	$	68,742	$	30,854	$	49,205	$	17,737	$	—	$	166,538
Total balance	$	2,836,833	$	679,492	$	7,555,027	$	4,569,944	$	3,100	$	15,644,396

The following tables set forth activity in the allowance for loan losses by portfolio segment for the three months ended March 31, 2021, and March 31, 2020. Allocation of a portion of the allowance to one category of loans does not preclude its availability to absorb losses in other categories.

										Residential
				Real Estate			Commercial			Mortgage Loans			Installment
	Commercial			Construction			Mortgage			and			and Other
	Loans			Loans			Loans			Equity Lines			Loans			Total
	(In thousands)
2021 Beginning Balance	$	68,742		$	30,854		$	49,205		$	17,737		$	—		$	166,538
Impact of ASU 2016-13 adoption		(28,748	)		(25,332	)		35,335			19,330			9			594
Allowance for loan losses, January 1, 2021		39,994			5,522			84,540			37,067			9			167,132
Provision/(reversal) for possible credit losses		12,627			446			(18,946	)		(6,231	)		(6	)		(12,110	)
Charge-offs		(9,138	)		—			—			—			—			(9,138	)
Recoveries		1,269			—			95			16			—			1,380
Net (charge-offs)/recoveries		(7,869	)		—			95			16			—			(7,758	)
March 31, 2021 Ending Balance	$	44,752		$	5,968		$	65,689		$	30,852		$	3		$	147,264
Allowance for unfunded credit commitments December 31, 2020	$	4,802		$	690		$	101		$	284		$	3		$	5,880
Impact of ASU 2016-13 adoption		(3,347	)		4,274			(101	)		(284	)		(3	)		539
Allowance for loan losses, January 1, 2021		1,455			4,964			—			—			—			6,419
Provision/(reversal) for possible credit losses		125			(1,574	)		—			—			—			(1,449	)
Allowance for unfunded credit commitments March 31, 2021	$	1,580		$	3,390		$	—		$	—		$	—		$	4,970

30

 

								Residential
				Real Estate		Commercial		Mortgage Loans		Installment
	Commercial			Construction		Mortgage		and		and Other
	Loans			Loans		Loans		Equity Lines		Loans			Total
	(In thousands)
2020 Beginning Balance	$	57,021		$	19,474	$	33,602	$	13,108	$	19		$	123,224
Provision/(reversal) for possible credit losses		10,891			3,748		6,129		4,251		(19	)		25,000
Charge-offs		(1,321	)		—		—		—		—			(1,321	)
Recoveries		1,208			—		155		7		—			1,370
Net (charge-offs)/recoveries		(113	)		—		155		7		—			49
March 31, 2020 Ending Balance	$	67,799		$	23,222	$	39,886	$	17,366	$	—		$	148,273
Reserve for impaired loans	$	2,827		$	—	$	405	$	219	$	—		$	3,451
Reserve for non-impaired loans	$	64,972		$	23,222	$	39,481	$	17,147	$	—		$	144,822
Reserve for off-balance sheet credit commitments	$	1,296		$	1,233	$	177	$	304	$	3		$	3,013

The ongoing COVID-19 pandemic has caused significant disruption in the United States and international economies and financial markets. Although banks have generally been permitted to continue operating, the COVID-19 pandemic has caused disruptions to our business and could cause material disruptions to our business and operations in the future. The Company has continued its efforts to support its customers affected by the pandemic and to maintain asset quality and balance sheet strength, including the following:

• The Company has provided loans through the SBA's Paycheck Protection Program, (or “PPP”). As of March 31, 2021, 2,770 PPP loans with a current balance of $334.4 million have been approved by the Small Business Administration and an additional $71.9 million have been forgiven. These loans do not carry an allowance for loan losses.

• The Company has outstanding COVID-19 modifications on approximately seven commercial real estate loans totaling $56.1 million as of March 31, 2021, which represented 0.7% of the Bank’s commercial real estate loans and six commercial loans, totaling $38.0 million, which represented 1.3% of the total commercial loans.

• As of March 31, 2021, there were 52 COVID-19 residential mortgage loan modifications outstanding, or $31.4 million, that represented 0.8% of the total residential mortgage portfolio, and two HELOC loans totaling $1.1 million, which represented 0.3% of total HELOC loans.

9. 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.

31

 

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 customers. 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 Condensed 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 $95.7 million and $103.1 million as of March 31, 2021, and December 31, 2020, respectively.

10. Leases

The Company determines if a contract arrangement is a lease at inception and primarily enters into operating lease contracts for its branch locations, office space and certain equipment. As part of its property lease agreements, the Company may seek to include options to extend or terminate a lease when it is reasonably certain that the Company will exercise those options. The Right-of-Use (“ROU”) lease asset also includes any lease payments made and lease incentives. Lease expense for lease payments is recognized on a straight-line basis over the lease term. The Company does not possess any leases that have variable lease payments or residual value guarantees as of March 31, 2021.

ASU 2016-02, “Leases (Topic 842),” as amended by ASU No. 2018-01, “Land Easement Practical Expedient for Transition to Topic 842”; ASU No. 2018-10, “Codification Improvements to Topic 842, Leases”; and ASU No. 2018-11, “Targeted Improvements,” establishes a right-of-use model (“ROU”) that requires a lessee to recognize an ROU asset and lease liability on the balance sheet for all leases with a term longer than 12 months. The standard provides a number of optional practical expedients in transition. We have elected the "package of practical expedients," which permits us not to reassess under the new standard our prior conclusions about lease identification, lease classification and initial direct costs. We also elected all of the new standard’s available transition practical expedients, including the short-term lease recognition exemption that includes not recognizing ROU assets or lease liabilities for existing short-term leases, and the practical expedient to not separate lease and non-lease components for all of our leases. The Company uses its incremental borrowing rate to determine the present value of its lease liabilities.

The following table presents the operating lease amounts reported on the Condensed Consolidated Balance Sheets, and other supplemental information as of  March 31, 2021 and December 31, 2020:

	March 31, 2021			December 31, 2020
	($ In millions)
Operating Leases:
ROU assets	$	32.9		$	30.9
Lease liabilities	$	35.8		$	33.5
Weighted-average remaining lease term (in years)		4.8			4.7
Weighted-average discount rate		2.63	%		2.77	%

Operating lease expense was $2.9 million and $2.9 million for the three months ended March 31, 2021 and March 31, 2020, respectively, and includes short-term leases that were immaterial. Operating cash flows from operating leases were $2.5 million and $2.2 million for the three months ended March 31, 2021 and 2020, respectively. During the first quarter the Company recognized an ROU asset impairment of $187 thousand related to an early termination of a lease agreement. This amount was included in other expenses in the Condensed Consolidated Statement of Operations and Comprehensive Income.

32

 

The following table presents a maturity analysis of the Company’s operating lease liabilities as of March 31, 2021, and December 31, 2020, respectively.

	As of March 31, 2021
	Operating Leases
	(In thousands)
Remaining 2021	$	7,183
2022		9,165
2023		7,794
2024		5,427
2025		3,307
Thereafter		5,352
Total lease payments		38,228
Less amount of payment representing interest		(2,425	)
Total present value of lease payments	$	35,803

	As of December 31, 2020
	Operating Leases
	(In thousands)
2021	$	9,384
2022		8,335
2023		6,890
2024		4,635
2025		2,520
Thereafter		4,153
Total lease payments		35,917
Less amount of payment representing interest		(2,433	)
Total present value of lease payments	$	33,484

33

11. Borrowed Funds

Borrowings from the Federal Home Loan Bank (“FHLB”) – There were no over-night borrowings from the FHLB as of March 31, 2021, and December 31, 2020. Advances from the FHLB were $75.0 million at a weighted average rate of 2.26% as of March 31, 2021, and $150.0 million at a weighted average rate of 2.15% as of December 31, 2020. As of March 31, 2021, FHLB advances of $5.0 million will mature in May 2021, $50.0 million in June 2021, and $20.0 million in May 2023.

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 March 31, 2021, Junior Subordinated Notes totaled $119.1 million with a weighted average interest rate of 2.36%, compared to $119.1 million with a weighted average rate of 2.40% at December 31, 2020. The Junior Subordinated Notes have a stated maturity term of 30 years.

12. Income Taxes

The effective tax rate for the first quarter of 2021 was 21.9% compared to 16.3% for the first quarter of 2020. The effective tax rate includes the impact of low-income housing and alternative energy investment tax credits. Income tax expense for the first quarter of 2021 was increased by $37 thousand related to a tax deficiency from the distribution of restricted stock units.

The Company’s tax returns are open for audit by the Internal Revenue Service back to 2017 and by the California Franchise Tax Board back to 2016.

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.

34

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 as follows:

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.

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.

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.

35

 

The following tables present the Company’s hierarchy for its assets and liabilities measured at fair value on a recurring basis as of March 31, 2021, and December 31, 2020:

	March 31, 2021
	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	$	40,720	$	—	$	—	$	40,720
U.S. government agency entities		—		96,051		—		96,051
Mortgage-backed securities		—		668,424		—		668,424
Collateralized mortgage obligations		—		10,127		—		10,127
Corporate debt securities		—		93,522		—		93,522
Total securities available-for-sale	$	40,720	$	868,124	$	—	$	908,844
Equity securities
Mutual funds	$	6,301	$	—	$	—	$	6,301
Preferred stock of government sponsored entities		3,328		—		—		3,328
Other equity securities		11,364		—		—		11,364
Total equity securities	$	20,993	$	—	$	—	$	20,993
Warrants	$	—	$	—	$	16	$	16
Interest rate swaps		—		3,615		—		3,615
Foreign exchange contracts		—		2,891		—		2,891
Total assets	$	61,713	$	874,630	$	16	$	936,359
Liabilities
Interest rate swaps	$	—	$	12,116	$	—	$	12,116
Foreign exchange contracts		—		2,550		—		2,550
Total liabilities	$	—	$	14,666	$	—	$	14,666

	December 31, 2020
	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	$	80,948	$	—	$	—	$	80,948
U.S. government agency entities		—		99,838		—		99,838
Mortgage-backed securities		—		727,068		—		727,068
Collateralized mortgage obligations		—		10,324		—		10,324
Corporate debt securities		—		118,372		—		118,372
Total securities available-for-sale	$	80,948	$	955,602	$	—	$	1,036,550
Equity securities
Mutual funds	$	6,413	$	—	$	—	$	6,413
Preferred stock of government sponsored entities		5,485		—		—		5,485
Other equity securities		11,846		—		—		11,846
Total equity securities	$	23,744	$	—	$	—	$	23,744
Warrants	$	—	$	—	$	21	$	21
Interest rate swaps		—		3,409		—		3,409
Foreign exchange contracts		—		4,658		—		4,658
Total assets	$	104,692	$	963,669	$	21	$	1,068,382
Liabilities
Interest rate swaps	$	—	$	10,286	$	—	$	10,286
Foreign exchange contracts		—		2,200		—		2,200
Total liabilities	$	—	$	12,486	$	—	$	12,486

36

 

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 March 31, 2021, and December 31, 2020, 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 Condensed Consolidated Balance Sheets as of March 31, 2021, 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 March 31, 2021, and December 31, 2020, and the total losses for the periods indicated:

	As of March 31, 2021								Total Losses
	Fair Value Measurements Using						Total Fair Value		For the Three Months Ended
	Level 1		Level 2		Level 3		Measurements		March 31, 2021		March 31, 2020
	(In thousands)
Assets
Loans held-for-investment:
Commercial loans	$	—	$	—	$	14,258	$	14,258	$	—	$	—
Commercial mortgage loans		—		—		11,029		11,029		—		—
Total loans held-for-investment		—		—		25,287		25,287		—		—
Other real estate owned (1)		—		905		4,236		5,141		—		336
Investments in venture capital and private company stock		—		—		1,094		1,094		71		33
Total assets	$	—	$	905	$	30,617	$	31,522	$	71	$	369

(1) Other real estate owned balance of $4.9 million in the Condensed Consolidated Balance Sheets is net of estimated disposal costs.

	As of December 31, 2020								Total Losses
	Fair Value Measurements Using						Total Fair Value		For the Twelve Months Ended
	Level 1		Level 2		Level 3		Measurements		December 31, 2020		December 31, 2019
	(In thousands)
Assets
Impaired loans by type:
Commercial loans	$	—	$	—	$	5,342	$	5,342	$	7,012	$	—
Commercial mortgage loans		—		—		25,749		25,749		—		—
Residential mortgage loans and equity lines		—		—		4,307		4,307		—		—
Total impaired loans		—		—		35,398		35,398		7,012		—
Other real estate owned (1)		—		905		4,236		5,141		717		681
Investments in venture capital and private company stock		—		—		1,381		1,381		107		167
Total assets	$	—	$	905	$	41,015	$	41,920	$	7,836	$	848

(1) Other real estate owned balance of $4.9 million in the condensed 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.

37

 

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 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 0.20% to 1.34%, and stock volatility from 16.76% to 21.30%.

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.

38

 

The following table sets forth the carrying and notional amounts and estimated fair value of financial instruments as of March 31, 2021, and December 31, 2020:

	March 31, 2021				December 31, 2020
	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
	(In thousands)
Financial Assets
Cash and due from banks	$	141,885	$	141,885	$	138,616	$	138,616
Short-term investments		1,612,411		1,612,411		1,282,462		1,282,462
Securities available-for-sale		908,844		908,844		1,036,550		1,036,550
Loans, net		15,497,712		16,094,374		15,475,364		16,103,471
Equity securities		20,993		20,993		23,744		23,744
Investment in Federal Home Loan Bank stock		17,250		17,250		17,250		17,250
Warrants		16		16		21		21

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Foreign exchange contracts	$	154,340	$	2,891	$	151,244	$	4,658
Interest rate swaps		496,140		3,615		96,889		3,409

	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
Financial Liabilities
Deposits	$	16,353,633	$	16,364,101	$	16,109,401	$	16,125,808
Advances from Federal Home Loan Bank		75,000		77,691		150,000		155,133
Other borrowings		23,333		19,861		23,714		19,632
Long-term debt		119,136		64,892		119,136		65,487

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Foreign exchange contracts	$	96,119	$	2,550	$	132,813	$	2,200
Interest rate swaps		662,228		12,116		679,648		10,286

	Notional					Notional
	Amount		Fair Value			Amount		Fair Value
Off-Balance Sheet Financial Instruments
Commitments to extend credit	$	3,095,013	$	(9,614	)	$	2,977,528	$	(8,432	)
Standby letters of credit		237,488		(1,720	)		234,200		(1,630	)
Other letters of credit		21,975		(19	)		16,821		(16	)
Bill of lading guarantees		—		—			238		—

39

 

The following tables set forth the level in the fair value hierarchy for the estimated fair values of financial instruments as of March 31, 2021, and December 31, 2020.

	As of March 31, 2021
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	141,885	$	141,885	$	—	$	—
Short-term investments		1,612,411		1,612,411		—		—
Securities available-for-sale		908,844		40,720		868,124		—
Loans, net		16,094,374		—		—		16,094,374
Equity securities		20,993		20,993		—		—
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Warrants		16		—		—		16
Financial Liabilities
Deposits		16,364,101		—		—		16,364,101
Advances from Federal Home Loan Bank		77,691		—		77,691		—
Other borrowings		19,861		—		—		19,861
Long-term debt		64,892		—		64,892		—

	As of December 31, 2020
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	138,616	$	138,616	$	—	$	—
Short-term investments		1,282,462		1,282,462		—		—
Securities available-for-sale		1,036,550		80,948		955,602		—
Loans, net		16,103,471		—		—		16,103,471
Equity securities		23,744		23,744		—		—
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Warrants		21		—		—		21
Financial Liabilities
Deposits		16,125,808		—		—		16,125,808
Advances from Federal Home Loan Bank		155,133		—		155,133		—
Other borrowings		19,632		—		—		19,632
Long-term debt		65,487		—		65,487		—

14. Goodwill and Goodwill Impairment

The Company’s policy is to assess goodwill for impairment at the reporting unit level on an annual basis or between annual assessments if a triggering event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying amount.  Impairment is the condition that exists when the carrying amount of goodwill exceeds its implied fair value.  

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15. Financial Derivatives

It is our policy not to speculate on the future direction of interest rates. However, from time to time, we may enter into financial derivatives in order to seek mitigation of exposure to interest rate risks related to our interest-earning assets and interest-bearing liabilities. We believe 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, we may enter into interest rate swap contracts or other types of financial derivatives. Prior to considering any hedging activities, we seek to analyze the costs and benefits of the hedge in comparison to other viable alternative strategies. All hedges must be approved by 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 Condensed 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 Condensed Consolidated Financial Statements.

The Company offers various interest rate derivative contracts to its customers. When derivative transactions are executed with its customers, 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 Condensed 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 customers 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.

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In May 2014, the 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 the 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. As of March 31, 2021, and 2020, the ineffective portion of these interest rate swaps was not significant. The notional amount and net unrealized loss of the Company’s cash flow derivative financial instruments as of March 31, 2021, and December 31, 2020, were as follows:

	March 31, 2021			December 31, 2020
Cash flow swap hedges:	(In thousands)
Notional	$	119,136		$	119,136
Weighted average fixed rate-pay		2.61	%		2.61	%
Weighted average variable rate-receive		0.19	%		0.44	%
Unrealized loss, net of taxes (1)	$	(5,627	)	$	(6,890	)

	Three months ended
	March 31, 2021		March 31, 2020
Periodic net settlement of swaps (2)	$	711	$	255

(1)-Included in other comprehensive income.

(2)-the amount of periodic net settlement of interest rate swaps was included in interest expense.

As of March 31, 2021, the Bank’s outstanding interest rate swap contracts had a notional amount of $819.8 million for various terms from three to ten years. The Bank entered into these interest rate swap contracts that are matched to fixed-rate commercial real estate loans in the Bank’s loan portfolio. 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 March 31, 2021, and 2020, the ineffective portion of these interest rate swaps was not significant. The notional amount and net unrealized loss of the Company’s fair value derivative financial instruments as of March 31, 2021, and December 31, 2020, were as follows:

	March 31, 2021			December 31, 2020
Fair value swap hedges:	(In thousands)
Notional	$	819,820		$	478,266
Weighted average fixed rate-pay		3.26	%		4.56	%
Weighted average variable rate spread		1.70	%		2.46	%
Weighted average variable rate-receive		1.82	%		3.11	%
Net unrealized loss (1)	$	(10,735	)	$	(15,082	)

	Three months ended
	March 31, 2021			March 31, 2020
Periodic net settlement of SWAPs (2)	$	(2,387	)	$	(643	)

(1)-the amount is included in other non-interest income.

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

The Company has designated as a partial-term hedging election $375.0 million notional as last-of-layer hedge on a pool of loans with a notational value of $779.3 million as of March 31, 2021. 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 a pay-fixed and receive 1-Month LIBOR interest rate swap to convert the last-of-layer $375.0 million portion of a $779.3 million fixed rate loan tranche in order to reduce the Company’s exposure to higher interest rates for the last-of-layer tranche. As of March 31, 2021, the last-of-layer loan tranche had a fair value basis adjustment of $809 thousand. 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.

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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. The 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. Cash posted as collateral by the Bancorp related to derivative contracts totaled $10.0 million as of March 31, 2021 and $11.9 million as of December 31, 2020.

The Company from time to time 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 Condensed 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 March 31, 2021, and December 31, 2020, were as follows:

	March 31, 2021			December 31, 2020
Derivative financial instruments not designated as hedging instruments:	(In thousands)
Notional amounts:
Spot, forward, and swap contracts with positive fair value	$	154,340		$	151,244
Spot, forward, and swap contracts with negative fair value	$	96,119		$	132,813
Fair value:
Spot, forward, and swap contracts with positive fair value	$	2,891		$	4,658
Spot, forward, and swap contracts with negative fair value	$	(2,550	)	$	(2,200	)

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16. Balance Sheet Offsetting

Certain financial instruments, including resell and repurchase agreements, securities lending arrangements and derivatives, may be eligible for offset in the Condensed 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 Condensed Consolidated Balance Sheets, as of March 31, 2021, and December 31, 2020, 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)
March 31, 2021
Assets:
Derivatives	$	3,615	$	—		$	3,615	$	—	$	—	$	3,615
Liabilities:
Derivatives	$	21,143	$	(9,027	)	$	12,116	$	—	$	—	$	12,116
December 31, 2020
Assets:
Derivatives	$	3,409	$	—		$	3,409	$	—	$	—	$	3,409
Liabilities:
Derivatives	$	28,258	$	(17,972	)	$	10,286	$	—	$	—	$	10,286

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17. Revenue from Contracts with Customers

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

	Three months Ended March 31,
	2021		2020
	(In thousands)
Non-interest income, in-scope:
Fees and service charges on deposit accounts	$	2,112	$	2,054
Wealth management fees		3,557		3,137
Other service fees(1)		3,491		3,372
Total noninterest income		9,160		8,563
Noninterest income, not in-scope(2)		840		(2,777	)
Total noninterest income	$	10,000	$	5,786

(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 606.

The major revenue streams by fee type that are within the scope of ASC 606 presented in the above table is 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 customers 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 customers 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.

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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 customers 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 customer pays for that good or service is one year or less.

18. Stockholders’ Equity

Total equity was $2.46 billion as of March 31, 2021, an increase of $45.1 million, from $2.42 billion as of December 31, 2020, primarily due to net income of $73.4 million, and proceeds from dividend reinvestment of $868 thousand, and partially offset by common stock cash dividends of $24.6 million and a decrease in other comprehensive income of $3.6 million.

Activity in accumulated other comprehensive income, net of tax, and reclassification out of accumulated other comprehensive income for the three months ended March 31, 2021, and March 31, 2020, was as follows:

	Three months ended March 31, 2021									Three months ended March 31, 2020
	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							$	12,200								$	5,714
Cash flow hedge derivatives								(6,890	)								(3,412	)
Total							$	5,310								$	2,302
Net unrealized gains/(losses) arising during the period
Securities available-for-sale	$	(6,085	)	$	(1,799	)	$	(4,286	)	$	16,833		$	4,976		$	11,857
Cash flow hedge derivatives		1,793			530			1,263			(6,073	)		(1,795	)		(4,278	)
Total	$	(4,292	)	$	(1,269	)	$	(3,023	)	$	10,760		$	3,181		$	7,579
Reclassification adjustment for net losses in net income
Securities available-for-sale		(853	)		(252	)		(601	)		(6	)		(2	)		(4	)
Cash flow hedge derivatives		—			—			—			—			—			—
Total		(853	)		(252	)		(601	)		(6	)		(2	)		(4	)
Total other comprehensive income/(loss)
Securities available-for-sale	$	(6,938	)	$	(2,051	)	$	(4,887	)	$	16,827		$	4,974		$	11,853
Cash flow hedge derivatives		1,793			530			1,263			(6,073	)		(1,795	)		(4,278	)
Total	$	(5,145	)	$	(1,521	)	$	(3,624	)	$	10,754		$	3,179		$	7,575
Ending balance, gain/(loss), net of tax
Securities available-for-sale							$	7,313								$	17,567
Cash flow hedge derivatives								(5,627	)								(7,690	)
Total							$	1,686								$	9,877

19. Subsequent Events

On April 1, 2021, the Board of Directors approved a new stock repurchase program to buy back up to $75.0 million of the Company’s common stock.

The Company has evaluated the effect of events that have occurred subsequent to March 31, 2021, through the date of issuance of the Condensed 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 Condensed Consolidated Financial Statements or disclosure in the Notes to the Condensed 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, 2020.

Critical Accounting Policies

The discussion and analysis of the Company’s financial condition and results of operations are based upon its unaudited Condensed Consolidated Financial Statements, which have been prepared in accordance with accounting principles generally accepted in the United States of America. The preparation of these Condensed Consolidated Financial Statements requires management to make estimates and judgments that affect the reported amounts of assets and liabilities, revenues, and expenses, and related disclosures of contingent assets and liabilities at the date of the Condensed 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 Company’s Annual Report on Form 10-K for the year ended December 31, 2020. For more information, please also see Note 2 to the Company's unaudited Condensed Consolidated Financial Statements.

Recent Developments: Impact of and Response to COVID-19 Pandemic

The ongoing COVID-19 pandemic has caused significant disruption in the United States and international economies and financial markets. The spread of COVID-19 in the United States has caused illness, quarantines, cancellation of events and travel, business and school shutdowns, reduction in commercial activity and financial transactions, supply chain interruptions, increased unemployment, and overall economic and financial market instability. Many states, including California, New York, Washington, Illinois, Texas, Massachusetts, Nevada and other states in which we have significant operations, have imposed restrictions on leisure, business, commercial and other activities and gatherings to seek to slow the spread of COVID-19.

The onset of the COVID-19 pandemic has significantly heightened the level of challenges, risks and uncertainties facing our Company and its operations, including the following:

● Market interest rates have declined significantly and these reductions, especially if prolonged, could adversely affect our net interest income, net interest margin and earnings.

● We anticipate a potential slowdown in demand for our products and services, including the demand for traditional loans, although we believe the decline may be partially offset due to the new volume of PPP loans under the CARES Act and other governmental programs established in response to the pandemic.

● The inability of our customers to meet their loan commitments due to job and other losses resulting from the pandemic could result in increased risk of delinquencies, defaults, foreclosures, and declining collateral values, resulting in losses to our Company.

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Additional potential impacts arising from, and our anticipated responses to, the COVID-19 pandemic are set forth below. See also the COVID-related risk factors as previously disclosed in Part I, Item 1A, of the Company's Annual Report on Form 10-K for the year ended December 31, 2020.

Financial position and results of operations

Our financial position and results of operations as of and for the three months ended March 31, 2021 have been significantly impacted by the COVID-19 pandemic. The improved macro-economic environment contributed to a $13.6 million reversal for credit losses recognized during the three months ended March 31, 2021. While we have not yet experienced significant write-offs related to the COVID-19 pandemic as of March 31, 2021, the continued uncertainty regarding the severity and duration of the pandemic and related economic effects will continue to affect our estimate of our allowance for credit losses and resulting provision for credit losses. To the extent the impact of the pandemic is prolonged and economic conditions worsen or persist longer than forecast, such estimates may be insufficient and change significantly in the future. Our interest income may also be negatively impacted in future periods as we continue to work with our affected borrowers to defer payments, interest, and fees. Additionally, net interest margin may be reduced generally as a result of the low rate environment. These uncertainties and the economic environment will continue to affect earnings, slow growth, and may result in deterioration of asset quality in our loan and investment portfolios.

The below table details our exposure to borrowers in industries generally considered to be the most impacted by the COVID-19 pandemic:

March 31, 2021
Industry (1)	Loan Balance		Percent of Total Loan Portfolio
	(In millions)
Restaurants	$	158.8		1	%
Hotels/motels		296.3		2
Retail businesses/properties		1,725.3		11
	$	2,180.4		14	%

(1)- Balances capture credit exposures in the business segments that manage the significant majority of industry relationships. Balances consist of commercial real estate secured loans where the collateral consist of restaurants, hotels/motels or have a retail dependency.

While we have not experienced disproportionate impacts among our business segments as of March 31, 2021, borrowers in the industries detailed in the table above (and potentially other industries) could have greater sensitivity to the economic downturn resulting from COVID-19 with potentially longer recovery periods than other business lines.

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Loan modifications

We began receiving requests from our borrowers for loan deferrals in March 2020 following the onset of the pandemic. Modifications include the deferral of principal payments or the deferral of principal and interest payments for terms generally 90 - 180 days. Requests are evaluated individually, and approved modifications are based on the unique circumstances of each borrower. We are committed to working with our clients to allow time to work through the challenges of this pandemic. At this time, it is uncertain what future impact loan modifications related to COVID-19 difficulties will have on our financial condition, results of operations and reserve for loan losses.

As of March 31, 2021, there were 52 COVID-19 residential mortgage loan modifications outstanding, or $31.4 million, with a weighted average loan to value of 54.6% that represented 0.8% of the total mortgage portfolio and 6, or $38.0 million, in commercial loan balances that represented 1.3% of total commercial loans.

The CARES Act, as extended by the Consolidated Appropriations Act, 2021, (“CAA”), permits financial institutions to suspend requirements under GAAP for loan modifications to borrowers affected by COVID-19 and is intended to provide interpretive guidance as to conditions that would constitute a short-term modification that would not meet the definition of a TDR. This includes the following (i) the loan modification is made between March 1, 2020 and the earlier of January 1, 2022 or 60 days after the end of the coronavirus emergency declaration and (ii) the applicable loan was not more than 30 days past due as of December 31, 2019. The Company is applying this guidance to qualifying loan modifications and anticipates that it will continue to experience an increase in short-term modifications.

The following table shows COVID-19 CRE loan modifications outstanding by property type as of March 31, 2021.

Property Type	# of Loan Deferrals Approved		Balance as of March 31, 2021		Total Category Balance
	(In millions)
Hotel/Motel		1	$	23.3	$	296.3
Retail		—		—		1,725.3
Residential		—		—		2,220.3
Warehouse		—		—		901.4
Office		3		23.9		1,352.1
Theater		—		—		24.9
Special Use		3		8.9		365.2
Industrial		—		—		417.1
Restaurant		—		—		158.8
Land		—		—		88.1
Total CRE		7	$	56.1	$	7,549.5

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Paycheck Protection Program (PPP)

As part of the CARES Act, the SBA has been authorized to guarantee loans under the PPP through March 31, 2021 for small businesses who meet the necessary eligibility requirements in order to keep their workers on the payroll. One of the notable features of the PPP is that borrowers are eligible for loan forgiveness if borrowers, among other conditions, maintain their staff and payroll and if loan amounts are used to cover payroll, mortgage interest, rents and utilities payments. These loans have a two-to-five-year term and earn interest at a rate of 1%. We began accepting applications on April 3, 2020. As of March 31, 2021, we had processed 2,770 PPP loans with a current balance of $334.4 million and forgiven $71.9 million. We have begun accepting and processing PPP applications under the CAA. PPP loans are guaranteed by the SBA and therefore we believe PPP loans generally do not represent a material credit risk.

Capital and liquidity

While we believe we have sufficient capital and do not anticipate any need for additional liquidity as of March 31, 2021, in response to the uncertainty regarding the severity and duration of the COVID-19 pandemic, we are prepared to take additional actions, as needed, to maintain strong capital levels and ensure the strength of our liquidity position. Such actions may include pledging additional collateral to increase our borrowing capacity with the FRB, if necessary. Our Board of Directors also will continue to evaluate the impacts of the COVID-19 pandemic and the appropriateness of declaring future dividends and the rate of any future dividends as well as any stock repurchases, in light of our capital and liquidity needs.

Asset impairment

At this time, as of March 31, 2021, we do not believe there exists any impairment to our goodwill and intangible assets, long-lived assets, right of use assets, or available-for-sale investment securities due to the COVID-19 pandemic. It is uncertain whether prolonged effects of the COVID-19 pandemic will result in future impairment charges related to any of the aforementioned assets. Continued and sustained declines in Bancorp’s stock price and/or other credit related impacts could give rise to triggering events in the future that could result in a write-down in the value of our goodwill, which could have a material adverse impact on our results of operations.

Our processes, controls and business continuity plan

As a financial institution, we are considered an essential business and therefore continue to operate on a modified basis to comply with governmental restrictions and public health authority guidelines. The health and safety of our employees and customers is a major concern to our management. We are continuing to permit employees to work from home when feasible or, if working from one of our locations is required, to maintain appropriate social distancing and observe other health precautions. We have also taken such other actions as social distancing, restrictions on in-person meetings and conferences, Company travel restrictions and increased sanitary protocols. We believe these actions offer the best protection for our employees and customers, and enhance our ability to continue providing our banking services.

Through this time of disruption, we have remained open for business supporting our customers while implementing our business continuity plan to mitigate the risks of the spread of COVID-19 to our employees and customers. While physical access to our bank offices remains restricted by social distancing requirements, customer business is still being transacted at our branches through drive-up facilities, online, telephone or by appointment.

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We believe that we are positioned to continue these business continuity measures for the foreseeable future, however, no assurances can be provided as these circumstances may change depending on the duration and severity of the pandemic.

Highlights

● Total net interest margin increased to 3.20% in the first quarter of 2021 from 3.12% in the fourth quarter of 2020.

● There was a reversal of provisions for credit losses of $13.6 million in the first quarter of 2021 compared to a reversal for loan losses of $5.0 million for the fourth quarter of 2020.

Quarterly Statement of Operations Review

Net Income

Net income for the quarter ended March 31, 2021, was $73.4 million, an increase of $26.5 million, or 56.5%, compared to net income of $46.9 million for the same quarter a year ago. Diluted earnings per share for the quarter ended March 31, 2021, was $0.92 compared to $0.59 for the same quarter a year ago.

Return on average stockholders’ equity was 12.18% and return on average assets was 1.57% for the quarter ended March 31, 2021, compared to a return on average stockholders’ equity of 8.12% and a return on average assets of 1.05% for the same quarter a year ago.

Financial Performance

	Three months ended
	March 31, 2021			March 31, 2020
Net income (In millions)	$	73.4		$	46.9
Basic earnings per common share	$	0.92		$	0.59
Diluted earnings per common share	$	0.92		$	0.59
Return on average assets		1.57	%		1.05	%
Return on average total stockholders' equity		12.18	%		8.12	%
Efficiency ratio		47.03	%		44.60	%

Net Interest Income Before Provision for Credit Losses

Net interest income before provision for credit losses increased $1.5 million, or 1.1%, to $141.8 million during the first quarter of 2021, compared to $140.3 million during the same quarter a year ago. The increase was due primarily to a decrease in interest expense from deposits, offset, in part by a decrease in interest income from loans and securities.

The net interest margin was 3.20% for the first quarter of 2021 compared to 3.34% for the first quarter of 2020 and 3.12% for the fourth quarter of 2020.

For the first quarter of 2021, the yield on average interest-earning assets was 3.68%, the cost of funds on average interest-bearing liabilities was 0.67%, and the cost of interest-bearing deposits was 0.63%. In comparison, for the first quarter of 2020, the yield on average interest-earning assets was 4.44%, the cost of funds on average interest-bearing liabilities was 1.49%, and the cost of interest-bearing deposits was 1.44%. The decrease in the yield on average interest-earning assets resulted mainly from lower lending 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 3.01% for the quarter ended March 31, 2021, compared to 2.95% 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 March 31, 2021, and 2020. Average outstanding amounts included in the table are daily averages.

	Interest-Earning Assets and Interest-Bearing Liabilities
	Three months ended March 31,
	2021								2020
				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)	$	15,691,976		$	159,721		4.13	%	$	15,213,440		$	177,870		4.70	%
Investment securities		995,704			3,067		1.25			1,379,365			7,610		2.22
Federal Home Loan Bank stock		17,250			217		5.10			17,268			305		7.09
Interest-bearing deposits		1,283,375			315		0.10			311,024			951		1.23
Total interest-earning assets		17,988,305			163,320		3.68			16,921,097			186,736		4.44
Non-interest earning assets:
Cash and due from banks		152,514								175,827
Other non-earning assets		1,042,124								1,030,634
Total non-interest earning assets		1,194,638								1,206,461
Less: Allowance for loan losses		(167,583	)							(123,886	)
Deferred loan fees		(4,199	)							(631	)
Total assets	$	19,011,161							$	18,003,041
Interest-bearing liabilities:
Interest-bearing demand accounts	$	1,890,390		$	664		0.14	%	$	1,388,597		$	709		0.21	%
Money market accounts		3,552,217			4,712		0.54			2,437,997			6,959		1.15
Savings accounts		845,543			218		0.10			733,372			323		0.18
Time deposits		6,404,755			14,009		0.89			7,495,619			35,155		1.89
Total interest-bearing deposits		12,692,905			19,603		0.63			12,055,585			43,146		1.44
Other borrowings		123,424			475		1.56			392,029			1,839		1.89
Long-term debt		119,136			1,424		4.85			119,136			1,440		4.86
Total interest-bearing liabilities		12,935,465			21,502		0.67			12,566,750			46,425		1.49
Non-interest bearing liabilities:
Demand deposits		3,406,460								2,863,889
Other liabilities		226,196								252,119
Total equity		2,443,040								2,320,283
Total liabilities and equity	$	19,011,161							$	18,003,041
Net interest spread							3.01	%							2.95	%
Net interest income				$	141,818							$	140,311
Net interest margin							3.20	%							3.34	%

(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 three months ended March 31, 2021 and 2020:

Taxable-Equivalent Net Interest Income — Changes Due to Volume and Rate⁽¹⁾

	Three months ended March 31, 2021-2020 Increase/(Decrease) in Net Interest Income Due to:
	Changes in Volume			Changes in Rate			Total Change
	(In thousands)
Interest-earning assets:
Loans	$	5,231		$	(23,380	)	$	(18,149	)
Investment securities		(1,767	)		(2,777	)		(4,544	)
Federal Home Loan Bank stock		—			(87	)		(87	)
Deposits with other banks		867			(1,503	)		(636	)
Total changes in interest income		4,331			(27,747	)		(23,416	)
Interest-bearing liabilities:
Interest-bearing demand accounts		212			(257	)		(45	)
Money market accounts		2,400			(4,646	)		(2,246	)
Savings accounts		44			(148	)		(104	)
Time deposits		(4,557	)		(16,589	)		(21,146	)
Other borrowed funds		(1,089	)		(276	)		(1,365	)
Long-term debt		—			(16	)		(16	)
Total changes in interest expense		(2,990	)		(21,932	)		(24,922	)
Changes in net interest income	$	7,321		$	(5,815	)	$	1,506

(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.

(Reversal)/provision for credit losses

As permitted under the CARES Act and as extended by the CAA, the Company adopted the CECL methodology for estimated credit losses effective as of January 1, 2021. The adoption of CECL under a modified retrospective approach as of January 1, 2021 increased the allowance for loan losses by $0.6 million and allowance for unfunded credit commitments by $0.5 million and an after-tax decrease to opening retained earnings of $0.8 million. These amounts differ from that previously disclosed. As of March 31, 2021, the allowance for loan losses decreased $19.8 million to $147.3 million, or 0.94% of gross loans, compared to $167.1 million, or 1.07% of gross loans, as of January 1, 2021. The change in the allowance for loan losses included a $12.1 million reversal for loan losses for the first quarter of 2021, as a result of the improving macroeconomic conditions and $7.8 million in net charge-offs. In the first quarter of 2020, a provision for loan losses of $25.0 million was recorded under the incurred loss method. The Company will continue to monitor the continuing impact of the COVID-19 pandemic on credit risks and losses, as well as on customer demand deposits and other liabilities and assets. The following table sets forth the charge-offs and recoveries for the periods indicated:

	Three months ended March 31,
	2021		2020
	(In thousands)
Charge-offs:
Commercial loans	$	9,138	$	1,321
Total charge-offs		9,138		1,321
Recoveries:
Commercial loans		1,269		1,208
Real estate loans (1)		111		162
Total recoveries		1,380		1,370
Net recoveries	$	7,758	$	(49	)

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

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Non-Interest Income

Non-interest income, which includes revenues from depository service fees, letters of credit commissions, equity securities gains (losses), wire transfer fees, and other sources of fee income, was $10.0 million for the first quarter of 2021, an increase of $4.2 million, or 72.4%, compared to $5.8 million for the first quarter of 2020. The increase was primarily due to a $3.4 million decrease in net losses from equity securities and a $0.8 million increase in gain from sale of securities, when compared to the same quarter a year ago.

Non-Interest Expense

Non-interest expense increased $6.2 million, or 9.5%, to $71.4 million in the first quarter of 2021, compared to $65.2 million in the same quarter a year ago. The increase in non-interest expense in the first quarter of 2021 was primarily due to a decrease of $4.2 million in income from other real estate owned, an increase of $1.8 million in salaries and other employee benefits, an increase of $1.0 million in contributions to the Cathay Bank Foundation, to combat anti-Asian American hate crimes, and an increase of $0.7 million in costs associated with debt redemption, offset, in part, by a decrease of $2.3 million in amortization expense of investments in low-income housing and alternative energy partnerships, when compared to the same quarter a year ago. The efficiency ratio was 47.0% in the first quarter of 2021 compared to 44.6% for the same quarter a year ago.

Income Taxes

The effective tax rate for the first quarter of 2021 was 21.9% compared to 16.3% for the first quarter of 2020. The effective tax rate includes the impact of alternative energy investments and low-income housing tax credits.

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Balance Sheet Review

Assets

Total assets were $19.2 billion as of March 31, 2021, an increase of $187.1 million, or 1.0%, from $19.0 billion as of December 31, 2020, primarily due to an increase in short-term investments offset in part by a decrease in investment securities.

Securities Available-for-Sale

Prior to January 1, 2021, debt securities available-for-sale were measured at fair value and declines in the fair value were reviewed to determine whether the impairment was other-than-temporary. If we did not expect to recover the entire amortized cost basis of the security, then an other-than-temporary impairment (“OTTI”) was considered to have occurred. The cost basis of the security was written down to its estimated fair value and the amount of the write-down was recognized through a charge to earnings. If the amount of the amortized cost basis expected to be recovered increased in a future period, the cost basis of the security was not increased but rather recognized prospectively through interest income.

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 debt (“AFS”) 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 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. For AFS that do not meet the aforementioned criteria, the Company evaluates whether the decline in fair value has resulted from credit losses or other factors. 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. 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.

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Securities available-for-sale represented 4.7% of total assets as of March 31, 2021, compared to 5.4% of total assets as of December 31, 2020. Securities available-for-sale were $0.9 billion as of March 31, 2021, compared to $1.0 billion as of December 31, 2020.

The following tables set forth the amortized cost, gross unrealized gains, gross unrealized losses, and fair value of securities available-for-sale as of March 31, 2021, and December 31, 2020:

	March 31, 2021
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	40,709	$	11	$	—	$	40,720
U.S. government agency entities		95,637		705		291		96,051
Mortgage-backed securities		658,371		15,292		5,239		668,424
Collateralized mortgage obligations		10,201		—		74		10,127
Corporate debt securities		93,545		526		549		93,522
Total	$	898,463	$	16,534	$	6,153	$	908,844

	December 31, 2020
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	80,948	$	6	$	6	$	80,948
U.S. government agency entities		99,944		441		546		99,839
Mortgage-backed securities		709,709		17,965		606		727,068
Collateralized mortgage obligations		10,358		—		34		10,324
Corporate debt securities		118,271		367		267		118,371
Total	$	1,019,230	$	18,779	$	1,459	$	1,036,550

For additional information, see Note 7 to the Company’s unaudited Condensed Consolidated Financial Statements.

Securities available-for-sale having a carrying value of $21.0 million as of March 31, 2021, and $22.7 million as of December 31, 2020, were pledged to secure public deposits, other borrowings and treasury tax and loan.

Equity Securities

The Company recognized a net loss of $2.8 million for the three months ended March 31, 2021, due to the decrease in fair value of equity investments with readily determinable fair values compared to a net loss of $6.1 million for the three months ended March 31, 2020. Equity securities were $21.0 million and $23.7 million as of March 31, 2021, and December 31, 2020, respectively.

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Losses are charged against the allowance when management believes the uncollectability of an available-for-sale 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 excludes accrued interest, which is included in "accrued interest income" on the Condensed 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 March 31, 2021, no AFS debt securities were in default.

Loans

Gross loans were $15.7 billion at March 31, 2021, an increase of $7.5 million, or 0.05%, from $15.6 billion at December 31, 2020. The increase was primarily due to increases of $53.9 million, or 1.9%, in commercial loans, offset, in part, by a decrease of $43.2 million, or 1.0%, in residential mortgage loans. The loan balances and composition at March 31, 2021, compared to December 31, 2020 are set forth below:

	March 31, 2021			% of Gross Loans			December 31, 2020			% of Gross Loans			% Change
	(In thousands)
Commercial loans	$	2,890,693			18.5	%	$	2,836,833			18.1	%		1.9	%
Residential mortgage loans		4,102,203			26.2			4,145,389			26.5			(1.0	)
Commercial mortgage loans		7,549,522			48.2			7,555,027			48.3			(0.1	)
Real estate construction loans		677,816			4.3			679,492			4.4			(0.2	)
Equity lines		428,318			2.8			424,555			2.7			0.9
Installment and other loans		3,296			0.0			3,100			0.0			6.3
Gross loans	$	15,651,848			100	%	$	15,644,396			100	%		0.0	%
Allowance for loan losses		(147,264	)					(166,538	)					(11.6	)
Unamortized deferred loan fees		(6,872	)					(2,494	)					175.5
Total loans, net	$	15,497,712					$	15,475,364						0.1	%

Non-performing Assets

Non-performing assets include loans past due 90 days or more and still accruing interest, non-accrual loans, and OREO. The Company’s 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. From time to time 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.

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The ratio of non-performing assets to total assets was 0.5% at March 31, 2021, compared to 0.4% at December 31, 2020. Total non-performing assets increased $23.9 million, or 30.8%, to $101.5 million at March 31, 2021, compared to $77.6 million at December 31, 2020, primarily due to an increase of $26.8 million, or 39.5%, in nonaccrual loans, offset, in part, by a decrease of $2.8 million, or 57.1%, in accruing loans past due 90 days or more.

As a percentage of gross loans plus OREO, our non-performing assets were 0.65% as of March 31, 2021, compared to 0.50% as of December 31, 2020. The non-performing loan portfolio coverage ratio, defined as the allowance for credit losses to non-performing loans, decreased to 157.6% as of March 31, 2021, from 237.3% as of December 31, 2020.

The following table sets forth the changes in non-performing assets and TDRs as of March 31, 2021, compared to December 31, 2020, and to March 31, 2020:

	March 31, 2021			December 31, 2020			% Change			March 31, 2020			% Change
	(In thousands)
Non-performing assets
Accruing loans past due 90 days or more	$	2,138		$	4,982			(57	)	$	4,531			(53	)
Non-accrual loans:
Construction loans		4,189			4,286			(2	)		4,482			(7	)
Commercial mortgage loans		43,361			33,715			29			11,859			266
Commercial loans		38,351			23,087			66			30,443			26
Residential mortgage loans		8,545			6,596			30			6,949			23
Total non-accrual loans	$	94,446		$	67,684			40		$	53,733			76
Total non-performing loans		96,584			72,666			33			58,264			66
Other real estate owned		4,918			4,918			-			9,048			(46	)
Total non-performing assets	$	101,502		$	77,584			31		$	67,312			51
Accruing troubled debt restructurings	$	27,864		$	27,721			1		$	34,364			(19	)
Allowance for loan losses	$	147,264		$	166,538			(12	)	$	148,273			(1	)
Total gross loans outstanding, at period-end	$	15,651,848		$	15,644,396			0		$	15,534,212			1
Allowance for loan losses to non-performing loans, at period-end		152.47	%		229.18	%					254.48	%
Allowance for loan losses to gross loans, at period-end		0.94	%		1.06	%					0.95	%

Non-accrual Loans

At March 31, 2021, total non-accrual loans were $94.4 million, an increase of $26.7 million, or 39.5%, from $67.7 million at December 31, 2020, and an increase of $40.7 million, or 75.8%, from $53.7 million at March 31, 2020. 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. Non-accrual loans also include those TDRs that do not qualify for accrual status.

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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:

	March 31, 2021				December 31, 2020
	Real				Real
	Estate (1)		Commercial		Estate (1)		Commercial
	(In thousands)
Type of Collateral
Single/multi-family residence	$	19,208	$	8,803	$	7,126	$	9,031
Commercial real estate		36,887		338		37,471		338
Land		—		2,831		—		2,634
Personal property (UCC)		—		26,379		—		11,084
Total	$	56,095	$	38,351	$	44,597	$	23,087

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

	March 31, 2021				December 31, 2020
	Real				Real
	Estate (1)		Commercial		Estate (1)		Commercial
	(In thousands)
Type of Business
Real estate development	$	22,425	$	33	$	12,875	$	33
Wholesale/Retail		25,284		29,529		25,291		11,290
Import/Export		—		4,845		—		6,191
Other		8,386		3,944		6,431		5,573
Total	$	56,095	$	38,351	$	44,597	$	23,087

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

Impaired Loans

Prior to January 1, 2021, a loan was considered to be impaired when it was probable that we will be unable to collect all amounts due according to the contractual terms of the loan agreement based on current circumstances and events. The assessment for impairment occurs when and while such loans are on non-accrual as a result of delinquency status of over 90 days or our receipt of information otherwise indicating that full collection of principal is doubtful, or when the loan has been restructured in a TDRs. Those loans with a balance less than our defined selection criteria, generally a loan amount less than $500 thousand, are treated as a homogeneous portfolio. If loans meeting the defined criteria are not collateral dependent, we measure the impairment based on the present value of the expected future cash flows discounted at the loan’s effective interest rate. If loans meeting the defined criteria are collateral dependent, we measure the impairment by using the loan’s observable market price or the fair value of the collateral. We generally obtain an appraisal to determine the amount of impairment at the date that the loan becomes impaired. The appraisals are generally based on “as is” or bulk sale valuations. To ensure that appraised values remain current, we generally obtain an updated appraisal every twelve months from qualified independent appraisers. If the fair value of the collateral, less cost to sell, is less than the recorded amount of the loan, we then recognize impairment by creating or adjusting an existing valuation allowance with a corresponding charge to the provision for loan losses. If an impaired loan is expected to be collected through liquidation of the collateral, the amount of impairment, excluding disposal costs (which generally range between 3% to 6% of the fair value, depending on the size of the impaired loan), is charged off against the allowance for loan losses. Non-accrual impaired loans, including TDRs, are not returned to accrual status unless the unpaid interest has been brought current and full repayment of the recorded balance is expected or if the borrower has made six consecutive monthly payments of the scheduled amounts due, and TDRs are reviewed for continued impairment until they are no longer reported as TDRs.

59

As of March 31, 2021, recorded investment in non-accrual loans was $94.4 million. As of December 31, 2020, recorded investment in impaired loans totaled $95.4 million and was comprised of non-accrual loans of $67.7 million and accruing TDRs of $27.7 million. For non-accrual loans, the amounts previously charged off represent 15.1% of the contractual balances for non-accrual loans as of March 31, 2021. For impaired loans, the amounts previously charged off represent 7.1% as of December 31, 2020, of the contractual balances for impaired loans. As of March 31, 2021, $56.1 million, or 59.4%, of the $94.4 million of non-accrual loans were secured by real estate compared to $44.6 million, or 65.9%, of the $67.7 million of non-accrual loans that were secured by real estate as of December 31, 2020. 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 March 31, 2021, $10.7 million of the $147.3 million allowance for loan losses was allocated for non-accrual loans and $136.6 million was allocated to the general allowance. As of December 31, 2020, $6.4 million of the $166.5 million allowance for loan losses was allocated for impaired loans and $160.1 million was allocated to the general allowance.

The allowance for loan losses to non-performing loans was 152.5% as of March 31, 2021, compared to 229.2% as of December 31, 2020, primarily due to an increase in the non-accrual loans. Non-accrual loans also include those TDRs that do not qualify for accrual status.

The following table presents non-accrual loans and the related allowance as of March 31, 2021:

	March 31, 2021
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance
Commercial loans	$	30,111	$	18,534	$	—
Real estate construction loans		5,776		4,189		—
Commercial mortgage loans		27,867		27,199		—
Residential mortgage loans and equity lines		9,205		8,545		—
Subtotal	$	72,959	$	58,467	$	—
With allocated allowance
Commercial loans	$	19,864	$	19,817	$	5,559
Commercial mortgage loans		16,233		16,162		5,133
Subtotal	$	36,097	$	35,979	$	10,692
Total non-accrual loans	$	109,056	$	94,446	$	10,692

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In connection with the adoption of ASU 2016-13, the Company no longer provides information on impaired loans. The following table presents impaired loans and the related allowance as of December 31, 2020:

	December 31, 2020
	Unpaid Principal Balance		Recorded Investment		Allowance
				(In thousands)
With no allocated allowance
Commercial loans	$	23,784	$	20,698	$	—
Real estate construction loans		5,776		4,286		—
Commercial mortgage loans		22,877		22,287		—
Residential mortgage loans and equity lines		6,379		6,307		—
Subtotal	$	58,816	$	53,578	$	—
With allocated allowance
Commercial loans	$	13,703	$	6,372	$	1,030
Commercial mortgage loans		31,134		31,003		5,254
Residential mortgage loans and equity lines		5,005		4,452		145
Subtotal	$	49,842	$	41,827	$	6,429
Total impaired loans	$	108,658	$	95,405	$	6,429

Loan Interest Reserves

In accordance with customary banking practice, we originate construction loans and land development loans 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 March 31, 2021, construction loans of $497.6 million were disbursed with pre-established interest reserves of $51.3 million, compared to $643.5 million with pre-established interest reserves of $71.0 million at December 31, 2020.  The balance for construction loans with interest reserves that have been extended was $50.1 million with pre-established interest reserves of $1.3 million at March 31, 2021, compared to $127.0 million with pre-established interest reserves of $4.4 million at December 31, 2020.  Land loans of $38.2 million were disbursed with pre-established interest reserves of $4.8 million at March 31, 2021, compared to $24.7 million of land loans disbursed with pre-established interest reserves of $486 thousand at December 31, 2020.  The balance for land loans with interest reserves that have been extended was $942 thousand at March 31, 2021 with pre-established interest reserves of $58 thousand, compared to $942 thousand in land loans with pre-established interest reserves of $58 thousand at December 31, 2020. 

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At March 31, 2021 and December 31, 2020, the Bank had no loans on non-accrual status with available interest reserves.  At March 31, 2021 and December 31, 2020, $4.2 million and $4.3 million of non-accrual non-residential construction loans had been originated with pre-established interest reserves, respectively.  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 customers 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 customers in Hong Kong. The Company has no specific industry concentration, and generally its 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 March 31, 2021, or as of December 31, 2020.

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 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) 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. Total loans for construction, land development, and other land represented 34% of the Bank’s total risk-based capital as of March 31, 2021, and 35% as of December 31, 2020. Total CRE loans represented 271% of total risk-based capital as of March 31, 2021, and 273% as of December 31, 2020 and were below the Bank’s internal limit for CRE loans of 400% of total capital at both dates.

Allowance for Credit Losses

The Bank maintains the allowance for credit losses at a level that the Bank considers appropriate to absorb 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 the reserve for off-balance sheet unfunded credit commitments. With this risk management objective, the Bank’s management has an established monitoring system that it believes 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.

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In addition, the Bank’s Board of Directors has established a written credit policy that includes a credit review and control system that the Board of Directors 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 to the allowance for credit losses are made by charges 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 in future periods.

The allowance for loan losses was $147.3 million and the allowance for off-balance sheet unfunded credit commitments was $5.0 million at March 31, 2021, which represented the amount believed by management to be appropriate to absorb credit losses inherent in the loan portfolio, including unfunded credit commitments. The $147.3 million allowance for loan losses at March 31, 2021, decreased $19.8 million, or 11.8%, from $167.1 million as of January 1, 2021. The allowance for loan losses represented 0.94% of period-end gross loans and 152.47% of non-performing loans at March 31, 2021. The comparable ratios were 1.06% of period-end gross loans and 229.18% of non-performing loans at December 31, 2020.

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 relate 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 our Annual Report on Form 10-K for the year ended December 31, 2020 as filed with the SEC. For more information, please also see Note 2 to the Company's unaudited Condensed Consolidated Financial Statements.

Expected Credit Losses Estimate for Loans

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

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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 effective January 1, 2021, see Notes 2 and 3 to the unaudited Condensed Consolidated Financial Statements contained in "Item 1. Condensed Consolidated Financial Statements."

In calculating our allowance for credit losses in the first quarter of 2021, the improvement in Moody’s forecast of future GDP, unemployment rates, commercial real estate and home price indexes, resulted in a significant decrease in the ACL. For example, the forecasted unemployment rate decreased from 6.8% in Moody’s December 2020 economic forecast to 5.0% in Moody’s March 2021 economic forecast. 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.

The determination of the allowance for credit losses is complex and highly 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.

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.

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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 March 31,
	2021			2020
	(In thousands)
Allowance for loan losses
Balance at beginning of period	$	166,538		$	123,224
Impact of ASU 2016-13 adoption		594		$	—
Balance at January 1,		167,132			123,224
(Reversal)/provision for credit losses		(12,110	)		25,000
Charge-offs:
Commercial loans		(9,138	)		(1,321	)
Total charge-offs		(9,138	)		(1,321	)
Recoveries:
Commercial loans		1,269			1,208
Real estate loans		111			162
Total recoveries		1,380			1,370
Balance at end of period	$	147,264		$	148,273
Reserve for off-balance sheet credit commitments
Balance at beginning of period	$	5,880		$	3,855
Impact of ASU 2016-13 adoption		539			—
Allowance for loan losses, January 1,		6,419			3,855
Reversal for credit losses		(1,449	)		(842	)
Balance at end of period	$	4,970		$	3,013
Average loans outstanding during the period	$	15,691,976		$	15,213,440
Total gross loans outstanding, at period-end	$	15,651,848		$	15,534,212
Total non-performing loans, at period-end	$	96,584		$	58,264
Ratio of net recoveries/(charge-offs) to average loans outstanding during the period		(0.20	%)		0.00	%
Provision for credit losses to average loans outstanding during the period		(0.35	%)		0.64	%
Allowance for credit losses to non-performing loans, at period-end		157.62	%		259.66	%
Allowance for credit losses to gross loans, at period-end		0.97	%		0.97	%

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Prior to January 1, 2021, our allowance for loan losses consists of the following:

• Specific allowance: For impaired loans, we provide specific allowances for loans that are not collateral dependent based on an evaluation of the present value of the expected future cash flows discounted at the loan’s effective interest rate and for loans that are collateral dependent based on the fair value of the underlying collateral determined by the most recent valuation information received, which may be adjusted based on factors such as changes in market conditions from the time of valuation. If the measure of the impaired loan is less than the recorded investment in the loan, the deficiency will be charged off against the allowance for loan losses or, alternatively, a specific allocation will be established.

• General allowance: The unclassified portfolio is segmented on a group basis. Segmentation is determined by loan type and common risk characteristics. The non-impaired loans are grouped into 19 segments: two commercial segments, ten commercial real estate segments, one residential construction segment, one non-residential construction segment, one SBA segment, one installment loans segment, one residential mortgage segment, one equity lines of credit segment, and one overdrafts segment. The allowance is provided for each segmented group based on the group’s historical loan loss experience aggregated based on loan risk classifications which take into account, among other things, the current financial condition of the borrowers and guarantors, the prevailing value of the underlying collateral if collateral dependent, charge-off history, management’s knowledge of the portfolio, general economic conditions, environmental factors, trends in delinquency and non-accrual, and other significant factors, such as the national and local economy, volume and composition of the portfolio, strength of management and loan staff, underwriting standards, and concentration of credit. In addition, management reviews reports on past-due loans to check for appropriate classification.

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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:

	March 31, 2021					December 31, 2020
			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	$	44,752		18.6	%	$	68,742		18.8	%
Real estate construction loans		5,968		4.3			30,854		4.0
Commercial mortgage loans		65,689		48.2			49,205		47.8
Residential mortgage loans and equity lines		30,852		28.9			17,737		29.4
Installment and other loans		3		—			—		—
Total loans	$	147,264		100	%	$	166,538		100	%

The allowance allocated to commercial loans decreased $23.9 million, or 34.9%, to $44.8 million at March 31, 2021, from $68.7 million at December 31, 2020. The decrease is due primarily to a decrease in the allowance of $28.7 million from the adoption of ASU 2016-13 offset by a provision for loan losses of $12.6 million due in part to specific reserve for non-accrual loans and charge-offs of $7.9 million.

The allowance allocated to real estate construction loans decreased $24.9 million, or 80.7%, to $6.0 million at March 31, 2021, from $30.9 million at December 31, 2020. The decrease is due primarily to a decrease in the allowance of $25.3 from the adoption of ASU 2016-13.

The allowance allocated to commercial mortgage loans increased $16.5 million, or 33.5%, to $65.7 million at March 31, 2021, from $49.2 million at December 31, 2020. The increase is due primarily to an increase in the allowance of $35.3 million from the adoption of ASU 2016-13 offset by a reversal for loan losses of $18.9 million related to the improvements in macro-economic conditions in the first quarter.

The allowance allocated for residential mortgage loans increased by $13.2 million, or 74.0%, to $30.9 million as of March 31, 2021, from $17.7 million at December 31, 2020. The increase is due primarily to an increase in the allowance of $19.3 million from the adoption of ASU 2016-13 offset by a reversal for loan losses of $6.3 million related to improvements in macro-economic conditions in the first quarter.

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Deposits

Total deposits were $16.4 billion at March 31, 2021, an increase of $244.2 million, or 1.5%, from $16.1 billion at December 31, 2020. The following table sets forth the deposit mix as of the dates indicated:

	March 31, 2021					December 31, 2020
	Amount		Percentage			Amount		Percentage
Deposits	(In thousands)
Non-interest-bearing demand deposits	$	3,495,775		21.4	%	$	3,365,086		20.9	%
Interest bearing demand deposits		1,915,822		11.7			1,926,135		12.0
Money market deposits		3,808,794		23.3			3,359,191		20.8
Savings deposits		911,210		5.6			785,672		4.9
Time deposits		6,222,032		38.0			6,673,317		41.4
Total deposits	$	16,353,633		100.0	%	$	16,109,401		100.0	%

The following table sets forth the maturity distribution of time deposits at March 31, 2021:

	At March 31, 2021
	Time Deposits -under $100,000			Time Deposits -$100,000 and over			Total Time Deposits
	(In thousands)
Less than three months	$	310,743		$	984,501		$	1,295,244
Three to six months		291,939			1,309,909			1,601,848
Six to twelve months		550,999			2,627,169			3,178,168
Over one year		66,447			80,325			146,772
Total	$	1,220,128		$	5,001,904		$	6,222,032
Percent of total deposits		7.5	%		30.6	%		38.1	%

Borrowings

Borrowings include federal funds purchased, funds obtained as advances from the Federal Home Loan Bank (“FHLB”) of San Francisco, and borrowings from other financial institutions.

Borrowings from the FHLB – There were no over-night borrowings from the FHLB as of March 31, 2021, and December 31, 2020. Advances from the FHLB were $75.0 million at an average rate of 2.26% as of March 31, 2021, compared to $150.0 million at an average rate of 2.15% as of December 31, 2020. As of March 31, 2021, FHLB advances of $5.0 million will mature in May 2021, $50.0 million in June 2021, and $20.0 million in May 2023.

Junior Subordinated Notes – At March 31, 2021, Junior Subordinated Notes totaled $119.1 million with a weighted average interest rate of 2.3%, compared to $119.1 million with a weighted average rate of 2.40% at December 31, 2020. The Junior Subordinated Notes have a stated maturity term of 30 years. The trusts are not consolidated with the Company in accordance with an accounting pronouncement that took effect in December 2003.

For additional information, see Note 11 to the Company’s unaudited Condensed Consolidated Financial Statements.

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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 March 31, 2021. 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	$	6,075,260	$	146,323	$	436	$	13	$	6,222,032
Advances from the Federal Home Loan Bank		55,000		20,000		—		—		75,000
Other borrowings		—		—		—		23,333		23,333
Long-term debt		—		—		—		119,136		119,136
Operating leases		9,606		16,440		7,829		4,605		38,480
Total contractual obligations and other commitments	$	6,139,866	$	182,763	$	8,265	$	147,087	$	6,477,981

In the normal course of business, we enter into various transactions, which, in accordance with U.S. generally accepted accounting principles, are not included in our Condensed Consolidated Balance Sheets. We enter into these transactions to meet the financing needs of our customers. 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 Condensed 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 customers maintaining specific credit standards at the time of loan funding. We seek to 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 customer to a third party. In the event the customer 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 customer. Our policies generally require that standby letter of credit arrangements contain security and debt covenants similar to those contained in loan agreements.

Capital Resources

Total equity was $2.46 billion as of March 31, 2021, an increase of $45.1 million, from $2.42 billion as of December 31, 2020, primarily due to net income of $73.4 million, and proceeds from dividend reinvestment of $868 thousand, and partially offset by common stock cash dividends of $24.6 million, decreases in other comprehensive income of $3.6 million, and cumulative effect of changes in accounting principles of $0.8 million.

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The following table summarizes changes in total equity for the three months ended March 31, 2021:

	Three months ended
	March 31, 2021
	(In thousands)
Net income	$	73,384
Cumulative effect of change in accounting principle related to ASC 326, net of tax		(798	)
Proceeds from shares issued through the Dividend Reinvestment Plan		868
RSUs distributed		1
Shares withheld related to net share settlement of RSUs		(1,279	)
Share-based compensation		1,243
Cash dividends paid to common stockholders		(24,650	)
Other comprehensive income		(3,624	)
Net increase in total equity	$	45,145

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Capital Adequacy Review

Management seeks to maintain the Company’s 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 March 31, 2021 and December 31, 2020 for Bancorp and the Bank under the Basel III Capital Rules. The Basel III Capital Rules became fully phased-in on January 1, 2019. 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 2020 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
March 31, 2021	(In thousands)
Common Equity Tier 1 to Risk-Weighted Assets
Cathay General Bancorp	$	2,066,900		14.00	$	1,033,256		7.00	$	959,452		6.50
Cathay Bank		2,097,197		14.22		1,032,284		7.00		958,550		6.50
Tier 1 Capital to Risk-Weighted Assets
Cathay General Bancorp		2,066,900		14.00		1,254,668		8.50		1,180,864		8.00
Cathay Bank		2,097,197		14.22		1,253,488		8.50		1,179,754		8.00
Total Capital to Risk-Weighted Assets
Cathay General Bancorp		2,334,634		15.82		1,549,884		10.50		1,476,080		10.00
Cathay Bank		2,249,431		15.25		1,548,427		10.50		1,474,692		10.00
Leverage Ratio
Cathay General Bancorp		2,066,900		11.11		744,202		4.00		930,253		5.00
Cathay Bank		2,097,197		11.29		742,870		4.00		928,588		5.00

	Actual				Minimum Capital Required - Basel III				Required to be Considered Well Capitalized
	Capital Amount		Ratio		Capital Amount		Ratio		Capital Amount		Ratio
December 31, 2020	(In thousands)
Common Equity Tier 1 to Risk-Weighted Assets
Cathay General Bancorp	$	2,016,448		13.53	$	1,042,967		7.00	$	968,470		6.50
Cathay Bank		2,059,056		13.83		1,041,911		7.00		967,489		6.50
Tier 1 Capital to Risk-Weighted Assets
Cathay General Bancorp		2,016,448		13.53		1,266,460		8.50		1,191,963		8.00
Cathay Bank		2,059,056		13.83		1,265,178		8.50		1,190,755		8.00
Total Capital to Risk-Weighted Assets
Cathay General Bancorp		2,304,366		15.47		1,564,451		10.50		1,489,953		10.00
Cathay Bank		2,231,474		14.99		1,562,866		10.50		1,488,444		10.00
Leverage Ratio
Cathay General Bancorp		2,016,448		10.94		737,382		4.00		921,727		5.00
Cathay Bank		2,059,056		11.19		736,317		4.00		920,396		5.00

As of March 31, 2021, 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 March 31, 2021 at Bancorp and the Bank exceed the minimum levels necessary to be considered “well capitalized.”

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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. 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. We increased the common stock dividend from $0.21 per share in the fourth quarter of 2016, to $0.24 per share in the fourth quarter of 2017, and to $0.31 per share in the fourth quarter of 2018.

The Company declared a cash dividend of $0.31 per share on 79,514,076 shares outstanding on March 1, 2021, for distribution to holders of our common stock on March 11, 2021. The Company paid total cash dividends of $24.6 million in the first quarter of 2021.

Financial Derivatives

It is our policy not to speculate on the future direction of interest rates. However, from time to time, we may enter into financial derivatives in order to seek mitigation of exposure to interest rate risks related to our interest-earning assets and interest-bearing liabilities. We believe 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, we may enter into interest rate swap contracts or other types of financial derivatives. Prior to considering any hedging activities, we seek to analyze the costs and benefits of the hedge in comparison to other viable alternative strategies. All hedges must be approved by 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 Condensed 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 customers. When derivative transactions are executed with its customers, 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 Condensed 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 customers 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.

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In May 2014, the 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 the 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. As of March 31, 2021, and 2020, the ineffective portion of these interest rate swaps was not significant. The notional amount and net unrealized loss of the Company’s cash flow derivative financial instruments as of March 31, 2021, and December 31, 2020, were as follows:

	March 31, 2021			December 31, 2020
Cash flow swap hedges:	(In thousands)
Notional	$	119,136		$	119,136
Weighted average fixed rate-pay		2.61	%		2.61	%
Weighted average variable rate-receive		0.19	%		0.44	%
Unrealized loss, net of taxes (1)	$	(5,627	)	$	(6,890	)

	Three months ended
	March 31, 2021		March 31, 2020
Periodic net settlement of swaps (2)	$	711	$	255

(1)-Included in other comprehensive income.

(2)-the amount of periodic net settlement of interest rate swaps was included in interest expense.

73

As of March 31, 2021, the Bank’s outstanding interest rate swap contracts had a notional amount of $819.8 million for various terms from three to ten years. The Bank entered into these interest rate swap contracts that are matched to fixed-rate commercial real estate loans in the Bank’s loan portfolio. 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 March 31, 2021, and 2020, the ineffective portion of these interest rate swaps was not significant. The notional amount and net unrealized loss of the Company’s fair value derivative financial instruments as of March 31, 2021, and December 31, 2020, were as follows:

	March 31, 2021			December 31, 2020
Fair value swap hedges:	(In thousands)
Notional	$	819,820		$	478,266
Weighted average fixed rate-pay		3.26	%		4.56	%
Weighted average variable rate spread		1.70	%		2.46	%
Weighted average variable rate-receive		1.82	%		3.11	%
Net unrealized loss (1)	$	(10,735	)	$	(15,082	)

	Three months ended
	March 31, 2021			March 31, 2020
Periodic net settlement of SWAPs (2)	$	(2,387	)	$	(643	)

(1)-the amount is included in other non-interest income.

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

The Company has designated as a partial-term hedging election $375.0 million notional as last-of-layer hedge on a pool of loans with a notational value of $779.3 million as of March 31, 2021. 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 a pay-fixed and receive 1-Month LIBOR interest rate swap to convert the last-of-layer $375.0 million portion of a $779.3 million fixed rate loan tranche in order to reduce the Company’s exposure to higher interest rates for the last-of-layer tranche. As of March 31, 2021, the last-of-layer loan tranche had a fair value basis adjustment of $809 thousand. 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. The 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. Cash posted as collateral by the Bancorp related to derivative contracts totaled $10.0 million as of March 31, 2021 and $11.9 million as of December 31, 2020.

74

The Company from time to time 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 Condensed 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 March 31, 2021, and December 31, 2020, were as follows:

	March 31, 2021			December 31, 2020
Derivative financial instruments not designated as hedging instruments:	(In thousands)
Notional amounts:
Spot, forward, and swap contracts with positive fair value	$	154,340		$	151,244
Spot, forward, and swap contracts with negative fair value	$	96,119		$	132,813
Fair value:
Spot, forward, and swap contracts with positive fair value	$	2,891		$	4,658
Spot, forward, and swap contracts with negative fair value	$	(2,550	)	$	(2,200	)

Liquidity

Liquidity is our ability to maintain sufficient cash flow to meet maturing financial obligations and customer 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 March 31, 2021, our average monthly liquidity ratio (defined as net cash plus short-term and marketable securities to net deposits and short-term liabilities) was 15.5% compared to 14.7% as of December 31, 2020.

The Bank is a shareholder of the FHLB, which enables the Bank to have access to lower-cost FHLB financing when necessary. At March 31, 2021, the Bank had an approved credit line with the FHLB of San Francisco totaling $4.8 billion. Total advances from the FHLB of San Francisco were $75.0 million and standby letter of credits issued by the FHLB on the Company’s behalf were $610.8 million as of March 31, 2021. These borrowings bear fixed rates and are secured by the Bank’s loans. See Note 11 to the Condensed Consolidated Financial Statements. At March 31, 2021, the Bank pledged $911 thousand of its commercial loans and $2.2 million of securities to the Federal Reserve Bank’s Discount Window under the Borrower-in-Custody program. The Bank had borrowing capacity of $2.9 million from the Federal Reserve Bank Discount Window at March 31, 2021.

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 March 31, 2021, investment securities totaled $0.9 billion, with $21.0 million pledged as collateral for borrowings and other commitments. The remaining $0.9 billion was available as additional liquidity or to be pledged as collateral for additional borrowings.

Approximately 98% of our time deposits mature within one year or less as of March 31, 2021. 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 March 31, 2021, management believes all the above-mentioned sources will provide adequate liquidity during the next twelve months for the Bank to meet its operating needs. Deposits and other sources of liquidity, however, may be adversely impacted by the COVID-19 pandemic.

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 $40.0 million and $36.0 million during the first quarter of 2021 and 2020, respectively.

75

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, so as 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.

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, customer 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 March 31, 2021:

	Net Interest		Market Value
	Income		of Equity
Change in Interest Rate (Basis Points)	Volatility (1)		Volatility (2)
+200		16.6		10.5
+100		7.8		5.2
-100		-1.3		-7.0
-200		-1.5		-7.2

(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.
(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.

76

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 first quarter of 2021 that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting.

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.

77

Item 1A.   RISK FACTORS.

The Company is not aware of any material change to the risk factors as previously disclosed in Part I, Item 1A, of the Company’s Annual Report on Form 10-K for the year ended December 31, 2020. In addition to 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 Annual Report on Form 10-K for the year ended December 31, 2020, which could materially and adversely affect the Company’s business, financial condition, results of operations and stock price. The risk factors disclosed in the Annual Report on Form 10-K 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.

78

79

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

Issuer Purchases of Equity Securities
Period	(a) Total Number of Shares (or Units) Purchased	(b) Average Price Paid per Share (or Unit)	(c) Total Number of Shares (or Units) Purchased as Part of Publicly Announced Plans or Programs	(d) Maximum Number (or Approximate Dollar Value) of Shares (or Units) that May Yet Be Purchased Under the Plans or Programs
(January 1, 2021 - January 31, 2021)	0	$0.00	0	$0
(February 1, 2021 - February 28, 2021)	0	$0.00	0	$0
(March 1, 2021 - March 31, 2021)	0	$0.00	0	$0
Total	0	$0.00	0	$0

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.”

80

Item 3.         DEFAULTS UPON SENIOR SECURITIES.

Not applicable.

Item 4.         MINE SAFETY DISCLOSURES.

Not applicable.

Item 5.         OTHER INFORMATION.

None.

Item 6.         EXHIBITS.

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.+
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	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.

81

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: May 7, 2021
	/s/ Chang M. Liu
	Chang M. Liu President and Chief Executive Officer
Date: May 7, 2021
	/s/ Heng W. Chen
	Heng W. Chen Executive Vice President and Chief Financial Officer

82

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: May 7, 2021

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: May 7, 2021

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 March 31, 2021 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: May 7, 2021

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 March 31, 2021 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

Executive Vice President and

Chief Financial Officer

Date: May 7, 2021

XML

Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2021	Apr. 30, 2021
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	Q1
Document Fiscal Year Focus	2021
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2021
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		79,669,529

XML

Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets
Cash and due from banks	$ 141,885	$ 138,616
Short-term investments and interest-bearing deposits	1,612,411	1,282,462
Securities available-for-sale (amortized cost of $898,463 at March 31, 2021 and $1,019,230 at December 31, 2020)	908,844	1,036,550
Loans	15,651,848	15,644,396
Less: Allowance for loan losses	(147,264)	(166,538)
Unamortized deferred loan fees, net	(6,872)	(2,494)
Loans, net	15,497,712	15,475,364
Equity securities	20,993	23,744
Federal Home Loan Bank stock	17,250	17,250
Other real estate owned, net	4,918	4,918
Affordable housing investments and alternative energy partnerships, net	296,229	309,016
Premises and equipment, net	101,864	102,998
Customers’ liability on acceptances	4,125	13,753
Accrued interest receivable	58,216	59,032
Goodwill	372,189	372,189
Other intangible assets, net	5,249	5,434
Right-of-use assets - operating leases	32,927	30,919
Other assets	155,377	170,889
Total assets	19,230,189	19,043,134
Deposits:
Non-interest-bearing demand deposits	3,495,775	3,365,086
Interest-bearing deposits:
NOW deposits	1,915,822	1,926,135
Money market deposits	3,808,794	3,359,191
Savings deposits	911,210	785,672
Time deposits	6,222,032	6,673,317
Total deposits	16,353,633	16,109,401
Advances from the Federal Home Loan Bank	75,000	150,000
Other borrowings of affordable housing investments	23,333	23,714
Long-term debt	119,136	119,136
Acceptances outstanding	4,125	13,753
Lease liabilities - operating leases	35,803	33,484
Other liabilities	155,870	175,502
Total liabilities	16,766,900	16,624,990
Commitments and contingencies	0	0
Stockholders’ Equity
Common stock, $0.01 par value, 100,000,000 shares authorized; 90,729,966 issued and 79,595,025 outstanding at March 31, 2021, and 90,643,206 issued and 79,508,265 outstanding at December 31, 2020	907	906
Additional paid-in-capital	965,566	964,734
Accumulated other comprehensive income, net	1,686	5,310
Retained earnings	1,837,261	1,789,325
Treasury stock, at cost (11,134,941 shares at March 31, 2021, and 11,134,941 shares at December 31, 2020)	(342,131)	(342,131)
Total equity	2,463,289	2,418,144
Total liabilities and equity	$ 19,230,189	$ 19,043,134

XML

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Securities available-for-sale, amortized cost	$ 898,463	$ 1,019,230
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)	90,729,966	90,643,206
Common stock, shares outstanding (in shares)	79,595,025	79,508,265
Treasury stock shares (in shares)	11,134,941	11,134,941

XML

Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Interest and Dividend Income
Loans receivable, including loan fees	$ 159,721	$ 177,870
Investment securities	3,067	7,610
Federal Home Loan Bank stock	217	305
Deposits with banks	315	951
Total interest and dividend income	163,320	186,736
Interest Expense
Time deposits	14,009	35,155
Other deposits	5,594	7,991
Advances from Federal Home Loan Bank	475	1,552
Long-term debt	1,424	1,440
Deferred payments from acquisition	0	58
Short-term borrowings	0	229
Total interest expense	21,502	46,425
Net interest income before provision for credit losses	141,818	140,311
Provision for credit losses	13,558	(25,000)
Net interest income after provision for credit losses	155,376	115,311
Non-Interest Income
Net losses from equity securities	(2,752)	(6,102)
Securities losses, net	853	6
Letters of credit commissions	1,690	1,640
Depository service fees	1,363	1,298
Other operating income	8,846	8,944
Total non-interest income	10,000	5,786
Non-Interest Expense
Salaries and employee benefits	32,722	30,939
Occupancy expense	5,046	5,177
Computer and equipment expense	3,271	2,593
Professional services expense	4,710	5,145
Data processing service expense	3,655	3,666
FDIC and regulatory assessments	1,925	2,415
Marketing expense	2,882	1,886
Other real estate owned expense/(income)	94	(4,104)
Amortization of investments in low income housing and alternative energy partnerships	11,570	13,890
Amortization of core deposit intangibles	172	172
Costs associated with debt redemption	732	0
Other operating expense	4,624	3,375
Total non-interest expense	71,403	65,154
Income before income tax expense	93,973	55,943
Income tax expense	20,589	9,091
Net income	73,384	46,852
Other Comprehensive Income, net of tax
Unrealized holding (losses)/gains on securities available-for-sale	(4,887)	11,853
Unrealized holding gains/(losses) on cash flow hedge derivatives	1,263	(4,278)
Total other comprehensive (loss)/gain, net of tax	(3,624)	7,575
Total other comprehensive income	$ 69,760	$ 54,427
Net Income Per Common Share:
Basic (in dollars per share)	$ 0.92	$ 0.59
Diluted (in dollars per share)	0.92	0.59
Cash dividends paid per common share (in dollars per share)	$ 0.31	$ 0.31
Average Common Shares Outstanding:
Basic (in shares)	79,530,777	79,588,076
Diluted (in shares)	79,832,305	79,830,025

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Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands		Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock Outstanding [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Treasury Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock Outstanding [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Dec. 31, 2019								79,729,419
Beginning balance, loss, net of tax at Dec. 31, 2019								$ 900	$ 950,466	$ 2,302	$ 1,659,153	$ (318,538)	$ 2,294,283
Dividend Reinvestment Plan (in shares)								39,665
Dividend Reinvestment Plan								$ 1	845	0	0	0	846
Restricted stock units vested (in shares)								51,183
Restricted stock units vested								$ 1	0	0	0	0	1
Shares withheld related to net share settlement of RSUs								0	(523)	0	0	0	(523)
Stock -based compensation								0	1,543	0	0	0	1,543
Cash dividends								0	0	0	(24,660)	0	(24,660)
Other comprehensive income (loss)								0	0	7,575	0	0	7,575
Net income								$ 0	0	0	46,852	0	46,852
Purchases of treasury stock (in shares)								(400,000)
Purchases of treasury stock								$ 0	0	0	0	(12,880)	(12,880)
Balance (in shares) at Mar. 31, 2020								79,420,267
Ending balance, loss, net of tax at Mar. 31, 2020								$ 902	952,331	9,877	1,681,345	(331,418)	2,313,037
Balance (in shares) (Accounting Standards Update 2016-13 [Member]) at Dec. 31, 2020	[1]	0
Balance (in shares) at Dec. 31, 2020								79,508,265
Beginning balance, loss, net of tax (Accounting Standards Update 2016-13 [Member]) at Dec. 31, 2020	[1]	$ 0	$ 0	$ 0	$ (798)	$ 0	$ (798)
Beginning balance, loss, net of tax at Dec. 31, 2020								$ 906	964,734	5,310	1,789,325	(342,131)	2,418,144
Dividend Reinvestment Plan (in shares)								20,036
Dividend Reinvestment Plan								$ 0	868	0	0	0	868
Restricted stock units vested (in shares)								66,724
Restricted stock units vested								$ 1	0	0	0	0	1
Shares withheld related to net share settlement of RSUs								0	(1,279)	0	0	0	(1,279)
Stock -based compensation								0	1,243	0	0	0	1,243
Cash dividends								0	0	0	(24,650)	0	(24,650)
Other comprehensive income (loss)								0	0	(3,624)	0	0	(3,624)
Net income								$ 0	0	0	73,384	0	73,384
Balance (in shares) at Mar. 31, 2021								79,595,025
Ending balance, loss, net of tax at Mar. 31, 2021								$ 907	$ 965,566	$ 1,686	$ 1,837,261	$ (342,131)	$ 2,463,289

[1] See "Accounting Standards Adopted in 2021" in Note 3 Recent Accounting Pronouncements, ASU 2016-13, Financial Instruments - Credit Losses (Topic 326).

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Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Retained Earnings [Member]
Cash dividends (in dollars per share)	$ 0.31	$ 0.31
Cash dividends (in dollars per share)	$ 0.31	$ 0.31

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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Cash Flows from Operating Activities
Net income	$ 73,384	$ 46,852
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	(13,558)	25,000
Provision for losses on other real estate owned	0	336
Deferred tax provision	6,135	(149)
Depreciation and amortization	2,044	1,797
Amortization of right-of-use asset	2,221	2,115
Change in operating lease liabilities	2,319	(1,083)
Net gains on sale and transfer of other real estate owned	0	(4,538)
Net gains on sale of loans	(289)	(3)
Proceeds from sales of loans	6,345	239
Originations of loans held for sale	(6,056)	(236)
Amortization on alternative energy partnerships, venture capital and other investments	11,641	13,923
Net gain on sales and calls of securities	(853)	(6)
Amortization/accretion of security premiums/discounts, net	2,282	1,676
Loss on sales or disposal of fixed assets	22	0
Unrealized loss on equity securities	2,752	6,102
Stock based compensation and stock issued to officers as compensation	1,243	1,543
Net change in accrued interest receivable and other assets	11,863	4,126
Net change in other liabilities	(9,924)	(2,661)
Net cash provided by operating activities	91,571	95,033
Cash Flows from Investing Activities
Purchase of investment securities available-for-sale	(50,450)	(89,989)
Proceeds from sale of investment securities available-for-sale	21,102	74,935
Proceeds from sale of equity securities	0	3,113
Proceeds from repayments, maturities and calls of investment securities available-for-sale	148,685	126,878
Redemptions of Federal Home Loan Bank stock	0	840
Net increase in loans	(15,246)	(458,616)
Purchase of premises and equipment	(760)	(867)
Proceeds from sales of other real estate owned	0	881
Net increase in investment in affordable housing and alternative energy partnerships	(5,950)	(18,696)
Net cash used for investing activities	97,381	(361,521)
Cash Flows from Financing Activities
Net increase in deposits	244,327	397,669
Advances from Federal Home Loan Bank	50,000	1,065,000
Repayment of Federal Home Loan Bank borrowings	(125,000)	(1,240,000)
Cash dividends paid	(24,650)	(24,659)
Repayment of other borrowings	0	58
Purchases of treasury stock	0	(12,880)
Repayment of short-term borrowings	0	(12,785)
Proceeds from shares issued under Dividend Reinvestment Plan	868	846
Taxes paid related to net share settlement of RSUs	(1,279)	(523)
Net cash provided by financing activities	144,266	172,726
Decrease in cash, cash equivalents, and restricted cash	333,218	(93,762)
Cash, cash equivalents, and restricted cash, beginning of the period	1,421,078	593,778	$ 593,778
Cash, cash equivalents, and restricted cash, end of the period	1,754,296	500,016	$ 1,421,078
Supplemental disclosure of cash flow information
Interest	25,872	51,248
Income taxes paid	2,891	2,642
Non-cash investing and financing activities:
Net change in unrealized holding loss on securities available-for-sale, net of tax	(4,887)	11,853
Net change in unrealized holding loss on cash flow hedge derivatives	$ 1,263	$ (4,278)

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Note 1 - Business

3 Months Ended

Mar. 31, 2021

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 March 31, 2021, the Bank operates 25 branches in Southern California, 13 branches in Northern California, 10 branches in New York State, four in Washington State, three 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 - Basis of Presentation and Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Significant Accounting Policies [Text Block]

2. Basis of Presentation and Summary of Significant Accounting Policies

The accompanying unaudited Condensed 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, 2021. 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, 2020.

The preparation of the Condensed 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 Condensed Consolidated Financial Statements. Actual results could differ from those estimates. The Company expects that the most significant estimates subject to change are the allowance for loan losses.

Summary of Significant Accounting Policies

Securities Available for Sale

With the exception of the updated accounting policies listed below, the accompanying unaudited interim consolidated financial statements have been prepared on a consistent basis with the accounting policies described in Consolidated Financial Statements and Supplementary Data - Note 1 - “Summary of Significant Accounting Policies” under Part II, Item 8 of our 2020 Form 10K.

Prior to January 1, 2021, debt securities available-for-sale were measured at fair value and declines in the fair value were reviewed to determine whether the impairment was other-than-temporary. If we did not expect to recover the entire amortized cost basis of the security, then an other-than-temporary impairment (“OTTI”) was considered to have occurred. The cost basis of the security was written down to its estimated fair value and the amount of the write-down was recognized through a charge to earnings. If the amount of the amortized cost basis expected to be recovered increased in a future period, the cost basis of the security was not increased but rather recognized prospectively through interest income.

Effective January 1, 2021, upon the adoption of ASU 2016-13, 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 ("ACL") 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.

Interest income includes amortization of premiums and discounts as an adjustment of yield on a level-yield basis. Premiums on callable debt securities are amortized to their earliest call date. Gains and losses on sales are recorded on the trade date and determined using the specific identification method.

A debt security is placed on nonaccrual status at the time any principal or interest payments become delinquent by 90 days or greater. Interest accrued but not received for a security placed on non-accrual is reversed against interest income. No interest was reversed against interest income during the period.

Allowance for Credit Losses on Available for Sale Securities

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 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 and the non-credit component is recognized in other comprehensive income (loss), net of applicable taxes. 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. 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 has not been recorded through an allowance for credit losses is recognized in other comprehensive income.

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

The amortized cost of the Company’s AFS debt securities excludes accrued interest, which is included in "accrued interest receivable" on the Condensed 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.

Trading securities are reported at fair value, with unrealized gains or losses included in income.

Loans Held for Investment.

Loans receivable that the Company has the intent and ability to hold for the foreseeable future or until maturity are stated at their outstanding principal, reduced by an allowance for loan losses and net of deferred loan fees or costs on originated loans and unamortized premiums or discounts on purchased loans. Nonrefundable fees and direct costs associated with the origination or purchase of loans are deferred and netted against outstanding loan balances. The deferred net loan fees and costs are recognized in interest income as an adjustment to yield over the loan term using the effective interest method or straight-line method. Discounts or premiums on purchased loans are accreted or amortized to interest income using the effective interest method or straight-line method over the remaining period to contractual maturity. Interest on loans is calculated using the simple-interest method on daily balances of the principal amounts outstanding based on an actual or 360-day basis.

Generally, loans are placed on nonaccrual status when they become 90 days past due. Loans are considered past due when contractually required principal or interest payments have not been made on the due dates. Loans are also placed on nonaccrual status when management believes, after considering economic and business conditions and collection efforts, that the borrower’s financial condition is such that full collection of principal or interest becomes uncertain, regardless of the length of past due status. Once a loan is placed on nonaccrual status, interest accrual is discontinued, and all unpaid accrued interest is reversed against interest income. As a result, accrued interest receivable does not carry a credit loss reserve. Interest payments received on nonaccrual loans are reflected as a reduction of principal and not as interest income. A loan is returned to accrual status when the borrower has demonstrated a satisfactory payment trend subject to management’s assessment of the borrower’s ability to repay the loan.

Loans Held for Sale

Held for sale loans are carried at the lower of aggregate cost or fair value. Gains and losses are recorded in non-interest income based on the difference between sales proceeds, net of sales commissions, and carrying value. When a determination is made at the time of commitment to originate or purchase loans as held-for-investment, it is the Company’s intent to hold these loans to maturity or for the “foreseeable future,” subject to periodic review under the Company’s management evaluation processes, including asset/liability management. When the Company subsequently changes its intent to hold certain loans, the loans are transferred from the loans held-for-investment portfolio at amortized cost to the loans held-for-sale portfolio at lower of aggregate cost or fair value and the existing ACL on the loans transferred is reversed.

Allowance for Credit Losses on Loans Held for Investment.          

Effective January 1, 2021, and upon the adoption of ASU 2016-13, the Company replaced the incurred loss accounting approach with the current expected credit loss (“CECL”) approach for financial instruments measured at amortized cost and other commitments to extend credit. CECL requires the immediate recognition of estimated credit losses expected to occur over the estimated remaining life of the asset. The forward-looking concept of CECL requires loss estimates to consider historical experience, current conditions and reasonable and supportable economic forecasts of future events and circumstances.

The ACL on loans held for investment 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 Condensed 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 Condensed Consolidated Balance Sheets. The "Provision for credit losses" on the Condensed 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 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. 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. When loans do not share similar risk characteristics, the Company would evaluate the loan for expected credit losses on an individual basis. 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 three different loan valuation methods: (1) the present value of the expected future cash flows of the individually evaluated loan discounted at the loan’s original effective interest rate, (2) the observable market price of the individually evaluated loan or (3) if the Company intends to foreclose on the collateral securing the loan, the fair value of the collateral of a collateral-dependent loan less costs of sale. For loans that are not collateral-dependent, the Company will use the present value of future cash flows or the market value of the loan.

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 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, commercial real estate prices and residential mortgage prices, to historical credit performance for each of the six loan portfolios from 2009 to 2019. Loss given default rates would be computed based on the net charge-offs recognized divided by the expected exposure at default of defaulted loans starting with the first quarter of 2009 to 2019. 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 ACL. Both the econometric regression models and the expected exposure of default will be updated annually.

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 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 either of the following applies: (i) management has a reasonable expectation at the reporting date that a troubled debt restructuring will be executed with an individual borrower or (ii) 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 (“HELOC’s”) and cash-secured loans, which were 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.

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-US residents, and the higher risk characteristics of purchased syndicated loans. Current and forecasted economic trends and underlying market values for collateral dependent loans are considered to be included within the econometric models described above.

The 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 reasonable and supportable forecast and reversion periods; estimating expected utilization rates on unfunded loan commitments; and assessing relevant and appropriate qualitative factors. In addition, the CECL methodology is dependent on economic forecasts which are inherently imprecise and will change from period to period. Although the allowance for credit losses is considered 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 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. 

Individually Evaluated Loans 

Loans that do not share similar risk characteristics with other financial assets are individually evaluated for impairment and excluded from loan pools used within the collective evaluation of estimated credit losses. We defined the following criteria for what constitutes a “default”, which results in a loan no longer sharing similar risk characteristics with other loans, and therefore requires an individual evaluation for expected credit losses. The criteria for default may include any one of the following: on nonaccrual status, modified under a troubled debt restructuring, or payment delinquency of 90 days or more.

Impaired Loans

Prior to January 1, 2021, a loan or lease was considered impaired when it was probable that we would be unable to collect all amounts due according to the contractual terms of the loan or lease agreement. The measurement of impairment may be based on (1) the present value of the expected future cash flows of the impaired loan discounted at the loan’s original effective interest rate, (2) the observable market price of the impaired loan or (3) the fair value of the collateral of a collateral-dependent loan. The amount by which the recorded investment in the loan exceeds the measure of the impaired loan is recognized by recording a valuation allowance with a corresponding charge to the provision for loan losses. When loans are placed on an impaired status, previously accrued but unpaid interest is reversed against current income and subsequent payments received are generally first applied toward the outstanding principal balance of the loan.

Troubled Debt Restructured Loan (“TDR”)

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 reduction in the stated interest rate, reduction in the loan balance or accrued interest, or extension of the maturity date. Although these loan modifications are considered TDRs, TDR loans that have, pursuant to the Bank’s policy, performed under the restructured terms and have demonstrated sustained performance under the modified terms for six months are returned to accrual status. The sustained performance considered by management pursuant to its policy includes 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 restructure to set up interest reserves. Loans classified as TDRs are reported as individually evaluated loans.

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

The Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”) as extended by the Consolidated Appropriation Act, 2021 ("CAA") permits financial institutions to suspend requirements under GAAP for loan modifications to borrowers affected by COVID-19 and is intended to provide interpretive guidance as to conditions that would constitute a short-term modification that would not meet the definition of a TDR. Such conditions include the following (i) the loan modification is made between March 1, 2020 and the earlier of January 1, 2022 or 60 days after the end of the coronavirus emergency declaration and (ii) the applicable loan was not more than 30 days past due as of December 31, 2019.

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 9 in the Notes to Condensed 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 three-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 Condensed Consolidated Balance Sheets. Changes in the allowance for unfunded commitments are included in the provision for credit losses.

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Note 3 - Recent Accounting Pronouncements

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

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

3. Recent Accounting Pronouncements

Accounting Standards Adopted in 2021

In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments.”  This update requires an entity to use a broader range of R&S forecasts, in addition to historical experience and current conditions, to develop an expected credit loss estimate, referred to as the CECL model, for financial assets and net investments that are not accounted for at fair value through net income.  Credit losses relating to available-for-sale debt securities should be recorded through an allowance for credit losses to the amount by which fair value is below amortized cost. 

The FASB issued additional ASUs containing clarifying guidance, transition relief provisions and minor updates to the original ASU. These include ASU 2018-19 (issued November 2018), ASU 2019-04 (issued April 2019), ASU 2019-05 (issued May 2019), ASU 2019-10 (issued November 2019), ASU 2019-11 (issued November 2019), ASU 2020-02 (issued February 2020) and ASU 2020-03 (issued March 2020). ASU 2016-13 and subsequent ASUs are effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. This amendment is required to be adopted using a modified retrospective approach with a cumulative-effect adjustment to beginning retained earnings, as of the beginning of the first reporting period in which the guidance is effective. 

Effective January 1, 2021, the Company adopted ASU 2016-13 and the related amendments to ASC Topic 326, Financial Instruments - Credit Losses, to replace the incurred loss accounting approach with a CECL approach for financial instruments measured at amortized cost and other commitments to extend credit. The new standard is generally intended to require earlier recognition of credit losses. While the standard changes the measurement of the allowance for credit losses, it does not change the credit risk of our lending portfolios or the ultimate losses in those portfolios.

Under the CECL approach, the standard requires immediate recognition of estimated credit losses expected to occur over the estimated remaining life of the asset. The forward-looking concept of CECL requires loss estimates to consider historical experience, current conditions and reasonable and supportable forecasts. The standard modifies the other-than-temporary impairment model for available-for-sale debt securities to require entities to record an allowance when recognizing credit losses for available-for-sale securities, rather than reducing the amortized cost of the securities by direct write-offs.

The Company adopted the new standard using the modified retrospective approach and recognized a cumulative effect adjustment to decrease retained earnings by $0.8 million, net of taxes, and increase the allowance for credit losses by $0.6 million and the reserve for unfunded loan commitments by $0.5 million without restating prior periods and applied the requirements of the new standard prospectively. There was no cumulative effect adjustment related to available-for-sale securities at adoption. The Company elected to account for accrued interest receivable separately from the amortized cost of loans and investment securities. Accrued interest receivable is included in "accrued interest receivables" on the Condensed Consolidated Balance Sheets. The Company elected the practical expedient to use the fair value of the collateral at the reporting date when determining the allowance for credit losses for a financial asset for which the repayment is expected to be provided substantially through the operation or sale of the collateral when the borrower is experiencing financial difficulty based on the entity’s assessment as of the reporting date (collateral dependent financial asset). Additionally, the Company implemented new business processes, new internal controls, and modified existing and/or implemented new internal models and tools to facilitate the ongoing application of the new standard. See Note 8. Loans for further details.

The following table sets forth the cumulative effect of the changes to the Company's unaudited Condensed Consolidated Balance Sheets at January 1, 2021, for the adoption of ASC 326:

	Balance at December 31, 2020		Adjustments Due to Adoption of ASC 326			Balance at January 1, 2021
	(In thousands)
Assets:
Allowance for credit losses on loans	$	166,538	$	594		$	167,132
Deferred tax assets		85,610		335			85,945
Liabilities:
Allowance for unfunded commitments		5,880		539			6,419
Stockholders' equity:
Retained earnings, net of tax		2,418,144		(798	)		2,417,346

In July 2017, the FASB issued ASU 2017-11, “Earnings per Share (Topic 260), Distinguishing Liabilities from Equity (Topic 480) and Derivatives and Hedging (Topic 815).” There are two parts to this update. Part I of this update addresses the complexity of accounting for certain financial instruments with down round features. Down round features are features of certain equity-linked instruments that result in the strike price being reduced on the basis of the pricing of future equity offerings. Part II of this update addresses the difficulty in navigating Topic 480, Distinguishing Liabilities from Equity, because of the existence of extensive pending content in the FASB Accounting Standards Codification. This pending content is the result of the indefinite deferral of accounting requirements about mandatorily redeemable financial instruments of certain nonpublic entities and certain mandatorily redeemable noncontrolling interests. The amendments in this update are effective for fiscal years beginning after December 15, 2020. Early adoption is permitted for all entities, including adoption in an interim period. If an entity early adopts the amendments in an interim period, any adjustments should be reflected as of the beginning of the fiscal year that includes that interim period. The amendments in part I of this update should be applied in either of the following ways: (i) Retrospectively to outstanding financial instruments with a down round feature by means of a cumulative-effect adjustment to the statement of financial position as of the beginning of the first fiscal year and interim periods in which the pending content that links to this paragraph is effective; or (ii) Retrospectively to outstanding financial instruments with a down round feature for each prior reporting period presented in accordance with the guidance on accounting changes in paragraphs 250-10-45-5 through 45-10. The amendments to Part II of this update do not require any transition guidance because those amendments do not have an accounting effect. Adoption of ASU 2017-11 did not have a material impact on the Company’s Condensed Consolidated Financial Statements.

In December 2019, the FASB issued ASU No. 2019-12, “Income Taxes (Topic 740); Simplifying the Accounting for Income Taxes.” This ASU removes specific exceptions to the general principles in Topic 740 in Generally Accepted Accounting Principles. It eliminates the need for an organization to analyze whether the following apply in a given period: exception to the incremental approach for intra-period tax allocation; exception to accounting for basis differences when there are ownership changes in foreign investments; and exception in interim period income tax accounting for year-to-date losses that exceed anticipated losses. The ASU also improves financial statement preparers’ application of income tax-related guidance and simplifies GAAP for: Franchise taxes that are partially based on income; transactions with a government that result in a step up in the tax basis of goodwill; separate financial statements of legal entities that are not subject to tax; and enacted changes in tax laws in interim periods. This ASU is effective for public business entities, for fiscal years beginning after December 15, 2020 with early adoption permitted for public business entities for periods for which financial statements have not yet been issued. Adoption of ASU 2019-12 did not have a material impact on the Company’s Condensed Consolidated Financial Statements.

In January 2020, the FASB issued ASU No. 2020-01, “'Investments—Equity Securities (Topic 321), Investments—Equity Method and Joint-Ventures (Topic 323), and Derivatives and Hedging (Topic 815). Clarifying the Interactions between Topic 321, Topic 323, and Topic 815.” This ASU is effective for public business entities for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2020. Early application is permitted, including early adoption in an interim period for public business entities for periods for which financial statements have not yet been issued. An entity should apply ASU No. 2020-01 prospectively at the beginning of the interim period that includes the adoption date. This ASU among other things clarifies that a company should consider observable transactions that require a company to either apply or discontinue the equity method of accounting under Topic 323, Investments—Equity Method and Joint Ventures, for the purposes of applying the measurement alternative in accordance with Topic 321 immediately before applying or upon discontinuing the equity method. The new ASU clarifies that, when determining the accounting for certain forward contracts and purchased options a company should not consider, whether upon settlement or exercise, if the underlying securities would be accounted for under the equity method or fair value option. Adoption of ASU 2020-01 did not have a material impact on the Company’s Condensed Consolidated Financial Statements.

Other Accounting Standards Pending Adoption

In March 2020, the FASB issued ASU No. 2020-04, “Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting.” ASU No. 2020-04 is effective for all entities as of March 12, 2020 through December 31, 2022. This ASU provides temporary optional guidance to ease the potential burden in accounting for reference rate reform. The new guidance provides optional expedients and exceptions for applying generally accepted accounting principles to contract modifications and hedging relationships, subject to meeting certain criteria, that reference LIBOR or another reference rate expected to be discontinued. The ASU is intended to help stakeholders during the global market-wide reference rate transition period. Therefore, it will be in effect for a limited time through December 31, 2022. The Company is evaluating the impact of adopting ASU 2020-02 on the Company’s Consolidated Financial Statements.

In October 2020, the FASB issued ASU 2020-08, “Codification Improvements to Subtopic 310-20, Receivables, Nonrefundable Fees and Other Costs.” ASU 2020-08 clarifies the accounting for the amortization of purchase premiums for callable debt securities with multiple call dates. ASU 2020-8 became effective for the Company on January 1, 2021, and is not expected to have a significant impact on the Company's Consolidated Financial Statements.

In January 2021, the FASB issued ASU 2021-01, “Reference Rate Reform (Topic 848): Scope.” ASU 2021-01 clarifies that certain optional expedients and exceptions in ASC 848 for contract modifications and hedge accounting apply to derivatives that are affected by the discounting transition. ASU 2021-01 also amends the expedients and exceptions in ASC 848 to capture the incremental consequences of the scope clarification and to tailor the existing guidance to derivative instruments affected by the discounting transition. ASU 2021-01 was effective upon issuance and generally can be applied through December 31, 2022. The Company is evaluating the impact of adopting ASU 2021-01 on the Company’s Consolidated Financial Statements.

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Note 4 - Cash, Cash Equivalents and Restricted Cash

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Cash and Cash Equivalents Disclosure [Text Block]

4. 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, including for purposes of reporting cash flows, consist of cash on hand, amounts due from banks, and short-term investments with original maturity of three months or less.

The Company is required to maintain reserves with the Federal Reserve Bank. Reserve requirements are based on a percentage of deposit liabilities. The average reserve balances required were zero and $60 thousand for the three months ended March 31, 2021 and for the year ended December 31, 2020, respectively. As of March 31, 2021 and December 31, 2020, the Company had $30.8 million and $34.7 million, respectively, on deposit in a cash margin account that serves as collateral for interest rate swaps. These amounts included $10.0 million and $11.9 million, respectively, on deposit in a cash margin account that serves as collateral for the Bancorp’s interest rate swaps. As of March 31, 2021 and December 31, 2020, the Company held $4.2 million and $9.3 million, respectively, in a restricted escrow account with a major bank for its alternative energy investments.

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Note 5 - Earnings Per Share

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Earnings Per Share [Text Block]

5. 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 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 March 31,
	2021		2020
	(In thousands, except share and per share data)
Net income	$	73,384	$	46,852
Weighted-average shares:
Basic weighted-average number of common shares outstanding		79,530,777		79,588,076
Dilutive effect of weighted-average outstanding common share equivalents RSUs		301,528		241,949
Diluted weighted-average number of common shares outstanding		79,832,305		79,830,025
Average restricted stock units with anti-dilutive effect		71,108		47,399
Earnings per common share:
Basic	$	0.92	$	0.59
Diluted	$	0.92	$	0.59

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Note 6 - Stock-based Compensation

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Share-based Payment Arrangement [Text Block]

6. 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 three months ended March 31, 2021:

	Time-Based RSUs					Performance-Based RSUs
				Weighted-Average					Weighted-Average
				Grant Date					Grant Date
	Shares			Fair Value		Shares			Fair Value
Balance at December 31, 2020		292,670		$	33.37		302,802		$	32.55
Granted		13,509			39.77		—			—
Vested		(91,654	)		41.88		(8,537	)		43.37
Forfeited		(16,296	)		30.62		(5,008	)		40.60
Balance at March 31, 2021		198,229		$	30.10		289,257		$	32.09

The compensation expense recorded for RSUs was $1.2 million and $1.5 million for the three months ended March 31, 2021, and 2020, respectively. Unrecognized stock-based compensation expense related to RSUs was $7.2 million and $7.7 million as of March 31, 2021 and 2020, respectively. As of March 31, 2021, these costs are expected to be recognized over the next 1.7 years for time-based and performance-based RSUs.

As of March 31, 2021, 2,060,019 shares were available for future grants under the Company’s 2005 Incentive Plan, as amended and restated.

Tax deficiency from share-based payment arrangements increased income tax expense by $37 thousand and $0.3 million in the three months ended March 31, 2021, and 2020, respectively.

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Note 7 - Investment Securities

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

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

7. 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 March 31, 2021, and December 31, 2020:

	March 31, 2021
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	40,709	$	11	$	—	$	40,720
U.S. government agency entities		95,637		705		291		96,051
Mortgage-backed securities		658,371		15,292		5,239		668,424
Collateralized mortgage obligations		10,201		—		74		10,127
Corporate debt securities		93,545		526		549		93,522
Total	$	898,463	$	16,534	$	6,153	$	908,844

	December 31, 2020
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	80,948	$	6	$	6	$	80,948
U.S. government agency entities		99,944		441		546		99,839
Mortgage-backed securities		709,709		17,965		606		727,068
Collateralized mortgage obligations		10,358		—		34		10,324
Corporate debt securities		118,271		367		267		118,371
Total	$	1,019,230	$	18,779	$	1,459	$	1,036,550

As of March 31, 2021, the amortized cost of AFS debt securities excluded accrued interest receivables of $2.3 million, which are included in "accrued interest receivable" on the Condensed Consolidated Balance Sheets (Unaudited). For the Company’s accounting policy related to AFS debt securities’ accrued interest receivable, see Note 2. Basis of Presentation and Summary of Significant Accounting Policies to the Condensed Consolidated Financial Statements (Unaudited) in this Form 10Q.

The amortized cost and fair value of securities available-for-sale as of March 31, 2021, 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.  

	March 31, 2021
	Securities Available-For-Sale
	Amortized Cost		Fair Value
	(In thousands)
Due in one year or less	$	85,713	$	85,764
Due after one year through five years		35,967		35,481
Due after five years through ten years		175,943		180,203
Due after ten years		600,840		607,396
Total	$	898,463	$	908,844

Equity Securities - The Company recognized a net loss of $2.8 million for the three months ended March 31, 2021, due to the decrease in fair value of equity investments with readily determinable fair values compared to a net loss of $6.1 million for the three months ended March 31, 2020. Equity securities were $21.0 million and $23.7 million as of March 31, 2021, and December 31, 2020, 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  March 31, 2021, and  December 31, 2020:

	March 31, 2021
	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. government agency entities	$	12,930	$	11	$	23,662	$	280	$	36,592	$	291
Mortgage-backed securities		190,914		4,638		7,903		601		198,817		5,239
Collateralized mortgage obligations		9,946		65		181		9		10,127		74
Corporate debt securities		39,451		549		—		—		39,451		549
Total	$	253,241	$	5,263	$	31,746	$	890	$	284,987	$	6,153

	December 31, 2020
	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	$	40,952	$	6	$	—	$	—	$	40,952	$	6
U.S. government agency entities		26,390		102		40,009		444		66,399		546
Mortgage-backed securities		1,694		23		8,093		583		9,787		606
Collateralized mortgage obligations		10,131		25		193		9		10,324		34
Corporate debt securities		58,405		267		—		—		58,405		267
Total	$	137,572	$	423	$	48,295	$	1,036	$	185,867	$	1,459

Allowance for Credit Losses

The securities that were in an unrealized loss position at March 31, 2021, 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 2. Basis of Presentation and Summary of Significant Accounting Policies - Allowance for Credit Losses on Available for Sale Securities to the Condensed Consolidated Financial Statements in this Form 10Q.

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 March 31, 2021, against these securities, and there was no provision for credit losses recognized for the three months ended March 31, 2021. For the three months ended March 31, 2020, there was no credit loss recognized.

Securities available-for-sale having a carrying value of $21.0 million and $23.7 million as of March 31, 2021, and December 31, 2020, respectively, were pledged to secure public deposits, other borrowings and treasury tax and loan.

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Note 8 - Loans

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

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

8. Loans

Most of the Company’s business activities are with customers 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 customers 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 Condensed Consolidated Balance Sheets as of March 31, 2021, and December 31, 2020, were as follows:

	March 31, 2021			December 31, 2020
	(In thousands)
Commercial loans	$	2,890,693		$	2,836,833
Residential mortgage loans		4,102,203			4,145,389
Commercial mortgage loans		7,549,522			7,555,027
Real estate construction loans		677,816			679,492
Equity lines		428,318			424,555
Installment and other loans		3,296			3,100
Gross loans	$	15,651,848		$	15,644,396
Allowance for loan losses		(147,264	)		(166,538	)
Unamortized deferred loan fees, net		(6,872	)		(2,494	)
Total loans, net	$	15,497,712		$	15,475,364

As of March 31, 2021, recorded investment in non-accrual loans was $94.4 million. As of December 31, 2020, recorded investment in impaired loans totaled $95.4 million and was comprised of non-accrual loans of $67.7 million and accruing TDRs of $27.7 million. For non-accrual loans, the amounts previously charged off represent 15.1% of the contractual balances for non-accrual loans as of March 31, 2021. For impaired loans, the amounts previously charged off represent 7.1% of the contractual balances for impaired loans as of December 31, 2020.

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

	Three Months Ended March 31,
	2021
	Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	28,268	$	12
Real estate construction loans		4,229		97
Commercial mortgage loans		40,116		57
Residential mortgage loans and equity lines		8,427		8
Total non-accrual loans	$	81,040	$	174

In connection with the adoption of ASU 2016-13, the Company no longer provides information on impaired loans. The following table presents the average recorded investment and interest income recognized on individually evaluated loans for the period indicated:

	Three Months Ended March 31,
	2020
	Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	28,316	$	70
Real estate construction loans		4,506		98
Commercial mortgage loans		36,040		459
Residential mortgage loans and equity lines		11,371		71
Total impaired loans	$	80,233	$	698

The following table presents non-accrual loans and the related allowance as of March 31, 2021:

	March 31, 2021
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance
Commercial loans	$	30,111	$	18,534	$	—
Real estate construction loans		5,776		4,189		—
Commercial mortgage loans		27,867		27,199		—
Residential mortgage loans and equity lines		9,205		8,545		—
Subtotal	$	72,959	$	58,467	$	—
With allocated allowance
Commercial loans	$	19,864	$	19,817	$	5,559
Commercial mortgage loans		16,233		16,162		5,133
Subtotal	$	36,097	$	35,979	$	10,692
Total non-accrual loans	$	109,056	$	94,446	$	10,692

In connection with the adoption of ASU 2016-13, the Company no longer provides information on impaired loans. The following table presents impaired loans and the related allowance as of December 31, 2020:

	December 31, 2020
	Unpaid Principal Balance		Recorded Investment		Allowance
				(In thousands)
With no allocated allowance
Commercial loans	$	23,784	$	20,698	$	—
Real estate construction loans		5,776		4,286		—
Commercial mortgage loans		22,877		22,287		—
Residential mortgage loans and equity lines		6,379		6,307		—
Subtotal	$	58,816	$	53,578	$	—
With allocated allowance
Commercial loans	$	13,703	$	6,372	$	1,030
Commercial mortgage loans		31,134		31,003		5,254
Residential mortgage loans and equity lines		5,005		4,452		145
Subtotal	$	49,842	$	41,827	$	6,429
Total impaired loans	$	108,658	$	95,405	$	6,429

The following tables present the aging of the loan portfolio by type as of March 31, 2021, and as of December 31, 2020:

	March 31, 2021
	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)
Commercial loans	$	13,845	$	1,645	$	1,880	$	38,351	$	55,721	$	2,834,972	$	2,890,693
Real estate construction loans		—		—		—		4,189		4,189		673,627		677,816
Commercial mortgage loans		6,659		274		258		43,361		50,552		7,498,970		7,549,522
Residential mortgage loans and equity lines		21,298		345		—		8,545		30,188		4,500,333		4,530,521
Installment and other loans		—		—		—		—		—		3,296		3,296
Total loans	$	41,802	$	2,264	$	2,138	$	94,446	$	140,650	$	15,511,198	$	15,651,848

	December 31, 2020
	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)
Commercial loans	$	52,601	$	3,182	$	2,947	$	23,087	$	81,817	$	2,755,016	$	2,836,833
Real estate construction loans		6,257		—		—		4,286		10,543		668,949		679,492
Commercial mortgage loans		45,186		18,069		2,035		33,715		99,005		7,456,022		7,555,027
Residential mortgage loans and equity lines		14,315		4,223		—		6,596		25,134		4,544,810		4,569,944
Installment and other loans		43		—		—		—		43		3,057		3,100
Total loans	$	118,402	$	25,474	$	4,982	$	67,684	$	216,542	$	15,427,854	$	15,644,396

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

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 discussed in the “Basis of Presentation and Summary of Significant Accounting Policies” above, for the quantitative baseline, and include non-accrual loans, TDRs, and other loans as deemed appropriate by management. In addition, the Company individually evaluates “reasonably expected” TDRs, which are identified by the Company as a commercial loan expected to be classified as a TDR. Individually evaluated loans also includes “reasonably expected” TDRs, identified by the Company as a consumer loan for which a borrower’s application of loan modification due to hardship has been received by the Company. Management judgment is utilized to make this determination.

Although the Company took steps to incorporate the impact of the COVID-19 pandemic on the economic conditions and other factors (such as the severity and length of the COVID-19 pandemic and its impacts) utilized to determine the expected loan losses, if the economic conditions or other factors worsen relative to the assumptions the Company utilized, the expected loan losses will increase accordingly in future periods.

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 are considered TDRs, TDR loans that have, pursuant to the Bank’s policy, performed under the restructured terms and have demonstrated sustained performance under the modified terms for six months are returned to accrual status. The sustained performance considered by management pursuant to its policy includes 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 restructure to set up interest reserves. Loans classified as TDRs are reported as individually evaluated loans.

As of March 31, 2021, accruing TDRs were $27.9 million and non-accrual TDRs were $8.6 million compared to accruing TDRs of $27.7 million and non-accrual TDRs of $9.0 million as of December 31, 2020. The Company allocated specific reserves of $56 thousand to accruing TDRs and $1 thousand to non-accrual TDRs as of March 31, 2021, and $122 thousand to accruing TDRs and $24 thousand to non-accrual TDRs as of December 31, 2020. The following tables set forth TDRs that were modified during the three months ended March 31, 2021, and 2020, their specific reserves as of March 31, 2021 and 2020, and charge-offs for the three months ended March 31, 2021, and 2020:

	Three Months Ended March 31, 2021								March 31, 2021
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		1	$	686	$	686	$	—	$	—
Total		1	$	686	$	686	$	—	$	—

	Three Months Ended March 31, 2020								March 31, 2020
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		2	$	534	$	534	$	—	$	—
Total		2	$	534	$	534	$	—	$	—

Modifications of the loan terms in the three months ended March 31, 2021, were in the form of extensions of maturity dates, which ranged generally from three to twelve months from the modification date. 

We expect that the TDRs on accruing status as of March 31, 2021, which were all performing in accordance with their restructured terms, will continue to comply with the restructured terms because of the reduced principal or interest payments on these loans.  The ongoing impact of the COVID pandemic, however, could increase the risk of such TDRs becoming non-accrual due to the borrowers’ inability to continue to comply with their restructured terms. A summary of TDRs by type of concession and by type of loan, as of March 31, 2021, and December 31, 2020, is set forth in the table below:

	March 31, 2021
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	4,544	$	—	$	—	$	4,544
Commercial mortgage loans		524		5,607		13,322		19,453
Residential mortgage loans		1,686		262		1,919		3,867
Total accruing TDRs	$	6,754	$	5,869	$	15,241	$	27,864

	March 31, 2021
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	8,150	$	—	$	—	$	8,150
Residential mortgage loans		511		—		—		511
Total non-accrual TDRs	$	8,661	$	—	$	—	$	8,661

	December 31, 2020
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	3,983	$	—	$	—	$	3,983
Commercial mortgage loans		515		5,635		13,425		19,575
Residential mortgage loans		1,724		275		2,164		4,163
Total accruing TDRs	$	6,222	$	5,910	$	15,589	$	27,721

	December 31, 2020
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	8,462	$	—	$	—	$	8,462
Residential mortgage loans		523		—		—		523
Total non-accrual TDRs	$	8,985	$	—	$	—	$	8,985

The activity within TDRs for the periods indicated is set forth below:

	Three Months Ended March 31,
	2021			2020
	(In thousands)
Accruing TDRs
Beginning balance	$	27,721		$	35,336
New restructurings		686			534
Payments		(543	)		(1,506	)
Ending balance	$	27,864		$	34,364

	Three Months Ended March 31,
	2021			2020
	(In thousands)
Non-accrual TDRs
Beginning balance	$	8,985		$	18,048
Payments		(324	)		(159	)
Ending balance	$	8,661		$	17,889

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 did not have any loans that were modified as a TDR during the previous twelve months and which had subsequently defaulted as of March 31, 2021.

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 March 31, 2021, there were no commitments to lend additional funds to those borrowers whose loans had been restructured, were considered individually evaluated, or were on non-accrual status.

The CARES Act, signed into law on March 27, 2020, and as extended by the CAA, permits financial institutions to suspend requirements under GAAP for loan modifications to borrowers affected by COVID-19 that would otherwise be characterized as TDRs and suspend any determination related thereto if (i) the loan modification is made between March 1, 2020 and the earlier of January 1, 2022 or 60 days after the end of the coronavirus emergency declaration and (ii) the applicable loan was not more than 30 days past due as of December 31, 2019. In addition, federal bank regulatory authorities have issued guidance to encourage financial institutions to make loan modifications for borrowers affected by COVID-19 and have assured financial institutions that they will neither receive supervisory criticism for such prudent loan modifications, nor be required by examiners to automatically categorize COVID-19-related loan modifications as TDRs. The Company is applying this guidance to qualifying loan modifications.

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 lower than average, but still acceptable, credit risk.

● 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.

In connection with the adoption of ASU 2016-13, the Company no longer provides information on impaired loans. The following table presents loan portfolio by risk rating as of December 31, 2020:

	December 31, 2020
	Pass/Watch		Special Mention		Substandard		Doubtful		Total
	(In thousands)
Commercial loans	$	2,581,128	$	141,344	$	108,788	$	5,573	$	2,836,833
Real estate construction loans		593,196		82,010		4,286		—		679,492
Commercial mortgage loans		7,202,568		186,283		166,176		—		7,555,027
Residential mortgage loans and equity lines		4,547,052		11,647		11,245		—		4,569,944
Installment and other loans		3,100		—		—		—		3,100
Total gross loans	$	14,927,044	$	421,284	$	290,495	$	5,573	$	15,644,396

The following table summarizes the Company’s loan held for investment 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
March 31, 2021	2021		2020		2019			2018			2017		Prior			Revolving Loans			Revolving Converted to Term Loans			Total
	(In thousands)
Commercial loans
Pass	$	255,423	$	527,049	$	316,832		$	245,195		$	125,699	$	94,080		$	1,088,480		$	8,055		$	2,660,813
Special Mention		—		100		16,458			7,535			3,265		31			43,466			246			71,101
Substandard		—		11,537		20,564			29,395			10,834		4,738			67,426			6,207			150,701
Doubtful		—		—		—			—			—		—			2,244			—			2,244
Total		255,423		538,686		353,854			282,125			139,798		98,849			1,201,616			14,508			2,884,859
YTD period charge-offs		—		23		50			366			—		—			8,699			—			9,138
YTD period recoveries		—		—		—			(4	)		—		(156	)		(1,109	)		—			(1,269	)
Net		—		23		50			362			—		(156	)		7,590			—			7,869
Real estate construction loans
Pass		38,405		224,620		162,973			131,063			58,557		—			—			—			615,618
Special Mention		—		33,083		6,373			15,822			—		—			—			—			55,278
Substandard		—		—		—			—			—		4,189			—			—			4,189
Total		38,405		257,703		169,346			146,885			58,557		4,189			—			—			675,085
YTD period charge-offs		—		—		—			—			—		—			—			—			—
YTD period recoveries		—		—		—			—			—		—			—			—			—
Net		—		—		—			—			—		—			—			—			—
Commercial mortgage loans
Pass		325,895		1,393,092		1,373,968			1,283,094			933,711		1,723,499			171,529			—			7,204,788
Special Mention		—		23,492		29,476			22,138			26,290		88,360			5,753			—			195,509
Substandard		—		628		6,832			47,145			3,608		89,479			377			—			148,069
Total		325,895		1,417,212		1,410,276			1,352,377			963,609		1,901,338			177,659			—			7,548,366
YTD period charge-offs		—		—		—			—			—		—			—			—			—
YTD period recoveries		—		—		(60	)		—			—		(7	)		(28	)		—			(95	)
Net		—		—		(60	)		—			—		(7	)		(28	)		—			(95	)
Residential mortgage loans
Pass		182,269		749,890		820,791			635,500			546,962		1,146,581			—			—			4,081,993
Special Mention		—		334		4,749			3,170			1,717		4,023			—			—			13,993
Substandard		—		18		809			2,300			564		4,140			—			—			7,831
Total		182,269		750,242		826,349			640,970			549,243		1,154,744			—			—			4,103,817
YTD period charge-offs		—		—		—			—			—		—			—			—			—
YTD period recoveries		—		—		—			—			—		(7	)		—			—			(7	)
Net		—		—		—			—			—		(7	)		—			—			(7	)
Equity lines
Pass		—		—		—			—			—		10			392,712			34,804			427,526
Special Mention		—		—		—			—			—		—			925			—			925
Substandard		—		—		—			—			—		—			330			729			1,059
Total		—		—		—			—			—		10			393,967			35,533			429,510
YTD period charge-offs		—		—		—			—			—		—			—			—			—
YTD period recoveries		—		—		—			—			—		—			(3	)		(6	)		(9	)
Net		—		—		—			—			—		—			(3	)		(6	)		(9	)
Installment and other loans
Pass		953		2,386		—			—			—		—			—			—			3,339
Total		953		2,386		—			—			—		—			—			—			3,339
YTD period charge-offs		—		—		—			—			—		—			—			—			—
YTD period recoveries		—		—		—			—			—		—			—			—			—
Net		—		—		—			—			—		—			—			—			—
Total loans	$	802,945	$	2,966,229	$	2,759,825		$	2,422,357		$	1,711,207	$	3,159,130		$	1,773,242		$	50,041		$	15,644,976
Net charge-offs/(recoveries)	$	—	$	23	$	(10	)	$	362		$	—	$	(170	)	$	7,559		$	(6	)	$	7,758

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

The following table sets forth the balance in the allowance for loan losses by portfolio segment and based on impairment method as of December 31, 2020. This table is no longer presented after December 31, 2020, given the adoption of ASU 2016-13, which has a single impairment methodology.

	December 31, 2020
			Real Estate		Commercial		Residential		Installment
	Commercial		Construction		Mortgage		Mortgage Loans		and
	Loans		Loans		Loans		and Equity Lines		Other Loans		Total
	(In thousands)
Loans individually evaluated for impairment
Allowance	$	1,030	$	—	$	5,254	$	145	$	—	$	6,429
Balance	$	27,070	$	4,286	$	53,289	$	10,760	$	—	$	95,405
Loans collectively evaluated for impairment
Allowance	$	67,712	$	30,854	$	43,951	$	17,592	$	—	$	160,109
Balance	$	2,809,763	$	675,206	$	7,501,738	$	4,559,184	$	3,100	$	15,548,991
Total allowance	$	68,742	$	30,854	$	49,205	$	17,737	$	—	$	166,538
Total balance	$	2,836,833	$	679,492	$	7,555,027	$	4,569,944	$	3,100	$	15,644,396

The following tables set forth activity in the allowance for loan losses by portfolio segment for the three months ended March 31, 2021, and March 31, 2020. Allocation of a portion of the allowance to one category of loans does not preclude its availability to absorb losses in other categories.

										Residential
				Real Estate			Commercial			Mortgage Loans			Installment
	Commercial			Construction			Mortgage			and			and Other
	Loans			Loans			Loans			Equity Lines			Loans			Total
	(In thousands)
2021 Beginning Balance	$	68,742		$	30,854		$	49,205		$	17,737		$	—		$	166,538
Impact of ASU 2016-13 adoption		(28,748	)		(25,332	)		35,335			19,330			9			594
Allowance for loan losses, January 1, 2021		39,994			5,522			84,540			37,067			9			167,132
Provision/(reversal) for possible credit losses		12,627			446			(18,946	)		(6,231	)		(6	)		(12,110	)
Charge-offs		(9,138	)		—			—			—			—			(9,138	)
Recoveries		1,269			—			95			16			—			1,380
Net (charge-offs)/recoveries		(7,869	)		—			95			16			—			(7,758	)
March 31, 2021 Ending Balance	$	44,752		$	5,968		$	65,689		$	30,852		$	3		$	147,264
Allowance for unfunded credit commitments December 31, 2020	$	4,802		$	690		$	101		$	284		$	3		$	5,880
Impact of ASU 2016-13 adoption		(3,347	)		4,274			(101	)		(284	)		(3	)		539
Allowance for loan losses, January 1, 2021		1,455			4,964			—			—			—			6,419
Provision/(reversal) for possible credit losses		125			(1,574	)		—			—			—			(1,449	)
Allowance for unfunded credit commitments March 31, 2021	$	1,580		$	3,390		$	—		$	—		$	—		$	4,970

								Residential
				Real Estate		Commercial		Mortgage Loans		Installment
	Commercial			Construction		Mortgage		and		and Other
	Loans			Loans		Loans		Equity Lines		Loans			Total
	(In thousands)
2020 Beginning Balance	$	57,021		$	19,474	$	33,602	$	13,108	$	19		$	123,224
Provision/(reversal) for possible credit losses		10,891			3,748		6,129		4,251		(19	)		25,000
Charge-offs		(1,321	)		—		—		—		—			(1,321	)
Recoveries		1,208			—		155		7		—			1,370
Net (charge-offs)/recoveries		(113	)		—		155		7		—			49
March 31, 2020 Ending Balance	$	67,799		$	23,222	$	39,886	$	17,366	$	—		$	148,273
Reserve for impaired loans	$	2,827		$	—	$	405	$	219	$	—		$	3,451
Reserve for non-impaired loans	$	64,972		$	23,222	$	39,481	$	17,147	$	—		$	144,822
Reserve for off-balance sheet credit commitments	$	1,296		$	1,233	$	177	$	304	$	3		$	3,013

The ongoing COVID-19 pandemic has caused significant disruption in the United States and international economies and financial markets. Although banks have generally been permitted to continue operating, the COVID-19 pandemic has caused disruptions to our business and could cause material disruptions to our business and operations in the future. The Company has continued its efforts to support its customers affected by the pandemic and to maintain asset quality and balance sheet strength, including the following:

• The Company has provided loans through the SBA's Paycheck Protection Program, (or “PPP”). As of March 31, 2021, 2,770 PPP loans with a current balance of $334.4 million have been approved by the Small Business Administration and an additional $71.9 million have been forgiven. These loans do not carry an allowance for loan losses.

• The Company has outstanding COVID-19 modifications on approximately seven commercial real estate loans totaling $56.1 million as of March 31, 2021, which represented 0.7% of the Bank’s commercial real estate loans and six commercial loans, totaling $38.0 million, which represented 1.3% of the total commercial loans.

• As of March 31, 2021, there were 52 COVID-19 residential mortgage loan modifications outstanding, or $31.4 million, that represented 0.8% of the total residential mortgage portfolio, and two HELOC loans totaling $1.1 million, which represented 0.3% of total HELOC loans.

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Note 9 - Commitments and Contingencies

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Commitments and Contingencies Disclosure [Text Block]

9. 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 customers. 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 Condensed 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 $95.7 million and $103.1 million as of March 31, 2021, and December 31, 2020, respectively.

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Note 10 - Leases

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Lessee, Operating Leases [Text Block]

10. Leases

The Company determines if a contract arrangement is a lease at inception and primarily enters into operating lease contracts for its branch locations, office space and certain equipment. As part of its property lease agreements, the Company may seek to include options to extend or terminate a lease when it is reasonably certain that the Company will exercise those options. The Right-of-Use (“ROU”) lease asset also includes any lease payments made and lease incentives. Lease expense for lease payments is recognized on a straight-line basis over the lease term. The Company does not possess any leases that have variable lease payments or residual value guarantees as of March 31, 2021.

ASU 2016-02, “Leases (Topic 842),” as amended by ASU No. 2018-01, “Land Easement Practical Expedient for Transition to Topic 842”; ASU No. 2018-10, “Codification Improvements to Topic 842, Leases”; and ASU No. 2018-11, “Targeted Improvements,” establishes a right-of-use model (“ROU”) that requires a lessee to recognize an ROU asset and lease liability on the balance sheet for all leases with a term longer than 12 months. The standard provides a number of optional practical expedients in transition. We have elected the "package of practical expedients," which permits us not to reassess under the new standard our prior conclusions about lease identification, lease classification and initial direct costs. We also elected all of the new standard’s available transition practical expedients, including the short-term lease recognition exemption that includes not recognizing ROU assets or lease liabilities for existing short-term leases, and the practical expedient to not separate lease and non-lease components for all of our leases. The Company uses its incremental borrowing rate to determine the present value of its lease liabilities.

The following table presents the operating lease amounts reported on the Condensed Consolidated Balance Sheets, and other supplemental information as of  March 31, 2021 and December 31, 2020:

	March 31, 2021			December 31, 2020
	($ In millions)
Operating Leases:
ROU assets	$	32.9		$	30.9
Lease liabilities	$	35.8		$	33.5
Weighted-average remaining lease term (in years)		4.8			4.7
Weighted-average discount rate		2.63	%		2.77	%

Operating lease expense was $2.9 million and $2.9 million for the three months ended March 31, 2021 and March 31, 2020, respectively, and includes short-term leases that were immaterial. Operating cash flows from operating leases were $2.5 million and $2.2 million for the three months ended March 31, 2021 and 2020, respectively. During the first quarter the Company recognized an ROU asset impairment of $187 thousand related to an early termination of a lease agreement. This amount was included in other expenses in the Condensed Consolidated Statement of Operations and Comprehensive Income.

The following table presents a maturity analysis of the Company’s operating lease liabilities as of March 31, 2021, and December 31, 2020, respectively.

	As of March 31, 2021
	Operating Leases
	(In thousands)
Remaining 2021	$	7,183
2022		9,165
2023		7,794
2024		5,427
2025		3,307
Thereafter		5,352
Total lease payments		38,228
Less amount of payment representing interest		(2,425	)
Total present value of lease payments	$	35,803

	As of December 31, 2020
	Operating Leases
	(In thousands)
2021	$	9,384
2022		8,335
2023		6,890
2024		4,635
2025		2,520
Thereafter		4,153
Total lease payments		35,917
Less amount of payment representing interest		(2,433	)
Total present value of lease payments	$	33,484

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Note 11 - Borrowed Funds

3 Months Ended

Mar. 31, 2021

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 March 31, 2021, and December 31, 2020. Advances from the FHLB were $75.0 million at a weighted average rate of 2.26% as of March 31, 2021, and $150.0 million at a weighted average rate of 2.15% as of December 31, 2020. As of March 31, 2021, FHLB advances of $5.0 million will mature in May 2021, $50.0 million in June 2021, and $20.0 million in May 2023.

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 March 31, 2021, Junior Subordinated Notes totaled $119.1 million with a weighted average interest rate of 2.36%, compared to $119.1 million with a weighted average rate of 2.40% at December 31, 2020. The Junior Subordinated Notes have a stated maturity term of 30 years.

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Note 12 - Income Taxes

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Income Tax Disclosure [Text Block]

12. Income Taxes

The effective tax rate for the first quarter of 2021 was 21.9% compared to 16.3% for the first quarter of 2020. The effective tax rate includes the impact of low-income housing and alternative energy investment tax credits. Income tax expense for the first quarter of 2021 was increased by $37 thousand related to a tax deficiency from the distribution of restricted stock units.

The Company’s tax returns are open for audit by the Internal Revenue Service back to 2017 and by the California Franchise Tax Board back to 2016.

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

3 Months Ended

Mar. 31, 2021

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 as follows:

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.

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.

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.

The following tables present the Company’s hierarchy for its assets and liabilities measured at fair value on a recurring basis as of March 31, 2021, and December 31, 2020:

	March 31, 2021
	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	$	40,720	$	—	$	—	$	40,720
U.S. government agency entities		—		96,051		—		96,051
Mortgage-backed securities		—		668,424		—		668,424
Collateralized mortgage obligations		—		10,127		—		10,127
Corporate debt securities		—		93,522		—		93,522
Total securities available-for-sale	$	40,720	$	868,124	$	—	$	908,844
Equity securities
Mutual funds	$	6,301	$	—	$	—	$	6,301
Preferred stock of government sponsored entities		3,328		—		—		3,328
Other equity securities		11,364		—		—		11,364
Total equity securities	$	20,993	$	—	$	—	$	20,993
Warrants	$	—	$	—	$	16	$	16
Interest rate swaps		—		3,615		—		3,615
Foreign exchange contracts		—		2,891		—		2,891
Total assets	$	61,713	$	874,630	$	16	$	936,359
Liabilities
Interest rate swaps	$	—	$	12,116	$	—	$	12,116
Foreign exchange contracts		—		2,550		—		2,550
Total liabilities	$	—	$	14,666	$	—	$	14,666

	December 31, 2020
	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	$	80,948	$	—	$	—	$	80,948
U.S. government agency entities		—		99,838		—		99,838
Mortgage-backed securities		—		727,068		—		727,068
Collateralized mortgage obligations		—		10,324		—		10,324
Corporate debt securities		—		118,372		—		118,372
Total securities available-for-sale	$	80,948	$	955,602	$	—	$	1,036,550
Equity securities
Mutual funds	$	6,413	$	—	$	—	$	6,413
Preferred stock of government sponsored entities		5,485		—		—		5,485
Other equity securities		11,846		—		—		11,846
Total equity securities	$	23,744	$	—	$	—	$	23,744
Warrants	$	—	$	—	$	21	$	21
Interest rate swaps		—		3,409		—		3,409
Foreign exchange contracts		—		4,658		—		4,658
Total assets	$	104,692	$	963,669	$	21	$	1,068,382
Liabilities
Interest rate swaps	$	—	$	10,286	$	—	$	10,286
Foreign exchange contracts		—		2,200		—		2,200
Total liabilities	$	—	$	12,486	$	—	$	12,486

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 March 31, 2021, and December 31, 2020, 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 Condensed Consolidated Balance Sheets as of March 31, 2021, 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 March 31, 2021, and December 31, 2020, and the total losses for the periods indicated:

	As of March 31, 2021								Total Losses
	Fair Value Measurements Using						Total Fair Value		For the Three Months Ended
	Level 1		Level 2		Level 3		Measurements		March 31, 2021		March 31, 2020
	(In thousands)
Assets
Loans held-for-investment:
Commercial loans	$	—	$	—	$	14,258	$	14,258	$	—	$	—
Commercial mortgage loans		—		—		11,029		11,029		—		—
Total loans held-for-investment		—		—		25,287		25,287		—		—
Other real estate owned (1)		—		905		4,236		5,141		—		336
Investments in venture capital and private company stock		—		—		1,094		1,094		71		33
Total assets	$	—	$	905	$	30,617	$	31,522	$	71	$	369

(1) Other real estate owned balance of $4.9 million in the Condensed Consolidated Balance Sheets is net of estimated disposal costs.

	As of December 31, 2020								Total Losses
	Fair Value Measurements Using						Total Fair Value		For the Twelve Months Ended
	Level 1		Level 2		Level 3		Measurements		December 31, 2020		December 31, 2019
	(In thousands)
Assets
Impaired loans by type:
Commercial loans	$	—	$	—	$	5,342	$	5,342	$	7,012	$	—
Commercial mortgage loans		—		—		25,749		25,749		—		—
Residential mortgage loans and equity lines		—		—		4,307		4,307		—		—
Total impaired loans		—		—		35,398		35,398		7,012		—
Other real estate owned (1)		—		905		4,236		5,141		717		681
Investments in venture capital and private company stock		—		—		1,381		1,381		107		167
Total assets	$	—	$	905	$	41,015	$	41,920	$	7,836	$	848

(1) Other real estate owned balance of $4.9 million in the condensed 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 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 0.20% to 1.34%, and stock volatility from 16.76% to 21.30%.

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 March 31, 2021, and December 31, 2020:

	March 31, 2021				December 31, 2020
	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
	(In thousands)
Financial Assets
Cash and due from banks	$	141,885	$	141,885	$	138,616	$	138,616
Short-term investments		1,612,411		1,612,411		1,282,462		1,282,462
Securities available-for-sale		908,844		908,844		1,036,550		1,036,550
Loans, net		15,497,712		16,094,374		15,475,364		16,103,471
Equity securities		20,993		20,993		23,744		23,744
Investment in Federal Home Loan Bank stock		17,250		17,250		17,250		17,250
Warrants		16		16		21		21

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Foreign exchange contracts	$	154,340	$	2,891	$	151,244	$	4,658
Interest rate swaps		496,140		3,615		96,889		3,409

	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
Financial Liabilities
Deposits	$	16,353,633	$	16,364,101	$	16,109,401	$	16,125,808
Advances from Federal Home Loan Bank		75,000		77,691		150,000		155,133
Other borrowings		23,333		19,861		23,714		19,632
Long-term debt		119,136		64,892		119,136		65,487

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Foreign exchange contracts	$	96,119	$	2,550	$	132,813	$	2,200
Interest rate swaps		662,228		12,116		679,648		10,286

	Notional					Notional
	Amount		Fair Value			Amount		Fair Value
Off-Balance Sheet Financial Instruments
Commitments to extend credit	$	3,095,013	$	(9,614	)	$	2,977,528	$	(8,432	)
Standby letters of credit		237,488		(1,720	)		234,200		(1,630	)
Other letters of credit		21,975		(19	)		16,821		(16	)
Bill of lading guarantees		—		—			238		—

The following tables set forth the level in the fair value hierarchy for the estimated fair values of financial instruments as of March 31, 2021, and December 31, 2020.

	As of March 31, 2021
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	141,885	$	141,885	$	—	$	—
Short-term investments		1,612,411		1,612,411		—		—
Securities available-for-sale		908,844		40,720		868,124		—
Loans, net		16,094,374		—		—		16,094,374
Equity securities		20,993		20,993		—		—
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Warrants		16		—		—		16
Financial Liabilities
Deposits		16,364,101		—		—		16,364,101
Advances from Federal Home Loan Bank		77,691		—		77,691		—
Other borrowings		19,861		—		—		19,861
Long-term debt		64,892		—		64,892		—

	As of December 31, 2020
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	138,616	$	138,616	$	—	$	—
Short-term investments		1,282,462		1,282,462		—		—
Securities available-for-sale		1,036,550		80,948		955,602		—
Loans, net		16,103,471		—		—		16,103,471
Equity securities		23,744		23,744		—		—
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Warrants		21		—		—		21
Financial Liabilities
Deposits		16,125,808		—		—		16,125,808
Advances from Federal Home Loan Bank		155,133		—		155,133		—
Other borrowings		19,632		—		—		19,632
Long-term debt		65,487		—		65,487		—

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Note 14 - Goodwill and Goodwill Impairment

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Goodwill and Intangible Assets Disclosure [Text Block]

14. Goodwill and Goodwill Impairment

The Company’s policy is to assess goodwill for impairment at the reporting unit level on an annual basis or between annual assessments if a triggering event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying amount.  Impairment is the condition that exists when the carrying amount of goodwill exceeds its implied fair value.  

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Note 15 - Financial Derivatives

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Derivative Instruments and Hedging Activities Disclosure [Text Block]

15. Financial Derivatives

It is our policy not to speculate on the future direction of interest rates. However, from time to time, we may enter into financial derivatives in order to seek mitigation of exposure to interest rate risks related to our interest-earning assets and interest-bearing liabilities. We believe 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, we may enter into interest rate swap contracts or other types of financial derivatives. Prior to considering any hedging activities, we seek to analyze the costs and benefits of the hedge in comparison to other viable alternative strategies. All hedges must be approved by 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 Condensed 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 Condensed Consolidated Financial Statements.

The Company offers various interest rate derivative contracts to its customers. When derivative transactions are executed with its customers, 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 Condensed 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 customers 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.

In May 2014, the 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 the 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. As of March 31, 2021, and 2020, the ineffective portion of these interest rate swaps was not significant. The notional amount and net unrealized loss of the Company’s cash flow derivative financial instruments as of March 31, 2021, and December 31, 2020, were as follows:

	March 31, 2021			December 31, 2020
Cash flow swap hedges:	(In thousands)
Notional	$	119,136		$	119,136
Weighted average fixed rate-pay		2.61	%		2.61	%
Weighted average variable rate-receive		0.19	%		0.44	%
Unrealized loss, net of taxes (1)	$	(5,627	)	$	(6,890	)

	Three months ended
	March 31, 2021		March 31, 2020
Periodic net settlement of swaps (2)	$	711	$	255

(1)-Included in other comprehensive income.

(2)-the amount of periodic net settlement of interest rate swaps was included in interest expense.

As of March 31, 2021, the Bank’s outstanding interest rate swap contracts had a notional amount of $819.8 million for various terms from three to ten years. The Bank entered into these interest rate swap contracts that are matched to fixed-rate commercial real estate loans in the Bank’s loan portfolio. 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 March 31, 2021, and 2020, the ineffective portion of these interest rate swaps was not significant. The notional amount and net unrealized loss of the Company’s fair value derivative financial instruments as of March 31, 2021, and December 31, 2020, were as follows:

	March 31, 2021			December 31, 2020
Fair value swap hedges:	(In thousands)
Notional	$	819,820		$	478,266
Weighted average fixed rate-pay		3.26	%		4.56	%
Weighted average variable rate spread		1.70	%		2.46	%
Weighted average variable rate-receive		1.82	%		3.11	%
Net unrealized loss (1)	$	(10,735	)	$	(15,082	)

	Three months ended
	March 31, 2021			March 31, 2020
Periodic net settlement of SWAPs (2)	$	(2,387	)	$	(643	)

(1)-the amount is included in other non-interest income.

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

The Company has designated as a partial-term hedging election $375.0 million notional as last-of-layer hedge on a pool of loans with a notational value of $779.3 million as of March 31, 2021. 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 a pay-fixed and receive 1-Month LIBOR interest rate swap to convert the last-of-layer $375.0 million portion of a $779.3 million fixed rate loan tranche in order to reduce the Company’s exposure to higher interest rates for the last-of-layer tranche. As of March 31, 2021, the last-of-layer loan tranche had a fair value basis adjustment of $809 thousand. 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. The 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. Cash posted as collateral by the Bancorp related to derivative contracts totaled $10.0 million as of March 31, 2021 and $11.9 million as of December 31, 2020.

The Company from time to time 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 Condensed 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 March 31, 2021, and December 31, 2020, were as follows:

	March 31, 2021			December 31, 2020
Derivative financial instruments not designated as hedging instruments:	(In thousands)
Notional amounts:
Spot, forward, and swap contracts with positive fair value	$	154,340		$	151,244
Spot, forward, and swap contracts with negative fair value	$	96,119		$	132,813
Fair value:
Spot, forward, and swap contracts with positive fair value	$	2,891		$	4,658
Spot, forward, and swap contracts with negative fair value	$	(2,550	)	$	(2,200	)

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Note 16 - Balance Sheet Offsetting

3 Months Ended

Mar. 31, 2021

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 Condensed 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 Condensed Consolidated Balance Sheets, as of March 31, 2021, and December 31, 2020, 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)
March 31, 2021
Assets:
Derivatives	$	3,615	$	—		$	3,615	$	—	$	—	$	3,615
Liabilities:
Derivatives	$	21,143	$	(9,027	)	$	12,116	$	—	$	—	$	12,116
December 31, 2020
Assets:
Derivatives	$	3,409	$	—		$	3,409	$	—	$	—	$	3,409
Liabilities:
Derivatives	$	28,258	$	(17,972	)	$	10,286	$	—	$	—	$	10,286

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Note 17 - Revenue from Contracts with Customers

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Revenue from Contract with Customer [Text Block]

17. Revenue from Contracts with Customers

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

	Three months Ended March 31,
	2021		2020
	(In thousands)
Non-interest income, in-scope:
Fees and service charges on deposit accounts	$	2,112	$	2,054
Wealth management fees		3,557		3,137
Other service fees(1)		3,491		3,372
Total noninterest income		9,160		8,563
Noninterest income, not in-scope(2)		840		(2,777	)
Total noninterest income	$	10,000	$	5,786

(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 606.

The major revenue streams by fee type that are within the scope of ASC 606 presented in the above table is 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 customers 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 customers 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 customers 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 customer pays for that good or service is one year or less.

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Note 18 - Stockholders' Equity

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Stockholders' Equity Note Disclosure [Text Block]

18. Stockholders’ Equity

Total equity was $2.46 billion as of March 31, 2021, an increase of $45.1 million, from $2.42 billion as of December 31, 2020, primarily due to net income of $73.4 million, and proceeds from dividend reinvestment of $868 thousand, and partially offset by common stock cash dividends of $24.6 million and a decrease in other comprehensive income of $3.6 million.

Activity in accumulated other comprehensive income, net of tax, and reclassification out of accumulated other comprehensive income for the three months ended March 31, 2021, and March 31, 2020, was as follows:

	Three months ended March 31, 2021									Three months ended March 31, 2020
	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							$	12,200								$	5,714
Cash flow hedge derivatives								(6,890	)								(3,412	)
Total							$	5,310								$	2,302
Net unrealized gains/(losses) arising during the period
Securities available-for-sale	$	(6,085	)	$	(1,799	)	$	(4,286	)	$	16,833		$	4,976		$	11,857
Cash flow hedge derivatives		1,793			530			1,263			(6,073	)		(1,795	)		(4,278	)
Total	$	(4,292	)	$	(1,269	)	$	(3,023	)	$	10,760		$	3,181		$	7,579
Reclassification adjustment for net losses in net income
Securities available-for-sale		(853	)		(252	)		(601	)		(6	)		(2	)		(4	)
Cash flow hedge derivatives		—			—			—			—			—			—
Total		(853	)		(252	)		(601	)		(6	)		(2	)		(4	)
Total other comprehensive income/(loss)
Securities available-for-sale	$	(6,938	)	$	(2,051	)	$	(4,887	)	$	16,827		$	4,974		$	11,853
Cash flow hedge derivatives		1,793			530			1,263			(6,073	)		(1,795	)		(4,278	)
Total	$	(5,145	)	$	(1,521	)	$	(3,624	)	$	10,754		$	3,179		$	7,575
Ending balance, gain/(loss), net of tax
Securities available-for-sale							$	7,313								$	17,567
Cash flow hedge derivatives								(5,627	)								(7,690	)
Total							$	1,686								$	9,877

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Note 19 - Subsequent Events

3 Months Ended

Mar. 31, 2021

Notes to Financial Statements

Subsequent Events [Text Block]

19. Subsequent Events

On April 1, 2021, the Board of Directors approved a new stock repurchase program to buy back up to $75.0 million of the Company’s common stock.

The Company has evaluated the effect of events that have occurred subsequent to March 31, 2021, through the date of issuance of the Condensed 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 Condensed Consolidated Financial Statements or disclosure in the Notes to the Condensed Consolidated Financial Statements.

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Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2021

Accounting Policies [Abstract]

Marketable Securities, Policy [Policy Text Block]

Securities Available for Sale

With the exception of the updated accounting policies listed below, the accompanying unaudited interim consolidated financial statements have been prepared on a consistent basis with the accounting policies described in Consolidated Financial Statements and Supplementary Data - Note 1 - “Summary of Significant Accounting Policies” under Part II, Item 8 of our 2020 Form 10K.

Prior to January 1, 2021, debt securities available-for-sale were measured at fair value and declines in the fair value were reviewed to determine whether the impairment was other-than-temporary. If we did not expect to recover the entire amortized cost basis of the security, then an other-than-temporary impairment (“OTTI”) was considered to have occurred. The cost basis of the security was written down to its estimated fair value and the amount of the write-down was recognized through a charge to earnings. If the amount of the amortized cost basis expected to be recovered increased in a future period, the cost basis of the security was not increased but rather recognized prospectively through interest income.

Effective January 1, 2021, upon the adoption of ASU 2016-13, 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 ("ACL") 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.

Interest income includes amortization of premiums and discounts as an adjustment of yield on a level-yield basis. Premiums on callable debt securities are amortized to their earliest call date. Gains and losses on sales are recorded on the trade date and determined using the specific identification method.

A debt security is placed on nonaccrual status at the time any principal or interest payments become delinquent by 90 days or greater. Interest accrued but not received for a security placed on non-accrual is reversed against interest income. No interest was reversed against interest income during the period.

Allowance for Credit Losses on Available for Sale Debt Securities [Policy Text Block]

Allowance for Credit Losses on Available for Sale Securities

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 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 and the non-credit component is recognized in other comprehensive income (loss), net of applicable taxes. 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. 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 has not been recorded through an allowance for credit losses is recognized in other comprehensive income.

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

The amortized cost of the Company’s AFS debt securities excludes accrued interest, which is included in "accrued interest receivable" on the Condensed 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.

Trading securities are reported at fair value, with unrealized gains or losses included in income.

Financing Receivable, Held-for-investment [Policy Text Block]

Loans Held for Investment.

Loans receivable that the Company has the intent and ability to hold for the foreseeable future or until maturity are stated at their outstanding principal, reduced by an allowance for loan losses and net of deferred loan fees or costs on originated loans and unamortized premiums or discounts on purchased loans. Nonrefundable fees and direct costs associated with the origination or purchase of loans are deferred and netted against outstanding loan balances. The deferred net loan fees and costs are recognized in interest income as an adjustment to yield over the loan term using the effective interest method or straight-line method. Discounts or premiums on purchased loans are accreted or amortized to interest income using the effective interest method or straight-line method over the remaining period to contractual maturity. Interest on loans is calculated using the simple-interest method on daily balances of the principal amounts outstanding based on an actual or 360-day basis.

Generally, loans are placed on nonaccrual status when they become 90 days past due. Loans are considered past due when contractually required principal or interest payments have not been made on the due dates. Loans are also placed on nonaccrual status when management believes, after considering economic and business conditions and collection efforts, that the borrower’s financial condition is such that full collection of principal or interest becomes uncertain, regardless of the length of past due status. Once a loan is placed on nonaccrual status, interest accrual is discontinued, and all unpaid accrued interest is reversed against interest income. As a result, accrued interest receivable does not carry a credit loss reserve. Interest payments received on nonaccrual loans are reflected as a reduction of principal and not as interest income. A loan is returned to accrual status when the borrower has demonstrated a satisfactory payment trend subject to management’s assessment of the borrower’s ability to repay the loan.

Financing Receivable, Held-for-sale [Policy Text Block]

Loans Held for Sale

Held for sale loans are carried at the lower of aggregate cost or fair value. Gains and losses are recorded in non-interest income based on the difference between sales proceeds, net of sales commissions, and carrying value. When a determination is made at the time of commitment to originate or purchase loans as held-for-investment, it is the Company’s intent to hold these loans to maturity or for the “foreseeable future,” subject to periodic review under the Company’s management evaluation processes, including asset/liability management. When the Company subsequently changes its intent to hold certain loans, the loans are transferred from the loans held-for-investment portfolio at amortized cost to the loans held-for-sale portfolio at lower of aggregate cost or fair value and the existing ACL on the loans transferred is reversed.

Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block]

Allowance for Credit Losses on Loans Held for Investment.          

Effective January 1, 2021, and upon the adoption of ASU 2016-13, the Company replaced the incurred loss accounting approach with the current expected credit loss (“CECL”) approach for financial instruments measured at amortized cost and other commitments to extend credit. CECL requires the immediate recognition of estimated credit losses expected to occur over the estimated remaining life of the asset. The forward-looking concept of CECL requires loss estimates to consider historical experience, current conditions and reasonable and supportable economic forecasts of future events and circumstances.

The ACL on loans held for investment 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 Condensed 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 Condensed Consolidated Balance Sheets. The "Provision for credit losses" on the Condensed 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 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. 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. When loans do not share similar risk characteristics, the Company would evaluate the loan for expected credit losses on an individual basis. 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 three different loan valuation methods: (1) the present value of the expected future cash flows of the individually evaluated loan discounted at the loan’s original effective interest rate, (2) the observable market price of the individually evaluated loan or (3) if the Company intends to foreclose on the collateral securing the loan, the fair value of the collateral of a collateral-dependent loan less costs of sale. For loans that are not collateral-dependent, the Company will use the present value of future cash flows or the market value of the loan.

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 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, commercial real estate prices and residential mortgage prices, to historical credit performance for each of the six loan portfolios from 2009 to 2019. Loss given default rates would be computed based on the net charge-offs recognized divided by the expected exposure at default of defaulted loans starting with the first quarter of 2009 to 2019. 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 ACL. Both the econometric regression models and the expected exposure of default will be updated annually.

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 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 either of the following applies: (i) management has a reasonable expectation at the reporting date that a troubled debt restructuring will be executed with an individual borrower or (ii) 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 (“HELOC’s”) and cash-secured loans, which were 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.

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-US residents, and the higher risk characteristics of purchased syndicated loans. Current and forecasted economic trends and underlying market values for collateral dependent loans are considered to be included within the econometric models described above.

The 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 reasonable and supportable forecast and reversion periods; estimating expected utilization rates on unfunded loan commitments; and assessing relevant and appropriate qualitative factors. In addition, the CECL methodology is dependent on economic forecasts which are inherently imprecise and will change from period to period. Although the allowance for credit losses is considered 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 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. 

Individually Evaluated Loans 

Loans that do not share similar risk characteristics with other financial assets are individually evaluated for impairment and excluded from loan pools used within the collective evaluation of estimated credit losses. We defined the following criteria for what constitutes a “default”, which results in a loan no longer sharing similar risk characteristics with other loans, and therefore requires an individual evaluation for expected credit losses. The criteria for default may include any one of the following: on nonaccrual status, modified under a troubled debt restructuring, or payment delinquency of 90 days or more.

Impaired Loans

Prior to January 1, 2021, a loan or lease was considered impaired when it was probable that we would be unable to collect all amounts due according to the contractual terms of the loan or lease agreement. The measurement of impairment may be based on (1) the present value of the expected future cash flows of the impaired loan discounted at the loan’s original effective interest rate, (2) the observable market price of the impaired loan or (3) the fair value of the collateral of a collateral-dependent loan. The amount by which the recorded investment in the loan exceeds the measure of the impaired loan is recognized by recording a valuation allowance with a corresponding charge to the provision for loan losses. When loans are placed on an impaired status, previously accrued but unpaid interest is reversed against current income and subsequent payments received are generally first applied toward the outstanding principal balance of the loan.

Troubled Debt Restructuring [Policy Text Block]

Troubled Debt Restructured Loan (“TDR”)

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 reduction in the stated interest rate, reduction in the loan balance or accrued interest, or extension of the maturity date. Although these loan modifications are considered TDRs, TDR loans that have, pursuant to the Bank’s policy, performed under the restructured terms and have demonstrated sustained performance under the modified terms for six months are returned to accrual status. The sustained performance considered by management pursuant to its policy includes 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 restructure to set up interest reserves. Loans classified as TDRs are reported as individually evaluated loans.

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

The Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”) as extended by the Consolidated Appropriation Act, 2021 ("CAA") permits financial institutions to suspend requirements under GAAP for loan modifications to borrowers affected by COVID-19 and is intended to provide interpretive guidance as to conditions that would constitute a short-term modification that would not meet the definition of a TDR. Such conditions include the following (i) the loan modification is made between March 1, 2020 and the earlier of January 1, 2022 or 60 days after the end of the coronavirus emergency declaration and (ii) the applicable loan was not more than 30 days past due as of December 31, 2019.

Loan Commitments, Policy [Policy Text Block]

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 9 in the Notes to Condensed 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 three-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 Condensed Consolidated Balance Sheets. Changes in the allowance for unfunded commitments are included in the provision for credit losses.

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Note 3 - Recent Accounting Pronouncements (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

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

	Balance at December 31, 2020		Adjustments Due to Adoption of ASC 326			Balance at January 1, 2021
	(In thousands)
Assets:
Allowance for credit losses on loans	$	166,538	$	594		$	167,132
Deferred tax assets		85,610		335			85,945
Liabilities:
Allowance for unfunded commitments		5,880		539			6,419
Stockholders' equity:
Retained earnings, net of tax		2,418,144		(798	)		2,417,346

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Note 5 - Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

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

	Three months ended March 31,
	2021		2020
	(In thousands, except share and per share data)
Net income	$	73,384	$	46,852
Weighted-average shares:
Basic weighted-average number of common shares outstanding		79,530,777		79,588,076
Dilutive effect of weighted-average outstanding common share equivalents RSUs		301,528		241,949
Diluted weighted-average number of common shares outstanding		79,832,305		79,830,025
Average restricted stock units with anti-dilutive effect		71,108		47,399
Earnings per common share:
Basic	$	0.92	$	0.59
Diluted	$	0.92	$	0.59

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Note 6 - Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

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, 2020		292,670		$	33.37		302,802		$	32.55
Granted		13,509			39.77		—			—
Vested		(91,654	)		41.88		(8,537	)		43.37
Forfeited		(16,296	)		30.62		(5,008	)		40.60
Balance at March 31, 2021		198,229		$	30.10		289,257		$	32.09

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Note 7 - Investment Securities (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

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

	March 31, 2021
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	40,709	$	11	$	—	$	40,720
U.S. government agency entities		95,637		705		291		96,051
Mortgage-backed securities		658,371		15,292		5,239		668,424
Collateralized mortgage obligations		10,201		—		74		10,127
Corporate debt securities		93,545		526		549		93,522
Total	$	898,463	$	16,534	$	6,153	$	908,844

	December 31, 2020
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	80,948	$	6	$	6	$	80,948
U.S. government agency entities		99,944		441		546		99,839
Mortgage-backed securities		709,709		17,965		606		727,068
Collateralized mortgage obligations		10,358		—		34		10,324
Corporate debt securities		118,271		367		267		118,371
Total	$	1,019,230	$	18,779	$	1,459	$	1,036,550

Investments Classified by Contractual Maturity Date [Table Text Block]

	March 31, 2021
	Securities Available-For-Sale
	Amortized Cost		Fair Value
	(In thousands)
Due in one year or less	$	85,713	$	85,764
Due after one year through five years		35,967		35,481
Due after five years through ten years		175,943		180,203
Due after ten years		600,840		607,396
Total	$	898,463	$	908,844

Schedule of Unrealized Loss on Investments [Table Text Block]

	March 31, 2021
	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. government agency entities	$	12,930	$	11	$	23,662	$	280	$	36,592	$	291
Mortgage-backed securities		190,914		4,638		7,903		601		198,817		5,239
Collateralized mortgage obligations		9,946		65		181		9		10,127		74
Corporate debt securities		39,451		549		—		—		39,451		549
Total	$	253,241	$	5,263	$	31,746	$	890	$	284,987	$	6,153

	December 31, 2020
	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	$	40,952	$	6	$	—	$	—	$	40,952	$	6
U.S. government agency entities		26,390		102		40,009		444		66,399		546
Mortgage-backed securities		1,694		23		8,093		583		9,787		606
Collateralized mortgage obligations		10,131		25		193		9		10,324		34
Corporate debt securities		58,405		267		—		—		58,405		267
Total	$	137,572	$	423	$	48,295	$	1,036	$	185,867	$	1,459

XML

Note 8 - Loans (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

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

	March 31, 2021			December 31, 2020
	(In thousands)
Commercial loans	$	2,890,693		$	2,836,833
Residential mortgage loans		4,102,203			4,145,389
Commercial mortgage loans		7,549,522			7,555,027
Real estate construction loans		677,816			679,492
Equity lines		428,318			424,555
Installment and other loans		3,296			3,100
Gross loans	$	15,651,848		$	15,644,396
Allowance for loan losses		(147,264	)		(166,538	)
Unamortized deferred loan fees, net		(6,872	)		(2,494	)
Total loans, net	$	15,497,712		$	15,475,364

Impaired Financing Receivables [Table Text Block]

	Three Months Ended March 31,
	2021
	Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	28,268	$	12
Real estate construction loans		4,229		97
Commercial mortgage loans		40,116		57
Residential mortgage loans and equity lines		8,427		8
Total non-accrual loans	$	81,040	$	174

	Three Months Ended March 31,
	2020
	Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	28,316	$	70
Real estate construction loans		4,506		98
Commercial mortgage loans		36,040		459
Residential mortgage loans and equity lines		11,371		71
Total impaired loans	$	80,233	$	698

Schedule Of Impaired Loans And Related Allowance And Charge Off [Table Text Block]

	March 31, 2021
	Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance
Commercial loans	$	30,111	$	18,534	$	—
Real estate construction loans		5,776		4,189		—
Commercial mortgage loans		27,867		27,199		—
Residential mortgage loans and equity lines		9,205		8,545		—
Subtotal	$	72,959	$	58,467	$	—
With allocated allowance
Commercial loans	$	19,864	$	19,817	$	5,559
Commercial mortgage loans		16,233		16,162		5,133
Subtotal	$	36,097	$	35,979	$	10,692
Total non-accrual loans	$	109,056	$	94,446	$	10,692

	December 31, 2020
	Unpaid Principal Balance		Recorded Investment		Allowance
				(In thousands)
With no allocated allowance
Commercial loans	$	23,784	$	20,698	$	—
Real estate construction loans		5,776		4,286		—
Commercial mortgage loans		22,877		22,287		—
Residential mortgage loans and equity lines		6,379		6,307		—
Subtotal	$	58,816	$	53,578	$	—
With allocated allowance
Commercial loans	$	13,703	$	6,372	$	1,030
Commercial mortgage loans		31,134		31,003		5,254
Residential mortgage loans and equity lines		5,005		4,452		145
Subtotal	$	49,842	$	41,827	$	6,429
Total impaired loans	$	108,658	$	95,405	$	6,429

Financing Receivable, Past Due [Table Text Block]

	March 31, 2021
	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)
Commercial loans	$	13,845	$	1,645	$	1,880	$	38,351	$	55,721	$	2,834,972	$	2,890,693
Real estate construction loans		—		—		—		4,189		4,189		673,627		677,816
Commercial mortgage loans		6,659		274		258		43,361		50,552		7,498,970		7,549,522
Residential mortgage loans and equity lines		21,298		345		—		8,545		30,188		4,500,333		4,530,521
Installment and other loans		—		—		—		—		—		3,296		3,296
Total loans	$	41,802	$	2,264	$	2,138	$	94,446	$	140,650	$	15,511,198	$	15,651,848

	December 31, 2020
	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)
Commercial loans	$	52,601	$	3,182	$	2,947	$	23,087	$	81,817	$	2,755,016	$	2,836,833
Real estate construction loans		6,257		—		—		4,286		10,543		668,949		679,492
Commercial mortgage loans		45,186		18,069		2,035		33,715		99,005		7,456,022		7,555,027
Residential mortgage loans and equity lines		14,315		4,223		—		6,596		25,134		4,544,810		4,569,944
Installment and other loans		43		—		—		—		43		3,057		3,100
Total loans	$	118,402	$	25,474	$	4,982	$	67,684	$	216,542	$	15,427,854	$	15,644,396

Schedule Of Troubled Debt Restructurings [Table Text Block]

	Three Months Ended March 31, 2021								March 31, 2021
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		1	$	686	$	686	$	—	$	—
Total		1	$	686	$	686	$	—	$	—

	Three Months Ended March 31, 2020								March 31, 2020
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		2	$	534	$	534	$	—	$	—
Total		2	$	534	$	534	$	—	$	—

Financing Receivable, Troubled Debt Restructuring [Table Text Block]

	March 31, 2021
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	4,544	$	—	$	—	$	4,544
Commercial mortgage loans		524		5,607		13,322		19,453
Residential mortgage loans		1,686		262		1,919		3,867
Total accruing TDRs	$	6,754	$	5,869	$	15,241	$	27,864

	December 31, 2020
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	3,983	$	—	$	—	$	3,983
Commercial mortgage loans		515		5,635		13,425		19,575
Residential mortgage loans		1,724		275		2,164		4,163
Total accruing TDRs	$	6,222	$	5,910	$	15,589	$	27,721

Non Accrual Troubled Debt Restructurings [Table Text Block]

	March 31, 2021
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	8,150	$	—	$	—	$	8,150
Residential mortgage loans		511		—		—		511
Total non-accrual TDRs	$	8,661	$	—	$	—	$	8,661

	December 31, 2020
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	8,462	$	—	$	—	$	8,462
Residential mortgage loans		523		—		—		523
Total non-accrual TDRs	$	8,985	$	—	$	—	$	8,985

Activity Within The Troubled Debt Resturings [Table Text Block]

	Three Months Ended March 31,
	2021			2020
	(In thousands)
Accruing TDRs
Beginning balance	$	27,721		$	35,336
New restructurings		686			534
Payments		(543	)		(1,506	)
Ending balance	$	27,864		$	34,364

	Three Months Ended March 31,
	2021			2020
	(In thousands)
Non-accrual TDRs
Beginning balance	$	8,985		$	18,048
Payments		(324	)		(159	)
Ending balance	$	8,661		$	17,889

Financing Receivable Credit Quality Indicators [Table Text Block]

	December 31, 2020
	Pass/Watch		Special Mention		Substandard		Doubtful		Total
	(In thousands)
Commercial loans	$	2,581,128	$	141,344	$	108,788	$	5,573	$	2,836,833
Real estate construction loans		593,196		82,010		4,286		—		679,492
Commercial mortgage loans		7,202,568		186,283		166,176		—		7,555,027
Residential mortgage loans and equity lines		4,547,052		11,647		11,245		—		4,569,944
Installment and other loans		3,100		—		—		—		3,100
Total gross loans	$	14,927,044	$	421,284	$	290,495	$	5,573	$	15,644,396

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

	Loans Amortized Cost Basis by Origination Year
March 31, 2021	2021		2020		2019			2018			2017		Prior			Revolving Loans			Revolving Converted to Term Loans			Total
	(In thousands)
Commercial loans
Pass	$	255,423	$	527,049	$	316,832		$	245,195		$	125,699	$	94,080		$	1,088,480		$	8,055		$	2,660,813
Special Mention		—		100		16,458			7,535			3,265		31			43,466			246			71,101
Substandard		—		11,537		20,564			29,395			10,834		4,738			67,426			6,207			150,701
Doubtful		—		—		—			—			—		—			2,244			—			2,244
Total		255,423		538,686		353,854			282,125			139,798		98,849			1,201,616			14,508			2,884,859
YTD period charge-offs		—		23		50			366			—		—			8,699			—			9,138
YTD period recoveries		—		—		—			(4	)		—		(156	)		(1,109	)		—			(1,269	)
Net		—		23		50			362			—		(156	)		7,590			—			7,869
Real estate construction loans
Pass		38,405		224,620		162,973			131,063			58,557		—			—			—			615,618
Special Mention		—		33,083		6,373			15,822			—		—			—			—			55,278
Substandard		—		—		—			—			—		4,189			—			—			4,189
Total		38,405		257,703		169,346			146,885			58,557		4,189			—			—			675,085
YTD period charge-offs		—		—		—			—			—		—			—			—			—
YTD period recoveries		—		—		—			—			—		—			—			—			—
Net		—		—		—			—			—		—			—			—			—
Commercial mortgage loans
Pass		325,895		1,393,092		1,373,968			1,283,094			933,711		1,723,499			171,529			—			7,204,788
Special Mention		—		23,492		29,476			22,138			26,290		88,360			5,753			—			195,509
Substandard		—		628		6,832			47,145			3,608		89,479			377			—			148,069
Total		325,895		1,417,212		1,410,276			1,352,377			963,609		1,901,338			177,659			—			7,548,366
YTD period charge-offs		—		—		—			—			—		—			—			—			—
YTD period recoveries		—		—		(60	)		—			—		(7	)		(28	)		—			(95	)
Net		—		—		(60	)		—			—		(7	)		(28	)		—			(95	)
Residential mortgage loans
Pass		182,269		749,890		820,791			635,500			546,962		1,146,581			—			—			4,081,993
Special Mention		—		334		4,749			3,170			1,717		4,023			—			—			13,993
Substandard		—		18		809			2,300			564		4,140			—			—			7,831
Total		182,269		750,242		826,349			640,970			549,243		1,154,744			—			—			4,103,817
YTD period charge-offs		—		—		—			—			—		—			—			—			—
YTD period recoveries		—		—		—			—			—		(7	)		—			—			(7	)
Net		—		—		—			—			—		(7	)		—			—			(7	)
Equity lines
Pass		—		—		—			—			—		10			392,712			34,804			427,526
Special Mention		—		—		—			—			—		—			925			—			925
Substandard		—		—		—			—			—		—			330			729			1,059
Total		—		—		—			—			—		10			393,967			35,533			429,510
YTD period charge-offs		—		—		—			—			—		—			—			—			—
YTD period recoveries		—		—		—			—			—		—			(3	)		(6	)		(9	)
Net		—		—		—			—			—		—			(3	)		(6	)		(9	)
Installment and other loans
Pass		953		2,386		—			—			—		—			—			—			3,339
Total		953		2,386		—			—			—		—			—			—			3,339
YTD period charge-offs		—		—		—			—			—		—			—			—			—
YTD period recoveries		—		—		—			—			—		—			—			—			—
Net		—		—		—			—			—		—			—			—			—
Total loans	$	802,945	$	2,966,229	$	2,759,825		$	2,422,357		$	1,711,207	$	3,159,130		$	1,773,242		$	50,041		$	15,644,976
Net charge-offs/(recoveries)	$	—	$	23	$	(10	)	$	362		$	—	$	(170	)	$	7,559		$	(6	)	$	7,758

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)
2021 Beginning Balance	$	68,742		$	30,854		$	49,205		$	17,737		$	—		$	166,538
Impact of ASU 2016-13 adoption		(28,748	)		(25,332	)		35,335			19,330			9			594
Allowance for loan losses, January 1, 2021		39,994			5,522			84,540			37,067			9			167,132
Provision/(reversal) for possible credit losses		12,627			446			(18,946	)		(6,231	)		(6	)		(12,110	)
Charge-offs		(9,138	)		—			—			—			—			(9,138	)
Recoveries		1,269			—			95			16			—			1,380
Net (charge-offs)/recoveries		(7,869	)		—			95			16			—			(7,758	)
March 31, 2021 Ending Balance	$	44,752		$	5,968		$	65,689		$	30,852		$	3		$	147,264
Allowance for unfunded credit commitments December 31, 2020	$	4,802		$	690		$	101		$	284		$	3		$	5,880
Impact of ASU 2016-13 adoption		(3,347	)		4,274			(101	)		(284	)		(3	)		539
Allowance for loan losses, January 1, 2021		1,455			4,964			—			—			—			6,419
Provision/(reversal) for possible credit losses		125			(1,574	)		—			—			—			(1,449	)
Allowance for unfunded credit commitments March 31, 2021	$	1,580		$	3,390		$	—		$	—		$	—		$	4,970

								Residential
				Real Estate		Commercial		Mortgage Loans		Installment
	Commercial			Construction		Mortgage		and		and Other
	Loans			Loans		Loans		Equity Lines		Loans			Total
	(In thousands)
2020 Beginning Balance	$	57,021		$	19,474	$	33,602	$	13,108	$	19		$	123,224
Provision/(reversal) for possible credit losses		10,891			3,748		6,129		4,251		(19	)		25,000
Charge-offs		(1,321	)		—		—		—		—			(1,321	)
Recoveries		1,208			—		155		7		—			1,370
Net (charge-offs)/recoveries		(113	)		—		155		7		—			49
March 31, 2020 Ending Balance	$	67,799		$	23,222	$	39,886	$	17,366	$	—		$	148,273
Reserve for impaired loans	$	2,827		$	—	$	405	$	219	$	—		$	3,451
Reserve for non-impaired loans	$	64,972		$	23,222	$	39,481	$	17,147	$	—		$	144,822
Reserve for off-balance sheet credit commitments	$	1,296		$	1,233	$	177	$	304	$	3		$	3,013

Impairment Method [Member]

Notes Tables

Impaired Financing Receivables [Table Text Block]

	December 31, 2020
			Real Estate		Commercial		Residential		Installment
	Commercial		Construction		Mortgage		Mortgage Loans		and
	Loans		Loans		Loans		and Equity Lines		Other Loans		Total
	(In thousands)
Loans individually evaluated for impairment
Allowance	$	1,030	$	—	$	5,254	$	145	$	—	$	6,429
Balance	$	27,070	$	4,286	$	53,289	$	10,760	$	—	$	95,405
Loans collectively evaluated for impairment
Allowance	$	67,712	$	30,854	$	43,951	$	17,592	$	—	$	160,109
Balance	$	2,809,763	$	675,206	$	7,501,738	$	4,559,184	$	3,100	$	15,548,991
Total allowance	$	68,742	$	30,854	$	49,205	$	17,737	$	—	$	166,538
Total balance	$	2,836,833	$	679,492	$	7,555,027	$	4,569,944	$	3,100	$	15,644,396

XML

Note 10 - Leases (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Operating Lease, Assets and Liabilities, Weighted Average Remaining Terms and Discount Rate [Table Text Block]

	March 31, 2021			December 31, 2020
	($ In millions)
Operating Leases:
ROU assets	$	32.9		$	30.9
Lease liabilities	$	35.8		$	33.5
Weighted-average remaining lease term (in years)		4.8			4.7
Weighted-average discount rate		2.63	%		2.77	%

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

	As of March 31, 2021
	Operating Leases
	(In thousands)
Remaining 2021	$	7,183
2022		9,165
2023		7,794
2024		5,427
2025		3,307
Thereafter		5,352
Total lease payments		38,228
Less amount of payment representing interest		(2,425	)
Total present value of lease payments	$	35,803

	As of December 31, 2020
	Operating Leases
	(In thousands)
2021	$	9,384
2022		8,335
2023		6,890
2024		4,635
2025		2,520
Thereafter		4,153
Total lease payments		35,917
Less amount of payment representing interest		(2,433	)
Total present value of lease payments	$	33,484

XML

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

3 Months Ended

Mar. 31, 2021

Notes Tables

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

	March 31, 2021
	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	$	40,720	$	—	$	—	$	40,720
U.S. government agency entities		—		96,051		—		96,051
Mortgage-backed securities		—		668,424		—		668,424
Collateralized mortgage obligations		—		10,127		—		10,127
Corporate debt securities		—		93,522		—		93,522
Total securities available-for-sale	$	40,720	$	868,124	$	—	$	908,844
Equity securities
Mutual funds	$	6,301	$	—	$	—	$	6,301
Preferred stock of government sponsored entities		3,328		—		—		3,328
Other equity securities		11,364		—		—		11,364
Total equity securities	$	20,993	$	—	$	—	$	20,993
Warrants	$	—	$	—	$	16	$	16
Interest rate swaps		—		3,615		—		3,615
Foreign exchange contracts		—		2,891		—		2,891
Total assets	$	61,713	$	874,630	$	16	$	936,359
Liabilities
Interest rate swaps	$	—	$	12,116	$	—	$	12,116
Foreign exchange contracts		—		2,550		—		2,550
Total liabilities	$	—	$	14,666	$	—	$	14,666

	December 31, 2020
	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	$	80,948	$	—	$	—	$	80,948
U.S. government agency entities		—		99,838		—		99,838
Mortgage-backed securities		—		727,068		—		727,068
Collateralized mortgage obligations		—		10,324		—		10,324
Corporate debt securities		—		118,372		—		118,372
Total securities available-for-sale	$	80,948	$	955,602	$	—	$	1,036,550
Equity securities
Mutual funds	$	6,413	$	—	$	—	$	6,413
Preferred stock of government sponsored entities		5,485		—		—		5,485
Other equity securities		11,846		—		—		11,846
Total equity securities	$	23,744	$	—	$	—	$	23,744
Warrants	$	—	$	—	$	21	$	21
Interest rate swaps		—		3,409		—		3,409
Foreign exchange contracts		—		4,658		—		4,658
Total assets	$	104,692	$	963,669	$	21	$	1,068,382
Liabilities
Interest rate swaps	$	—	$	10,286	$	—	$	10,286
Foreign exchange contracts		—		2,200		—		2,200
Total liabilities	$	—	$	12,486	$	—	$	12,486

Fair Value Measurements, Nonrecurring [Table Text Block]

	As of March 31, 2021								Total Losses
	Fair Value Measurements Using						Total Fair Value		For the Three Months Ended
	Level 1		Level 2		Level 3		Measurements		March 31, 2021		March 31, 2020
	(In thousands)
Assets
Loans held-for-investment:
Commercial loans	$	—	$	—	$	14,258	$	14,258	$	—	$	—
Commercial mortgage loans		—		—		11,029		11,029		—		—
Total loans held-for-investment		—		—		25,287		25,287		—		—
Other real estate owned (1)		—		905		4,236		5,141		—		336
Investments in venture capital and private company stock		—		—		1,094		1,094		71		33
Total assets	$	—	$	905	$	30,617	$	31,522	$	71	$	369

	As of December 31, 2020								Total Losses
	Fair Value Measurements Using						Total Fair Value		For the Twelve Months Ended
	Level 1		Level 2		Level 3		Measurements		December 31, 2020		December 31, 2019
	(In thousands)
Assets
Impaired loans by type:
Commercial loans	$	—	$	—	$	5,342	$	5,342	$	7,012	$	—
Commercial mortgage loans		—		—		25,749		25,749		—		—
Residential mortgage loans and equity lines		—		—		4,307		4,307		—		—
Total impaired loans		—		—		35,398		35,398		7,012		—
Other real estate owned (1)		—		905		4,236		5,141		717		681
Investments in venture capital and private company stock		—		—		1,381		1,381		107		167
Total assets	$	—	$	905	$	41,015	$	41,920	$	7,836	$	848

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

	March 31, 2021				December 31, 2020
	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
	(In thousands)
Financial Assets
Cash and due from banks	$	141,885	$	141,885	$	138,616	$	138,616
Short-term investments		1,612,411		1,612,411		1,282,462		1,282,462
Securities available-for-sale		908,844		908,844		1,036,550		1,036,550
Loans, net		15,497,712		16,094,374		15,475,364		16,103,471
Equity securities		20,993		20,993		23,744		23,744
Investment in Federal Home Loan Bank stock		17,250		17,250		17,250		17,250
Warrants		16		16		21		21

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Foreign exchange contracts	$	154,340	$	2,891	$	151,244	$	4,658
Interest rate swaps		496,140		3,615		96,889		3,409

	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
Financial Liabilities
Deposits	$	16,353,633	$	16,364,101	$	16,109,401	$	16,125,808
Advances from Federal Home Loan Bank		75,000		77,691		150,000		155,133
Other borrowings		23,333		19,861		23,714		19,632
Long-term debt		119,136		64,892		119,136		65,487

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Foreign exchange contracts	$	96,119	$	2,550	$	132,813	$	2,200
Interest rate swaps		662,228		12,116		679,648		10,286

	Notional					Notional
	Amount		Fair Value			Amount		Fair Value
Off-Balance Sheet Financial Instruments
Commitments to extend credit	$	3,095,013	$	(9,614	)	$	2,977,528	$	(8,432	)
Standby letters of credit		237,488		(1,720	)		234,200		(1,630	)
Other letters of credit		21,975		(19	)		16,821		(16	)
Bill of lading guarantees		—		—			238		—

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

	As of March 31, 2021
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	141,885	$	141,885	$	—	$	—
Short-term investments		1,612,411		1,612,411		—		—
Securities available-for-sale		908,844		40,720		868,124		—
Loans, net		16,094,374		—		—		16,094,374
Equity securities		20,993		20,993		—		—
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Warrants		16		—		—		16
Financial Liabilities
Deposits		16,364,101		—		—		16,364,101
Advances from Federal Home Loan Bank		77,691		—		77,691		—
Other borrowings		19,861		—		—		19,861
Long-term debt		64,892		—		64,892		—

	As of December 31, 2020
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	138,616	$	138,616	$	—	$	—
Short-term investments		1,282,462		1,282,462		—		—
Securities available-for-sale		1,036,550		80,948		955,602		—
Loans, net		16,103,471		—		—		16,103,471
Equity securities		23,744		23,744		—		—
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Warrants		21		—		—		21
Financial Liabilities
Deposits		16,125,808		—		—		16,125,808
Advances from Federal Home Loan Bank		155,133		—		155,133		—
Other borrowings		19,632		—		—		19,632
Long-term debt		65,487		—		65,487		—

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Note 15 - Financial Derivatives (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

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

	March 31, 2021			December 31, 2020
Cash flow swap hedges:	(In thousands)
Notional	$	119,136		$	119,136
Weighted average fixed rate-pay		2.61	%		2.61	%
Weighted average variable rate-receive		0.19	%		0.44	%
Unrealized loss, net of taxes (1)	$	(5,627	)	$	(6,890	)

	Three months ended
	March 31, 2021		March 31, 2020
Periodic net settlement of swaps (2)	$	711	$	255

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

	March 31, 2021			December 31, 2020
Fair value swap hedges:	(In thousands)
Notional	$	819,820		$	478,266
Weighted average fixed rate-pay		3.26	%		4.56	%
Weighted average variable rate spread		1.70	%		2.46	%
Weighted average variable rate-receive		1.82	%		3.11	%
Net unrealized loss (1)	$	(10,735	)	$	(15,082	)

	Three months ended
	March 31, 2021			March 31, 2020
Periodic net settlement of SWAPs (2)	$	(2,387	)	$	(643	)

Derivatives Not Designated as Hedging Instruments [Table Text Block]

	March 31, 2021			December 31, 2020
Derivative financial instruments not designated as hedging instruments:	(In thousands)
Notional amounts:
Spot, forward, and swap contracts with positive fair value	$	154,340		$	151,244
Spot, forward, and swap contracts with negative fair value	$	96,119		$	132,813
Fair value:
Spot, forward, and swap contracts with positive fair value	$	2,891		$	4,658
Spot, forward, and swap contracts with negative fair value	$	(2,550	)	$	(2,200	)

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Note 16 - Balance Sheet Offsetting (Tables)

3 Months Ended

Mar. 31, 2021

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)
March 31, 2021
Assets:
Derivatives	$	3,615	$	—		$	3,615	$	—	$	—	$	3,615
Liabilities:
Derivatives	$	21,143	$	(9,027	)	$	12,116	$	—	$	—	$	12,116
December 31, 2020
Assets:
Derivatives	$	3,409	$	—		$	3,409	$	—	$	—	$	3,409
Liabilities:
Derivatives	$	28,258	$	(17,972	)	$	10,286	$	—	$	—	$	10,286

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Note 17 - Revenue from Contracts with Customers (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three months Ended March 31,
	2021		2020
	(In thousands)
Non-interest income, in-scope:
Fees and service charges on deposit accounts	$	2,112	$	2,054
Wealth management fees		3,557		3,137
Other service fees(1)		3,491		3,372
Total noninterest income		9,160		8,563
Noninterest income, not in-scope(2)		840		(2,777	)
Total noninterest income	$	10,000	$	5,786

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Note 18 - Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

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

	Three months ended March 31, 2021									Three months ended March 31, 2020
	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							$	12,200								$	5,714
Cash flow hedge derivatives								(6,890	)								(3,412	)
Total							$	5,310								$	2,302
Net unrealized gains/(losses) arising during the period
Securities available-for-sale	$	(6,085	)	$	(1,799	)	$	(4,286	)	$	16,833		$	4,976		$	11,857
Cash flow hedge derivatives		1,793			530			1,263			(6,073	)		(1,795	)		(4,278	)
Total	$	(4,292	)	$	(1,269	)	$	(3,023	)	$	10,760		$	3,181		$	7,579
Reclassification adjustment for net losses in net income
Securities available-for-sale		(853	)		(252	)		(601	)		(6	)		(2	)		(4	)
Cash flow hedge derivatives		—			—			—			—			—			—
Total		(853	)		(252	)		(601	)		(6	)		(2	)		(4	)
Total other comprehensive income/(loss)
Securities available-for-sale	$	(6,938	)	$	(2,051	)	$	(4,887	)	$	16,827		$	4,974		$	11,853
Cash flow hedge derivatives		1,793			530			1,263			(6,073	)		(1,795	)		(4,278	)
Total	$	(5,145	)	$	(1,521	)	$	(3,624	)	$	10,754		$	3,179		$	7,575
Ending balance, gain/(loss), net of tax
Securities available-for-sale							$	7,313								$	17,567
Cash flow hedge derivatives								(5,627	)								(7,690	)
Total							$	1,686								$	9,877

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Note 1 - Business (Details Textual)	Mar. 31, 2021
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	25
Northern California 1 [Member]
Number Of Branch Locations	13
NEW YORK
Number Of Branch Locations	10
WASHINGTON
Number Of Branch Locations	4
ILLINOIS
Number Of Branch Locations	3
TEXAS
Number Of Branch Locations	2
NEW JERSEY
Number Of Branch Locations	1
HONG KONG
Number Of Branch Locations	1
MARYLAND
Number Of Branch Locations	1
MASSACHUSETTS
Number Of Branch Locations	1
NEVADA
Number Of Branch Locations	1

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Note 3 - Recent Accounting Pronouncements (Details Textual) - USD ($) $ in Thousands	Mar. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
Retained Earnings (Accumulated Deficit), Ending Balance	$ 1,837,261		$ 1,789,325
Loans and Leases Receivable, Allowance, Ending Balance	$ 147,264		166,538
Off-Balance Sheet, Credit Loss, Liability, Ending Balance			$ 5,880
Accounting Standards Update 2016-13 [Member]
Retained Earnings (Accumulated Deficit), Ending Balance		$ (800)
Loans and Leases Receivable, Allowance, Ending Balance		600
Off-Balance Sheet, Credit Loss, Liability, Ending Balance		$ 500

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Note 3 - Recent Accounting Pronouncements - Cumulative Effect of Changes (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Jan. 01, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Allowance for credit losses on loans	$ 147,264		$ 166,538
Deferred tax assets			85,610
Allowance for unfunded commitments			5,880
Stockholders' equity	$ 2,463,289		$ 2,418,144	$ 2,313,037	$ 2,294,283
Cumulative Effect, Period of Adoption, Adjustment [Member]
Allowance for credit losses on loans		$ 594
Deferred tax assets		335
Allowance for unfunded commitments		539
Stockholders' equity		(798)
Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Allowance for credit losses on loans		167,132
Deferred tax assets		85,945
Allowance for unfunded commitments		6,419
Stockholders' equity		$ 2,417,346

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Note 4 - Cash, Cash Equivalents and Restricted Cash (Details Textual) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Average Reserve Balances Required to be Maintained with Federal Bank	$ 0	$ 60
Margin Deposit Assets	30,800	34,700
Restricted Cash, Total	4,200	9,300
Bank [Member]
Margin Deposit Assets	$ 10,000	$ 11,900

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Note 5 - Earnings Per Share - Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Net income	$ 73,384	$ 46,852
Basic weighted-average number of common shares outstanding (in shares)	79,530,777	79,588,076
Diluted weighted-average number of common shares outstanding (in shares)	79,832,305	79,830,025
Average restricted stock units with anti-dilutive effect (in shares)	71,108	47,399
Basic (in dollars per share)	$ 0.92	$ 0.59
Diluted (in dollars per share)	$ 0.92	$ 0.59
Restricted Stock Units (RSUs) [Member]
Dilutive effect of weighted-average outstanding common share equivalents RSUs (in shares)	301,528	241,949

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Note 6 - Stock-based Compensation (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Proceeds from Stock Options Exercised	$ 0
Benefit (Shortfall) of Tax Deductions from Share-based Compensation	$ 37	$ 300
2005 Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)	2,060,019
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	$ 1,200	1,500
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 7,200	$ 7,700
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	1 year 8 months 12 days
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%
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%

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Note 6 - Stock-based Compensation - Restricted Stock Units (Details)	3 Months Ended
	Mar. 31, 2021 $ / shares shares
Time-based Restricted Stock Units [Member]
Balance (in shares) | shares	292,670
Balance, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 33.37
Granted (in shares) | shares	13,509
Granted, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 39.77
Vested (in shares) | shares	(91,654)
Vested, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 41.88
Forfeited (in shares) | shares	(16,296)
Forfeited, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 30.62
Balance (in shares) | shares	198,229
Balance, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 30.10
Performance-based Restricted Stock Units [Member]
Balance (in shares) | shares	302,802
Balance, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 32.55
Granted (in shares) | shares	0
Granted, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 0
Vested (in shares) | shares	(8,537)
Vested, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 43.37
Forfeited (in shares) | shares	(5,008)
Forfeited, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 40.60
Balance (in shares) | shares	289,257
Balance, weighted-average grant date fair value (in dollars per share) | $ / shares	$ 32.09

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Note 7 - Investment Securities (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Interest Receivable	$ 58,216		$ 59,032
Equity Securities, FV-NI, Unrealized Gain (Loss), Total	(2,752)	$ (6,102)
Equity Securities, FV-NI	20,993		23,744
Debt Securities, Available-for-sale, Restricted	21,000		$ 23,700
Debt Securities, Available-for-sale [Member]
Interest Receivable	$ 2,300

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Note 7 - Investment Securities - Investment Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Investment securities available for sale, amortized cost	$ 898,463	$ 1,019,230
Investment securities available for sale, gross unrealized gains	16,534	18,779
Investment securities available for sale, gross unrealized losses	6,153	1,459
Investment securities available for sale, Estimated fair value	908,844	1,036,550
US Treasury Securities [Member]
Investment securities available for sale, amortized cost	40,709	80,948
Investment securities available for sale, gross unrealized gains	11	6
Investment securities available for sale, gross unrealized losses	0	6
Investment securities available for sale, Estimated fair value	40,720	80,948
US Government Corporations and Agencies Securities [Member]
Investment securities available for sale, amortized cost	95,637	99,944
Investment securities available for sale, gross unrealized gains	705	441
Investment securities available for sale, gross unrealized losses	291	546
Investment securities available for sale, Estimated fair value	96,051	99,839
Collateralized Mortgage Backed Securities [Member]
Investment securities available for sale, amortized cost	658,371	709,709
Investment securities available for sale, gross unrealized gains	15,292	17,965
Investment securities available for sale, gross unrealized losses	5,239	606
Investment securities available for sale, Estimated fair value	668,424	727,068
Collateralized Mortgage Obligations [Member]
Investment securities available for sale, amortized cost	10,201	10,358
Investment securities available for sale, gross unrealized gains	0	0
Investment securities available for sale, gross unrealized losses	74	34
Investment securities available for sale, Estimated fair value	10,127	10,324
Corporate Debt Securities [Member]
Investment securities available for sale, amortized cost	93,545	118,271
Investment securities available for sale, gross unrealized gains	526	367
Investment securities available for sale, gross unrealized losses	549	267
Investment securities available for sale, Estimated fair value	$ 93,522	$ 118,371

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Note 7 - Investment Securities - Investments by Contractual Maturity Date (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Due in one year or less, Amortized Cost	$ 85,713
Due in one year or less, Fair Value	85,764
Due after one year through five years, Amortized Cost	35,967
Due after one year through five years, Fair Value	35,481
Due after five years through ten years, Amortized Cost	175,943
Due after five years through ten years, Fair Value	180,203
Due after ten years, Amortized Cost	600,840
Due after ten years, Fair Value	607,396
Total, Amortized Cost	898,463	$ 1,019,230
Total, Fair Value	$ 908,844	$ 1,036,550

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Note 7 - Investment Securities - Temporarily Impaired Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Temporarily impaired securities, less than 12 months, fair value	$ 253,241	$ 137,572
Temporarily impaired securities, less than 12 months, unrealized losses	5,263	423
Temporarily impaired securities, 12 months or longer, fair value	31,746	48,295
Temporarily impaired securities, 12 months or longer, fair value	890	1,036
Temporarily impaired securities, total fair value	284,987	185,867
Temporarily impaired securities, total unrealized losses	6,153	1,459
US Government Corporations and Agencies Securities [Member]
Temporarily impaired securities, less than 12 months, fair value	12,930	26,390
Temporarily impaired securities, less than 12 months, unrealized losses	11	102
Temporarily impaired securities, 12 months or longer, fair value	23,662	40,009
Temporarily impaired securities, 12 months or longer, fair value	280	444
Temporarily impaired securities, total fair value	36,592	66,399
Temporarily impaired securities, total unrealized losses	291	546
US Treasury Securities [Member]
Temporarily impaired securities, less than 12 months, fair value		40,952
Temporarily impaired securities, less than 12 months, unrealized losses		6
Temporarily impaired securities, 12 months or longer, fair value		0
Temporarily impaired securities, 12 months or longer, fair value		0
Temporarily impaired securities, total fair value		40,952
Temporarily impaired securities, total unrealized losses		6
Collateralized Mortgage Backed Securities [Member]
Temporarily impaired securities, less than 12 months, fair value	190,914	1,694
Temporarily impaired securities, less than 12 months, unrealized losses	4,638	23
Temporarily impaired securities, 12 months or longer, fair value	7,903	8,093
Temporarily impaired securities, 12 months or longer, fair value	601	583
Temporarily impaired securities, total fair value	198,817	9,787
Temporarily impaired securities, total unrealized losses	5,239	606
Collateralized Mortgage Obligations [Member]
Temporarily impaired securities, less than 12 months, fair value	9,946	10,131
Temporarily impaired securities, less than 12 months, unrealized losses	65	25
Temporarily impaired securities, 12 months or longer, fair value	181	193
Temporarily impaired securities, 12 months or longer, fair value	9	9
Temporarily impaired securities, total fair value	10,127	10,324
Temporarily impaired securities, total unrealized losses	74	34
Corporate Debt Securities [Member]
Temporarily impaired securities, less than 12 months, fair value	39,451	58,405
Temporarily impaired securities, less than 12 months, unrealized losses	549	267
Temporarily impaired securities, 12 months or longer, fair value	0	0
Temporarily impaired securities, 12 months or longer, fair value	0	0
Temporarily impaired securities, total fair value	39,451	58,405
Temporarily impaired securities, total unrealized losses	$ 549	$ 267

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Note 8 - Loans (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Impaired Financing Receivable, Recorded Investment, Total	$ 94,446	$ 95,405
Percentage Of Charge Off To Contractual Balances For Impaired Loans	15.10%	7.10%
Financing Receivable, Troubled Debt Restructuring, Subsequent Default	$ 0
Financing Receivable, Troubled Debt Restructuring, Commitment to Lend	0
Loans and Leases Receivable, Gross, Total	15,651,848	$ 15,644,396
Loans and Leases Receivable, Allowance, Ending Balance	147,264	166,538
Commercial Real Estate Portfolio Segment [Member]
Loans and Leases Receivable, Gross, Total	$ 7,549,522	7,555,027
Loans and Leases Receivable, Allowance, Ending Balance		49,205
Financing Receivable, Number of Contracts with Modifications	7
Loans and Leases Receivable with Modifications, Gross	$ 56,100
Financing Receivable with Modifications, Percentage of Total Commercial Real Estate Loans	0.70%
Commercial Portfolio Segment [Member]
Loans and Leases Receivable, Gross, Total	$ 2,890,693	2,836,833
Loans and Leases Receivable, Allowance, Ending Balance		68,742
Financing Receivable, Number of Contracts with Modifications	6
Loans and Leases Receivable with Modifications, Gross	$ 38,000
Financing Receivable with Modifications, Percentage of Total Commercial Real Estate Loans	1.30%
Residential Portfolio Segment [Member]
Loans and Leases Receivable, Gross, Total	$ 4,102,203	4,145,389
Financing Receivable with Modifications, Percentage of Total Commercial Real Estate Loans	0.80%
Financing Receivable, Number of Contracts with Approved Forbearance Requests	52
Loans and Leases Receivable with Approved Forbearance Requests, Gross	$ 31,400
HELOC Loans [Member]
Financing Receivable with Modifications, Percentage of Total Commercial Real Estate Loans	0.30%
Financing Receivable, Number of Contracts with Approved Forbearance Requests	2
Loans and Leases Receivable with Approved Forbearance Requests, Gross	$ 1,100
SBA's Paycheck Protection Program [Member]
Financing Receivable, Number of Contracts	2,770
Loans and Leases Receivable, Gross, Total	$ 334,400
Loans and Leases Receivable, Forgiven	71,900
Loans and Leases Receivable, Allowance, Ending Balance	$ 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, Total		67,700
Accruing Troubled Debt Restructuring [Member]
Impaired Financing Receivable, Recorded Investment, Total		27,700
Financing Receivable, Troubled Debt Restructuring	$ 27,900	27,700
Troubled Debt Restructuring, Specific Reserves	56	122
Non-accruing Troubled Debt Restructuring [Member]
Financing Receivable, Troubled Debt Restructuring	8,600	9,000
Troubled Debt Restructuring, Specific Reserves	$ 1	$ 24

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Note 8 - Loans - Components of Loans in Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Loans	$ 15,651,848	$ 15,644,396
Less: Allowance for loan losses	(147,264)	(166,538)
Unamortized deferred loan fees, net	(6,872)	(2,494)
Loans, net	15,497,712	15,475,364
Commercial Portfolio Segment [Member]
Loans	2,890,693	2,836,833
Less: Allowance for loan losses		(68,742)
Residential Portfolio Segment [Member]
Loans	4,102,203	4,145,389
Commercial Real Estate Portfolio Segment [Member]
Loans	7,549,522	7,555,027
Less: Allowance for loan losses		(49,205)
Real Estate Construction Portfolio Segment [Member]
Loans	677,816	679,492
Less: Allowance for loan losses		(30,854)
Equity Lines Portfolio Segment [Member]
Loans	428,318	424,555
Installment and Other Loans [Member ]
Loans	$ 3,296	$ 3,100

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Note 8 - Loans - Average Balance and Interest Income Recognized Related to Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Average Recorded Investment	$ 81,040	$ 80,233
Interest Income Recognized	174	698
Commercial Portfolio Segment [Member]
Average Recorded Investment	28,268	28,316
Interest Income Recognized	12	70
Real Estate Construction Portfolio Segment [Member]
Average Recorded Investment	4,229	4,506
Interest Income Recognized	97	98
Commercial Real Estate Portfolio Segment [Member]
Average Recorded Investment	40,116	36,040
Interest Income Recognized	57	459
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Average Recorded Investment	8,427	11,371
Interest Income Recognized	$ 8	$ 71

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Note 8 - Loans - Impaired Loans and Related Allowance for Credit Losses (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Loans with no related allowance, unpaid principal balance	$ 72,959	$ 58,816
Loans with no related allowance, recorded investment	58,467	53,578
Loans with related allowance, unpaid principal balance	36,097	49,842
Loans with related allowance, recorded investment	35,979	41,827
Allowance	10,692	6,429
Unpaid principal balance	109,056	108,658
Recorded investment	94,446	95,405
Commercial Portfolio Segment [Member]
Loans with no related allowance, unpaid principal balance	30,111	23,784
Loans with no related allowance, recorded investment	18,534	20,698
Loans with related allowance, unpaid principal balance	19,864	13,703
Loans with related allowance, recorded investment	19,817	6,372
Allowance	5,559	1,030
Real Estate Construction Portfolio Segment [Member]
Loans with no related allowance, unpaid principal balance	5,776	5,776
Loans with no related allowance, recorded investment	4,189	4,286
Commercial Real Estate Portfolio Segment [Member]
Loans with no related allowance, unpaid principal balance	27,867	22,877
Loans with no related allowance, recorded investment	27,199	22,287
Loans with related allowance, unpaid principal balance	16,233	31,134
Loans with related allowance, recorded investment	16,162	31,003
Allowance	5,133	5,254
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans with no related allowance, unpaid principal balance	9,205	6,379
Loans with no related allowance, recorded investment	$ 8,545	6,307
Loans with related allowance, unpaid principal balance		5,005
Loans with related allowance, recorded investment		4,452
Allowance		$ 145

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Note 8 - Loans - Aging of Loan Portfolio (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Loans past due	$ 140,650	$ 216,542
Non-accrual loans	94,446	67,684
Loans not past due	15,511,198	15,427,854
Loans	15,651,848	15,644,396
Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	41,802	118,402
Financial Asset, 60 to 89 Days Past Due [Member]
Loans past due	2,264	25,474
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans past due	2,138	4,982
Commercial Portfolio Segment [Member]
Loans past due	55,721	81,817
Non-accrual loans	38,351	23,087
Loans not past due	2,834,972	2,755,016
Loans	2,890,693	2,836,833
Commercial Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	13,845	52,601
Commercial Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans past due	1,645	3,182
Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans past due	1,880	2,947
Real Estate Construction Portfolio Segment [Member]
Loans past due	4,189	10,543
Non-accrual loans	4,189	4,286
Loans not past due	673,627	668,949
Loans	677,816	679,492
Real Estate Construction Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	0	6,257
Real Estate Construction Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans past due	0	0
Real Estate Construction Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans past due	0	0
Commercial Real Estate Portfolio Segment [Member]
Loans past due	50,552	99,005
Non-accrual loans	43,361	33,715
Loans not past due	7,498,970	7,456,022
Loans	7,549,522	7,555,027
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	6,659	45,186
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans past due	274	18,069
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans past due	258	2,035
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans past due	30,188	25,134
Non-accrual loans	8,545	6,596
Loans not past due	4,500,333	4,544,810
Loans	4,530,521	4,569,944
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	21,298	14,315
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans past due	345	4,223
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans past due	0	0
Installment and Other Loans [Member ]
Loans past due	0	43
Non-accrual loans	0	0
Loans not past due	3,296	3,057
Loans	3,296	3,100
Installment and Other Loans [Member ] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	0	43
Installment and Other Loans [Member ] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans past due	0	0
Installment and Other Loans [Member ] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans past due	$ 0	$ 0

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Note 8 - Loans - Troubled Debt Restructuring (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)
No. of Contracts	1	2
Pre-Modification Outstanding Recorded Investment	$ 686	$ 534
Post-Modification Outstanding Recorded Investment	686	534
Charge-offs	0	0
Commercial loans	$ 0	$ 0
Commercial Portfolio Segment [Member]
No. of Contracts	1	2
Pre-Modification Outstanding Recorded Investment	$ 686	$ 534
Post-Modification Outstanding Recorded Investment	686	534
Charge-offs	0	0
Commercial loans	$ 0	$ 0

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Note 8 - Loans - Accruing Troubled Debt Restructurings (Details) - Accruing Troubled Debt Restructuring [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Accruing TDRs	$ 27,864	$ 27,721	$ 34,364	$ 35,336
Payment Deferral [Member]
Accruing TDRs	6,754	6,222
Contractual Interest Rate Reduction [Member]
Accruing TDRs	5,869	5,910
Rate Reduction and Payment Deferral [Member]
Accruing TDRs	15,241	15,589
Commercial Portfolio Segment [Member]
Accruing TDRs	4,544	3,983
Commercial Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs	4,544	3,983
Commercial Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	0	0
Commercial Portfolio Segment [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	0	0
Commercial Real Estate Portfolio Segment [Member]
Accruing TDRs	19,453	19,575
Commercial Real Estate Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs	524	515
Commercial Real Estate Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	5,607	5,635
Commercial Real Estate Portfolio Segment [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	13,322	13,425
Residential Portfolio Segment [Member]
Accruing TDRs	3,867	4,163
Residential Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs	1,686	1,724
Residential Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	262	275
Residential Portfolio Segment [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	$ 1,919	$ 2,164

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Note 8 - Loans - Non-accrual Troubled Debt Restructurings (Details) - Non-accruing Troubled Debt Restructuring [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Accruing TDRs	$ 8,661	$ 8,985	$ 17,889	$ 18,048
Payment Deferral [Member]
Accruing TDRs	8,661	8,985
Contractual Interest Rate Reduction [Member]
Accruing TDRs	0	0
Rate Reduction and Payment Deferral [Member]
Accruing TDRs	0	0
Commercial Portfolio Segment [Member]
Accruing TDRs	8,150	8,462
Commercial Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs	8,150	8,462
Commercial Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	0	0
Commercial Portfolio Segment [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	0	0
Residential Portfolio Segment [Member]
Accruing TDRs	511	523
Residential Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs	511	523
Residential Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	0	0
Residential Portfolio Segment [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	$ 0	$ 0

XML

Note 8 - Loans - Troubled Debt Restructuring Activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accruing Troubled Debt Restructuring [Member]
Beginning balance	$ 27,721	$ 35,336
New restructurings	686	534
Payments	(543)	(1,506)
Ending balance	27,864	34,364
Non-accruing Troubled Debt Restructuring [Member]
Beginning balance	8,985	18,048
Payments	(324)	(159)
Ending balance	$ 8,661	$ 17,889

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Note 8 - Loans - Portfolio by Risk Rating (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Loans	$ 15,651,848	$ 15,644,396
Commercial Portfolio Segment [Member]
Loans	2,890,693	2,836,833
Real Estate Construction Portfolio Segment [Member]
Loans	677,816	679,492
Commercial Real Estate Portfolio Segment [Member]
Loans	7,549,522	7,555,027
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans	4,530,521	4,569,944
Installment and Other Loans [Member ]
Loans	$ 3,296	3,100
Pass [Member]
Loans		14,927,044
Pass [Member] | Commercial Portfolio Segment [Member]
Loans		2,581,128
Pass [Member] | Real Estate Construction Portfolio Segment [Member]
Loans		593,196
Pass [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans		7,202,568
Pass [Member] | Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans		4,547,052
Pass [Member] | Installment and Other Loans [Member ]
Loans		3,100
Special Mention [Member]
Loans		421,284
Special Mention [Member] | Commercial Portfolio Segment [Member]
Loans		141,344
Special Mention [Member] | Real Estate Construction Portfolio Segment [Member]
Loans		82,010
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans		186,283
Special Mention [Member] | Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans		11,647
Special Mention [Member] | Installment and Other Loans [Member ]
Loans		0
Substandard [Member]
Loans		290,495
Substandard [Member] | Commercial Portfolio Segment [Member]
Loans		108,788
Substandard [Member] | Real Estate Construction Portfolio Segment [Member]
Loans		4,286
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans		166,176
Substandard [Member] | Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans		11,245
Substandard [Member] | Installment and Other Loans [Member ]
Loans		0
Doubtful [Member]
Loans		5,573
Doubtful [Member] | Commercial Portfolio Segment [Member]
Loans		5,573
Doubtful [Member] | Real Estate Construction Portfolio Segment [Member]
Loans		0
Doubtful [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans		0
Doubtful [Member] | Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans		0
Doubtful [Member] | Installment and Other Loans [Member ]
Loans		$ 0

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Note 8 - Loans - Loan Held for Investment by Loan Portfolio Segments, Internal Risk Ratings and Vintage Year (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Pass, Loans Amortized Cost Basis by Origination Year 2021	$ 802,945
Pass, Loans Amortized Cost Basis by Origination Year 2020	2,966,229
Pass, Loans Amortized Cost Basis by Origination Year 2019	2,759,825
Pass, Loans Amortized Cost Basis by Origination Year 2018	2,422,357
Pass, Loans Amortized Cost Basis by Origination Year 2017	1,711,207
Pass, Loans Amortized Cost Basis by Origination Year Prior	3,159,130
Pass, Revolving Loans	1,773,242
Pass, Revolving Converted to Term Loans	50,041
Pass	15,644,976
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2021	0
YTD period charge-offs	9,138	$ 1,321
YTD period recoveries	(1,380)	(1,370)
Net, Loans Amortized Cost Basis by Origination Year 2020	23
Net, Loans Amortized Cost Basis by Origination Year 2019	(10)
Net, Loans Amortized Cost Basis by Origination Year 2018	362
Net, Loans Amortized Cost Basis by Origination Year 2017	0
Net, Loans Amortized Cost Basis by Origination Year Prior	(170)
Net, Revolving Loans	7,559
Net, Revolving Converted to Term Loans	(6)
Net	7,758	(49)
Commercial Portfolio Segment [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	255,423
Pass, Loans Amortized Cost Basis by Origination Year 2020	538,686
Pass, Loans Amortized Cost Basis by Origination Year 2019	353,854
Pass, Loans Amortized Cost Basis by Origination Year 2018	282,125
Pass, Loans Amortized Cost Basis by Origination Year 2017	139,798
Pass, Loans Amortized Cost Basis by Origination Year Prior	98,849
Pass, Revolving Loans	1,201,616
Pass, Revolving Converted to Term Loans	14,508
Pass	2,884,859
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2021	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2020	23
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2019	50
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2018	366
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2017	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year Prior	0
YTD period charge-offs, Revolving Loans	8,699
YTD period charge-offs, Revolving Converted to Term Loans	0
YTD period charge-offs	9,138	1,321
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2021	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2020	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2019	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2018	(4)
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2017	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year Prior	(156)
YTD period recoveries, Revolving Loans	(1,109)
YTD period recoveries, Revolving Converted to Term Loans	0
YTD period recoveries	(1,269)	(1,208)
Net, Loans Amortized Cost Basis by Origination Year 2021	0
Net, Loans Amortized Cost Basis by Origination Year 2020	23
Net, Loans Amortized Cost Basis by Origination Year 2019	50
Net, Loans Amortized Cost Basis by Origination Year 2018	362
Net, Loans Amortized Cost Basis by Origination Year 2017	0
Net, Loans Amortized Cost Basis by Origination Year Prior	(156)
Net, Revolving Loans	7,590
Net, Revolving Converted to Term Loans	0
Net	7,869	113
Commercial Portfolio Segment [Member] | Pass [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	255,423
Pass, Loans Amortized Cost Basis by Origination Year 2020	527,049
Pass, Loans Amortized Cost Basis by Origination Year 2019	316,832
Pass, Loans Amortized Cost Basis by Origination Year 2018	245,195
Pass, Loans Amortized Cost Basis by Origination Year 2017	125,699
Pass, Loans Amortized Cost Basis by Origination Year Prior	94,080
Pass, Revolving Loans	1,088,480
Pass, Revolving Converted to Term Loans	8,055
Pass	2,660,813
Commercial Portfolio Segment [Member] | Special Mention [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	0
Pass, Loans Amortized Cost Basis by Origination Year 2020	100
Pass, Loans Amortized Cost Basis by Origination Year 2019	16,458
Pass, Loans Amortized Cost Basis by Origination Year 2018	7,535
Pass, Loans Amortized Cost Basis by Origination Year 2017	3,265
Pass, Loans Amortized Cost Basis by Origination Year Prior	31
Pass, Revolving Loans	43,466
Pass, Revolving Converted to Term Loans	246
Pass	71,101
Commercial Portfolio Segment [Member] | Substandard [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	0
Pass, Loans Amortized Cost Basis by Origination Year 2020	11,537
Pass, Loans Amortized Cost Basis by Origination Year 2019	20,564
Pass, Loans Amortized Cost Basis by Origination Year 2018	29,395
Pass, Loans Amortized Cost Basis by Origination Year 2017	10,834
Pass, Loans Amortized Cost Basis by Origination Year Prior	4,738
Pass, Revolving Loans	67,426
Pass, Revolving Converted to Term Loans	6,207
Pass	150,701
Commercial Portfolio Segment [Member] | Doubtful [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	0
Pass, Loans Amortized Cost Basis by Origination Year 2020	0
Pass, Loans Amortized Cost Basis by Origination Year 2019	0
Pass, Loans Amortized Cost Basis by Origination Year 2018	0
Pass, Loans Amortized Cost Basis by Origination Year 2017	0
Pass, Loans Amortized Cost Basis by Origination Year Prior	0
Pass, Revolving Loans	2,244
Pass, Revolving Converted to Term Loans	0
Pass	2,244
Real Estate Construction Portfolio Segment [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	38,405
Pass, Loans Amortized Cost Basis by Origination Year 2020	257,703
Pass, Loans Amortized Cost Basis by Origination Year 2019	169,346
Pass, Loans Amortized Cost Basis by Origination Year 2018	146,885
Pass, Loans Amortized Cost Basis by Origination Year 2017	58,557
Pass, Loans Amortized Cost Basis by Origination Year Prior	4,189
Pass, Revolving Loans	0
Pass, Revolving Converted to Term Loans	0
Pass	675,085
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2021	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2020	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2019	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2018	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2017	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year Prior	0
YTD period charge-offs, Revolving Loans	0
YTD period charge-offs, Revolving Converted to Term Loans	0
YTD period charge-offs	0	(0)
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2021	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2020	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2019	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2018	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2017	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year Prior	0
YTD period recoveries, Revolving Loans	0
YTD period recoveries, Revolving Converted to Term Loans	0
YTD period recoveries	0	0
Net, Loans Amortized Cost Basis by Origination Year 2021	0
Net, Loans Amortized Cost Basis by Origination Year 2020	0
Net, Loans Amortized Cost Basis by Origination Year 2019	0
Net, Loans Amortized Cost Basis by Origination Year 2018	0
Net, Loans Amortized Cost Basis by Origination Year 2017	0
Net, Loans Amortized Cost Basis by Origination Year Prior	0
Net, Revolving Loans	0
Net, Revolving Converted to Term Loans	0
Net	0	(0)
Real Estate Construction Portfolio Segment [Member] | Pass [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	38,405
Pass, Loans Amortized Cost Basis by Origination Year 2020	224,620
Pass, Loans Amortized Cost Basis by Origination Year 2019	162,973
Pass, Loans Amortized Cost Basis by Origination Year 2018	131,063
Pass, Loans Amortized Cost Basis by Origination Year 2017	58,557
Pass, Loans Amortized Cost Basis by Origination Year Prior	0
Pass, Revolving Loans	0
Pass, Revolving Converted to Term Loans	0
Pass	615,618
Real Estate Construction Portfolio Segment [Member] | Special Mention [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	0
Pass, Loans Amortized Cost Basis by Origination Year 2020	33,083
Pass, Loans Amortized Cost Basis by Origination Year 2019	6,373
Pass, Loans Amortized Cost Basis by Origination Year 2018	15,822
Pass, Loans Amortized Cost Basis by Origination Year 2017	0
Pass, Loans Amortized Cost Basis by Origination Year Prior	0
Pass, Revolving Loans	0
Pass, Revolving Converted to Term Loans	0
Pass	55,278
Real Estate Construction Portfolio Segment [Member] | Substandard [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	0
Pass, Loans Amortized Cost Basis by Origination Year 2020	0
Pass, Loans Amortized Cost Basis by Origination Year 2019	0
Pass, Loans Amortized Cost Basis by Origination Year 2018	0
Pass, Loans Amortized Cost Basis by Origination Year 2017	0
Pass, Loans Amortized Cost Basis by Origination Year Prior	4,189
Pass, Revolving Loans	0
Pass, Revolving Converted to Term Loans	0
Pass	4,189
Commercial Real Estate Portfolio Segment [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	325,895
Pass, Loans Amortized Cost Basis by Origination Year 2020	1,417,212
Pass, Loans Amortized Cost Basis by Origination Year 2019	1,410,276
Pass, Loans Amortized Cost Basis by Origination Year 2018	1,352,377
Pass, Loans Amortized Cost Basis by Origination Year 2017	963,609
Pass, Loans Amortized Cost Basis by Origination Year Prior	1,901,338
Pass, Revolving Loans	177,659
Pass, Revolving Converted to Term Loans	0
Pass	7,548,366
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2021	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2020	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2019	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2018	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2017	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year Prior	0
YTD period charge-offs, Revolving Loans	0
YTD period charge-offs, Revolving Converted to Term Loans	0
YTD period charge-offs	0	(0)
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2021	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2020	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2019	(60)
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2018	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2017	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year Prior	(7)
YTD period recoveries, Revolving Loans	(28)
YTD period recoveries, Revolving Converted to Term Loans	0
YTD period recoveries	(95)	(155)
Net, Loans Amortized Cost Basis by Origination Year 2021	0
Net, Loans Amortized Cost Basis by Origination Year 2020	0
Net, Loans Amortized Cost Basis by Origination Year 2019	(60)
Net, Loans Amortized Cost Basis by Origination Year 2018	0
Net, Loans Amortized Cost Basis by Origination Year 2017	0
Net, Loans Amortized Cost Basis by Origination Year Prior	(7)
Net, Revolving Loans	(28)
Net, Revolving Converted to Term Loans	0
Net	(95)	(155)
Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	325,895
Pass, Loans Amortized Cost Basis by Origination Year 2020	1,393,092
Pass, Loans Amortized Cost Basis by Origination Year 2019	1,373,968
Pass, Loans Amortized Cost Basis by Origination Year 2018	1,283,094
Pass, Loans Amortized Cost Basis by Origination Year 2017	933,711
Pass, Loans Amortized Cost Basis by Origination Year Prior	1,723,499
Pass, Revolving Loans	171,529
Pass, Revolving Converted to Term Loans	0
Pass	7,204,788
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	0
Pass, Loans Amortized Cost Basis by Origination Year 2020	23,492
Pass, Loans Amortized Cost Basis by Origination Year 2019	29,476
Pass, Loans Amortized Cost Basis by Origination Year 2018	22,138
Pass, Loans Amortized Cost Basis by Origination Year 2017	26,290
Pass, Loans Amortized Cost Basis by Origination Year Prior	88,360
Pass, Revolving Loans	5,753
Pass, Revolving Converted to Term Loans	0
Pass	195,509
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	0
Pass, Loans Amortized Cost Basis by Origination Year 2020	628
Pass, Loans Amortized Cost Basis by Origination Year 2019	6,832
Pass, Loans Amortized Cost Basis by Origination Year 2018	47,145
Pass, Loans Amortized Cost Basis by Origination Year 2017	3,608
Pass, Loans Amortized Cost Basis by Origination Year Prior	89,479
Pass, Revolving Loans	377
Pass, Revolving Converted to Term Loans	0
Pass	148,069
Residential Portfolio Segment [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	182,269
Pass, Loans Amortized Cost Basis by Origination Year 2020	750,242
Pass, Loans Amortized Cost Basis by Origination Year 2019	826,349
Pass, Loans Amortized Cost Basis by Origination Year 2018	640,970
Pass, Loans Amortized Cost Basis by Origination Year 2017	549,243
Pass, Loans Amortized Cost Basis by Origination Year Prior	1,154,744
Pass, Revolving Loans	0
Pass, Revolving Converted to Term Loans	0
Pass	4,103,817
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2021	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2020	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2019	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2018	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2017	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year Prior	0
YTD period charge-offs, Revolving Loans	0
YTD period charge-offs, Revolving Converted to Term Loans	0
YTD period charge-offs	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2021	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2020	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2019	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2018	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2017	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year Prior	(7)
YTD period recoveries, Revolving Loans	0
YTD period recoveries, Revolving Converted to Term Loans	0
YTD period recoveries	(7)
Net, Loans Amortized Cost Basis by Origination Year 2021	0
Net, Loans Amortized Cost Basis by Origination Year 2020	0
Net, Loans Amortized Cost Basis by Origination Year 2019	0
Net, Loans Amortized Cost Basis by Origination Year 2018	0
Net, Loans Amortized Cost Basis by Origination Year 2017	0
Net, Loans Amortized Cost Basis by Origination Year Prior	(7)
Net, Revolving Loans	0
Net, Revolving Converted to Term Loans	0
Net	(7)
Residential Portfolio Segment [Member] | Pass [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	182,269
Pass, Loans Amortized Cost Basis by Origination Year 2020	749,890
Pass, Loans Amortized Cost Basis by Origination Year 2019	820,791
Pass, Loans Amortized Cost Basis by Origination Year 2018	635,500
Pass, Loans Amortized Cost Basis by Origination Year 2017	546,962
Pass, Loans Amortized Cost Basis by Origination Year Prior	1,146,581
Pass, Revolving Loans	0
Pass, Revolving Converted to Term Loans	0
Pass	4,081,993
Residential Portfolio Segment [Member] | Special Mention [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	0
Pass, Loans Amortized Cost Basis by Origination Year 2020	334
Pass, Loans Amortized Cost Basis by Origination Year 2019	4,749
Pass, Loans Amortized Cost Basis by Origination Year 2018	3,170
Pass, Loans Amortized Cost Basis by Origination Year 2017	1,717
Pass, Loans Amortized Cost Basis by Origination Year Prior	4,023
Pass, Revolving Loans	0
Pass, Revolving Converted to Term Loans	0
Pass	13,993
Residential Portfolio Segment [Member] | Substandard [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	0
Pass, Loans Amortized Cost Basis by Origination Year 2020	18
Pass, Loans Amortized Cost Basis by Origination Year 2019	809
Pass, Loans Amortized Cost Basis by Origination Year 2018	2,300
Pass, Loans Amortized Cost Basis by Origination Year 2017	564
Pass, Loans Amortized Cost Basis by Origination Year Prior	4,140
Pass, Revolving Loans	0
Pass, Revolving Converted to Term Loans	0
Pass	7,831
Equity Lines Portfolio Segment [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	0
Pass, Loans Amortized Cost Basis by Origination Year 2020	0
Pass, Loans Amortized Cost Basis by Origination Year 2019	0
Pass, Loans Amortized Cost Basis by Origination Year 2018	0
Pass, Loans Amortized Cost Basis by Origination Year 2017	0
Pass, Loans Amortized Cost Basis by Origination Year Prior	10
Pass, Revolving Loans	393,967
Pass, Revolving Converted to Term Loans	35,533
Pass	429,510
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2021	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2020	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2019	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2018	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2017	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year Prior	0
YTD period charge-offs, Revolving Loans	0
YTD period charge-offs, Revolving Converted to Term Loans	0
YTD period charge-offs	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2021	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2020	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2019	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2018	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2017	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year Prior	0
YTD period recoveries, Revolving Loans	(3)
YTD period recoveries, Revolving Converted to Term Loans	(6)
YTD period recoveries	(9)
Net, Loans Amortized Cost Basis by Origination Year 2021	0
Net, Loans Amortized Cost Basis by Origination Year 2020	0
Net, Loans Amortized Cost Basis by Origination Year 2019	0
Net, Loans Amortized Cost Basis by Origination Year 2018	0
Net, Loans Amortized Cost Basis by Origination Year 2017	0
Net, Loans Amortized Cost Basis by Origination Year Prior	0
Net, Revolving Loans	(3)
Net, Revolving Converted to Term Loans	(6)
Net	(9)
Equity Lines Portfolio Segment [Member] | Pass [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	0
Pass, Loans Amortized Cost Basis by Origination Year 2020	0
Pass, Loans Amortized Cost Basis by Origination Year 2019	0
Pass, Loans Amortized Cost Basis by Origination Year 2018	0
Pass, Loans Amortized Cost Basis by Origination Year 2017	0
Pass, Loans Amortized Cost Basis by Origination Year Prior	10
Pass, Revolving Loans	392,712
Pass, Revolving Converted to Term Loans	34,804
Pass	427,526
Equity Lines Portfolio Segment [Member] | Special Mention [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	0
Pass, Loans Amortized Cost Basis by Origination Year 2020	0
Pass, Loans Amortized Cost Basis by Origination Year 2019	0
Pass, Loans Amortized Cost Basis by Origination Year 2018	0
Pass, Loans Amortized Cost Basis by Origination Year 2017	0
Pass, Loans Amortized Cost Basis by Origination Year Prior	0
Pass, Revolving Loans	925
Pass, Revolving Converted to Term Loans	0
Pass	925
Equity Lines Portfolio Segment [Member] | Substandard [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	0
Pass, Loans Amortized Cost Basis by Origination Year 2020	0
Pass, Loans Amortized Cost Basis by Origination Year 2019	0
Pass, Loans Amortized Cost Basis by Origination Year 2018	0
Pass, Loans Amortized Cost Basis by Origination Year 2017	0
Pass, Loans Amortized Cost Basis by Origination Year Prior	0
Pass, Revolving Loans	330
Pass, Revolving Converted to Term Loans	729
Pass	1,059
Installment and Other Loans [Member ]
Pass, Loans Amortized Cost Basis by Origination Year 2021	953
Pass, Loans Amortized Cost Basis by Origination Year 2020	2,386
Pass, Loans Amortized Cost Basis by Origination Year 2019	0
Pass, Loans Amortized Cost Basis by Origination Year 2018	0
Pass, Loans Amortized Cost Basis by Origination Year 2017	0
Pass, Loans Amortized Cost Basis by Origination Year Prior	0
Pass, Revolving Loans	0
Pass, Revolving Converted to Term Loans	0
Pass	3,339
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2021	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2020	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2019	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2018	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year 2017	0
YTD period charge-offs, Loans Amortized Cost Basis by Origination Year Prior	0
YTD period charge-offs, Revolving Loans	0
YTD period charge-offs, Revolving Converted to Term Loans	0
YTD period charge-offs	0	(0)
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2021	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2020	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2019	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2018	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year 2017	0
YTD period recoveries, Loans Amortized Cost Basis by Origination Year Prior	0
YTD period recoveries, Revolving Loans	0
YTD period recoveries, Revolving Converted to Term Loans	0
YTD period recoveries	0	0
Net, Loans Amortized Cost Basis by Origination Year 2021	0
Net, Loans Amortized Cost Basis by Origination Year 2020	0
Net, Loans Amortized Cost Basis by Origination Year 2019	0
Net, Loans Amortized Cost Basis by Origination Year 2018	0
Net, Loans Amortized Cost Basis by Origination Year 2017	0
Net, Loans Amortized Cost Basis by Origination Year Prior	0
Net, Revolving Loans	0
Net, Revolving Converted to Term Loans	0
Net	0	$ (0)
Installment and Other Loans [Member ] | Pass [Member]
Pass, Loans Amortized Cost Basis by Origination Year 2021	953
Pass, Loans Amortized Cost Basis by Origination Year 2020	2,386
Pass, Loans Amortized Cost Basis by Origination Year 2019	0
Pass, Loans Amortized Cost Basis by Origination Year 2018	0
Pass, Loans Amortized Cost Basis by Origination Year 2017	0
Pass, Loans Amortized Cost Basis by Origination Year Prior	0
Pass, Revolving Loans	0
Pass, Revolving Converted to Term Loans	0
Pass	$ 3,339

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Note 8 - Loans - Allowance for Loan Losses by Portfolio Segment and Based on Impairment Method (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Loans individually evaluated for impairment, allowance		$ 6,429
Loans individually evaluated for impairment, balance		95,405
Loans collectively evaluated for impairment, allowance		160,109
Loans collectively evaluated for impairment, balance		15,548,991
Loans, allowance	$ 147,264	166,538
Loans	15,651,848	15,644,396
Commercial Portfolio Segment [Member]
Loans individually evaluated for impairment, allowance		1,030
Loans individually evaluated for impairment, balance		27,070
Loans collectively evaluated for impairment, allowance		67,712
Loans collectively evaluated for impairment, balance		2,809,763
Loans, allowance		68,742
Loans	2,890,693	2,836,833
Real Estate Construction Portfolio Segment [Member]
Loans individually evaluated for impairment, allowance		0
Loans individually evaluated for impairment, balance		4,286
Loans collectively evaluated for impairment, allowance		30,854
Loans collectively evaluated for impairment, balance		675,206
Loans, allowance		30,854
Loans	677,816	679,492
Commercial Real Estate Portfolio Segment [Member]
Loans individually evaluated for impairment, allowance		5,254
Loans individually evaluated for impairment, balance		53,289
Loans collectively evaluated for impairment, allowance		43,951
Loans collectively evaluated for impairment, balance		7,501,738
Loans, allowance		49,205
Loans	7,549,522	7,555,027
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans individually evaluated for impairment, allowance		145
Loans individually evaluated for impairment, balance		10,760
Loans collectively evaluated for impairment, allowance		17,592
Loans collectively evaluated for impairment, balance		4,559,184
Loans, allowance		17,737
Loans	$ 4,530,521	4,569,944
Consumer Portfolio Segment [Member]
Loans individually evaluated for impairment, allowance		0
Loans individually evaluated for impairment, balance		0
Loans collectively evaluated for impairment, allowance		0
Loans collectively evaluated for impairment, balance		3,100
Loans, allowance		0
Loans		$ 3,100

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Note 8 - Loans - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Beginning Balance	$ 166,538	$ 123,224
Provision/(reversal) for possible credit losses	(12,110)	25,000
Charge-offs	(9,138)	(1,321)
Recoveries	(1,380)	(1,370)
Net (charge-offs)/recoveries	(7,758)	49
Ending Balance	147,264	148,273
Recoveries	1,380	1,370
Reserve for impaired loans		3,451
Reserve for non-impaired loans		144,822
Reserve for off-balance sheet credit commitments		3,013
Commitments to Extend Credit [Member]
Beginning Balance	5,880
Provision/(reversal) for possible credit losses	(1,449)
Ending Balance	4,970
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Beginning Balance	594
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Commitments to Extend Credit [Member]
Beginning Balance	539
Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Beginning Balance	167,132
Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Commitments to Extend Credit [Member]
Beginning Balance	6,419
Commercial Portfolio Segment [Member]
Beginning Balance	68,742	57,021
Provision/(reversal) for possible credit losses	12,627	10,891
Charge-offs	(9,138)	(1,321)
Recoveries	(1,269)	(1,208)
Net (charge-offs)/recoveries	(7,869)	(113)
Ending Balance	44,752	67,799
Recoveries	1,269	1,208
Reserve for impaired loans		2,827
Reserve for non-impaired loans		64,972
Reserve for off-balance sheet credit commitments		1,296
Commercial Portfolio Segment [Member] | Commitments to Extend Credit [Member]
Beginning Balance	4,802
Provision/(reversal) for possible credit losses	125
Ending Balance	1,580
Commercial Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Beginning Balance	(28,748)
Commercial Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Commitments to Extend Credit [Member]
Beginning Balance	(3,347)
Commercial Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Beginning Balance	39,994
Commercial Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Commitments to Extend Credit [Member]
Beginning Balance	1,455
Real Estate Construction Portfolio Segment [Member]
Beginning Balance	30,854	19,474
Provision/(reversal) for possible credit losses	446	3,748
Charge-offs	0	0
Recoveries	0	0
Net (charge-offs)/recoveries	0	0
Ending Balance	5,968	23,222
Recoveries	(0)	0
Reserve for impaired loans		0
Reserve for non-impaired loans		23,222
Reserve for off-balance sheet credit commitments		1,233
Real Estate Construction Portfolio Segment [Member] | Commitments to Extend Credit [Member]
Beginning Balance	690
Provision/(reversal) for possible credit losses	(1,574)
Ending Balance	3,390
Real Estate Construction Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Beginning Balance	(25,332)
Real Estate Construction Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Commitments to Extend Credit [Member]
Beginning Balance	4,274
Real Estate Construction Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Beginning Balance	5,522
Real Estate Construction Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Commitments to Extend Credit [Member]
Beginning Balance	4,964
Commercial Real Estate Portfolio Segment [Member]
Beginning Balance	49,205	33,602
Provision/(reversal) for possible credit losses	(18,946)	6,129
Charge-offs	0	0
Recoveries	(95)	(155)
Net (charge-offs)/recoveries	95	155
Ending Balance	65,689	39,886
Recoveries	95	155
Reserve for impaired loans		405
Reserve for non-impaired loans		39,481
Reserve for off-balance sheet credit commitments		177
Commercial Real Estate Portfolio Segment [Member] | Commitments to Extend Credit [Member]
Beginning Balance	101
Provision/(reversal) for possible credit losses	0
Ending Balance	0
Commercial Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Beginning Balance	35,335
Commercial Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Commitments to Extend Credit [Member]
Beginning Balance	(101)
Commercial Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Beginning Balance	84,540
Commercial Real Estate Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Commitments to Extend Credit [Member]
Beginning Balance	0
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Beginning Balance	17,737	13,108
Provision/(reversal) for possible credit losses	(6,231)	4,251
Charge-offs	0	0
Recoveries	(16)	(7)
Net (charge-offs)/recoveries	16	7
Ending Balance	30,852	17,366
Recoveries	16	7
Reserve for impaired loans		219
Reserve for non-impaired loans		17,147
Reserve for off-balance sheet credit commitments		304
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Commitments to Extend Credit [Member]
Beginning Balance	284
Provision/(reversal) for possible credit losses	0
Ending Balance	0
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Beginning Balance	19,330
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Commitments to Extend Credit [Member]
Beginning Balance	(284)
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Beginning Balance	37,067
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Commitments to Extend Credit [Member]
Beginning Balance	0
Installment and Other Loans [Member ]
Beginning Balance	0	19
Provision/(reversal) for possible credit losses	(6)	(19)
Charge-offs	0	0
Recoveries	0	0
Net (charge-offs)/recoveries	0	0
Ending Balance	3	0
Recoveries	(0)	0
Reserve for impaired loans		0
Reserve for non-impaired loans		0
Reserve for off-balance sheet credit commitments		$ 3
Installment and Other Loans [Member ] | Commitments to Extend Credit [Member]
Beginning Balance	3
Provision/(reversal) for possible credit losses	0
Ending Balance	0
Installment and Other Loans [Member ] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
Beginning Balance	9
Installment and Other Loans [Member ] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Commitments to Extend Credit [Member]
Beginning Balance	(3)
Installment and Other Loans [Member ] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Beginning Balance	9
Installment and Other Loans [Member ] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Commitments to Extend Credit [Member]
Beginning Balance	$ 0

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Note 9 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Qualified Affordable Housing and Alternative Energy Partnerships [Member]
Other Commitment, Total	$ 95.7	$ 103.1

XML

Note 10 - Leases (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating Lease, Expense	$ 2,900	$ 2,900
Operating Lease, Payments	2,500	$ 2,200
Operating Lease, Impairment Loss	$ 187

XML

Note 10 - Leases - Operating Lease Related Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Right-of-use assets - operating leases	$ 32,927	$ 30,919
Lease liabilities - operating leases	$ 35,803	$ 33,484
Weighted-average remaining lease term (in years) (Year)	4 years 9 months 18 days	4 years 8 months 12 days
Weighted-average discount rate	2.63%	2.77%

XML

Note 10 - Leases - Lease Maturity Schedule (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Remaining 2021	$ 7,183
2022	9,165	$ 9,384
2023	7,794	8,335
2024	5,427	6,890
2025	3,307	4,635
Thereafter	5,352	4,153
Total lease payments	38,228	35,917
Less amount of payment representing interest	(2,425)	(2,433)
Lease liabilities - operating leases	$ 35,803	33,484
2025		$ 2,520

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Note 11 - Borrowed Funds (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Advances from Federal Home Loan Banks, Total	$ 75,000	$ 150,000
Junior Subordinated Notes, Noncurrent		$ 119,100
Junior Subordinated Debt [Member]
Junior Subordinated Notes, Noncurrent	$ 119,100
Debt Instrument, Interest Rate, Effective Percentage	2.36%	2.40%
Debt Instrument, Term (Year)	30 years
Mature in May 2021 [Member]
Advances from Federal Home Loan Banks, Total	$ 5,000
Mature in June 2021 [Member]
Advances from Federal Home Loan Banks, Total	50,000
Mature in May 2023 [Member]
Advances from Federal Home Loan Banks, Total	20,000
Over-night Borrowings [Member]
Advances from Federal Home Loan Banks, Total	0	$ 0
Non Overnight Borrowings [Member]
Advances from Federal Home Loan Banks, Total	$ 75,000	$ 150,000
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate	2.26%	2.15%

XML

Note 12 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Effective Income Tax Rate Reconciliation, Percent, Total	21.90%	16.30%
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount	$ 37
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Open Tax Year	2017 2018 2019 2020
State and Local Jurisdiction [Member] | California Franchise Tax Board [Member]
Open Tax Year	2016 2017 2018 2019 2020

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Note 13 - Fair Value Measurements and Fair Value of Financial Instruments (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Other Real Estate, Foreclosed Assets, and Repossessed Assets, Total	$ 4,918	$ 4,918
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	0.0020
Minimum [Member] | Measurement Input, Price Volatility [Member]
Warrants and Rights Outstanding, Measurement Input	0.1676
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	0.0134
Maximum [Member] | Measurement Input, Price Volatility [Member]
Warrants and Rights Outstanding, Measurement Input	0.2130
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, Total	$ 4,900

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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	Mar. 31, 2021	Dec. 31, 2020
Securities available-for-sale	$ 908,844	$ 1,036,550
Equity securities	20,993	23,744
Assets, fair value disclosure	936,359	1,068,382
Liabilities, fair value disclosure	14,666	12,486
Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	40,720	80,948
Equity securities	20,993	23,744
Assets, fair value disclosure	61,713	104,692
Liabilities, fair value disclosure	0	0
Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	868,124	955,602
Equity securities	0	0
Assets, fair value disclosure	874,630	963,669
Liabilities, fair value disclosure	14,666	12,486
Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Equity securities	0	0
Assets, fair value disclosure	16	21
Liabilities, fair value disclosure	0	0
US Treasury Securities [Member]
Securities available-for-sale	40,720	80,948
US Treasury Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	40,720	80,948
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	96,051	99,838
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	96,051	99,838
US Government Corporations and Agencies Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Commercial Mortgage Backed Securities [Member]
Securities available-for-sale	668,424	727,068
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	668,424	727,068
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	10,127	10,324
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	10,127	10,324
Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Corporate Debt Securities [Member]
Securities available-for-sale	93,522	118,372
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	93,522	118,372
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Mutual Funds [Member]
Equity securities	6,301	6,413
Mutual Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities	6,301	6,413
Mutual Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities	0	0
Mutual Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities	0	0
Preferred Stock of Government Sponsored Entities [Member]
Equity securities	3,328	5,485
Preferred Stock of Government Sponsored Entities [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities	3,328	5,485
Preferred Stock of Government Sponsored Entities [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities	0	0
Preferred Stock of Government Sponsored Entities [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities	0	0
Other Equity Securities [Member]
Equity securities	11,364	11,846
Other Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities	11,364	11,846
Other Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities	0	0
Other Equity Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities	0	0
Warrant [Member]
Assets, fair value disclosure	16	21
Warrant [Member] | Fair Value, Inputs, Level 1 [Member]
Assets, fair value disclosure	0	0
Warrant [Member] | Fair Value, Inputs, Level 2 [Member]
Assets, fair value disclosure	0	0
Warrant [Member] | Fair Value, Inputs, Level 3 [Member]
Assets, fair value disclosure	16	21
Interest Rate Swap [Member]
Assets, fair value disclosure	3,615	3,409
Liabilities, fair value disclosure	12,116	10,286
Interest Rate Swap [Member] | Fair Value, Inputs, Level 1 [Member]
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member]
Assets, fair value disclosure	3,615	3,409
Liabilities, fair value disclosure	12,116	10,286
Interest Rate Swap [Member] | Fair Value, Inputs, Level 3 [Member]
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Foreign Exchange Contract [Member]
Assets, fair value disclosure	2,891	4,658
Liabilities, fair value disclosure	2,550	2,200
Foreign Exchange Contract [Member] | Fair Value, Inputs, Level 1 [Member]
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Foreign Exchange Contract [Member] | Fair Value, Inputs, Level 2 [Member]
Assets, fair value disclosure	2,891	4,658
Liabilities, fair value disclosure	2,550	2,200
Foreign Exchange Contract [Member] | Fair Value, Inputs, Level 3 [Member]
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	$ 0	$ 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		12 Months Ended
		Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Assets, fair value disclosure		$ 936,359		$ 1,068,382
Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		31,522		41,920
Total Losses		71	$ 369	7,836	$ 848
Fair Value, Nonrecurring [Member] | Loans Receivable [Member]
Assets, fair value disclosure		25,287		35,398
Total Losses		0	0	7,012	0
Fair Value, Nonrecurring [Member] | Other Real Estate Owned [Member]
Assets, fair value disclosure	[1]	5,141		5,141
Total Losses	[1]	0	336	717	681
Fair Value, Nonrecurring [Member] | Investments in Venture Capital and Private Company Stock [Member]
Assets, fair value disclosure		1,094		1,381
Total Losses		71	33	107	167
Fair Value, Inputs, Level 1 [Member]
Assets, fair value disclosure		61,713		104,692
Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		0		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member] | Loans Receivable [Member]
Assets, fair value disclosure		0		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member] | Other Real Estate Owned [Member]
Assets, fair value disclosure	[1]	0		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member] | Investments in Venture Capital and Private Company Stock [Member]
Assets, fair value disclosure		0		0
Fair Value, Inputs, Level 2 [Member]
Assets, fair value disclosure		874,630		963,669
Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		905		905
Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member] | Loans Receivable [Member]
Assets, fair value disclosure		0		0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member] | Other Real Estate Owned [Member]
Assets, fair value disclosure	[1]	905		905
Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member] | Investments in Venture Capital and Private Company Stock [Member]
Assets, fair value disclosure		0		0
Fair Value, Inputs, Level 3 [Member]
Assets, fair value disclosure		16		21
Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure		30,617		41,015
Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member] | Loans Receivable [Member]
Assets, fair value disclosure		25,287		35,398
Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member] | Other Real Estate Owned [Member]
Assets, fair value disclosure	[1]	4,236		4,236
Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member] | Investments in Venture Capital and Private Company Stock [Member]
Assets, fair value disclosure		1,094		1,381
Commercial Portfolio Segment [Member] | Fair Value, Nonrecurring [Member] | Loans Receivable [Member]
Assets, fair value disclosure		14,258		5,342
Total Losses		0	0	7,012	0
Commercial Portfolio Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member] | Loans Receivable [Member]
Assets, fair value disclosure		0		0
Commercial Portfolio Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member] | Loans Receivable [Member]
Assets, fair value disclosure		0		0
Commercial Portfolio Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member] | Loans Receivable [Member]
Assets, fair value disclosure		14,258		5,342
Commercial Real Estate Portfolio Segment [Member] | Fair Value, Nonrecurring [Member] | Loans Receivable [Member]
Assets, fair value disclosure		11,029		25,749
Total Losses		0	$ 0	0	0
Commercial Real Estate Portfolio Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member] | Loans Receivable [Member]
Assets, fair value disclosure		0		0
Commercial Real Estate Portfolio Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member] | Loans Receivable [Member]
Assets, fair value disclosure		0		0
Commercial Real Estate Portfolio Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member] | Loans Receivable [Member]
Assets, fair value disclosure		$ 11,029		25,749
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Fair Value, Nonrecurring [Member] | Loans Receivable [Member]
Assets, fair value disclosure				4,307
Total Losses				0	$ 0
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member] | Loans Receivable [Member]
Assets, fair value disclosure				0
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member] | Loans Receivable [Member]
Assets, fair value disclosure				0
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member] | Loans Receivable [Member]
Assets, fair value disclosure				$ 4,307

[1] Other real estate owned balance of $4.9 million in the condensed 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		Mar. 31, 2021	Dec. 31, 2020
Equity securities		$ 20,993	$ 23,744
Warrants		3,615	3,409
Foreign exchange contracts with gain		154,340	151,244
Foreign exchange contracts with gain, fair value		2,891	4,658
Interest rate swaps		496,140	96,889
Interest rate swaps, fair value		3,615	3,409
Foreign exchange contracts with loss		96,119	132,813
Foreign exchange contracts with loss, fair value		2,550	2,200
Interest rate swaps		662,228	679,648
Interest rate swaps, fair value		12,116	10,286
Commitments to extend credit		3,095,013	2,977,528
Commitments to extend credit, fair value		(9,614)	(8,432)
Standby letters of credit		237,488	234,200
Standby letters of credit, fair value		(1,720)	(1,630)
Other letters of credit		21,975	16,821
Other letters of credit, fair value		(19)	(16)
Bill of lading guarantees		0	238
Bill of lading guarantees, fair value		0	0
Reported Value Measurement [Member]
Cash and due from banks		141,885	138,616
Short-term investments		1,612,411	1,282,462
Securities available-for-sale		908,844	1,036,550
Loans, net		15,497,712	15,475,364
Equity securities		20,993	23,744
Investment in Federal Home Loan Bank stock		17,250	17,250
Deposits		16,353,633	16,109,401
Advances from Federal Home Loan Bank		75,000	150,000
Other borrowings		23,333	23,714
Long-term debt		119,136	119,136
Reported Value Measurement [Member] | Warrants [Member]
Warrants		16	21
Estimate of Fair Value Measurement [Member]
Cash and due from banks		141,885	138,616
Short-term investments		1,612,411	1,282,462
Securities available-for-sale		908,844	1,036,550
Loans, net	[1]	16,094,374	16,103,471
Equity securities		20,993	23,744
Investment in Federal Home Loan Bank stock		17,250	17,250
Deposits		16,364,101	16,125,808
Advances from Federal Home Loan Bank		77,691	155,133
Other borrowings		19,861	19,632
Long-term debt		64,892	65,487
Estimate of Fair Value Measurement [Member] | Warrants [Member]
Warrants		$ 16	$ 21

[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		Mar. 31, 2021	Dec. 31, 2020
Equity securities		$ 20,993	$ 23,744
Warrants		3,615	3,409
Fair Value, Inputs, Level 1 [Member]
Equity securities		20,993	23,744
Fair Value, Inputs, Level 2 [Member]
Equity securities		0	0
Fair Value, Inputs, Level 3 [Member]
Equity securities		0	0
Estimate of Fair Value Measurement [Member]
Cash and due from banks		141,885	138,616
Short-term investments		1,612,411	1,282,462
Securities available-for-sale		908,844	1,036,550
Loans, net	[1]	16,094,374	16,103,471
Equity securities		20,993	23,744
Investment in Federal Home Loan Bank stock		17,250	17,250
Deposits		16,364,101	16,125,808
Advances from Federal Home Loan Bank		77,691	155,133
Other borrowings		19,861	19,632
Long-term debt		64,892	65,487
Estimate of Fair Value Measurement [Member] | Warrants [Member]
Warrants		16	21
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and due from banks		141,885	138,616
Short-term investments		1,612,411	1,282,462
Securities available-for-sale		40,720	80,948
Loans, net	[1]	0	0
Equity securities		20,993	23,744
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	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
Securities available-for-sale		868,124	955,602
Loans, net	[1]	0	0
Equity securities		0	0
Investment in Federal Home Loan Bank stock		17,250	17,250
Deposits		0	0
Advances from Federal Home Loan Bank		77,691	155,133
Other borrowings		0	0
Long-term debt		64,892	65,487
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Warrants [Member]
Warrants		0	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
Securities available-for-sale		0	0
Loans, net	[1]	16,094,374	16,103,471
Equity securities		0	0
Investment in Federal Home Loan Bank stock		0	0
Deposits		16,364,101	16,125,808
Advances from Federal Home Loan Bank		0	0
Other borrowings		19,861	19,632
Long-term debt		0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Warrants [Member]
Warrants		$ 16	$ 21

[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 15 - Financial Derivatives (Details Textual) - USD ($) $ in Thousands		3 Months Ended
	May 31, 2014	Mar. 31, 2021	Dec. 31, 2020
Junior Subordinated Notes, Total	$ 119,100
Cash [Member]
Collateral Already Posted, Aggregate Fair Value		$ 10,000	$ 11,900
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative Outstanding, Notional Amount	$ 119,100
Derivative Original Maturity (Year)	10 years
Derivative, Notional Amount		119,136	119,136
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative, Notional Amount		$ 819,820	$ 478,266
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
Loans Receivable with Partial-term Hedging Designation [Member]
Derivative, Notional Amount		$ 779,300
Hedged Asset, Fair Value Hedge		375,000
Hedged Asset, Fair Value Hedge, Last-of-Layer, Amount		375,000
Hedged Asset, Fair Value Hedge, Last-of-Layer, Cumulative Increase (Decrease)		$ 809,000

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Note 15 - Financial Derivatives - Cash Flow Swap Hedges (Details) - Interest Rate Swap [Member] - Cash Flow Hedging [Member] - Designated as Hedging Instrument [Member] - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
		Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Notional		$ 119,136		$ 119,136
Weighted average fixed rate-pay		2.61%		2.61%
Weighted average variable rate-receive		0.19%		0.44%
Unrealized loss, net of taxes	[1]	$ (5,627)		$ (6,890)
Periodic net settlement of swaps	[2]	$ 711	$ 255

[1] Included in other comprehensive income.

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

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Note 15 - Financial Derivatives - Fair Value Swap Hedges (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
		Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Net unrealized loss		$ 1,263	$ (4,278)
Periodic net settlement of SWAPs	[1]	(2,387)	$ (643)
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member]
Derivative, Notional Amount		$ 819,820		$ 478,266
Weighted average fixed rate-pay		3.26%		4.56%
Weighted average variable rate-receive		1.82%		3.11%
Net unrealized loss	[2]	$ (10,735)		$ (15,082)
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member] | London Interbank Offered Rate (LIBOR) [Member]
Weighted average variable rate spread		1.70%		2.46%

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

[2] the amount is included in other non-interest income.

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Note 15 - Financial Derivatives - Not Designated as Hedging (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Spot, Forward, and Swap Contracts with Positive Fair Value [Member]
Notional	$ 154,340	$ 151,244
Option contracts, fair value	2,891	4,658
Spot, Forward, and Swap Contracts with Negative Fair Value [Member]
Notional	96,119	132,813
Option contracts, fair value	$ (2,550)	$ (2,200)

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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	Mar. 31, 2021	Dec. 31, 2020
Derivative assets, gross	$ 3,615	$ 3,409
Derivative assets, net	3,615	3,409
Derivatives, collateral posted	0	0
Derivative assets not offset	3,615	3,409
Derivative liabilities, gross	21,143	28,258
Derivatives	(9,027)	(17,972)
Derivative liabilities, net	12,116	10,286
Derivatives, collateral posted	0	0
Derivatives liabilities not offset	$ 12,116	$ 10,286

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Note 17 - Revenue from Contracts with Customers - Summary of Revenue (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Revenues		$ 9,160	$ 8,563
Noninterest income, not in-scope(2)	[1]	840	(2,777)
Total non-interest income		10,000	5,786
Fees and Services Charges on Deposit Account [Member]
Revenues		2,112	2,054
Wealth Management Fees [Member]
Revenues		3,557	3,137
Other Service Fees [Member]
Revenues	[2]	$ 3,491	$ 3,372

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

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

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Note 18 - Stockholders' Equity (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Stockholders' Equity Attributable to Parent, Ending Balance	$ 2,463,289	$ 2,313,037	$ 2,418,144	$ 2,294,283
Stockholders' Equity, Period Increase (Decrease), Total	45,100
Net Income (Loss) Attributable to Parent, Total	73,384	46,852
Proceeds from Issuance of Common Stock, Dividend Reinvestment Plan	868	846
Dividends, Common Stock, Cash	24,650	24,660
Other Comprehensive Income (Loss), Net of Tax, Total	$ (3,624)	$ 7,575

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Note 18 - Stockholders' Equity - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Beginning balance, loss, net of tax	$ 2,418,144	$ 2,294,283
Total other comprehensive (loss)/income, net of tax	(3,624)	7,575
Ending balance, loss, net of tax	2,463,289	2,313,037
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]
Beginning balance, loss, net of tax	12,200	5,714
Net unrealized (losses)/gains arising during the period, pre-tax	(6,085)	16,833
Net unrealized (losses)/gains arising during the period, tax	(1,799)	4,976
Net unrealized (losses)/gains arising during the period, net of tax	(4,286)	11,857
Reclassification adjustment for net losses/(gains) included in net income, pre-tax	853	6
Reclassification adjustment for net losses/(gains) included in net income, tax	252	2
Reclassification adjustment for net losses/(gains) included in net income, net of tax	601	4
Total other comprehensive (loss)/income, pre-tax	(6,938)	16,827
Total other comprehensive (loss)/income, tax	(2,051)	4,974
Total other comprehensive (loss)/income, net of tax	(4,887)	11,853
Ending balance, loss, net of tax	7,313	17,567
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Beginning balance, loss, net of tax	(6,890)	(3,412)
Net unrealized (losses)/gains arising during the period, pre-tax	1,793	(6,073)
Net unrealized (losses)/gains arising during the period, tax	530	(1,795)
Net unrealized (losses)/gains arising during the period, net of tax	1,263	(4,278)
Reclassification adjustment for net losses/(gains) included in net income, pre-tax	0	0
Reclassification adjustment for net losses/(gains) included in net income, tax	0	0
Reclassification adjustment for net losses/(gains) included in net income, net of tax	0	0
Total other comprehensive (loss)/income, pre-tax	1,793	(6,073)
Total other comprehensive (loss)/income, tax	530	(1,795)
Total other comprehensive (loss)/income, net of tax	1,263	(4,278)
Ending balance, loss, net of tax	(5,627)	(7,690)
AOCI Attributable to Parent [Member]
Beginning balance, loss, net of tax	5,310	2,302
Net unrealized (losses)/gains arising during the period, pre-tax	(4,292)	10,760
Net unrealized (losses)/gains arising during the period, tax	(1,269)	3,181
Net unrealized (losses)/gains arising during the period, net of tax	(3,023)	7,579
Reclassification adjustment for net losses/(gains) included in net income, pre-tax	853	6
Reclassification adjustment for net losses/(gains) included in net income, tax	252	2
Reclassification adjustment for net losses/(gains) included in net income, net of tax	601	4
Total other comprehensive (loss)/income, pre-tax	(5,145)	10,754
Total other comprehensive (loss)/income, tax	(1,521)	3,179
Total other comprehensive (loss)/income, net of tax	(3,624)	7,575
Ending balance, loss, net of tax	$ 1,686	$ 9,877

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Note 19 - Subsequent Events (Details Textual) $ in Millions	Apr. 01, 2021 USD ($)
Subsequent Event [Member]
Stock Repurchase Program, Authorized Amount	$ 75