10-Q

 UNITED STATES

securities and exchange commission

Washington, D.C. 20549

FORM 10-Q

[ X ]      quarterly report pursuant to section 13 or 15(d) of THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended  September 30, 2019

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	(I.R.S. Employer
or organization)	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, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer ☑	Accelerated filer ☐
Non-accelerated filer      ☐	Smaller reporting company ☐
Emerging growth company ☐

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

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).                                        Yes ☐          No ☑

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

Common stock, $.01 par value, 79,706,517 shares outstanding as of October 31, 2019.

CATHAY GENERAL BANCORP AND SUBSIDIARies

3^Rd quarter 2019 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)	8
Item 2.	MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND  RESULTS OF OPERATIONS	42
Item 3.	QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK	66
Item 4.	CONTROLS AND PROCEDURES	67
PART II  – OTHER INFORMATION		67
Item 1.	LEGAL PROCEEDINGS	67
Item 1A.	RISK FACTORS	68
Item 2.	UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS	68
Item 3.	DEFAULTS UPON SENIOR SECURITIES	69
Item 4.	MINE SAFETY DISCLOSURES	69
Item 5.	OTHER INFORMATION	69
Item 6.	EXHIBITS	69
SIGNATURES		70

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:

● U.S. and international business, economic and market conditions;

● 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 laws and regulations;

● 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;

● our ability to attract deposits and other sources of funding or liquidity;

● fluctuations in interest rates;

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

● our ability to realize returns on our loans, investments and financings, including in tax-advantaged projects;

● inflation and deflation;

● environmental liabilities;

● our ability to compete with larger competitors;

● our ability to retain key personnel;

● successful management of reputational risk;

● natural disasters and geopolitical events;

1

● general business, economic and market conditions in the local markets where the Bank has operations;

● 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, 2018 (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)

	September 30, 2019			December 31, 2018
	(In thousands, except share and per share data)
Assets
Cash and due from banks	$	257,189		$	225,333
Short-term investments and interest-bearing deposits		567,957			374,957
Securities available-for-sale (amortized cost of $1,422,431 at September 30, 2019 and $1,267,731 at December 31, 2018)		1,427,438			1,242,509
Loans held for sale		36,778			—
Loans		14,728,554			13,995,788
Less: Allowance for loan losses		(125,908	)		(122,391	)
Unamortized deferred loan fees, net		(1,081	)		(1,565	)
Loans, net		14,601,565			13,871,832
Equity securities		32,862			25,098
Federal Home Loan Bank stock		17,250			17,250
Other real estate owned, net		11,329			12,674
Affordable housing investments and alternative energy partnerships, net		321,929			282,734
Premises and equipment, net		103,820			103,189
Customers’ liability on acceptances		12,503			22,709
Accrued interest receivable		52,337			51,650
Goodwill		372,189			372,189
Other intangible assets, net		6,821			7,194
Right-of-use assets - operating leases		34,518			—
Other assets		148,481			175,419
Total assets	$	18,004,966		$	16,784,737
Liabilities
Deposits:
Non-interest-bearing demand deposits	$	2,939,924		$	2,857,443
Interest-bearing deposits:
NOW deposits		1,282,267			1,365,763
Money market deposits		2,095,328			2,027,404
Savings deposits		721,547			738,656
Time deposits		7,619,203			6,713,074
Total deposits		14,658,269			13,702,340
Advances from the Federal Home Loan Bank		600,000			530,000
Other borrowings of affordable housing investments		30,767			17,298
Long-term debt		160,386			189,448
Deferred payments from acquisition		7,602			18,458
Acceptances outstanding		12,503			22,709
Lease liabilities - operating leases		36,142			—
Other liabilities		253,403			182,618
Total liabilities		15,759,072			14,662,871
Commitments and contingencies		—			—
Stockholders’ Equity
Common stock, $0.01 par value, 100,000,000 shares authorized; 90,041,474 issued and 79,706,511 outstanding at September 30, 2019, and 89,826,317 issued and 80,501,948 outstanding at December 31, 2018		900			898
Additional paid-in-capital		947,880			942,062
Accumulated other comprehensive loss, net		(833	)		(18,006	)
Retained earnings		1,616,485			1,479,149
Treasury stock, at cost (10,334,963 shares at September 30, 2019, and 9,324,369 shares at December 31, 2018)		(318,538	)		(282,237	)
Total equity		2,245,894			2,121,866
Total liabilities and equity	$	18,004,966		$	16,784,737

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 September 30,						Nine months ended September 30,
	2019			2018			2019			2018
	(In thousands, except share and per share data)
Interest and Dividend Income
Loans receivable, including loan fees	$	187,827		$	168,179		$	548,395		$	478,128
Investment securities		8,687			7,546			24,454			21,212
Federal Home Loan Bank stock		301			303			903			1,079
Deposits with banks		1,016			838			4,289			3,667
Total interest and dividend income		197,831			176,866			578,041			504,086
Interest Expense
Time deposits		40,378			22,135			113,992			56,593
Other deposits		6,626			5,474			17,591			14,892
Securities sold under agreements to repurchase		—			124			—			1,446
Advances from Federal Home Loan Bank		1,661			1,430			5,976			3,286
Long-term debt		1,948			2,220			6,087			6,465
Deferred payments from acquisition		93			399			502			946
Short-term borrowings		125			—			198			—
Total interest expense		50,831			31,782			144,346			83,628
Net interest income before reversal for credit losses		147,000			145,084			433,695			420,458
Reversal for credit losses		(2,000	)		(1,500	)		(2,000	)		(4,500	)
Net interest income after reversal for credit losses		149,000			146,584			435,695			424,958
Non-Interest Income
Net gains/(losses) from equity securities		364			391			7,764			(4,580	)
Securities losses, net		(121	)		(14	)		(108	)		(14	)
Letters of credit commissions		1,602			1,459			4,733			4,110
Depository service fees		1,119			1,219			3,617			3,905
Gain from acquisition		—			—			—			340
Other operating income		7,424			4,780			20,097			17,151
Total non-interest income		10,388			7,835			36,103			20,912
Non-Interest Expense
Salaries and employee benefits		31,915			30,514			97,200			91,491
Occupancy expense		5,579			5,186			16,617			15,808
Computer and equipment expense		2,741			2,772			8,453			8,477
Professional services expense		5,952			5,286			17,209			17,055
Data processing service expense		3,246			3,080			9,737			9,450
FDIC and regulatory assessments		2,582			2,555			7,190			6,732
Marketing expense		2,436			1,263			5,556			5,521
Other real estate owned expense/(income)		190			(21	)		839			(236	)
Amortization of investments in low income housing and alternative energy partnerships		6,997			11,115			26,909			21,989
Amortization of core deposit intangibles		172			190			515			704
Acquisition and integration costs		—			179			—			2,083
Other operating expense		3,770			3,845			15,871			10,949
Total non-interest expense		65,580			65,964			206,096			190,023
Income before income tax expense		93,808			88,455			265,702			255,847
Income tax expense		20,973			18,698			53,944			48,610
Net income	$	72,835		$	69,757		$	211,758		$	207,237
Other Comprehensive Income, net of tax
Unrealized holding gains/(losses) on securities available-for-sale		1,233			(2,538	)		21,216			(16,803	)
Unrealized holding (losses)/gains on cash flow hedge derivatives		(793	)		1,666			(4,119	)		4,595
Less: reclassification adjustments for losses included in net income		(85	)		(10	)		(76	)		(10	)
Total other comprehensive gain/(loss), net of tax		525			(862	)		17,173			(12,198	)
Total other comprehensive income	$	73,360		$	68,895		$	228,931		$	195,039
Net Income Per Common Share:
Basic	$	0.91		$	0.86		$	2.64		$	2.55
Diluted	$	0.91		$	0.85		$	2.64		$	2.53
Cash dividends paid per common share	$	0.31		$	0.24		$	0.93		$	0.72
Average Common Shares Outstanding:
Basic		79,736,814			81,311,899			80,096,855			81,224,555
Diluted		79,993,830			81,855,271			80,330,616			81,770,874

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		Loss			Earnings			Stock			Equity
	(In thousands, except share data)
Balance at June 30, 2019		79,818,003		$	900	$	945,250	$	(1,358	)	$	1,568,351		$	(313,846	)	$	2,199,297
Dividend Reinvestment Plan		23,508			—		841		—			—			—			841
Purchases of treasury stock		(135,000	)		—		—		—			—			(4,692	)		(4,692	)
Stock-based compensation		—			—		1,789		—			—			—			1,789
Cash dividends of $0.31 per share		—			—		—		—			(24,701	)		—			(24,701	)
Change in other comprehensive loss		—			—		—		525			—			—			525
Net income		—			—		—		—			72,835			—			72,835
Balance at September 30, 2019		79,706,511		$	900	$	947,880	$	(833	)	$	1,616,485		$	(318,538	)	$	2,245,894

								Accumulated
	Common Stock				Additional			Other									Total
	Number of				Paid-in			Comprehensive			Retained			Treasury			Stockholders'
	Shares		Amount		Capital			Loss			Earnings			Stock			Equity
	(In thousands, except share data)
Balance at June 30, 2018		81,255,683	$	895	$	937,224		$	(22,921	)	$	1,389,227		$	(239,589	)	$	2,064,836
Dividend Reinvestment Plan		15,513		—		657			—			—			—			657
Warrants exercised		124,851		1		(1	)		—			—			—			—
Stock-based compensation		—		—		1,921			—			—			—			1,921
Cash dividends of $0.24 per share		—		—		—			—			(19,532	)		—			(19,532	)
Change in other comprehensive loss		—		—		—			(862	)		—			—			(862	)
Net income		—		—		—			—			69,757			—			69,757
Balance at September 30, 2018		81,396,047	$	896	$	939,801		$	(23,783	)	$	1,439,452		$	(239,589	)	$	2,116,777

See accompanying Notes to Condensed Consolidated Financial Statements.

5

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'
Nine months ended	Shares			Amount		Capital			Loss			Earnings			Stock			Equity
	(In thousands, except share data)
Balance at December 31, 2018		80,501,948		$	898	$	942,062		$	(18,006	)	$	1,479,149		$	(282,237	)	$	2,121,866
Dividend Reinvestment Plan		70,798			1		2,521			—			—			—			2,522
Restricted stock units vested		123,199			1		—			—			—			—			1
Shares withheld related to net share settlement of RSUs		—			—		(2,300	)		—			—			—			(2,300	)
Stock issued to directors		21,160			—		749			—			—			—			749
Purchases of treasury stock		(1,010,594	)		—		—			—			—			(36,301	)		(36,301	)
Stock-based compensation		—			—		4,848			—			—			—			4,848
Cash dividends of $0.93 per share		—			—		—			—			(74,422	)		—			(74,422	)
Change in other comprehensive loss		—			—		—			17,173			—			—			17,173
Net income		—			—		—			—			211,758			—			211,758
Balance at September 30, 2019		79,706,511		$	900	$	947,880		$	(833	)	$	1,616,485		$	(318,538	)	$	2,245,894

								Accumulated
	Common Stock				Additional			Other									Total
	Number of				Paid-in			Comprehensive			Retained			Treasury			Stockholders'
	Shares		Amount		Capital			Loss			Earnings			Stock			Equity
	(In thousands, except share data)
Balance at December 31, 2017		80,893,379	$	891	$	932,874		$	(2,511	)	$	1,281,639		$	(239,589	)	$	1,973,304
Cumulative effect of changes in accounting principles		—		—		—			(8,559	)		8,559			—			—
Reclassification of tax effects in accumulated other comprehensive income resulting from the new corporate income tax rate		—		—		—			(515	)		515			—			—
Dividend Reinvestment Plan		46,070		—		1,982			—			—			—			1,982
Restricted stock units vested		89,471		2		—			—			—			—			2
Warrants exercised		315,187		3		(3	)		—			—			—			—
Shares withheld related to net share settlement of RSUs		—		—		(1,865	)		—			—			—			(1,865	)
Stock issued to directors		16,060		—		650			—			—			—			650
Stock options exercised		35,880		—		838			—			—			—			838
Stock-based compensation		—		—		5,325			—			—			—			5,325
Cash dividends of $0.72 per share		—		—		—			—			(58,498	)		—			(58,498	)
Change in other comprehensive loss		—		—		—			(12,198	)		—			—			(12,198	)
Net income		—		—		—			—			207,237			—			207,237
Balance at September 30, 2018		81,396,047	$	896	$	939,801		$	(23,783	)	$	1,439,452		$	(239,589	)	$	2,116,777

See accompanying Notes to Condensed Consolidated Financial Statements.

6

CATHAY GENERAL BANCORP AND SUBSIDIARIES

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

	Nine months ended September 30,
	2019			2018
	(In thousands)
Cash Flows from Operating Activities
Net income	$	211,758		$	207,237
Adjustments to reconcile net income to net cash provided by operating activities:
Reversal for credit losses		(2,000	)		(4,500	)
Provision for losses on other real estate owned		494			—
Deferred tax liability		9,911			2,342
Depreciation and amortization		5,009			5,593
Amortization of right-of-use asset		6,248			—
Change in operating lease liabilities		(5,298	)		—
Net gains on sale and transfer of other real estate owned		(193	)		(567	)
Net gains on sale of held-for-sale loans		(795	)		—
Proceeds from sales of held-for sale loans		38,742			8,000
Amortization on alternative energy partnerships, venture capital and other investments		27,009			5,384
Net (gain)/loss on sales and calls of securities		108			14
Amortization/accretion of security premiums/discounts, net		2,376			2,371
Loss on sales or disposal of fixed assets		—			107
Unrealized (gain)/loss on equity securities		(7,764	)		4,580
Stock based compensation and stock issued to officers as compensation		5,597			5,976
Net change in accrued interest receivable and other assets		(31,640	)		(7,863	)
Gain on acquisition		—			(340	)
Net change in other liabilities		64,186			10,998
Net cash provided by operating activities		323,748			239,332
Cash Flows from Investing Activities
Decrease in interest-bearing deposits		—			5,000
Purchase of investment securities available-for-sale		(539,979	)		(448,805	)
Proceeds from sale of investment securities available-for-sale		149,725			99,644
Proceeds from repayments, maturities and calls of investment securities available-for-sale		233,058			346,328
Purchase of Federal Home Loan Bank stock		(975	)		(5,430	)
Redemptions of Federal Home Loan Bank stock		975			11,265
Net increase in loans		(803,291	)		(771,290	)
Purchase of premises and equipment		(5,125	)		(4,496	)
Proceeds from sales of other real estate owned		1,905			3,302
Net increase in investment in affordable housing and alternative energy partnerships		(35,952	)		(36,666	)
Net cash used for investing activities		(999,659	)		(801,148	)
Cash Flows from Financing Activities
Net increase in deposits		955,679			890,823
Net decrease in federal funds purchased and securities sold under agreements to repurchase		—			(100,000	)
Advances from Federal Home Loan Bank		3,610,000			4,495,000
Repayment of Federal Home Loan Bank borrowings		(3,540,000	)		(4,610,000	)
Cash dividends paid		(74,422	)		(58,498	)
Repayment of other borrowings		(39,918	)		(37,117	)
Proceeds from other borrowings		25,507			29,554
Purchases of treasury stock		(36,301	)		—
Proceeds from shares issued under Dividend Reinvestment Plan		2,522			1,982
Proceeds from exercise of stock options		—			838
Taxes paid related to net share settlement of RSUs		(2,300	)		(3,550	)
Net cash provided by financing activities		900,767			609,032
Decrease in cash, cash equivalents, and restricted cash		224,856			47,216
Cash, cash equivalents, and restricted cash, beginning of the period		600,290			534,801
Cash, cash equivalents, and restricted cash, end of the period	$	825,146		$	582,017
Supplemental disclosure of cash flow information
Cash paid during the period:
Interest	$	137,422		$	79,877
Income taxes paid	$	43,507		$	48,072
Non-cash investing and financing activities:
Net change in unrealized holding loss on securities available-for-sale, net of tax	$	21,292		$	(16,793	)
Net change in unrealized holding loss on cash flow hedge derivatives	$	(4,119	)	$	4,595
Transfers to other real estate owned from loans held for investment	$	860		$	1,646
Loans transferred from held for investment to held for sale, net	$	75,285		$	—

See accompanying Notes to Condensed Consolidated Financial Statements.

7

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, Asia Realty Corp. and GBC Venture Capital, Inc. Bancorp also owns 100% of the common stock of five statutory business trusts created for the purpose of issuing capital securities. The Bank was founded in 1962 and offers a wide range of financial services. As of September 30, 2019, 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, onein 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

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, 2019. 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, 2018.

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.

3. Recent Accounting Pronouncements

Accounting Standards Adopted in 2019

In February 2016, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) 2016-02, “Leases (Topic 842),” which requires lessees to recognize leases on their balance sheets and disclose key information about leasing arrangements. Topic 842 was subsequently 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.” The new standard establishes a right-of-use model (“ROU”) that requires a lessee to recognize a ROU asset and lease liability on the balance sheet for all leases with a term longer than 12 months. Leases will be classified as finance or operating, with classification affecting the pattern and classification of expense recognition in the income statement.

8

The Company has adopted this guidance using the modified-retrospective transition method, which allows the adoption of the accounting standard prospectively without adjusting comparative prior period financial information using the effective date as our date of initial application. Consequently, the Company will not update financial information nor provide the disclosures required under the new standard for dates and periods before January 1, 2019.

The new 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.

Upon adoption, we recognized an operating lease liability of $41.2 million, and a corresponding ROU asset of $40.6 million based on the present value of the remaining minimum lease payments under current leasing standards for existing operating leases.

We elected the short-term lease recognition exemption for all leases that qualify. Consequently, we will not recognize ROU assets or lease liabilities, for those leases that qualify, including existing short-term leases of those assets in transition. We also elected the practical expedient to not separate lease and non-lease components for all of our leases. See Note 10.

In March 2017, the FASB issued ASU 2017-08, “Receivables- Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities.” This update amends the amortization period for certain purchased callable debt securities held at a premium. The amendments require the premium to be amortized to the earliest call date. The amendments do not require an accounting change for securities held at a discount; the discount continues to be amortized to maturity. This update affects all entities that hold investments in callable debt securities that have an amortized cost basis in excess of the amount that is repayable by the issuer at the earliest call date. This update is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018. The Company does not expect the adoption of this guidance to have an impact on the Company’s Consolidated Financial Statements since the accounting on the Company’s purchased callable debt securities have been consistent with the requirements of ASU 2017-8.

In August 2017, the FASB issued ASU 2017-12, “Derivatives and Hedging (Topic 815),” which targeted improvements to accounting for hedging activities. The amendments in this update are intended to better align an entity’s risk management activities and financial reporting for hedging relationships through changes to both the designation and measurement guidance for qualifying hedging relationships and the presentation of hedge results. To meet that objective, the amendments expand and refine hedge accounting for both nonfinancial and financial risk components and align the recognition and presentation of the effects of the hedging instrument and the hedged item in the financial statements. ASU 2017-12, which became effective for us on January 1, 2019, did not have a material impact on our financial statements.

In October 2018, the FASB issued ASU 2018-16, “Derivatives and Hedging (Topic 815) - Inclusion of the Secured Overnight Financing Rate (SOFR) Overnight Index Swap (OIS) Rate as a Benchmark Interest Rate for Hedge Accounting Purposes.” The amendments in this update permit use of the OIS rate based on SOFR as a U.S. benchmark interest rate for hedge accounting purposes under Topic 815 in addition to the interest rates on direct U.S. Treasury obligations, the LIBOR swap rate, the OIS rate based on the Fed Funds Effective Rate and the Securities Industry and Financial Markets Association (SIFMA) Municipal Swap Rate. ASU 2018-16, which became effective for us on January 1, 2019, did not have a material impact on our financial statements.

9

In March 2019, the FASB amended ASU 2016-02, “Leases (Topic 842),” to align the guidance for fair value of the underlying asset by lessors that are not manufacturers or dealers in Topic 842 with that of existing guidance. As a result, the fair value of the underlying asset at lease commencement is its cost, reflecting any volume or trade discounts that may apply. However, if there has been a significant lapse of time between when the underlying asset is acquired and when the lease commences, the definition of fair value (in Topic 820, Fair Value Measurement) should be applied. (Issue 1). The ASU also requires lessors within the scope of Topic 942, Financial Services—Depository and Lending, to present all “principal payments received under leases” within investing activities. (Issue 2). Finally, the ASU exempts both lessees and lessors from having to provide certain interim disclosures in the fiscal year in which a company adopts the new leases standard. (Issue 3). The transition and effective date provisions apply to Issue 1 and Issue 2. They do not apply to Issue 3 because the amendments for that Issue are to the original transition requirements in Topic 842. The effective date of those amendments is for fiscal years beginning after December 15, 2019, and interim periods within those fiscal years. The Company has adopted the amendments of this guidance as part of the adoption of Topic 842 on January 1, 2019, using the transition methodology set forth in paragraph 842-10-65-1(c).

Other Accounting Standards

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 reasonable and supportable (“R&S”) forecasts, in addition to historical experience and current conditions, to develop an expected credit loss estimate, referred to as the Current Expected Credit Loss (“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.  ASU 2016-13 becomes effective for interim and annual periods beginning after December 15, 2019. 

The Company has established a multidisciplinary project team and implementation plan, reached accounting decisions on various matters, developed a conceptual framework, and engaged an outside firm to develop econometric regression models for net losses during the R&S forecast period. The Company continues to test and refine the CECL models and has completed one preliminary calculation with two more scheduled before adoption. The Company continues to perform testing and sensitivity analysis on its modeling assumptions and results. Our planned approach for estimating expected life-time credit losses is expected to include, among other things, the following key components for all loan portfolio segments: a. The use of a probability of default/loss given default methodology; b. A number of scenarios based on forecasts from an outside economic forecasting company to develop economic forecasts for the R&S period; c. An initial R&S forecast period of six quarters for all loan portfolio segments, which reflects management's expectation of losses based on forward-looking economic scenarios over that time; d. A post-R&S reversion period of six quarters using a linear transition to the historical loss rates for each loan pool; e. A historical loss period that includes the last recession; and f. Prepayments rates based on our historical experience.  The ultimate impact is expected to be influenced by, among other things, the macroeconomic conditions and forecasts at adoption; and other management judgments.  We plan to adopt this new standard on January 1, 2020. We are not yet able to disclose the quantitative effect on our consolidated financial position and results of operations as we are continuing to evaluate the impact of the adoption of this ASU.

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In January 2017, the FASB issued ASU 2017-04, “Intangibles—Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment.” This update simplifies how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. Step 2 measures a goodwill impairment loss by comparing the implied fair value of a reporting unit’s goodwill with the carrying amount of that goodwill. Adoption of this update is on a prospective basis and the amendments in this update are to be applied to annual periods beginning after December 15, 2019. Adoption of ASU 2017-04 is not expected to have a material impact on the Company’s Consolidated Financial Statements.

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. The Company is currently evaluating the impact on its Consolidated Financial Statements.

In August 2018, the FASB issued ASU No. 2018-13, “Disclosure Framework Changes to the Disclosure Requirements for Fair Value Measurement.” This ASU eliminates, adds and modifies certain disclosure requirements for fair value measurements. Among the changes, entities will no longer be required to disclose the amount of and reasons for transfers between Level 1 and Level 2 of the fair value hierarchy but will be required to disclose the range and weighted average used to develop significant unobservable inputs for Level 3 fair value measurements. ASU No. 2018-13 is effective for interim and annual reporting periods beginning after December 15, 2019; early adoption is permitted. As ASU No. 2018-13 only revises disclosure requirements, we do not expect it to have a material impact on the Company’s Consolidated Financial Statements.

In April 2019, the FASB issued ASU No. 2019-04, Codification Improvements to Topic 326, Financial Instruments Credit Losses, Topic 815, Derivatives and Hedging, and Topic 825, Financial Instruments, which clarifies and improves areas of guidance related to the recently issued standards on credit losses (ASU 2016-13), hedging (ASU 2017-12), and recognition of financial instruments (ASU 2016-01). The amendments generally have the same effective dates as their related standards. If already adopted, the amendments of ASU 2016-01 and ASU 2016-13 are effective for fiscal years beginning after December 15, 2019 and the amendments of ASU 2017-12 are effective as of the beginning of the Company’s next annual reporting period; early adoption is permitted. The Company previously adopted both ASU 2017-12 and ASU 2016-01 and does not expect the amendments of ASU 2019-04 will have a material impact on the Company’s Consolidated Financial Statements. The Company is continuing to evaluate the impact of ASU 2016-13 and will consider the amendments of ASU 2019-04 as part of that process.

In May 2019, the FASB issued ASU No. 2019-05, “Financial Instruments Credit Losses (Topic 326); Targeted Transition Relief.” This ASU allows entities to irrevocably elect, upon adoption of ASU 2016-13, the fair value option on financial instruments that (1) were previously recorded at amortized cost and (2) are within the scope of ASC 326-20 if the instruments are eligible for the fair value option under ASC 825-10. The fair value option election does not apply to held-to-maturity debt securities. Entities are required to make this election on an instrument by instrument basis. ASU 2019-05 has the same effective date as ASU 2016-13 (i.e., the first quarter of 2020). The Company does not have financial instruments that were previously recorded at amortized cost, and therefore, ASU 2019-05 is not expected to impact the Company’s Consolidated Financial Statements.

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4. Cash, Cash Equivalents and Restricted Cash

The Company manages its cash and cash equivalents, which consist of cash on hand, amounts due from banks, and short-term investments with original maturity of three months or less, based upon the Company’s operating, investment, and financing activities. For the purpose of reporting cash flows, these same accounts are included in cash and cash equivalents.

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 $144 thousand and $5.4 million for the nine months ended September 30, 2019 and for the year ended December 31, 2018, respectively. As of September 30, 2019 and December 31, 2018, the Bancorp had $9.1 million and $1.8 million, respectively, on deposit in a cash margin account that serves as collateral for the Bancorp’s interest rate swaps. As of September 30, 2019 and December 31, 2018, the Company held $27.4 million and $7.8 million, respectively, in a restricted escrow account with a major bank for its alternative energy investments.

In the unaudited condensed consolidated statement of cash flows, the amounts for the nine months ended September 30, 2018 have been corrected in the current year and differ from the previously reported amounts of zero for decrease in interest-bearing deposits, $806.1 million for net cash used for investing activities, $42.2 million increase in cash and cash equivalents and $539.8 million for cash and cash equivalents, beginning of period. 

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. Outstanding stock options and restricted stock units (“RSUs”) with anti-dilutive effect were not included in the computation of diluted earnings per share. The following table sets forth earnings per common share calculations:

	Three months ended September 30,				Nine months ended September 30,
	2019		2018		2019		2018
	(In thousands, except share and per share data)
Net income	$	72,835	$	69,757	$	211,758	$	207,237
Weighted-average shares:
Basic weighted-average number of common shares outstanding		79,736,814		81,311,899		80,096,855		81,224,555
Dilutive effect of weighted-average outstanding common share equivalents
Warrants		—		234,105		—		268,988
RSUs		257,016		309,267		233,761		277,331
Diluted weighted-average number of common shares outstanding		79,993,830		81,855,271		80,330,616		81,770,874
Average stock options and restricted stock units with anti-dilutive effect		32,321		1,854		47,690		15,625
Earnings per common share:
Basic	$	0.91	$	0.86	$	2.64	$	2.55
Diluted	$	0.91	$	0.85	$	2.64	$	2.53

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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.

There were 35,880 stock option shares exercised in the nine months ended September 30, 2018 with no stock options outstanding thereafter. The Company received $838 thousand from the exercise of stock options for 35,880 shares at $23.37 per share that had an aggregate intrinsic value of $718 thousand in the nine months ended September 30, 2018.

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 nine months ended September 30, 2019:

	Time-Based RSUs					Performance-Based RSUs
				Weighted-Average					Weighted-Average
				Grant Date					Grant Date
	Shares			Fair Value		Shares			Fair Value
Balance at December 31, 2018		284,493		$	35.79		265,659		$	32.90
Granted		108,925			36.37		124,586			36.37
Vested		(92,868	)		35.12		(92,501	)		38.36
Forfeited		(17,002	)		38.42		—			—
Balance at September 30, 2019		283,548		$	36.08		297,744		$	32.65

The compensation expense recorded for RSUs was $1.8 million and $1.9 million for the three months ended September 30, 2019 and 2018, respectively. For the nine months ended September 30, 2019 and 2018, the compensation expense recorded for RSUs was $4.8 million and $5.3 million, respectively. Unrecognized stock-based compensation expense related to RSUs was $11.5 million and $11.8 million as of September 30, 2019 and 2018, respectively. As of September 30, 2019, these costs are expected to be recognized over the next 2.0 years for time-based and performance-based RSU’s.

As of September 30, 2019, 2,389,185 shares were available for future grants under the Company’s 2005 Incentive Plan, as amended and restated.

Tax benefit from share-based payment arrangements reduced income tax expense by $0.6 million and $0.8 million in the nine months ended September 30, 2019 and 2018, 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 September 30, 2019, and December 31, 2018:

	September 30, 2019
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. government agency entities	$	92,477	$	750	$	273	$	92,954
U.S. government sponsored entities		350,000		—		2,301		347,699
Mortgage-backed securities		880,406		7,714		1,385		886,735
Collateralized mortgage obligations		683		—		18		665
Corporate debt securities		98,865		533		13		99,385
Total	$	1,422,431	$	8,997	$	3,990	$	1,427,438

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	December 31, 2018
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	124,801	$	—	$	50	$	124,751
U.S. government agency entities		6,066		—		195		5,871
U.S. government sponsored entities		400,000		—		11,638		388,362
Mortgage-backed securities		670,874		960		15,089		656,745
Collateralized mortgage obligations		1,005		—		28		977
Corporate debt securities		64,985		818		—		65,803
Total	$	1,267,731	$	1,778	$	27,000	$	1,242,509

The amortized cost and fair value of securities available-for-sale as of September 30, 2019, by contractual maturities, are set forth in the tables below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or repay obligations with or without call or repayment penalties.

	September 30, 2019
	Securities Available-For-Sale
	Amortized Cost		Fair Value
	(In thousands)
Due in one year or less	$	19,993	$	20,103
Due after one year through five years		429,449		427,578
Due after five years through ten years		41,718		41,710
Due after ten years		931,271		938,047
Total	$	1,422,431	$	1,427,438

Equity Securities - The adoption of ASU 2016-01 resulted in approximately $8.6 million being reclassified from accumulated other comprehensive income to retained earnings, representing an increase to retained earnings as of January 1, 2018. The Company recognized a net gain of $0.4 million for the three months ended September 30, 2019, due to the increase in fair value of equity investments with readily determinable fair values compared to a net gain of $0.4 million for the three months ended September 30, 2018. The Company recognized a net gain of $7.8 million for the nine months ended September 30, 2019, due to the increase in fair value of equity investments with readily determinable fair values compared to a net loss of $4.6 million for the nine months ended September 30, 2018. Equity securities were $32.9 million and $25.1 million as of September 30, 2019 and December 31, 2018, respectively.

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The following tables set forth the gross unrealized losses and related fair value of the Company’s investment portfolio, aggregated by investment category and the length of time that individual security has been in a continuous unrealized loss position, as of  September 30, 2019 and  December 31, 2018:

	September 30, 2019
	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	$	49,796	$	108	$	3,748	$	165	$	53,544	$	273
U.S. government sponsored entities		—		—		347,699		2,301		347,699		2,301
Mortgage-backed securities		115,727		220		146,666		1,165		262,393		1,385
Collateralized mortgage obligations		—		—		665		18		665		18
Corporate debt securities		28,819		13		—		—		28,819		13
Total	$	194,342	$	341	$	498,778	$	3,649	$	693,120	$	3,990

	December 31, 2018
	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	$	124,751	$	50	$	—	$	—	$	124,751	$	50
U.S. government agency entities		3,388		77		2,483		118		5,871		195
U.S. government sponsored entities		—		—		388,362		11,638		388,362		11,638
Mortgage-backed securities		48,528		502		507,701		14,587		556,229		15,089
Collateralized mortgage obligations		—		—		977		28		977		28
Total	$	176,667	$	629	$	899,523	$	26,371	$	1,076,190	$	27,000

To the Company’s knowledge, 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. Management believes the gross unrealized losses detailed in the table above are temporary. 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, noother than temporary impairment write-downs were recorded on the Company’s Condensed Consolidated Statement of Operations and Comprehensive Income in the nine months ended September 30, 2019 and 2018.

Securities available-for-sale having a carrying value of $20.8 million and $28.5 million as of September 30, 2019 and December 31, 2018, respectively, were pledged to secure public deposits, other borrowings and treasury tax and loan.

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 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.

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The types of loans in the Company’s Condensed Consolidated Balance Sheets as of September 30, 2019, and December 31, 2018, were as follows:

	September 30, 2019			December 31, 2018
	(In thousands)
Commercial loans	$	2,668,061		$	2,741,965
Residential mortgage loans		4,010,739			3,693,853
Commercial mortgage loans		7,135,599			6,724,200
Equity lines		315,252			249,967
Real estate construction loans		593,816			581,454
Installment and other loans		5,087			4,349
Gross loans	$	14,728,554		$	13,995,788
Allowance for loan losses		(125,908	)		(122,391	)
Unamortized deferred loan fees, net		(1,081	)		(1,565	)
Total loans, net	$	14,601,565		$	13,871,832
Loans held for sale	$	36,778		$	—

As of September 30, 2019, recorded investment in impaired loans totaled $88.8 million and was comprised of non-accrual loans of $47.2 million and accruing troubled debt restructured loans (“TDRs”) of $41.6 million. As of December 31, 2018, recorded investment in impaired loans totaled $106.9 million and was comprised of non-accrual loans of $41.8 million and accruing TDRs of $65.1 million. For impaired loans, the amounts previously charged off represent 1.9% and 9.3% of the contractual balances for impaired loans as of September 30, 2019 and December 31, 2018, respectively.

The following table presents the average recorded investment and interest income recognized on impaired loans for the periods indicated:

	Three Months Ended September 30,								Nine Months Ended September 30,
	2019				2018				2019				2018
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	38,659	$	208	$	48,772	$	461	$	41,132	$	705	$	46,920	$	1,152
Real estate construction loans		4,662		—		5,980		—		4,734		—		7,490		—
Commercial mortgage loans		40,699		332		55,375		576		51,323		1,034		59,314		1,757
Residential mortgage loans and equity lines		13,133		78		13,724		108		13,126		237		14,032		279
Total impaired loans	$	97,153	$	618	$	123,851	$	1,145	$	110,315	$	1,976	$	127,756	$	3,188

17

The following table presents impaired loans and the related allowance for loan losses as of the dates indicated:

	September 30, 2019						December 31, 2018
	Unpaid Principal Balance		Recorded Investment		Allowance		Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance
Commercial loans	$	24,711	$	20,492	$	—	$	32,015	$	30,368	$	—
Real estate construction loans		5,776		4,629		—		5,776		4,873		—
Commercial mortgage loans		11,663		11,517		—		34,129		24,409		—
Residential mortgage loans and equity lines		6,808		6,770		—		5,685		5,665		—
Subtotal	$	48,958	$	43,408	$	—	$	77,605	$	65,315	$	—
With allocated allowance
Commercial loans	$	13,251	$	13,234	$	744	$	6,653	$	6,570	$	1,837
Commercial mortgage loans		26,356		26,288		536		27,099		27,063		877
Residential mortgage loans and equity lines		7,011		5,917		221		8,934		7,938		1,088
Subtotal	$	46,618	$	45,439	$	1,501	$	42,686	$	41,571	$	3,802
Total impaired loans	$	95,576	$	88,847	$	1,501	$	120,291	$	106,886	$	3,802

The following tables present the aging of the loan portfolio by type as of September 30, 2019, and as of December 31, 2018:

	September 30, 2019
	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	$	29,905	$	8,736	$	—	$	22,970	$	61,611	$	2,606,450	$	2,668,061
Real estate construction loans		—		—		—		4,629		4,629		589,187		593,816
Commercial mortgage loans		2,926		3,687		683		12,330		19,626		7,115,973		7,135,599
Residential mortgage loans and equity lines		286		—		—		7,271		7,557		4,318,434		4,325,991
Installment and other loans		—		—		—		—		—		5,087		5,087
Total loans	$	33,117	$	12,423	$	683	$	47,200	$	93,423	$	14,635,131	$	14,728,554

	December 31, 2018
	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	$	25,494	$	2,454	$	514	$	18,805	$	47,267	$	2,694,698	$	2,741,965
Real estate construction loans		—		3,156		—		4,872		8,028		573,426		581,454
Commercial mortgage loans		10,797		8,545		3,259		10,611		33,212		6,690,988		6,724,200
Residential mortgage loans and equity lines		9,687		336		—		7,527		17,550		3,926,270		3,943,820
Installment and other loans		—		—		—		—		—		4,349		4,349
Total loans	$	45,978	$	14,491	$	3,773	$	41,815	$	106,057	$	13,889,731	$	13,995,788

The determination of the amount of the allowance for loan losses for impaired loans is based on management’s current judgment about the credit quality of the loan portfolio and takes into consideration known relevant internal and external factors that affect collectability when determining the appropriate level for the allowance for loan losses. The nature of the process by which the Bank determines the appropriate allowance for loan losses requires the exercise of considerable judgment. This allowance evaluation process is also applied to TDRs since they are considered to be impaired loans. The allowance for loan losses and the reserve for off-balance sheet credit commitments are significant estimates that can and do change based on management’s process in analyzing the loan portfolio and on management’s assumptions about specific borrowers, underlying collateral, and applicable economic, market and environmental conditions, among other factors.

18

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 that causes significant delay in payment.

TDRs on accrual status are comprised of the 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 before being 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.

As of September 30, 2019, accruing TDRs were $41.6 million and non-accrual TDRs were $19.8 million compared to accruing TDRs of $65.1 million and non-accrual TDRs of $24.2 million as of December 31, 2018. The Company allocated specific reserves of $1.2 million to accruing TDRs and $141 thousand to non-accrual TDRs as of September 30, 2019, and $1.5 million to accruing TDRs and $826 thousand to non-accrual TDRs as of December 31, 2018. The following tables set forth TDRs that were modified during the three and nine months ended September 30, 2019 and 2018, their specific reserves as of September 30, 2019 and 2018, and charge-offs for the three and nine months ended September 30, 2019 and 2018:

	Three Months Ended September 30, 2019								September 30, 2019
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		3	$	7,585	$	6,165	$	—	$	89
Total		3	$	7,585	$	6,165	$	—	$	89

	Three Months Ended September 30, 2018								September 30, 2018
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		3	$	4,621	$	4,621	$	—	$	2,467
Commercial mortgage loans		1		339		339		—		—
Residential mortgage loans and equity lines		2		413		413		—		16
Total		6	$	5,373	$	5,373	$	—	$	2,483

19

	Nine Months Ended September 30, 2019								September 30, 2019
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		23	$	25,937	$	10,814	$	—	$	125
Total		23	$	25,937	$	10,814	$	—	$	125

	Nine Months Ended September 30, 2018								September 30, 2018
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		21	$	12,212	$	12,212	$	—	$	2,493
Commercial mortgage loans		7		14,626		14,626		—		119
Residential mortgage loans and equity lines		4		1,213		1,213		—		24
Total		32	$	28,051	$	28,051	$	—	$	2,636

Modifications of the loan terms in the nine months ended September 30, 2019 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 September 30, 2019, 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.  A summary of TDRs by type of concession and by type of loan, as of September 30, 2019, and December 31, 2018, is set forth in the table below:

	September 30, 2019
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	10,756	$	—	$	—	$	10,756
Commercial mortgage loans		782		5,757		18,936		25,475
Residential mortgage loans		2,931		319		2,166		5,416
Total accruing TDRs	$	14,469	$	6,076	$	21,102	$	41,647

	September 30, 2019
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	18,057	$	—	$	—	$	18,057
Residential mortgage loans		1,629		—		101		1,730
Total non-accrual TDRs	$	19,686	$	—	$	101	$	19,787

20

	December 31, 2018
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	18,135	$	—	$	—	$	18,135
Commercial mortgage loans		14,022		7,420		19,418		40,860
Residential mortgage loans		3,353		327		2,396		6,076
Total accruing TDRs	$	35,510	$	7,747	$	21,814	$	65,071

	December 31, 2018
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	13,771	$	—	$	—	$	13,771
Commercial mortgage loans		3,682		—		4,884		8,566
Residential mortgage loans		1,741		—		111		1,852
Total non-accrual TDRs	$	19,194	$	—	$	4,995	$	24,189

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

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
	(In thousands)
Accruing TDRs
Beginning balance	$	64,898		$	84,487		$	65,071		$	68,566
New restructurings		240			2,589			15,432			25,036
Restructured loans restored to accrual status		—			577			—			2,895
Charge-offs		(1,341	)		—			(1,341	)		—
Payments		(22,150	)		(13,055	)		(36,219	)		(19,801	)
Restructured loans placed on non-accrual status		—			—			(1,296	)		(2,098	)
Ending balance	$	41,647		$	74,598		$	41,647		$	74,598

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
	(In thousands)
Non-accrual TDRs
Beginning balance	$	22,457		$	30,347		$	24,189		$	33,415
New restructurings		7,345			2,784			10,505			3,015
Restructured loans placed on non-accrual status		—			—			1,296			2,098
Charge-offs		(2,389	)		—			(3,607	)		(161	)
Payments		(7,626	)		(4,836	)		(12,596	)		(7,754	)
Restructured loans restored to accrual status		—			(577	)		—			(2,895	)
Ending balance	$	19,787		$	27,718		$	19,787		$	27,718

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 September 30, 2019.

21

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

As of September 30, 2019, there were no commitments to lend additional funds to those borrowers whose loans had been restructured, were considered impaired, or were on non-accrual status.

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. 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.

22

The following tables set forth the loan portfolio by risk rating as of September 30, 2019 and December 31, 2018:

	September 30, 2019
	Pass/Watch		Special Mention		Substandard		Doubtful		Total
	(In thousands)
Commercial loans	$	2,432,623	$	151,265	$	84,173	$	—	$	2,668,061
Real estate construction loans		514,725		74,462		4,629		—		593,816
Commercial mortgage loans		6,824,241		233,155		78,203		—		7,135,599
Residential mortgage loans and equity lines		4,317,793		927		7,271		—		4,325,991
Installment and other loans		5,087		—		—		—		5,087
Total gross loans	$	14,094,469	$	459,809	$	174,276	$	—	$	14,728,554

	December 31, 2018
	Pass/Watch		Special Mention		Substandard		Doubtful		Total
	(In thousands)
Commercial loans	$	2,603,901	$	87,987	$	50,077	$	—	$	2,741,965
Real estate construction loans		514,406		62,175		4,873		—		581,454
Commercial mortgage loans		6,337,368		304,791		82,041		—		6,724,200
Residential mortgage loans and equity lines		3,934,762		—		9,058		—		3,943,820
Installment and other loans		4,349		—		—		—		4,349
Total gross loans	$	13,394,786	$	454,953	$	146,049	$	—	$	13,995,788

The following tables set forth the balance in the allowance for loan losses by portfolio segment and based on impairment method as of September 30, 2019 and December 31, 2018:

	September 30, 2019
			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	$	744	$	—	$	536	$	221	$	—	$	1,501
Balance	$	33,726	$	4,629	$	37,805	$	12,687	$	—	$	88,847
Loans collectively evaluated for impairment
Allowance	$	57,805	$	21,698	$	32,931	$	11,948	$	25	$	124,407
Balance	$	2,634,335	$	589,187	$	7,097,794	$	4,313,304	$	5,087	$	14,639,707
Total allowance	$	58,549	$	21,698	$	33,467	$	12,169	$	25	$	125,908
Total balance	$	2,668,061	$	593,816	$	7,135,599	$	4,325,991	$	5,087	$	14,728,554

	December 31, 2018
			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	$	1,837	$	—	$	877	$	1,088	$	—	$	3,802
Balance	$	36,940	$	4,873	$	51,471	$	13,602	$	—	$	106,886
Loans collectively evaluated for impairment
Allowance	$	53,141	$	19,626	$	32,610	$	13,194	$	18	$	118,589
Balance	$	2,705,025	$	576,581	$	6,672,729	$	3,930,218	$	4,349	$	13,888,902
Total allowance	$	54,978	$	19,626	$	33,487	$	14,282	$	18	$	122,391
Total balance	$	2,741,965	$	581,454	$	6,724,200	$	3,943,820	$	4,349	$	13,995,788

23

The following tables set forth activity in the allowance for loan losses by portfolio segment for the three and nine months ended September 30, 2019, and September 30, 2018. Allocation of a portion of the allowance to one category of loans does not preclude its availability to absorb losses in other categories.

Three months ended September 30, 2019 and 2018

										Residential
				Real Estate			Commercial			Mortgage Loans			Installment
	Commercial			Construction			Mortgage			and			and Other
	Loans			Loans			Loans			Equity Lines			Loans			Total
	(In thousands)
June 30, 2019 Ending Balance	$	54,293		$	21,010		$	33,154		$	14,164		$	30		$	122,651
Provision/(reversal) for possible credit losses		7,400			(2,690	)		(4,648	)		(2,057	)		(5	)		(2,000	)
Charge-offs		(3,356	)		—			—			—			—			(3,356	)
Recoveries		212			3,378			4,961			62			—			8,613
Net (charge-offs)/recoveries		(3,144	)		3,378			4,961			62			—			5,257
September 30, 2019 Ending Balance	$	58,549		$	21,698		$	33,467		$	12,169		$	25		$	125,908

									Residential
				Real Estate		Commercial			Mortgage Loans		Installment
	Commercial			Construction		Mortgage			and		and Other
	Loans			Loans		Loans			Equity Lines		Loans		Total
	(In thousands)
June 30, 2018 Ending Balance	$	55,179		$	20,663	$	33,976		$	12,062	$	19	$	121,899
Provision/(reversal) for possible credit losses		1,270			519		(4,138	)		842		7		(1,500	)
Charge-offs		(122	)		—		—			—		—		(122	)
Recoveries		187			44		2,944			5		—		3,180
Net recoveries		65			44		2,944			5		—		3,058
September 30, 2018 Ending Balance	$	56,514		$	21,226	$	32,782		$	12,909	$	26	$	123,457

Nine months ended September 30, 2019 and 2018

										Residential
				Real Estate			Commercial			Mortgage Loans			Installment
	Commercial			Construction			Mortgage			and			and Other
	Loans			Loans			Loans			Equity Lines			Loans		Total
	(In thousands)
2019 Beginning Balance	$	54,978		$	19,626		$	33,487		$	14,282		$	18	$	122,391
Provision/(reversal) for possible credit losses		8,262			(2,540	)		(5,234	)		(2,495	)		7		(2,000	)
Charge-offs		(6,300	)		—			—			—			—		(6,300	)
Recoveries		1,609			4,612			5,214			382			—		11,817
Net (charge-offs)/recoveries		(4,691	)		4,612			5,214			382			—		5,517
September 30, 2019 Ending Balance	$	58,549		$	21,698		$	33,467		$	12,169		$	25	$	125,908
Reserve for impaired loans	$	744		$	—		$	536		$	221		$	—	$	1,501
Reserve for non-impaired loans	$	57,805		$	21,698		$	32,931		$	11,948		$	25	$	124,407
Reserve for off-balance sheet credit commitments	$	2,505		$	1,608		$	121		$	313		$	3	$	4,550

										Residential
				Real Estate			Commercial			Mortgage Loans		Installment
	Commercial			Construction			Mortgage			and		and Other
	Loans			Loans			Loans			Equity Lines		Loans		Total
	(In thousands)
2018 Beginning Balance	$	49,796		$	24,838		$	37,610		$	11,013	$	22	$	123,279
Provision/(reversal) for possible credit losses		6,097			(3,744	)		(8,672	)		1,815		4		(4,500	)
Charge-offs		(629	)		—			(390	)		—		—		(1,019	)
Recoveries		1,250			132			4,234			81		—		5,697
Net recoveries		621			132			3,844			81		—		4,678
September 30, 2018 Ending Balance	$	56,514		$	21,226		$	32,782		$	12,909	$	26	$	123,457
Reserve for impaired loans	$	2,506		$	—		$	917		$	281	$	—	$	3,704
Reserve for non-impaired loans	$	54,008		$	21,226		$	31,865		$	12,628	$	26	$	119,753
Reserve for off-balance sheet credit commitments	$	1,615		$	1,174		$	78		$	215	$	6	$	3,088

24

Loans Held-for-Sale

At the time of commitment to originate or purchase a loan, the loan is determined to be held for investment if it is in the Company’s intent to hold the loan to maturity or for the “foreseeable future,” subject to periodic reviews under the Company’s evaluation processes, including asset/liability and credit risk management. When the Company subsequently changes its intent to hold certain loans, the loans are transferred from held-for-investment to held-for-sale at the lower of cost or fair value. As of September 30, 2019, there were approximately $36.8 million of loans held-for-sale, which were all comprised of residential mortgage loans. There were no loans held-for-sale as of December 31, 2018.

Loans Purchases, Transfers and Sales

The Company purchases and sells loans in the secondary market in the ordinary course of business. From time to time, purchased loans may be transferred from held-for-investment to held-for-sale, and write-downs to the allowance for loan losses are recorded, when appropriate. During the three and nine months ended September 30, 2019, the Company reclassified $75.3 million of residential mortgages from held-for-investment to held-for-sale. Net gains on sales of loans, excluding the lower of cost or fair value adjustments, were $0.8 million, for the three and nine months ended September 30, 2019. The Company recorded a lower of cost or fair value adjustment of $120 thousand during the three and nine months ended September 30, 2019. Noloan transfers were made during the three and nine months ended September 30, 2018.

25

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 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.

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 $131.4 million and $113.0 million as of September 30, 2019 and December 31, 2018, 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 at lease when it is reasonably certain that the Company will exercise those options. The 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 September 30, 2019.

Accounting Policy Elections - The Company has elected the package of practical expedients that permits the Company to not reassess our prior conclusions about lease identification, lease classification and initial direct costs. The Company 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.

Significant Assumptions - The Company uses its incremental borrowing rate to determine the present value of its lease liabilities. The Company calculated a weighted average borrowing rate of 3.14% and a weighted average remaining lease term of 5.47 years as of September 30, 2019.

26

As of September 30, 2019, the Company recorded a ROU asset of $34.5 million, net of accumulated amortization of $6.2 million. Operating lease expense was $3.3 million and $10.1 million for the three and nine months ended September 30, 2019, respectively, and includes short-term leases that were immaterial. Operating cash flows from operating leases were $2.1 million and $6.2 million for the three and nine months ended September 30, 2019, respectively. The below maturity schedule represents the undiscounted lease payments for the 5-year period and thereafter as of September 30, 2019.

	As of September 30, 2019
	Operating Leases
	(In thousands)
Remaining 2019	$	2,114
2020		8,543
2021		7,635
2022		6,428
2023		5,426
Thereafter		9,531
Total lease payments		39,677
Less amount of payment representing interest		(3,535	)
Total present value of lease payments	$	36,142

The following table shows future minimum payments under operating leases with terms in excess of one year as of December 31, 2018.

	As of December 31, 2018
	Operating Leases
	(In thousands)
2019	$	8,835
2020		7,220
2021		6,406
2022		5,406
2023		4,208
Thereafter		4,899
Total minimum lease payments	$	36,974

11. Borrowed Funds

Borrowings from the Federal Home Loan Bank (“FHLB”) - As of September 30, 2019, over-night borrowings from the FHLB were $330 million at an average rate of 2.08% compared to $200 million at an average rate of 2.56% as of December 31, 2018. Advances from the FHLB were $270 million at an average rate of 2.15% as of September 30, 2019 and $330 million at an average rate of 2.42% as of December 31, 2018. As of September 30, 2019, FHLB advances of $50 million will mature in December 2019, $75 million in May 2021, $50 million in June 2021, $75 million in July 2021, and $20 million in May 2023.

Other Borrowings - The Company owes a residual payable balance of $7.6 million to Bank SinoPac Co. related to the Company’s acquisition of SinoPac Bancorp, the parent of Far East National Bank. The remaining balance of $7.0 million, due in July 2020, has an interest rate of 3.60% (three month LIBOR rate plus 150 basis points) as of September 30, 2019.

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Long-term Debt - On October 12, 2017, the Bank entered into a term loan agreement of $75.0 million with U.S. Bank. The loan has a floating rate of one-month LIBOR plus 175 basis points. As of September 30, 2019, the term loan has a remaining balance of $41.3 million and an interest rate of 3.875% compared to 4.125% at December 31, 2018. The principal amount of the long-term debt from U.S. Bank is due and payable in consecutive quarterly installments of $4.7 million each on the last day of each calendar quarter commencing December 31, 2018, with the final installment due and payable on October 12, 2020. We used the U.S. Bank loan proceeds to fund a portion of our acquisition of SinoPac Bancorp.

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

At September 30, 2019, Junior Subordinated Notes totaled $119.1 million with a weighted average interest rate of 4.29%, compared to $119.1 million with a weighted average rate of 4.96% at December 31, 2018. The Junior Subordinated Notes have a stated maturity term of 30 years.

12. Income Taxes

The effective tax rate for the first nine months of 2019 was 20.3% compared to 19.0% for the first nine months of 2018. The effective tax rate includes the impact of low-income housing and alternative energy investment tax credits. Income tax expense for the first nine months of 2019 was reduced by $0.6 million in benefits from the distribution of restricted stock units.

The Company’s tax returns are open for audit by the Internal Revenue Service back to 2016 and by the California Franchise Tax Board back to 2014. The Company is currently under audit by the Internal Revenue Service for 2017.

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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13. Fair Value Measurements

The Company determined the fair values of our financial instruments based on the following:

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

Securities Available for Sale - For certain U.S. Treasury 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.

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. Equity securities are comprised of mutual funds, preferred stock of government-sponsored entities and other equity securities.

Foreign Exchange Contracts - The Company measures the fair value of foreign exchange contracts based on dealer quotes, a Level 2 measurement.

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

Interest Rate Swaps - Fair value of interest rate swaps is derived from third party models with observable market data, a Level 2 measurement.

Assets 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 nine months ended September 30, 2019 and December 31, 2018, 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.

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The following tables present the Company’s hierarchy for its assets and liabilities measured at fair value on a recurring basis as of September 30, 2019, and December 31, 2018:

	September 30, 2019
	Fair Value Measurements Using						Total Fair Value
	Level 1		Level 2		Level 3		Measurements
	(In thousands)
Assets
Securities available-for-sale
U.S. government agency entities	$	—	$	92,954	$	—	$	92,954
U.S. government sponsored entities		—		347,699		—		347,699
Mortgage-backed securities		—		886,735		—		886,735
Collateralized mortgage obligations		—		665		—		665
Corporate debt securities		—		99,385		—		99,385
Total securities available-for-sale	$	—	$	1,427,438	$	—	$	1,427,438
Equity securities
Mutual funds	$	6,307	$	—	$	—	$	6,307
Preferred stock of government sponsored entities		15,145		—		—		15,145
Other equity securities		11,410		—		—		11,410
Total equity securities	$	32,862	$	—	$	—	$	32,862
Warrants	$	—	$	—	$	31	$	31
Interest rate swaps		—		1,697		—		1,697
Foreign exchange contracts		—		965		—		965
Total assets	$	32,862	$	1,430,100	$	31	$	1,462,993
Liabilities
Option contracts	$	—	$	6	$	—	$	6
Interest rate swaps		—		17,734		—		17,734
Foreign exchange contracts		—		2,435		—		2,435
Total liabilities	$	—	$	20,175	$	—	$	20,175

	December 31, 2018
	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	$	124,751	$	—	$	—	$	124,751
U.S. government agency entities		—		5,871		—		5,871
U.S. government sponsored entities		—		388,363		—		388,363
Mortgage-backed securities		—		656,744		—		656,744
Collateralized mortgage obligations		—		977		—		977
Corporate debt securities		—		65,803		—		65,803
Total securities available-for-sale	$	124,751	$	1,117,758	$	—	$	1,242,509
Equity securities
Mutual funds	$	6,094	$	—	$	—	$	6,094
Preferred stock of government sponsored entities		7,822		—		—		7,822
Other equity securities		11,182		—		—		11,182
Total equity securities	$	25,098	$	—	$	—	$	25,098
Warrants	$	—	$	—	$	184	$	184
Interest rate swaps		—		7,810		—		7,810
Foreign exchange contracts		—		397		—		397
Total assets	$	149,849	$	1,125,965	$	184	$	1,275,998
Liabilities
Option contracts	$	—	$	6	$	—	$	6
Interest rate swaps		—		1,543		—		1,543
Foreign exchange contracts		—		1,763		—		1,763
Total liabilities	$	—	$	3,312	$	—	$	3,312

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The Company measured the fair value of its warrants on a recurring basis using significant unobservable inputs. The fair value adjustment of warrants was included in other operating income in the third quarter of 2019. The significant unobservable inputs in the Black-Scholes option pricing model for the fair value of warrants are their expected life ranging from 1 to 6 years, risk-free interest rate from 1.77% to 1.87%, and stock volatility from 13.86% to 20.46%.

For financial assets measured at fair value on a nonrecurring basis that were still reflected in the Condensed Consolidated Balance Sheets as of September 30, 2019, the following tables set forth the level of valuation assumptions used to determine each adjustment, the carrying value of the related individual assets as of September 30, 2019, and December 31, 2018, and the total losses for the periods indicated:

	As of September 30, 2019								Total Losses
	Fair Value Measurements Using						Total Fair		For the Three Months Ended				For the Nine Months Ended
	Level 1		Level 2		Level 3		Value Measurements		September 30, 2019		September 30, 2018		September 30, 2019		September 30, 2018
	(In thousands)
Assets
Impaired loans by type:
Commercial loans	$	—	$	—	$	12,491	$	12,491	$	—	$	—	$	—	$	—
Commercial mortgage loans		—		—		25,752		25,752		—		—		—		—
Residential mortgage loans and equity lines		—		—		5,696		5,696		—		—		—		—
Total impaired loans		—		—		43,939		43,939		—		—		—		—
Loans held-for-sale		—		—		36,778		36,778		120		—		120		—
Other real estate owned (1)		—		7,625		4,343		11,968		—		—		494		—
Investments in venture capital and private company stock		—		—		1,671		1,671		83		62		101		326
Total assets	$	—	$	7,625	$	86,731	$	94,356	$	203	$	62	$	715	$	326

⁽¹⁾ Other real estate owned balance of $11.3 million in the condensed consolidated balance sheet is net of estimated disposal costs. 

	As of December 31, 2018								Total Losses/(Gains)
	Fair Value Measurements Using						Total Fair Value		For the Twelve Months Ended
	Level 1		Level 2		Level 3		Measurements		December 31, 2018			December 31, 2017
	(In thousands)
Assets
Impaired loans by type:
Commercial loans	$	—	$	—	$	4,733	$	4,733	$	—		$	25
Commercial mortgage loans		—		—		26,186		26,186		—			—
Residential mortgage loans and equity lines		—		—		6,850		6,850		—			—
Total impaired loans		—		—		37,769		37,769		—			25
Other real estate owned (1)		—		9,023		4,343		13,366		(619	)		457
Investments in venture capital and private company stock		—		—		2,162		2,162		330			392
Total assets	$	—	$	9,023	$	44,274	$	53,297	$	(289	)	$	874

⁽¹⁾ Other real estate owned balance of $12.7 million in the Consolidated Balance Sheets is net of estimated disposal costs.

The significant unobservable (Level 3) inputs used in the fair value measurement of collateral for collateral-dependent impaired 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. During the 2018 reported period, collateral discounts ranged from 55% in the case of accounts receivable collateral to 65% in the case of inventory collateral. In the current year, the Company began using borrower specific collateral discounts with various discount levels.

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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 impaired loans, quoted price, or loan sale price of loans held for sale, and appraised value of OREO.

14. Fair Value of Financial Instruments

The Company uses the following methods and assumptions to estimate the fair value of each class of financial instruments.

Cash and Cash Equivalents - For cash and cash equivalents, the carrying amount is assumed to be a reasonable estimate of fair value, a Level 1 measurement.

Short-term Investments and interest-bearing deposits - For short-term investments and interest-bearing deposits, the carrying amount is assumed to be a reasonable estimate of fair value, a Level 1 measurement.

Securities Available for Sale - For certain U.S. Treasury 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.

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. Equity securities are comprised of mutual funds, preferred stock of government-sponsored entities and other equity securities.

Loans - Fair values are estimated for portfolios of loans with similar financial characteristics. Each loan category is further segmented into fixed and adjustable rate interest terms and by performing and non-performing categories. The fair values are based primarily on third-party vendor pricing to determine fair values based on the exit price notion.

The fair value of performing loans is calculated by discounting scheduled cash flows through the estimated maturity using estimated market discount rates that reflect the credit and interest rate risk inherent in the loan, a Level 3 measurement.

The fair value of impaired 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 impaired loans are recorded based on the current appraised value or adjusted appraised value of the collateral, a Level 2 or Level 3 measurement.

Loans Held-for-Sale – The Company records loans held for sale at fair value based on quoted prices from third party sale analysis, existing sale agreements, or appraisal reports adjusted by sales commission assumption, a Level 3 measurement.

FHLB Stock - These securities can only be redeemed or sold at their par value and only to the respective issuing government-supported institution or to another member institution. Management considers these non-marketable equity securities to be long-term investments. Accordingly, when evaluating these securities for impairment, management considers the ultimate recoverability of the par value rather than recognizing temporary declines in value.     

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Deposit Liabilities - The fair value of demand deposits, savings accounts, and certain money market deposits is assumed to be the amount payable on demand at the reporting date. The fair value of fixed-maturity certificates of deposit is estimated using the rates currently offered for deposits with similar remaining maturities, a Level 3 measurement.

Advances from FHLB - The fair value of the advances is based on quotes from the FHLB to settle the advances, a Level 2 measurement.

Other Borrowings - This category includes borrowings from other financial institutions.  The fair value of other borrowings is calculated by discounting scheduled cash flows through the estimated maturity using estimated market discount rates that reflect the credit and interest rate risk, a Level 3 measurement. 

Long-term Debt - The fair value of long-term debt is estimated based on the quoted market prices or dealer quotes, a Level 2 measurement.

Currency Option and Foreign Exchange Contracts - The Company measures the fair value of currency option and foreign exchange contracts based on dealer quotes, a Level 2 measurement.

Interest Rate Swaps - Fair value of interest rate swaps is derived from third party models with observable market data, a Level 2 measurement.

Off-Balance-Sheet Financial Instruments - The fair value of commitments to extend credit, standby letters of credit, and financial guarantees written is estimated using the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the present creditworthiness of the counterparties. The fair value of guarantees and letters of credit is based on fees currently charged for similar agreements or on the estimated cost to terminate them or otherwise settle the obligations with the counterparties at the reporting date. The fair value of off-balance-sheet financial instruments is based on the assumptions that a market participant would use, a Level 3 measurement.

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.

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The following table sets forth the carrying and notional amounts and estimated fair value of financial instruments as of September 30, 2019 and December 31, 2018:

	September 30, 2019				December 31, 2018
	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
	(In thousands)
Financial Assets
Cash and due from banks	$	257,189	$	257,189	$	225,333	$	225,333
Short-term investments		567,957		567,957		374,957		374,957
Securities available-for-sale		1,427,438		1,427,438		1,242,509		1,242,509
Loans held-for-sale		36,778		36,778		—		—
Loans, net		14,601,565		15,004,114		13,871,832		13,928,162
Equity securities		32,862		32,862		25,098		25,098
Investment in Federal Home Loan Bank stock		17,250		17,250		17,250		17,250
Warrants		31		31		184		184

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Foreign exchange contracts	$	70,955	$	965	$	86,875	$	397
Interest rate swaps		139,466		1,697		467,410		7,810

	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
Financial Liabilities
Deposits	$	14,658,269	$	14,703,977	$	13,702,340	$	13,754,028
Advances from Federal Home Loan Bank		600,000		603,014		530,000		529,500
Other borrowings		38,369		31,844		35,756		34,031
Long-term debt		160,386		113,409		189,448		132,615

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Option contracts	$	1,172	$	6	$	1,215	$	6
Foreign exchange contracts		121,769		2,435		94,977		1,763
Interest rate swaps		581,496		17,734		265,166		1,543

	Notional					Notional
	Amount		Fair Value			Amount		Fair Value
Off-Balance Sheet Financial Instruments
Commitments to extend credit	$	3,097,207	$	(9,291	)	$	2,691,579	$	(8,843	)
Standby letters of credit		264,059		(2,537	)		245,087		(2,662	)
Other letters of credit		29,230		(28	)		35,759		(30	)
Bill of lading guarantees		743		—			730		—

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The following tables set forth the level in the fair value hierarchy for the estimated fair values of financial instruments as of September 30, 2019, and December 31, 2018.

	As of September 30, 2019
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	257,189	$	257,189	$	—	$	—
Short-term investments		567,957		567,957		—		—
Securities available-for-sale		1,427,438		—		1,427,438		—
Loans held-for-sale		36,778		—		—		36,778
Loans, net		15,004,114		—		—		15,004,114
Equity securities		32,862		32,862		—		—
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Warrants		31		—		—		31
Financial Liabilities
Deposits		14,703,977		—		—		14,703,977
Advances from Federal Home Loan Bank		603,014		—		603,014		—
Other borrowings		31,844		—		—		31,844
Long-term debt		113,409		—		113,409		—

	As of December 31, 2018
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	225,333	$	225,333	$	—	$	—
Short-term investments		374,957		374,957		—		—
Securities available-for-sale		1,242,509		124,751		1,117,758		—
Loans, net		13,928,162		—		—		13,928,162
Equity securities		25,098		25,098		—		—
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Warrants		184		—		—		184
Financial Liabilities
Deposits		13,754,028		—		—		13,754,028
Advances from Federal Home Loan Bank		529,500		—		529,500		—
Other borrowings		34,031		—		—		34,031
Long-term debt		132,615		—		132,615		—

15. 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.  

As of September 30, 2019, the Company’s market capitalization was above book value and there was no triggering event that required the Company to assess goodwill for impairment as of an interim date.

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16. 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. The Bancorp pays a weighted average fixed interest rate of 2.61% and receives a variable interest rate of the three-month LIBOR at a weighted average rate of 2.37%. The notional amount of cash flow interest rate swaps was $119.1 million as of both September 30, 2019 and December 31, 2018, and their unrealized loss of $4.4 million and $241 thousand, net of taxes, was included in other comprehensive income as of September 30, 2019 and December 31, 2018, respectively. The amount of periodic net settlement of interest rate swaps included in interest expense was $78 thousand and $83 thousand for the three months ended September 30, 2019 and 2018, respectively. The amount of periodic net settlement of interest rate swaps included in interest expense was a net interest expense of $41 thousand and a net interest expense of $480 thousand for the nine months ended September 30, 2019 and 2018, respectively. As of September 30, 2019, and 2018, the ineffective portion of these interest rate swaps was not significant.

As of September 30, 2019, the Bank’s outstanding interest rate swap contracts had a notional amount of $584.0 million for various terms from three to ten years. The Bank entered into these interest rate swap contracts that are matched to individual 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. The Bank pays a weighted average fixed rate of 4.71% and receives a variable rate of the one-month LIBOR rate plus a weighted average spread of 261 basis points, or at a weighted average rate of 5.01%. As of September 30, 2019, and December 31, 2018, the notional amount of fair value interest rate swaps was $584.0 million and $613.4 million, respectively, with net unrealized losses of $9.8 million and net unrealized gains of $6.6 million, respectively, included in other non-interest income. The amount of periodic net settlement of interest rate swaps increased interest income by $205 thousand and $96 thousand for the three months ended September 30, 2019 and 2018, respectively. The amount of periodic net settlement of interest rate swaps increased interest income by $1.4 million and decreased interest income by $132 thousand for the nine months ended September 30, 2019 and 2018, respectively. As of September 30, 2019, and 2018, the ineffective portion of these interest rate swaps was not significant.

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 $9.1 million as of September 30, 2019 and $1.8 million as of December 31, 2018.

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. As of September 30, 2019, the notional amount of option contracts totaled $1.2 million with a net negative fair value of $6 thousand. As of September 30, 2019, spot, forward, and swap contracts in the total notional amount of $71.0 million had a positive fair value of $965 thousand. Spot, forward, and swap contracts in the total notional amount of $121.8 million had a negative fair value of $2.4 million at September 30, 2019. As of December 31, 2018, the notional amount of option contracts totaled $1.2 million with a net negative fair value of $6 thousand. As of December 31, 2018, spot, forward, and swap contracts in the total notional amount of $86.9 million had a positive fair value of $397 thousand. Spot, forward, and swap contracts in the total notional amount of $95.0 million had a negative fair value of $1.8 million at December 31, 2018.

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17. 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 September 30, 2019, and December 31, 2018, are set forth in the following table:

							Gross Amounts Not Offset in the
							Balance Sheet
	Gross Amounts Recognized		Gross Amounts Offset in the Balance Sheet		Net Amounts Presented in the Balance Sheet		Financial Instruments		Collateral Posted			Net Amount
	(In thousands)
September 30, 2019
Assets:
Derivatives	$	1,697	$	—	$	1,697	$	—	$	—		$	1,697
Liabilities:
Derivatives	$	17,734	$	—	$	17,734	$	—	$	(22,198	)	$	(4,464	)
December 31, 2018
Assets:
Derivatives	$	7,810	$	—	$	7,810	$	—	$	—		$	7,810
Liabilities:
Derivatives	$	1,543	$	—	$	1,543	$	—	$	(1,543	)	$	—

18. Revenue from Contracts with Customers

On January 1, 2018, the Company adopted ASU 2014-09, Revenue from Contracts with Customers - Topic 606 and all subsequent ASUs that modified ASC 606, Revenue from Contracts with Customers. The Company adopted ASC 606 using the modified retrospective method applied to those contracts that were not completed as of January 1, 2018. The new standard did not materially impact the timing or measurement of the Company’s revenue recognition as it is consistent with the Company’s existing accounting for contracts within the scope of the new standard. There was no cumulative effect adjustment to retained earnings as a result of adopting this new standard.

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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 September 30,				Nine months Ended September 30,
	2019		2018		2019		2018
	(In thousands)
Non-interest income, in-scope:
Fees and service charges on deposit accounts	$	1,892	$	2,027	$	5,940	$	6,421
Wealth management fees		2,049		1,528		6,258		4,252
Other service fees(1)		3,645		3,376		10,593		10,140
Total noninterest income		7,586		6,931		22,791		20,813
Noninterest income, not in-scope(2)		2,802		904		13,312		99
Total noninterest income	$	10,388	$	7,835	$	36,103	$	20,912

⁽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 tables are described in additional detail below:

Fees and Services Charges on Deposit Accounts

Fees and service charges on deposit accounts include charges for analysis, overdraft, cash checking, ATM, and safe deposit activities executed by our deposit clients, as well as interchange income earned through card payment networks for the acceptance of card based transactions. Fees earned from our deposit clients are governed by contracts that provide for overall custody and access to deposited funds and other related services and can be terminated at will by either party. Fees received from deposit clients for the various deposit activities are recognized as revenue by the Company once the performance obligations are met. The adoption of ASU 2014-09 had no impact to the recognition of fees and service charges on deposit accounts.

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.

19. Stockholders’ Equity

Total equity was $2.25 billion as of September 30, 2019, an increase of $124.0 million, from $2.12 billion as of December 31, 2018, primarily due to net income of $211.8 million, increases in other comprehensive income of $17.2 million, and proceeds from dividend reinvestment of $2.5 million, and partially offset by common stock cash dividends of $74.4 million and repurchases of the Company’s common stock of $36.3 million.

Activity in accumulated other comprehensive income, net of tax, and reclassification out of accumulated other comprehensive income for the three months and nine months ended September 30, 2019, and September 30, 2018, was as follows:

	Three months ended September 30, 2019									Three months ended September 30, 2018
	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							$	2,209								$	(24,084	)
Cash flow hedge derivatives								(3,567	)								1,163
Total							$	(1,358	)							$	(22,921	)
Net unrealized gains/(losses) arising during the period
Securities available-for-sale	$	1,750		$	517		$	1,233		$	(3,603	)	$	(1,065	)	$	(2,538	)
Cash flow hedge derivatives		(1,126	)		(333	)		(793	)		2,365			699			1,666
Total	$	624		$	184		$	440		$	(1,238	)	$	(366	)	$	(872	)
Reclassification adjustment for net losses in net income
Securities available-for-sale		121			36			85			14			4			10
Cash flow hedge derivatives		—			—			—			—			—			—
Total		121			36			85			14			4			10
Total other comprehensive income/(loss)
Securities available-for-sale	$	1,871		$	553		$	1,318		$	(3,589	)	$	(1,061	)	$	(2,528	)
Cash flow hedge derivatives		(1,126	)		(333	)		(793	)		2,365			699			1,666
Total	$	745		$	220		$	525		$	(1,224	)	$	(362	)	$	(862	)
Ending balance, gain/(loss), net of tax
Securities available-for-sale							$	3,527								$	(26,612	)
Cash flow hedge derivatives								(4,360	)								2,829
Total							$	(833	)							$	(23,783	)

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	Nine months ended September 30, 2019									Nine months ended September 30, 2018
	Pre-tax			Tax expense/ (benefit)			Net-of-tax			Pre-tax			Tax expense/ (benefit)			Net-of-tax
	(In thousands)
Beginning balance, loss, net of tax
Securities available-for-sale							$	(17,765	)							$	(1,060	)
Cash flow hedge derivatives								(241	)								(1,451	)
Total							$	(18,006	)							$	(2,511	)
Reclassification adjustment for stranded tax effects of Tax Cuts and Jobs Act (1)
Securities available-for-sale	$	—		$	—		$	—		$	—		$	200		$	(200	)
Cash flow hedge derivatives		—			—			—			—			315			(315	)
Total	$	—		$	—		$	—		$	—		$	515		$	(515	)
Reclassification adjustment for equity securities (2)
Equity securities	$	—		$	—		$	—		$	(12,151	)	$	(3,592	)	$	(8,559	)
Net unrealized gains/(losses) arising during the period
Securities available-for-sale	$	30,119		$	8,903		$	21,216		$	(23,854	)	$	(7,051	)	$	(16,803	)
Cash flow hedge derivatives		(5,848	)		(1,729	)		(4,119	)		6,523			1,928			4,595
Total	$	24,271		$	7,174		$	17,097		$	(17,331	)	$	(5,123	)	$	(12,208	)
Reclassification adjustment for net losses in net income
Securities available-for-sale		108			32			76			14			4			10
Cash flow hedge derivatives		—			—			—			—			—			—
Total		108			32			76			14			4			10
Total other comprehensive income/(loss)
Securities available-for-sale	$	30,227		$	8,935		$	21,292		$	(23,840	)	$	(7,047	)	$	(16,793	)
Cash flow hedge derivatives		(5,848	)		(1,729	)		(4,119	)		6,523			1,928			4,595
Total	$	24,379		$	7,206		$	17,173		$	(17,317	)	$	(5,119	)	$	(12,198	)
Ending balance, gain/(loss), net of tax
Securities available-for-sale							$	3,527								$	(26,612	)
Cash flow hedge derivatives								(4,360	)								2,829
Total							$	(833	)							$	(23,783	)

(1)	These amounts were recorded as of January 1, 2018 as a result of the adoption of ASU 2018-2.
(2)	This amount was recorded as of January 1, 2018 as a result of the adoption of ASU 2016-1.

20. Stock Repurchase Program

In May 2019, the Company completed the October 2018 stock repurchase program with the repurchase of 1,182,060 shares in total for approximately $45.0 million at an average cost of $38.07 per share of the Company’s common stock.

Thereafter, on May 7, 2019, the Company announced that its Board of Directors adopted a new stock repurchase program to buy back up to $50.0 million of the Company’s common stock. As of September 30, 2019, the Company repurchased 741,934 shares for approximately $26.4 million, at an average cost of $35.59 per share, and may repurchase up to an additional $23.6 million of its common stock under the May 2019 stock repurchase program.

21. Subsequent Events

The Company has evaluated the effect of events that have occurred subsequent to September 30, 2019, 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, 2018.

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, 2018.

Highlights

● Total loans, including loans held for sale, increased $171.8 million, or 4.9% annualized, to $14.8 billion for the quarter.

● Total deposits increased $295.3 million, or 8.6% annualized, to $14.7 billion for the quarter.

Quarterly Statement of Operations Review

Net Income

Net income for the quarter ended September 30, 2019, was $72.8 million, an increase of $3.0 million, or 4.3%, compared to net income of $69.8 million for the same quarter a year ago. Diluted earnings per share for the quarter ended September 30, 2019 was $0.91 compared to $0.85 for the same quarter a year ago.

Return on average stockholders’ equity was 12.98% and return on average assets was 1.65% for the quarter ended September 30, 2019, compared to a return on average stockholders’ equity of 13.19% and a return on average assets of 1.72% for the same quarter a year ago.

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Financial Performance

	Three months ended
	September 30, 2019			September 30, 2018
Net income (in millions)	$	72.8		$	69.8
Basic earnings per common share	$	0.91		$	0.86
Diluted earnings per common share	$	0.91		$	0.85
Return on average assets		1.65	%		1.72	%
Return on average total stockholders' equity		12.98	%		13.19	%
Efficiency ratio		41.67	%		43.14	%

Net Interest Income Before Provision for Credit Losses

Net interest income before provision for credit losses increased $1.9 million, or 1.3%, to $147.0 million during the third quarter of 2019, compared to $145.1 million during the same quarter a year ago. The increase was due primarily to a $3.1 million increase in interest recoveries and prepayment penalties, offset in part by an increase in interest expense from time deposits.

The net interest margin was 3.56% for the third quarter of 2019 compared to 3.83% for the third quarter of 2018 and 3.58% for the second quarter of 2019.

For the third quarter of 2019, the yield on average interest-earning assets was 4.80%, the cost of funds on average interest-bearing liabilities was 1.65%, and the cost of interest-bearing deposits was 1.60%. In comparison, for the third quarter of 2018, the yield on average interest-earning assets was 4.67%, the cost of funds on average interest-bearing liabilities was 1.15%, and the cost of interest-bearing deposits was 1.05%. The increase in the yield on average interest-earning assets resulted primarily from the higher interest recoveries and prepayment penalties discussed above. 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 3.15% for the quarter ended September 30, 2019, compared to 3.52% for the same quarter a year ago.

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The following table sets forth information concerning average interest-earning assets, average interest-bearing liabilities, and the average yields and rates paid on those assets and liabilities for the three months ended September 30, 2019, and 2018. Average outstanding amounts included in the table are daily averages.

	Interest-Earning Assets and Interest-Bearing Liabilities
	Three months ended September 30,
	2019								2018
				Interest		Average						Interest		Average
	Average			Income/		Yield/			Average			Income/		Yield/
	Balance			Expense		Rate (1)(2)			Balance			Expense		Rate (1)(2)
	(Dollars in thousands)
Interest-earning assets:
Total loans and leases (1)	$	14,662,847		$	187,827		5.08	%	$	13,434,018		$	168,179		4.97	%
Investment securities		1,498,569			8,687		2.30			1,399,031			7,546		2.14
Federal Home Loan Bank stock		17,250			301		6.92			17,250			303		6.95
Interest-bearing deposits		188,772			1,016		2.14			178,434			838		1.86
Total interest-earning assets		16,367,438			197,831		4.80			15,028,733			176,866		4.67
Non-interest earning assets:
Cash and due from banks		204,974								196,693
Other non-earning assets		1,037,937								1,036,279
Total non-interest earning assets		1,242,911								1,232,972
Less: Allowance for loan losses		(125,399	)							(124,579	)
Deferred loan fees		(1,574	)							(2,777	)
Total assets	$	17,483,376							$	16,134,349
Interest-bearing liabilities:
Interest-bearing demand accounts	$	1,281,629		$	589		0.18	%	$	1,396,436		$	694		0.20	%
Money market accounts		2,028,039			5,684		1.11			2,234,139			4,435		0.79
Savings accounts		726,763			354		0.19			780,412			345		0.18
Time deposits		7,623,238			40,378		2.10			5,997,268			22,135		1.46
Total interest-bearing deposits		11,659,669			47,005		1.60			10,408,255			27,609		1.05
Securities sold under agreements to repurchase		—			—		—			16,304			124		3.02
Other borrowings		362,698			1,878		2.05			307,298			1,829		2.36
Long-term debt		165,023			1,948		4.68			194,136			2,220		4.54
Total interest-bearing liabilities		12,187,390			50,831		1.65			10,925,993			31,782		1.15
Non-interest bearing liabilities:
Demand deposit		2,805,582								2,877,646
Other liabilities		263,813								232,924
Total equity		2,226,591								2,097,786
Total liabilities and equity	$	17,483,376							$	16,134,349
Net interest spread							3.15	%							3.52	%
Net interest income				$	147,000							$	145,084
Net interest margin							3.56	%							3.83	%

(1)	Yields and amounts of interest earned include loan fees. Non-accrual loans are included in the average balance.
(2)	Calculated by dividing net interest income by average outstanding interest-earning assets.

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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:

Taxable-Equivalent Net Interest Income — Changes Due to Volume and Rate(1)
	Three months ended September 30,
	2019-2018
	Increase/(Decrease) in
	Net Interest Income Due to:
	Changes in Volume			Changes in Rate			Total Change
	(In thousands)
Interest-earning assets:
Loans and leases	$	15,669		$	3,979		$	19,648
Investment securities		556			584			1,140
Federal Home Loan Bank stock		—			(2	)		(2	)
Deposits with other banks		51			128			179
Total changes in interest income		16,276			4,689			20,965
Interest-bearing liabilities:
Interest-bearing demand accounts		(55	)		(50	)		(105	)
Money market accounts		(435	)		1,683			1,248
Savings accounts		(24	)		33			9
Time deposits		7,004			11,239			18,243
Securities sold under agreements to repurchase		(62	)		(62	)		(124	)
Other borrowed funds		303			(253	)		50
Long-term debt		(341	)		69		$	(272	)
Total changes in interest expense		6,390			12,659			19,049
Changes in net interest income	$	9,886		$	(7,970	)	$	1,916

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

Provision/(reversal) for credit losses

The Company recorded a reversal for credit losses of $2.0 million in the third quarter of 2019 compared to a reversal for credit losses of $1.5 million in the third quarter of 2018, based on our management’s review of the appropriateness of the allowance for loan losses at September 30, 2019 and September 30, 2018, respectively. The following table summarizes the charge-offs and recoveries for the periods indicated:

	Three months ended September 30,						Nine months ended September 30,
	2019			2018			2019			2018
	(In thousands)
Charge-offs:
Commercial loans	$	3,356		$	122		$	6,300		$	629
Real estate loans (1)		—			—			—			390
Total charge-offs		3,356			122			6,300			1,019
Recoveries:
Commercial loans		212			187			1,609			1,250
Construction loans		3,378			44			4,612			132
Real estate loans (1)		5,023			2,949			5,596			4,315
Total recoveries		8,613			3,180			11,817			5,697
Net recoveries	$	(5,257	)	$	(3,058	)	$	(5,517	)	$	(4,678	)

(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 $10.4 million for the third quarter of 2019, an increase of $2.6 million, or 33.3%, compared to $7.8 million for the third quarter of 2018. The increase was primarily due to an increase of $1.5 million in the valuation of interest rate swap contracts and an increase of $0.8 million from the sale of residential mortgages, when compared to the same quarter a year ago.

Non-Interest Expense

Non-interest expense decreased $0.4 million, or 0.6%, to $65.6 million in the third quarter of 2019, compared to $66.0 million in the same quarter a year ago. The decrease was primarily due to a $4.1 million decrease in the amortization of low income housing and alternative energy partnerships, which was partially offset by a $1.4 million increase in salary and employee benefits and a $1.2 million increase in marketing expense, when compared to the same quarter a year ago. The efficiency ratio was 41.7% in the third quarter of 2019 compared to 43.1% for the same quarter a year ago.

Income Taxes

The effective tax rate for the third quarter of 2019 was 22.4% compared to 21.1% for the third quarter of 2018. The income tax expense for the third quarter of 2019 included a $1.4 million adjustment to reflect the impact of the delay in installation of solar systems and $0.8 million adjustment for lower than expected low income housing tax credits. The effective tax rate for both quarters includes the impact of low-income housing and alternative energy investment tax credits.

Year-to-Date Statement of Operations Review

Net income for the nine months ended September 30, 2019, was $211.8 million, an increase of $4.6 million, or 2.2%, compared to net income of $207.2 million for the same period a year ago. Diluted earnings per share was $2.64 compared to $2.53 per share for the same period a year ago. The net interest margin for the nine months ended September 30, 2019, was 3.61% compared to 3.80% for the same period a year ago.

Return on average stockholders’ equity was 12.94% and return on average assets was 1.65% for the nine months ended September 30, 2019, compared to a return on average stockholders’ equity of 13.56% and a return on average assets of 1.75% for the same period a year ago. The efficiency ratio for the nine months ended September 30, 2019, was 43.87% compared to 43.05% for the same period a year ago.

46

The following table sets forth information concerning average interest-earning assets, average interest-bearing liabilities, and the average yields and rates paid on those assets and liabilities for the nine months ended September 30, 2019, and 2018. Average outstanding amounts included in the table are daily averages.

	Interest-Earning Assets and Interest-Bearing Liabilities
	Nine months ended September 30,
	2019								2018
				Interest		Average						Interest		Average
	Average			Income/		Yield/			Average			Income/		Yield/
	Balance			Expense		Rate (1)(2)			Balance			Expense		Rate (1)(2)
	(Dollars in thousands)
Interest-earning assets:
Total loans and leases (1)	$	14,374,397		$	548,395		5.10	%	$	13,126,693		$	478,128		4.87	%
Investment securities		1,404,046			24,454		2.33			1,357,818			21,212		2.09
Federal Home Loan Bank stock		17,268			903		6.99			18,975			1,079		7.60
Interest-bearing deposits		245,971			4,289		2.33			281,883			3,667		1.74
Total interest-earning assets		16,041,682			578,041		4.82			14,785,369			504,086		4.56
Non-interest earning assets:
Cash and due from banks		198,835								209,456
Other non-earning assets		1,038,009								996,466
Total non-interest earning assets		1,236,844								1,205,922
Less: Allowance for loan losses		(123,854	)							(123,591	)
Deferred loan fees		(1,476	)							(3,117	)
Total assets	$	17,153,196							$	15,864,583
Interest-bearing liabilities:
Interest-bearing demand accounts	$	1,285,180		$	1,773		0.18	%	$	1,394,743		$	2,003		0.19	%
Money market accounts		1,933,898			14,754		1.02			2,230,365			11,674		0.70
Savings accounts		725,257			1,064		0.20			807,402			1,216		0.20
Time deposit		7,421,255			113,992		2.05			5,833,807			56,593		1.30
Total interest-bearing deposits		11,365,590			131,583		1.55			10,266,317			71,486		0.93
Securities sold under agreements to repurchase		—			—		—			66,300			1,446		2.92
Other borrowings		392,483			6,676		2.27			287,771			4,231		1.97
Long-term debt		172,567			6,087		4.72			194,136			6,465		4.45
Total interest-bearing liabilities		11,930,640			144,346		1.62			10,814,524			83,628		1.03
Non-interest bearing liabilities:
Demand deposits		2,790,367								2,796,831
Other liabilities		244,568								210,391
Total equity		2,187,621								2,042,837
Total liabilities and equity	$	17,153,196							$	15,864,583
Net interest spread							3.20	%							3.53	%
Net interest income				$	433,695							$	420,458
Net interest margin							3.61	%							3.80	%

(1)	Yields and amounts of interest earned include loan fees. Non-accrual loans are included in the average balance.
(2)	Calculated by dividing net interest income by average outstanding interest-earning assets.

47

The following table summarizes the changes in interest income and interest expense attributable to changes in volume and changes in interest rates:

Taxable-Equivalent Net Interest Income — Changes Due to Volume and Rate(1)
	Nine months ended September 30,
	2019-2018
	Increase/(Decrease) in
	Net Interest Income Due to:
	Changes in Volume			Changes in Rate			Total Change
	(In thousands)
Interest-earning assets:
Loans and leases	$	46,884		$	23,383		$	70,267
Investment securities		741			2,501			3,242
Federal Home Loan Bank stock		(93	)		(83	)		(176	)
Deposits with other banks		(285	)		907			622
Total changes in interest income		47,247			26,708			73,955
Interest-bearing liabilities:
Interest-bearing demand accounts		(153	)		(77	)		(230	)
Money market accounts		(914	)		3,994			3,080
Savings accounts		(121	)		(30	)		(151	)
Time deposits		18,257			39,141			57,398
Securities sold under agreements to repurchase		(723	)		(723	)		(1,446	)
Other borrowed funds		1,708			736			2,444
Long-term debt		(580	)		203			(377	)
Total changes in interest expense		17,474			43,244			60,718
Changes in net interest income	$	29,773		$	(16,536	)	$	13,237

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

Balance Sheet Review

Assets

Total assets were $18.0 billion as of September 30, 2019, an increase of $1.2 billion, or 7.1%, from $16.8 billion as of December 31, 2018, primarily due to loan growth and increases in investment securities offset in part by decreases in short-term investments.

Securities Available for Sale

Securities available-for-sale represented 7.9% of total assets as of September 30, 2019, compared to 7.4% of total assets as of December 31, 2018. Securities available-for-sale were $1.4 billion as of September 30, 2019, compared to $1.2 billion as of December 31, 2018.

48

The following tables set forth the amortized cost, gross unrealized gains, gross unrealized losses, and fair value of securities available-for-sale as of September 30, 2019, and December 31, 2018:

	September 30, 2019
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. government agency entities	$	92,477	$	750	$	273	$	92,954
U.S. government sponsored entities		350,000		—		2,301		347,699
Mortgage-backed securities		880,406		7,714		1,385		886,735
Collateralized mortgage obligations		683		—		18		665
Corporate debt securities		98,865		533		13		99,385
Total	$	1,422,431	$	8,997	$	3,990	$	1,427,438

	December 31, 2018
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	124,801	$	—	$	50	$	124,751
U.S. government agency entities		6,066		—		195		5,871
U.S. government sponsored entities		400,000		—		11,638		388,362
Mortgage-backed securities		670,874		960		15,089		656,745
Collateralized mortgage obligations		1,005		—		28		977
Corporate debt securities		64,985		818		—		65,803
Total	$	1,267,731	$	1,778	$	27,000	$	1,242,509

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

Securities available-for-sale having a carrying value of $20.8 million as of September 30, 2019, and $28.5 million as of December 31, 2018, were pledged to secure public deposits, other borrowings and treasury tax and loan.

Equity Securities

The adoption of ASU 2016-01 resulted in approximately $8.6 million being reclassified from accumulated other comprehensive income to retained earnings, representing an increase to retained earnings as of January 1, 2018. The Company recognized a net gain of $0.4 million for the three months ended September 30, 2019, due to the increase in fair value of equity investments with readily determinable fair values compared to a net gain of $0.4 million for the three months ended September 30, 2018. The Company recognized a net gain of $7.8 million for the nine months ended September 30, 2019, due to the increase in fair value of equity investments with readily determinable fair values compared to a net loss of $4.6 million for the nine months ended September 30, 2018. Equity securities were $32.9 million and $25.1 million as of September 30, 2019 and December 31, 2018, respectively.

49

Loans

Gross loans, including loans held for sale, were $14.8 billion at September 30, 2019, an increase of $769.5 million, or 5.5%, from $14.0 billion at December 31, 2018. The increase was primarily due to increases of $353.7 million, or 9.6%, in residential mortgage loans, including loans held for sale, $411.4 million, or 6.1%, in commercial mortgage loans, $65.3 million, or 26.1%, in home equity loans, and $12.4 million, or 2.1%, in real estate construction loans, offset by a decrease of $73.9 million, or 2.7%, in commercial loans. The loan balances and composition at September 30, 2019, compared to December 31, 2018 are set forth below:

	September 30, 2019			% of Gross Loans			December 31, 2018			% of Gross Loans			% Change
	(Dollars in thousands)
Commercial loans	$	2,668,061			18.1	%	$	2,741,965			19.6	%		(2.7%	)
Equity lines		315,252			2.1			249,967			1.8			26.1
Commercial mortgage loans		7,135,599			48.4			6,724,200			48.0			6.1
Residential mortgage loans		4,010,739			27.2			3,693,853			26.4			8.6
Real estate construction loans		593,816			4.0			581,454			4.2			2.1
Installment and other loans		5,087			0.0			4,349			0.0			17.0
Gross loans	$	14,728,554			100	%	$	13,995,788			100	%		5.2	%
Allowance for loan losses		(125,908	)					(122,391	)					2.9
Unamortized deferred loan fees		(1,081	)					(1,565	)					(30.9	)
Total loans, net	$	14,601,565					$	13,871,832						5.3	%
Loans held for sale	$	36,778					$	—						100.0	%

Non-performing Assets

Non-performing assets include loans past due 90 days or more and still accruing interest, non-accrual loans, and other real estate owned (“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.

The ratio of non-performing assets to total assets was 0.3% at September 30, 2019, and December 31, 2018. Total non-performing assets increased $0.9 million, or 1.5%, to $59.2 million at September 30, 2019, compared to $58.3 million at December 31, 2018, primarily due to an increase of $5.4 million, or 12.9%, in non-accrual loans, offset in part by a decrease of $1.3 million, or 10.6%, in other real estate owned and a decrease of $3.1 million, or 81.9%, in accruing loans past due 90 days or more.

As a percentage of gross loans, excluding loans held for sale, plus OREO, our non-performing assets was 0.40% as of September 30, 2019, compared to 0.42% as of December 31, 2018. The non-performing loan portfolio coverage ratio, defined as the allowance for credit losses to non-performing loans, decreased to 272.5% as of September 30, 2019, from 273.4% as of December 31, 2018.

50

The following table sets forth the changes in non-performing assets and troubled debt restructurings (“TDRs”) as of September 30, 2019, compared to December 31, 2018, and to September 30, 2018:

	September 30, 2019			December 31, 2018			% Change			September 30, 2018			% Change
	(Dollars in thousands)
Non-performing assets
Accruing loans past due 90 days or more	$	683		$	3,773			(82	)	$	6,681			(90	)
Non-accrual loans:
Construction loans		4,629			4,872			(5	)		4,922			(6	)
Commercial mortgage loans		12,330			10,611			16			13,172			(6	)
Commercial loans		22,970			18,805			22			17,118			34
Residential mortgage loans		7,271			7,527			(3	)		7,199			1
Total non-accrual loans	$	47,200		$	41,815			13		$	42,411			11
Total non-performing loans		47,883			45,588			5			49,092			(2	)
Other real estate owned		11,329			12,674			(11	)		8,741			30
Total non-performing assets	$	59,212		$	58,262			2		$	57,833			2
Accruing troubled debt restructurings	$	41,647		$	65,071			(36	)	$	74,598			(44	)
Allowance for loan losses	$	125,908		$	122,391			3		$	123,457			2
Total gross loans outstanding, at period-end (1)	$	14,728,554		$	13,995,788			5		$	13,647,646			8
Allowance for loan losses to non-performing loans, at period-end (2)		262.95	%		268.47	%					251.48	%
Allowance for loan losses to gross loans, at period-end (1)		0.85	%		0.87	%					0.90	%

(1)	Excludes loans held for sale at period-end.
(2)	Excludes non-accrual loans held for sale at period-end.

Non-accrual Loans

At September 30, 2019, total non-accrual loans were $47.2 million, an increase of $5.4 million, or 12.9%, from $41.8 million at December 31, 2018, and an increase of $4.8 million, or 11.3%, from $42.4 million at September 30, 2018. 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.

51

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

	September 30, 2019				December 31, 2018
	Real				Real
	Estate (1)		Commercial		Estate (1)		Commercial
	(In thousands)
Type of Collateral
Single/multi-family residence	$	7,774	$	7,105	$	11,366	$	8,016
Commercial real estate		16,456		—		11,452		—
Personal property (UCC)		—		15,865		192		10,789
Total	$	24,230	$	22,970	$	23,010	$	18,805

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

	September 30, 2019				December 31, 2018
	Real				Real
	Estate (1)		Commercial		Estate (1)		Commercial
	(In thousands)
Type of Business
Real estate development	$	16,751	$	—	$	9,826	$	—
Wholesale/Retail		657		9,008		5,784		14,078
Import/Export		—		8,962		—		4,727
Other		6,822		5,000		7,400		—
Total	$	24,230	$	22,970	$	23,010	$	18,805

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

Impaired Loans

We consider a loan to be impaired when it is 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.

52

As of September 30, 2019, recorded investment in impaired loans totaled $88.8 million and was comprised of non-accrual loans of $47.2 million and accruing TDRs of $41.6 million. As of December 31, 2018, recorded investment in impaired loans totaled $106.9 million and was comprised of non-accrual loans of $41.8 million and accruing TDRs of $65.1 million. For impaired loans, the amounts previously charged off represent 1.9% as of September 30, 2019, and 9.3% as of December 31, 2018, of the contractual balances for impaired loans. As of September 30, 2019, $24.2 million, or 51.3%, of the $47.2 million of non-accrual loans were secured by real estate compared to $23.0 million, or 55.0%, of the $41.8 million of non-accrual loans that were secured by real estate as of December 31, 2018. The Bank generally seeks to obtain current appraisals, sales contracts, or other available market price information intended to provide updated factors in evaluating potential loss.

As of September 30, 2019, $1.5 million of the $125.9 million allowance for loan losses was allocated for impaired loans and $124.4 million was allocated to the general allowance. As of December 31, 2018, $3.8 million of the $122.4 million allowance for loan losses was allocated for impaired loans and $118.6 million was allocated to the general allowance.

The allowance for loan losses to non-performing loans was 263.0% as of September 30, 2019, compared to 268.5% as of December 31, 2018, 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 sets forth impaired loans and the related allowance as of the dates indicated:

	September 30, 2019						December 31, 2018
	Unpaid Principal Balance		Recorded Investment		Allowance		Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance
Commercial loans	$	24,711	$	20,492	$	—	$	32,015	$	30,368	$	—
Real estate construction loans		5,776		4,629		—		5,776		4,873		—
Commercial mortgage loans		11,663		11,517		—		34,129		24,409		—
Residential mortgage loans and equity lines		6,808		6,770		—		5,685		5,665		—
Subtotal	$	48,958	$	43,408	$	—	$	77,605	$	65,315	$	—
With allocated allowance
Commercial loans	$	13,251	$	13,234	$	744	$	6,653	$	6,570	$	1,837
Commercial mortgage loans		26,356		26,288		536		27,099		27,063		877
Residential mortgage loans and equity lines		7,011		5,917		221		8,934		7,938		1,088
Subtotal	$	46,618	$	45,439	$	1,501	$	42,686	$	41,571	$	3,802
Total impaired loans	$	95,576	$	88,847	$	1,501	$	120,291	$	106,886	$	3,802

53

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 September 30, 2019, construction loans of $555.3 million were disbursed with pre-established interest reserves of $66.7 million, compared to $524.4 million with pre-established interest reserves of $65.2 million at December 31, 2018.  The balance for construction loans with interest reserves that have been extended was $146.3 million with pre-established interest reserves of $4.2 million at September 30, 2019, compared to $88.8 million with pre-established interest reserves of $3.9 million at December 31, 2018.  Land loans of $46.5 million were disbursed with pre-established interest reserves of $1.5 million at September 30, 2019, compared to $24.1 million of land loans disbursed with pre-established interest reserves of $770 thousand at December 31, 2018.  The balance for land loans with interest reserves that have been extended was $1.7 million at September 30, 2019 with pre-established interest reserves of $2 thousand, compared to $5.6 million in land loans with pre-established interest reserves of $71 thousand at December 31, 2018. 

At September 30, 2019 and December 31, 2018, the Bank had no loans on non-accrual status with available interest reserves.  At September 30, 2019 and December 31, 2018, $4.6 million and $4.9 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 September 30, 2019, or as of December 31, 2018.

54

The federal banking regulatory agencies issued final guidance on December 6, 2006, regarding risk management practices for financial institutions with high or increasing concentrations of commercial real estate (“CRE”) loans on their balance sheets. The regulatory guidance reiterates the need for sound internal risk management practices for those institutions that have experienced rapid growth in CRE lending, have notable exposure to specific types of CRE, or are approaching or exceeding the supervisory criteria used to evaluate the CRE concentration risk, but the guidance is not to be construed as a limit for CRE exposure. The supervisory criteria are: (1) total reported loans for construction, land development, and other land represent 100% of the institution’s total risk-based capital, and (2) 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 September 30, 2019, and 33% as of December 31, 2018. Total CRE loans represented 277% of total risk-based capital as of September 30, 2019, and 268% as of December 31, 2018 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 impaired and potential problem loans, and to permit periodic evaluation of impairment and the appropriate level of the allowance for credit losses in a timely manner.

In addition, the 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 $125.9 million and the allowance for off-balance sheet unfunded credit commitments was $4.6 million at September 30, 2019, which represented the amount believed by management to be appropriate to absorb credit losses inherent in the loan portfolio, including unfunded credit commitments. The $125.9 million allowance for loan losses at September 30, 2019, increased $3.5 million, or 2.9%, from $122.4 million at December 31, 2018. The allowance for loan losses represented 0.85% of period-end gross loans, excluding loans held for sale, and 263.0% of non-performing loans at September 30, 2019. The comparable ratios were 0.87% of period-end gross loans, excluding loans held for sale, and 268.5% of non-performing loans at December 31, 2018.

55

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

	Three months ended September 30,						Nine months ended September 30,
	2019			2018			2019			2018
	(In thousands)
Allowance for loan losses
Balance at beginning of period	$	122,651		$	121,899		$	122,391		$	123,279
Reversal for credit losses		(2,000	)		(1,500	)		(2,000	)		(4,500	)
Charge-offs:
Commercial loans		(3,356	)		(122	)		(6,300	)		(629	)
Real estate loans		—			—			—			(390	)
Total charge-offs		(3,356	)		(122	)		(6,300	)		(1,019	)
Recoveries:
Commercial loans		212			187			1,609			1,250
Construction loans		3,378			44			4,612			132
Real estate loans		5,023			2,949			5,596			4,315
Total recoveries		8,613			3,180			11,817			5,697
Balance at end of period	$	125,908		$	123,457		$	125,908		$	123,457
Reserve for off-balance sheet credit commitments
Balance at beginning of period	$	4,550		$	3,088		$	2,250		$	4,588
Provision for credit losses		—			—			2,300			(1,500	)
Balance at end of period	$	4,550		$	3,088		$	4,550		$	3,088
Average loans outstanding during the period (1)	$	14,654,644		$	13,434,018		$	14,371,633		$	13,126,693
Total gross loans outstanding, at period-end (1)	$	14,728,554		$	13,647,646		$	14,728,554		$	13,647,646
Total non-performing loans, at period-end (2)	$	47,883		$	49,092		$	47,883		$	49,092
Ratio of net (recoveries)/charge-offs to average loans outstanding during the period (1)		(0.14%	)		(0.09%	)		(0.05%	)		(0.05%	)
Provision for credit losses to average loans outstanding during the period (1)		(0.05%	)		(0.04%	)		0.00	%		(0.06%	)
Allowance for credit losses to non-performing loans, at period-end (2)		272.45	%		257.77	%		272.45	%		257.77	%
Allowance for credit losses to gross loans, at period-end (1)		0.89	%		0.93	%		0.89	%		0.93	%

(1)	Excludes loans held for sale.
(2)	Excludes non-accrual loans held for sale.

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:

	September 30, 2019					December 31, 2018
			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	$	58,549		19.0	%	$	54,978		19.1	%
Real estate construction loans		21,698		4.0			19,626		4.5
Commercial mortgage loans		33,467		48.0			33,487		49.5
Residential mortgage loans and equity lines		12,169		29.0			14,282		26.9
Installment and other loans		25		—			18		—
Total loans	$	125,908		100	%	$	122,391		100	%

The allowance allocated to commercial loans increased $3.5 million, or 6.5%, to $58.5 million at September 30, 2019, from $55.0 million at December 31, 2018. The increase is due primarily to an increase in the allowance for trade finance loans as a result of the additional tariffs imposed on imports from China during the nine months ended September 30, 2019.

The allowance allocated to real estate construction loans increased $2.1 million, or 10.7%, to $21.7 million at September 30, 2019 from $19.6 million at December 31, 2018. The increase is due primarily to an increase in non-residential construction loan volume during the nine months ended September 30, 2019.

The allowance allocated to commercial mortgage loans remained flat at $33.5 million at September 30, 2019, from December 31, 2018.

The allowance allocated for residential mortgage loans decreased by $2.1 million, or 14.7%, to $12.2 million as of September 30, 2019, from $14.3 million at December 31, 2018. The decrease is due primarily to decreases in the environmental reserve factors during the nine months ended September 30, 2019.

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Deposits

Total deposits were $14.7 billion at September 30, 2019, an increase of $955.9 million, or 7.0%, from $13.7 billion at December 31, 2018. The following table sets forth the deposit mix as of the dates indicated:

	September 30, 2019					December 31, 2018
	Amount		Percentage			Amount		Percentage
	(Dollars in thousands)
Deposits
Non-interest-bearing demand deposits	$	2,939,924		20.1	%	$	2,857,443		20.8	%
Interest bearing demand deposits		1,282,267		8.7			1,365,763		10.0
Money market deposits		2,095,328		14.3			2,027,404		14.8
Savings deposits		721,547		4.9			738,656		5.4
Time deposits		7,619,203		52.0			6,713,074		49.0
Total deposits	$	14,658,269		100.0	%	$	13,702,340		100.0	%

The following table sets forth the maturity distribution of time deposits at September 30, 2019:

	At September 30, 2019
	Time Deposits - under $100,000			Time Deposits - $100,000 and over			Total Time Deposits
	(Dollars in thousands)
Less than three months	$	354,460		$	1,224,622		$	1,579,082
Three to six months		796,141			1,871,436			2,667,577
Six to twelve months		795,014			1,850,702			2,645,716
Over one year		189,495			537,333			726,828
Total	$	2,135,110		$	5,484,093		$	7,619,203
Percent of total deposits		14.6	%		37.4	%		52.0	%

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 - As of September 30, 2019, over-night borrowings from the FHLB were $330 million at an average rate of 2.08%, compared to $200 million at an average rate of 2.56% as of December 31, 2018. Advances from the FHLB were $270 million at an average rate of 2.15% as of September 30, 2019 and $330 million at an average rate of 2.42% as of December 31, 2018. As of September 30, 2019, FHLB advances of $50 million will mature in December 2019, $75 million in May 2021, $50 million in June 2021, $75 million in July 2021, and $20 million in May 2023.

Other Borrowings - The Company owes a residual payable balance of $7.6 million to Bank SinoPac Co. related to the Company’s acquisition of SinoPac Bancorp, the parent of Far East National Bank. The remaining balance of $7.0 million, due in July 2020, has an interest rate of 3.60% (three-month LIBOR rate plus 150 basis points) as of September 30, 2019.

Long-term Debt - On October 12, 2017, the Bank entered into a term loan agreement of $75.0 million with U.S. Bank. The loan has a floating rate of one-month LIBOR plus 175 basis points. As of September 30, 2019, the term loan has a remaining balance of $41.3 million and an interest rate of 3.875% compared to 4.125% at December 31, 2018. The principal amount of the long-term debt from U.S. Bank is due and payable in consecutive quarterly installments of $4.7 million each on the last day of each calendar quarter commencing December 31, 2018, with the final installment due and payable on October 12, 2020. We used the U.S. Bank loan proceeds to fund a portion of our acquisition of SinoPac Bancorp.

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At September 30, 2019, Junior Subordinated Notes totaled $119.1 million with a weighted average interest rate of 4.29%, compared to $119.1 million with a weighted average rate of 4.96% at December 31, 2018. 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.

Off-Balance-Sheet Arrangements and Contractual Obligations

The following table summarizes the Company’s contractual obligations to make future payments as of September 30, 2019. 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	$	6,892,375	$	689,224	$	37,592	$	12	$	7,619,203
Advances from the Federal Home Loan Bank		380,000		200,000		20,000		—		600,000
Other borrowings		7,602		—		—		30,767		38,369
Long-term debt		18,750		22,500		—		119,136		160,386
Operating leases		2,326		16,217		11,857		9,532		39,932
Total contractual obligations and other commitments	$	7,301,053	$	927,941	$	69,449	$	159,447	$	8,457,890

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.

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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 $2.25 billion as of September 30, 2019, an increase of $124.0 million, from $2.12 billion as of December 31, 2018, primarily due to net income of $211.8 million, increases in other comprehensive income of $17.2 million, and proceeds from dividend reinvestment of $2.5 million, and partially offset by common stock cash dividends of $74.4 million and repurchases of the Company’s common stock of $36.3 million.

The following table summarizes changes in total equity for the nine months ended September 30, 2019:

	Nine months ended
	September 30, 2019
	(In thousands)
Net income	$	211,758
Proceeds from shares issued through the Dividend Reinvestment Plan		2,522
RSUs distributed		1
Shares withheld related to net share settlement of RSUs		(2,300	)
Stock issued to directors		749
Purchase of treasury stock		(36,301	)
Share-based compensation		4,848
Cash dividends paid to common stockholders		(74,422	)
Other comprehensive income		17,173
Net increase in total equity	$	124,028

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.

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The following tables set forth actual and required capital ratios as of September 30, 2019 and December 31, 2018 for Bancorp and the Bank under the Basel III Capital Rules. The Basel III Capital Rules became fully phased-in on January 1, 2019. The minimum required capital amounts presented as of December 31, 2018 include the minimum required capital levels applicable as of that date as well as the minimum required capital levels as of January 1, 2019 when the Basel III Capital Rules became fully phased-in. 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 2018 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
	(Dollars in thousands)
September 30, 2019
Common Equity Tier 1 to Risk-Weighted Assets
Cathay General Bancorp	$	1,846,200		12.41	$	1,041,619		7.00	$	967,218		6.50
Cathay Bank		1,949,520		13.13		1,039,708		7.00		965,443		6.50
Tier 1 Capital to Risk-Weighted Assets
Cathay General Bancorp		1,846,200		12.41		1,264,824		8.50		1,190,422		8.00
Cathay Bank		1,949,520		13.13		1,262,502		8.50		1,188,237		8.00
Total Capital to Risk-Weighted Assets
Cathay General Bancorp		2,092,158		14.06		1,562,429		10.50		1,488,028		10.00
Cathay Bank		2,079,978		14.00		1,559,561		10.50		1,485,297		10.00
Leverage Ratio
Cathay General Bancorp		1,846,200		10.81		683,193		4.00		853,991		5.00
Cathay Bank		1,949,520		11.43		682,062		4.00		852,578		5.00

	Actual				Minimum Capital Required - Basel III				Required to be Considered Well Capitalized
	Capital Amount		Ratio		Capital Amount		Ratio		Capital Amount		Ratio
	(Dollars in thousands)
December 31, 2018
Common Equity Tier 1 to Risk-Weighted Assets
Cathay General Bancorp	$	1,736,854		12.43	$	890,524		6.375	$	907,985		6.50
Cathay Bank		1,904,820		13.66		889,287		6.375		906,724		6.50
Tier 1 Capital to Risk-Weighted Assets
Cathay General Bancorp		1,736,854		12.43		1,100,059		7.875		1,117,520		8.00
Cathay Bank		1,904,820		13.66		1,098,531		7.875		1,115,968		8.00
Total Capital to Risk-Weighted Assets
Cathay General Bancorp		1,976,995		14.15		1,379,439		9.875		1,396,900		10.00
Cathay Bank		2,029,462		14.55		1,377,523		9.875		1,394,961		10.00
Leverage Ratio
Cathay General Bancorp		1,736,854		10.83		641,755		4.00		802,146		5.00
Cathay Bank		1,904,820		11.89		640,807		4.00		800,983		5.00

As of September 30, 2019, capital levels at Bancorp and the Bank exceed all capital adequacy requirements under the fully phased-in Basel III Capital Rules. Based on the ratios presented above, capital levels as of September 30, 2019 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 79,683,166 shares outstanding on September 3, 2019, for distribution to holders of our common stock on September 13, 2019, $0.31 per share on 79,850,454 shares outstanding on June 3, 2019, for distribution to holders of our common stock on June 13, 2019, and $0.31 per share on 80,537,962 shares outstanding on March 4, 2019, for distribution to holders of our common stock on March 14, 2019. The Company paid total cash dividends of $74.4 million in the first nine months of 2019.

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.

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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. The Bancorp pays a weighted average fixed interest rate of 2.61% and receives a variable interest rate of the three-month LIBOR at a weighted average rate of 2.37%. The notional amount of cash flow interest rate swaps was $119.1 million as of both September 30, 2019 and December 31, 2018, and their unrealized loss of $4.4 million and $241 thousand, net of taxes, was included in other comprehensive income as of September 30, 2019 and December 31, 2018, respectively. The amount of periodic net settlement of interest rate swaps included in interest expense was $78 thousand and $83 thousand for the three months ended September 30, 2019 and 2018, respectively. The amount of periodic net settlement of interest rate swaps included in interest expense was a net interest expense of $41 thousand and a net interest expense of $480 thousand for the nine months ended September 30, 2019 and 2018, respectively. As of September 30, 2019, and 2018, the ineffective portion of these interest rate swaps was not significant.

As of September 30, 2019, the Bank’s outstanding interest rate swap contracts had a notional amount of $584.0 million for various terms from three to ten years. The Bank entered into these interest rate swap contracts that are matched to individual 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. The Bank pays a weighted average fixed rate of 4.71% and receives a variable rate of the one-month LIBOR rate plus a weighted average spread of 261 basis points, or at a weighted average rate of 5.01%. As of September 30, 2019, and December 31, 2018, the notional amount of fair value interest rate swaps was $584.0 million and $613.4 million, respectively with net unrealized losses of $9.8 million and net unrealized gains of $6.6 million, respectively, included in other non-interest income. The amount of periodic net settlement of interest rate swaps increased interest income by $205 thousand and $96 thousand for the three months ended September 30, 2019 and 2018, respectively. The amount of periodic net settlement of interest rate swaps increased interest income by $1.4 million and decreased interest income by $132 thousand for the nine months ended September 30, 2019 and 2018, respectively. As of September 30, 2019, and 2018, the ineffective portion of these interest rate swaps was not significant.

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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 $9.1 million as of September 30, 2019 and $1.8 million as of December 31, 2018.

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. As of September 30, 2019, the notional amount of option contracts totaled $1.2 million with a net negative fair value of $6 thousand. As of September 30, 2019, spot, forward, and swap contracts in the total notional amount of $71.0 million had a positive fair value of $965 thousand. Spot, forward, and swap contracts in the total notional amount of $121.8 million had a negative fair value of $2.4 million at September 30, 2019. As of December 31, 2018, the notional amount of option contracts totaled $1.2 million with a net negative fair value of $6 thousand. As of December 31, 2018, spot, forward, and swap contracts in the total notional amount of $86.9 million had a positive fair value of $397 thousand. Spot, forward, and swap contracts in the total notional amount of $95.0 million had a negative fair value of $1.8 million at December 31, 2018.

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 September 30, 2019, our average monthly liquidity ratio (defined as net cash plus short-term and marketable securities to net deposits and short-term liabilities) was 12.7% compared to 12.0% as of December 31, 2018.

The Bank is a shareholder of the FHLB, which enables the Bank to have access to lower-cost FHLB financing when necessary. At September 30, 2019, the Bank had an approved credit line with the FHLB of San Francisco totaling $4.4 billion. Total advances from the FHLB of San Francisco were $600.0 million and standby letter of credits issued by the FHLB on the Company’s behalf were $368.1 million as of September 30, 2019. These borrowings bear fixed rates and are secured by the Bank’s loans. See Note 11 to the Condensed Consolidated Financial Statements. At September 30, 2019, the Bank pledged $22.7 million of its commercial loans to the Federal Reserve Bank’s Discount Window under the Borrower-in-Custody program. The Bank had borrowing capacity of $24.3 million from the Federal Reserve Bank Discount Window at September 30, 2019.

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Liquidity can also be provided through the sale of liquid assets, which consist of federal funds sold, securities purchased under agreements to resell, and securities available-for-sale. At September 30, 2019, investment securities totaled $1.4 billion, with $20.8 million pledged as collateral for borrowings and other commitments. The remaining $1.4 billion was available as additional liquidity or to be pledged as collateral for additional borrowings.

Approximately 90% of our time deposits mature within one year or less as of September 30, 2019. 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. Management believes all the above-mentioned sources will provide adequate liquidity during the next twelve months for the Bank to meet its operating needs.

The business activities of Bancorp consist primarily of the operation of the Bank and limited activities in other investments. The Bank paid dividends to Bancorp totaling $176.5 million and $94.8 million during the first nine months of 2019 and 2018, respectively.

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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 September 30, 2019:

	Net Interest		Market Value
	Income		of Equity
Change in Interest Rate (Basis Points)	Volatility (1)		Volatility (2)
+200		7.2		1.1
+100		3.6		1.0
-100		-6.5		-0.2
-200		-17.0		3.8

(1)	The percentage change in this column represents net interest income of the Company for 12 months in a stable interest rate environment versus the net interest income in the various rate scenarios.
(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.

66

Item 4. CONTROLS AND PROCEDURES.

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

There has not been any change in our internal control over financial reporting that occurred during the third quarter of 2019 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 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.

67

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, 2018. 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, 2018, 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.

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
Month #1 (July 1, 2019 - July 31, 2019)		0	$	0		0	$	28,286,005
Month #2 (August 1, 2019 - August 31, 2019)		135,000	$	34.76		135,000	$	23,593,308
Month #3 (September 1, 2019 - September 30, 2019)		0	$	0		0	$	23,593,308
Total		135,000	$	34.76		135,000	$	23,593,308

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.”

68

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. 

69

SIGNATURES

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

	Cathay General Bancorp
	(Registrant)
Date: November 8, 2019
	/s/ Pin Tai
	Pin Tai
	Chief Executive Officer
Date: November 8, 2019
	/s/ Heng W. Chen
	Heng W. Chen
	Executive Vice President and
	Chief Financial Officer

70

EX-31.1

Exhibit 31.1

I, Pin Tai, 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/ Pin Tai                                              

Pin Tai

Chief Executive Officer 

Date: November 8, 2019

EX-31.2

Exhibit 31.2

I, Heng W. Chen, certify that:

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

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

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

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

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

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

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

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

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

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

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

/s/ Heng W. Chen                                  

Heng W. Chen

Executive Vice President and

Chief Financial Officer

Date: November 8, 2019

EX-32.1

Exhibit 32.1

CEO CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Cathay General Bancorp (the “Company”) on Form 10-Q for the period ended September 30, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Pin Tai, 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/ Pin Tai                                                                   

Pin Tai 

Chief Executive Officer 

Date: November 8, 2019

EX-32.2

Exhibit 32.2

CFO CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Cathay General Bancorp (the “Company”) on Form 10-Q for the period ended September 30, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Heng W. Chen, chief financial officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

/s/ Heng W. Chen                                                       

Heng W. Chen

Executive Vice President and

Chief Financial Officer

Date: November 8, 2019

XML

Note 5 - Earnings Per Share - Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net income	$ 72,835	$ 69,757	$ 211,758	$ 207,237
Weighted-average shares:
Basic weighted-average number of common shares outstanding (in shares)	79,736,814	81,311,899	80,096,855	81,224,555
Diluted (in shares)	79,993,830	81,855,271	80,330,616	81,770,874
Average stock options and restricted stock units with anti-dilutive effect (in shares)	32,321	1,854	47,690	15,625
Basic (in dollars per share)	$ 0.91	$ 0.86	$ 2.64	$ 2.55
Diluted (in dollars per share)	$ 0.91	$ 0.85	$ 2.64	$ 2.53
Warrant [Member]
Weighted-average shares:
Dilutive effect of weighted-average outstanding common share equivalents (in shares)	0	234,105	0	268,988
Restricted Stock Units (RSUs) [Member]
Weighted-average shares:
Dilutive effect of weighted-average outstanding common share equivalents (in shares)	257,016	309,267	233,761	277,331

XML

Note 7 - Investment Securities - Investment Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Investment securities available for sale, amortized cost	$ 1,422,431	$ 1,267,731
Investment securities available for sale, gross unrealized gains	8,997	1,778
Investment securities available for sale, gross unrealized losses	3,990	27,000
Investment securities available for sale, Estimated fair value	1,427,438	1,242,509
US Government Corporations and Agencies Securities [Member]
Investment securities available for sale, amortized cost	92,477	6,066
Investment securities available for sale, gross unrealized gains	750	0
Investment securities available for sale, gross unrealized losses	273	195
Investment securities available for sale, Estimated fair value	92,954	5,871
US Treasury Securities [Member]
Investment securities available for sale, amortized cost		124,801
Investment securities available for sale, gross unrealized gains		0
Investment securities available for sale, gross unrealized losses		50
Investment securities available for sale, Estimated fair value		124,751
US Government-sponsored Enterprises Debt Securities [Member]
Investment securities available for sale, amortized cost	350,000	400,000
Investment securities available for sale, gross unrealized gains	0	0
Investment securities available for sale, gross unrealized losses	2,301	11,638
Investment securities available for sale, Estimated fair value	347,699	388,362
Collateralized Mortgage Backed Securities [Member]
Investment securities available for sale, amortized cost	880,406	670,874
Investment securities available for sale, gross unrealized gains	7,714	960
Investment securities available for sale, gross unrealized losses	1,385	15,089
Investment securities available for sale, Estimated fair value	886,735	656,745
Collateralized Mortgage Obligations [Member]
Investment securities available for sale, amortized cost	683	1,005
Investment securities available for sale, gross unrealized gains	0	0
Investment securities available for sale, gross unrealized losses	18	28
Investment securities available for sale, Estimated fair value	665	977
Corporate Debt Securities [Member]
Investment securities available for sale, amortized cost	98,865	64,985
Investment securities available for sale, gross unrealized gains	533	818
Investment securities available for sale, gross unrealized losses	13	0
Investment securities available for sale, Estimated fair value	$ 99,385	$ 65,803

XML

Note 11 - Borrowed Funds (Details Textual) - USD ($) $ in Thousands		9 Months Ended
	Oct. 12, 2017	Sep. 30, 2019	Dec. 31, 2018
Advances from Federal Home Loan Banks, Total		$ 600,000	$ 530,000
Long-term Debt, Total		160,386	189,448
Junior Subordinated Notes, Noncurrent		$ 119,100	$ 119,100
Junior Subordinated Debt [Member]
Debt Instrument, Interest Rate, Stated Percentage		4.29%	4.96%
Debt Instrument, Term		30 years
SinoPac Bancorp [Member]
Business Combination, Deferred Payments		$ 7,600
Debt Instrument, Face Amount		$ 7,000
Debt Instrument, Interest Rate, Effective Percentage		3.60%
SinoPac Bancorp [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate		1.50%
Mature in December 2019 [Member]
Advances from Federal Home Loan Banks, Total		$ 50,000
Mature in May 2021 [Member]
Advances from Federal Home Loan Banks, Total		75,000
Mature in June 2021 [Member]
Advances from Federal Home Loan Banks, Total		50,000
Mature in July 2021 [Member]
Advances from Federal Home Loan Banks, Total		75,000
Mature in May 2023 [Member]
Advances from Federal Home Loan Banks, Total		$ 20,000
Term Loan [Member] | US Bank [Member]
Debt Instrument, Face Amount	$ 75,000
Debt Instrument, Interest Rate, Effective Percentage		3.875%	4.125%
Long-term Debt, Total		$ 41,300
Debt Instrument, Periodic Payment, Principal	$ 4,700
Term Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] | US Bank [Member]
Debt Instrument, Basis Spread on Variable Rate	1.75%
Over-night Borrowings [Member]
Advances from Federal Home Loan Banks, Total		$ 330,000	$ 200,000
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate		2.08%	2.56%
Non Overnight Borrowings [Member]
Advances from Federal Home Loan Banks, Total		$ 270,000	$ 330,000
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate		2.15%	2.42%

XML

Note 9 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Qualified Affordable Housing and Alternative Energy Partnerships [Member]
Other Commitment, Total	$ 131.4	$ 113.0

XML

Note 13 - Fair Value Measurements - Financial Assets and Liabilities Measured on a Non-recurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended				12 Months Ended
	Sep. 30, 2019		Sep. 30, 2018		Sep. 30, 2019		Sep. 30, 2018		Dec. 31, 2018		Dec. 31, 2017
Assets, fair value disclosure	$ 1,462,993				$ 1,462,993				$ 1,275,998
Total Losses	203		$ 62		715		$ 326		(289)		$ 874
Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	94,356				94,356				53,297
Fair Value, Inputs, Level 1 [Member]
Assets, fair value disclosure	32,862				32,862				149,849
Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	0				0				0
Fair Value, Inputs, Level 2 [Member]
Assets, fair value disclosure	1,430,100				1,430,100				1,125,965
Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	7,625				7,625				9,023
Fair Value, Inputs, Level 3 [Member]
Assets, fair value disclosure	31				31				184
Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	86,731				86,731				44,274
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Total Losses	0		0		0		0		0		0
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	5,696				5,696				6,850
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	0				0				0
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	0				0				0
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	5,696				5,696				6,850
Impaired Loans [Member]
Total Losses	0		0		0		0		0		25
Impaired Loans [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	43,939				43,939				37,769
Impaired Loans [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	0				0				0
Impaired Loans [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	0				0				0
Impaired Loans [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	43,939				43,939				37,769
Impaired Loans [Member] | Commercial Portfolio Segment [Member]
Total Losses	0		0		0		0		0		25
Impaired Loans [Member] | Commercial Portfolio Segment [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	12,491				12,491				4,733
Impaired Loans [Member] | Commercial Portfolio Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	0				0				0
Impaired Loans [Member] | Commercial Portfolio Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	0				0				0
Impaired Loans [Member] | Commercial Portfolio Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	12,491				12,491				4,733
Impaired Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Total Losses	0		0		0		0		0		0
Impaired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	25,752				25,752				26,186
Impaired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	0				0				0
Impaired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	0				0				0
Impaired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	25,752				25,752				26,186
Loans Held-for-sale [Member]
Total Losses	120		0		120		0
Loans Held-for-sale [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	36,778				36,778
Loans Held-for-sale [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	0				0
Loans Held-for-sale [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	0				0
Loans Held-for-sale [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	36,778				36,778
Other Real Estate Owned [Member]
Total Losses	0	[1]	0	[1]	494	[1]	0	[1]	(619)	[2]	457	[2]
Other Real Estate Owned [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	11,968	[1]			11,968	[1]			13,366	[2]
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	0	[1]			0	[1]			0	[2]
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	7,625	[1]			7,625	[1]			9,023	[2]
Other Real Estate Owned [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	4,343	[1]			4,343	[1]			4,343	[2]
Investments in Venture Capital [Member]
Total Losses	83		$ 62		101		$ 326		330		$ 392
Investments in Venture Capital [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	1,671				1,671				2,162
Investments in Venture Capital [Member] | Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	0				0				0
Investments in Venture Capital [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	0				0				0
Investments in Venture Capital [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	$ 1,671				$ 1,671				$ 2,162

[1] Other real estate owned balance of $11.3 million in the condensed consolidated balance sheet is net of estimated disposal costs.

[2] Other real estate owned balance of $12.7 million in the Consolidated Balance Sheets is net of estimated disposal costs.

XML

Note 1 - Business

9 Months Ended

Sep. 30, 2019

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, Asia Realty Corp. and GBC Venture Capital, Inc. Bancorp also owns 100% of the common stock of five statutory business trusts created for the purpose of issuing capital securities. The Bank was founded in 1962 and offers a wide range of financial services. As of September 30, 2019, 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, onein 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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Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Interest and Dividend Income
Loans receivable, including loan fees	$ 187,827	$ 168,179	$ 548,395	$ 478,128
Investment securities	8,687	7,546	24,454	21,212
Federal Home Loan Bank stock	301	303	903	1,079
Deposits with banks	1,016	838	4,289	3,667
Total interest and dividend income	197,831	176,866	578,041	504,086
Interest Expense
Time deposits	40,378	22,135	113,992	56,593
Other deposits	6,626	5,474	17,591	14,892
Securities sold under agreements to repurchase	0	124	0	1,446
Advances from Federal Home Loan Bank	1,661	1,430	5,976	3,286
Long-term debt	1,948	2,220	6,087	6,465
Deferred payments from acquisition	93	399	502	946
Short-term borrowings	125	0	198	0
Total interest expense	50,831	31,782	144,346	83,628
Net interest income before reversal for credit losses	147,000	145,084	433,695	420,458
Reversal for credit losses	(2,000)	(1,500)	(2,000)	(4,500)
Net interest income after reversal for credit losses	149,000	146,584	435,695	424,958
Non-Interest Income
Net gains/(losses) from equity securities	364	391	7,764	(4,580)
Securities losses, net	(121)	(14)	(108)	(14)
Letters of credit commissions	1,602	1,459	4,733	4,110
Depository service fees	7,586	6,931	22,791	20,813
Gain from acquisition	0	0	0	340
Other operating income	7,424	4,780	20,097	17,151
Total non-interest income	10,388	7,835	36,103	20,912
Non-Interest Expense
Salaries and employee benefits	31,915	30,514	97,200	91,491
Occupancy expense	5,579	5,186	16,617	15,808
Computer and equipment expense	2,741	2,772	8,453	8,477
Professional services expense	5,952	5,286	17,209	17,055
Data processing service expense	3,246	3,080	9,737	9,450
FDIC and regulatory assessments	2,582	2,555	7,190	6,732
Marketing expense	2,436	1,263	5,556	5,521
Other real estate owned expense/(income)	190	(21)	839	(236)
Amortization of investments in low income housing and alternative energy partnerships	6,997	11,115	26,909	21,989
Amortization of core deposit intangibles	172	190	515	704
Acquisition and integration costs	0	179	0	2,083
Other operating expense	3,770	3,845	15,871	10,949
Total non-interest expense	65,580	65,964	206,096	190,023
Income before income tax expense	93,808	88,455	265,702	255,847
Income tax expense	20,973	18,698	53,944	48,610
Net income	72,835	69,757	211,758	207,237
Other Comprehensive Income, net of tax
Unrealized holding gains/(losses) on securities available-for-sale	1,233	(2,538)	21,216	(16,803)
Unrealized holding (losses)/gains on cash flow hedge derivatives	(793)	1,666	(4,119)	4,595
Less: reclassification adjustments for losses included in net income	(85)	(10)	(76)	(10)
Total other comprehensive gain/(loss), net of tax	525	(862)	17,173	(12,198)
Total other comprehensive income	$ 73,360	$ 68,895	$ 228,931	$ 195,039
Net Income Per Common Share:
Basic (in dollars per share)	$ 0.91	$ 0.86	$ 2.64	$ 2.55
Diluted (in dollars per share)	0.91	0.85	2.64	2.53
Cash dividends (in dollars per share)	$ 0.31	$ 0.24	$ 0.93	$ 0.72
Average Common Shares Outstanding:
Basic (in shares)	79,736,814	81,311,899	80,096,855	81,224,555
Diluted (in shares)	79,993,830	81,855,271	80,330,616	81,770,874
Deposit Account [Member]
Non-Interest Income
Depository service fees	$ 1,119	$ 1,219	$ 3,617	$ 3,905

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Note 20 - Stock Repurchase Program

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Treasury Stock [Text Block]

20. Stock Repurchase Program

In May 2019, the Company completed the October 2018 stock repurchase program with the repurchase of 1,182,060 shares in total for approximately $45.0 million at an average cost of $38.07 per share of the Company’s common stock.

Thereafter, on May 7, 2019, the Company announced that its Board of Directors adopted a new stock repurchase program to buy back up to $50.0 million of the Company’s common stock. As of September 30, 2019, the Company repurchased 741,934 shares for approximately $26.4 million, at an average cost of $35.59 per share, and may repurchase up to an additional $23.6 million of its common stock under the May 2019 stock repurchase program.

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Note 16 - Financial Derivatives

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Derivative Instruments and Hedging Activities Disclosure [Text Block]

16. 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.

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. The Bancorp pays a weighted average fixed interest rate of 2.61% and receives a variable interest rate of the three-month LIBOR at a weighted average rate of 2.37%. The notional amount of cash flow interest rate swaps was $119.1 million as of both September 30, 2019 and December 31, 2018, and their unrealized loss of $4.4 million and $241 thousand, net of taxes, was included in other comprehensive income as of September 30, 2019 and December 31, 2018, respectively. The amount of periodic net settlement of interest rate swaps included in interest expense was $78 thousand and $83 thousand for the three months ended September 30, 2019 and 2018, respectively. The amount of periodic net settlement of interest rate swaps included in interest expense was a net interest expense of $41 thousand and a net interest expense of $480 thousand for the nine months ended September 30, 2019 and 2018, respectively. As of September 30, 2019, and 2018, the ineffective portion of these interest rate swaps was not significant.

As of September 30, 2019, the Bank’s outstanding interest rate swap contracts had a notional amount of $584.0 million for various terms from three to ten years. The Bank entered into these interest rate swap contracts that are matched to individual 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. The Bank pays a weighted average fixed rate of 4.71% and receives a variable rate of the one-month LIBOR rate plus a weighted average spread of 261 basis points, or at a weighted average rate of 5.01%. As of September 30, 2019, and December 31, 2018, the notional amount of fair value interest rate swaps was $584.0 million and $613.4 million, respectively, with net unrealized losses of $9.8 million and net unrealized gains of $6.6 million, respectively, included in other non-interest income. The amount of periodic net settlement of interest rate swaps increased interest income by $205 thousand and $96 thousand for the three months ended September 30, 2019 and 2018, respectively. The amount of periodic net settlement of interest rate swaps increased interest income by $1.4 million and decreased interest income by $132 thousand for the nine months ended September 30, 2019 and 2018, respectively. As of September 30, 2019, and 2018, the ineffective portion of these interest rate swaps was not significant.

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 $9.1 million as of September 30, 2019 and $1.8 million as of December 31, 2018.

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. As of September 30, 2019, the notional amount of option contracts totaled $1.2 million with a net negative fair value of $6 thousand. As of September 30, 2019, spot, forward, and swap contracts in the total notional amount of $71.0 million had a positive fair value of $965 thousand. Spot, forward, and swap contracts in the total notional amount of $121.8 million had a negative fair value of $2.4 million at September 30, 2019. As of December 31, 2018, the notional amount of option contracts totaled $1.2 million with a net negative fair value of $6 thousand. As of December 31, 2018, spot, forward, and swap contracts in the total notional amount of $86.9 million had a positive fair value of $397 thousand. Spot, forward, and swap contracts in the total notional amount of $95.0 million had a negative fair value of $1.8 million at December 31, 2018.

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Note 8 - Loans

9 Months Ended

Sep. 30, 2019

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 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 September 30, 2019, and December 31, 2018, were as follows:

	September 30, 2019			December 31, 2018
	(In thousands)
Commercial loans	$	2,668,061		$	2,741,965
Residential mortgage loans		4,010,739			3,693,853
Commercial mortgage loans		7,135,599			6,724,200
Equity lines		315,252			249,967
Real estate construction loans		593,816			581,454
Installment and other loans		5,087			4,349
Gross loans	$	14,728,554		$	13,995,788
Allowance for loan losses		(125,908	)		(122,391	)
Unamortized deferred loan fees, net		(1,081	)		(1,565	)
Total loans, net	$	14,601,565		$	13,871,832
Loans held for sale	$	36,778		$	—

As of September 30, 2019, recorded investment in impaired loans totaled $88.8 million and was comprised of non-accrual loans of $47.2 million and accruing troubled debt restructured loans (“TDRs”) of $41.6 million. As of December 31, 2018, recorded investment in impaired loans totaled $106.9 million and was comprised of non-accrual loans of $41.8 million and accruing TDRs of $65.1 million. For impaired loans, the amounts previously charged off represent 1.9% and 9.3% of the contractual balances for impaired loans as of September 30, 2019 and December 31, 2018, respectively.

The following table presents the average recorded investment and interest income recognized on impaired loans for the periods indicated:

	Three Months Ended September 30,								Nine Months Ended September 30,
	2019				2018				2019				2018
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	38,659	$	208	$	48,772	$	461	$	41,132	$	705	$	46,920	$	1,152
Real estate construction loans		4,662		—		5,980		—		4,734		—		7,490		—
Commercial mortgage loans		40,699		332		55,375		576		51,323		1,034		59,314		1,757
Residential mortgage loans and equity lines		13,133		78		13,724		108		13,126		237		14,032		279
Total impaired loans	$	97,153	$	618	$	123,851	$	1,145	$	110,315	$	1,976	$	127,756	$	3,188

The following table presents impaired loans and the related allowance for loan losses as of the dates indicated:

	September 30, 2019						December 31, 2018
	Unpaid Principal Balance		Recorded Investment		Allowance		Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance
Commercial loans	$	24,711	$	20,492	$	—	$	32,015	$	30,368	$	—
Real estate construction loans		5,776		4,629		—		5,776		4,873		—
Commercial mortgage loans		11,663		11,517		—		34,129		24,409		—
Residential mortgage loans and equity lines		6,808		6,770		—		5,685		5,665		—
Subtotal	$	48,958	$	43,408	$	—	$	77,605	$	65,315	$	—
With allocated allowance
Commercial loans	$	13,251	$	13,234	$	744	$	6,653	$	6,570	$	1,837
Commercial mortgage loans		26,356		26,288		536		27,099		27,063		877
Residential mortgage loans and equity lines		7,011		5,917		221		8,934		7,938		1,088
Subtotal	$	46,618	$	45,439	$	1,501	$	42,686	$	41,571	$	3,802
Total impaired loans	$	95,576	$	88,847	$	1,501	$	120,291	$	106,886	$	3,802

The following tables present the aging of the loan portfolio by type as of September 30, 2019, and as of December 31, 2018:

	September 30, 2019
	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	$	29,905	$	8,736	$	—	$	22,970	$	61,611	$	2,606,450	$	2,668,061
Real estate construction loans		—		—		—		4,629		4,629		589,187		593,816
Commercial mortgage loans		2,926		3,687		683		12,330		19,626		7,115,973		7,135,599
Residential mortgage loans and equity lines		286		—		—		7,271		7,557		4,318,434		4,325,991
Installment and other loans		—		—		—		—		—		5,087		5,087
Total loans	$	33,117	$	12,423	$	683	$	47,200	$	93,423	$	14,635,131	$	14,728,554

	December 31, 2018
	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	$	25,494	$	2,454	$	514	$	18,805	$	47,267	$	2,694,698	$	2,741,965
Real estate construction loans		—		3,156		—		4,872		8,028		573,426		581,454
Commercial mortgage loans		10,797		8,545		3,259		10,611		33,212		6,690,988		6,724,200
Residential mortgage loans and equity lines		9,687		336		—		7,527		17,550		3,926,270		3,943,820
Installment and other loans		—		—		—		—		—		4,349		4,349
Total loans	$	45,978	$	14,491	$	3,773	$	41,815	$	106,057	$	13,889,731	$	13,995,788

The determination of the amount of the allowance for loan losses for impaired loans is based on management’s current judgment about the credit quality of the loan portfolio and takes into consideration known relevant internal and external factors that affect collectability when determining the appropriate level for the allowance for loan losses. The nature of the process by which the Bank determines the appropriate allowance for loan losses requires the exercise of considerable judgment. This allowance evaluation process is also applied to TDRs since they are considered to be impaired loans. The allowance for loan losses and the reserve for off-balance sheet credit commitments are significant estimates that can and do change based on management’s process in analyzing the loan portfolio and on management’s assumptions about specific borrowers, underlying collateral, and applicable economic, market and environmental conditions, among other factors.

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 that causes significant delay in payment.

TDRs on accrual status are comprised of the 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 before being 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.

As of September 30, 2019, accruing TDRs were $41.6 million and non-accrual TDRs were $19.8 million compared to accruing TDRs of $65.1 million and non-accrual TDRs of $24.2 million as of December 31, 2018. The Company allocated specific reserves of $1.2 million to accruing TDRs and $141 thousand to non-accrual TDRs as of September 30, 2019, and $1.5 million to accruing TDRs and $826 thousand to non-accrual TDRs as of December 31, 2018. The following tables set forth TDRs that were modified during the three and nine months ended September 30, 2019 and 2018, their specific reserves as of September 30, 2019 and 2018, and charge-offs for the three and nine months ended September 30, 2019 and 2018:

	Three Months Ended September 30, 2019								September 30, 2019
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		3	$	7,585	$	6,165	$	—	$	89
Total		3	$	7,585	$	6,165	$	—	$	89

	Three Months Ended September 30, 2018								September 30, 2018
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		3	$	4,621	$	4,621	$	—	$	2,467
Commercial mortgage loans		1		339		339		—		—
Residential mortgage loans and equity lines		2		413		413		—		16
Total		6	$	5,373	$	5,373	$	—	$	2,483

	Nine Months Ended September 30, 2019								September 30, 2019
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		23	$	25,937	$	10,814	$	—	$	125
Total		23	$	25,937	$	10,814	$	—	$	125

	Nine Months Ended September 30, 2018								September 30, 2018
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		21	$	12,212	$	12,212	$	—	$	2,493
Commercial mortgage loans		7		14,626		14,626		—		119
Residential mortgage loans and equity lines		4		1,213		1,213		—		24
Total		32	$	28,051	$	28,051	$	—	$	2,636

Modifications of the loan terms in the nine months ended September 30, 2019 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 September 30, 2019, 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.  A summary of TDRs by type of concession and by type of loan, as of September 30, 2019, and December 31, 2018, is set forth in the table below:

	September 30, 2019
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	10,756	$	—	$	—	$	10,756
Commercial mortgage loans		782		5,757		18,936		25,475
Residential mortgage loans		2,931		319		2,166		5,416
Total accruing TDRs	$	14,469	$	6,076	$	21,102	$	41,647

	September 30, 2019
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	18,057	$	—	$	—	$	18,057
Residential mortgage loans		1,629		—		101		1,730
Total non-accrual TDRs	$	19,686	$	—	$	101	$	19,787

	December 31, 2018
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	18,135	$	—	$	—	$	18,135
Commercial mortgage loans		14,022		7,420		19,418		40,860
Residential mortgage loans		3,353		327		2,396		6,076
Total accruing TDRs	$	35,510	$	7,747	$	21,814	$	65,071

	December 31, 2018
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	13,771	$	—	$	—	$	13,771
Commercial mortgage loans		3,682		—		4,884		8,566
Residential mortgage loans		1,741		—		111		1,852
Total non-accrual TDRs	$	19,194	$	—	$	4,995	$	24,189

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

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
	(In thousands)
Accruing TDRs
Beginning balance	$	64,898		$	84,487		$	65,071		$	68,566
New restructurings		240			2,589			15,432			25,036
Restructured loans restored to accrual status		—			577			—			2,895
Charge-offs		(1,341	)		—			(1,341	)		—
Payments		(22,150	)		(13,055	)		(36,219	)		(19,801	)
Restructured loans placed on non-accrual status		—			—			(1,296	)		(2,098	)
Ending balance	$	41,647		$	74,598		$	41,647		$	74,598

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
	(In thousands)
Non-accrual TDRs
Beginning balance	$	22,457		$	30,347		$	24,189		$	33,415
New restructurings		7,345			2,784			10,505			3,015
Restructured loans placed on non-accrual status		—			—			1,296			2,098
Charge-offs		(2,389	)		—			(3,607	)		(161	)
Payments		(7,626	)		(4,836	)		(12,596	)		(7,754	)
Restructured loans restored to accrual status		—			(577	)		—			(2,895	)
Ending balance	$	19,787		$	27,718		$	19,787		$	27,718

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 September 30, 2019.

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

As of September 30, 2019, there were no commitments to lend additional funds to those borrowers whose loans had been restructured, were considered impaired, or were on non-accrual status.

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. 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.

The following tables set forth the loan portfolio by risk rating as of September 30, 2019 and December 31, 2018:

	September 30, 2019
	Pass/Watch		Special Mention		Substandard		Doubtful		Total
	(In thousands)
Commercial loans	$	2,432,623	$	151,265	$	84,173	$	—	$	2,668,061
Real estate construction loans		514,725		74,462		4,629		—		593,816
Commercial mortgage loans		6,824,241		233,155		78,203		—		7,135,599
Residential mortgage loans and equity lines		4,317,793		927		7,271		—		4,325,991
Installment and other loans		5,087		—		—		—		5,087
Total gross loans	$	14,094,469	$	459,809	$	174,276	$	—	$	14,728,554

	December 31, 2018
	Pass/Watch		Special Mention		Substandard		Doubtful		Total
	(In thousands)
Commercial loans	$	2,603,901	$	87,987	$	50,077	$	—	$	2,741,965
Real estate construction loans		514,406		62,175		4,873		—		581,454
Commercial mortgage loans		6,337,368		304,791		82,041		—		6,724,200
Residential mortgage loans and equity lines		3,934,762		—		9,058		—		3,943,820
Installment and other loans		4,349		—		—		—		4,349
Total gross loans	$	13,394,786	$	454,953	$	146,049	$	—	$	13,995,788

The following tables set forth the balance in the allowance for loan losses by portfolio segment and based on impairment method as of September 30, 2019 and December 31, 2018:

	September 30, 2019
			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	$	744	$	—	$	536	$	221	$	—	$	1,501
Balance	$	33,726	$	4,629	$	37,805	$	12,687	$	—	$	88,847
Loans collectively evaluated for impairment
Allowance	$	57,805	$	21,698	$	32,931	$	11,948	$	25	$	124,407
Balance	$	2,634,335	$	589,187	$	7,097,794	$	4,313,304	$	5,087	$	14,639,707
Total allowance	$	58,549	$	21,698	$	33,467	$	12,169	$	25	$	125,908
Total balance	$	2,668,061	$	593,816	$	7,135,599	$	4,325,991	$	5,087	$	14,728,554

	December 31, 2018
			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	$	1,837	$	—	$	877	$	1,088	$	—	$	3,802
Balance	$	36,940	$	4,873	$	51,471	$	13,602	$	—	$	106,886
Loans collectively evaluated for impairment
Allowance	$	53,141	$	19,626	$	32,610	$	13,194	$	18	$	118,589
Balance	$	2,705,025	$	576,581	$	6,672,729	$	3,930,218	$	4,349	$	13,888,902
Total allowance	$	54,978	$	19,626	$	33,487	$	14,282	$	18	$	122,391
Total balance	$	2,741,965	$	581,454	$	6,724,200	$	3,943,820	$	4,349	$	13,995,788

The following tables set forth activity in the allowance for loan losses by portfolio segment for the three and nine months ended September 30, 2019, and September 30, 2018. Allocation of a portion of the allowance to one category of loans does not preclude its availability to absorb losses in other categories.

Three months ended September 30, 2019 and 2018

										Residential
				Real Estate			Commercial			Mortgage Loans			Installment
	Commercial			Construction			Mortgage			and			and Other
	Loans			Loans			Loans			Equity Lines			Loans			Total
	(In thousands)
June 30, 2019 Ending Balance	$	54,293		$	21,010		$	33,154		$	14,164		$	30		$	122,651
Provision/(reversal) for possible credit losses		7,400			(2,690	)		(4,648	)		(2,057	)		(5	)		(2,000	)
Charge-offs		(3,356	)		—			—			—			—			(3,356	)
Recoveries		212			3,378			4,961			62			—			8,613
Net (charge-offs)/recoveries		(3,144	)		3,378			4,961			62			—			5,257
September 30, 2019 Ending Balance	$	58,549		$	21,698		$	33,467		$	12,169		$	25		$	125,908

									Residential
				Real Estate		Commercial			Mortgage Loans		Installment
	Commercial			Construction		Mortgage			and		and Other
	Loans			Loans		Loans			Equity Lines		Loans		Total
	(In thousands)
June 30, 2018 Ending Balance	$	55,179		$	20,663	$	33,976		$	12,062	$	19	$	121,899
Provision/(reversal) for possible credit losses		1,270			519		(4,138	)		842		7		(1,500	)
Charge-offs		(122	)		—		—			—		—		(122	)
Recoveries		187			44		2,944			5		—		3,180
Net recoveries		65			44		2,944			5		—		3,058
September 30, 2018 Ending Balance	$	56,514		$	21,226	$	32,782		$	12,909	$	26	$	123,457

Nine months ended September 30, 2019 and 2018

										Residential
				Real Estate			Commercial			Mortgage Loans			Installment
	Commercial			Construction			Mortgage			and			and Other
	Loans			Loans			Loans			Equity Lines			Loans		Total
	(In thousands)
2019 Beginning Balance	$	54,978		$	19,626		$	33,487		$	14,282		$	18	$	122,391
Provision/(reversal) for possible credit losses		8,262			(2,540	)		(5,234	)		(2,495	)		7		(2,000	)
Charge-offs		(6,300	)		—			—			—			—		(6,300	)
Recoveries		1,609			4,612			5,214			382			—		11,817
Net (charge-offs)/recoveries		(4,691	)		4,612			5,214			382			—		5,517
September 30, 2019 Ending Balance	$	58,549		$	21,698		$	33,467		$	12,169		$	25	$	125,908
Reserve for impaired loans	$	744		$	—		$	536		$	221		$	—	$	1,501
Reserve for non-impaired loans	$	57,805		$	21,698		$	32,931		$	11,948		$	25	$	124,407
Reserve for off-balance sheet credit commitments	$	2,505		$	1,608		$	121		$	313		$	3	$	4,550

										Residential
				Real Estate			Commercial			Mortgage Loans		Installment
	Commercial			Construction			Mortgage			and		and Other
	Loans			Loans			Loans			Equity Lines		Loans		Total
	(In thousands)
2018 Beginning Balance	$	49,796		$	24,838		$	37,610		$	11,013	$	22	$	123,279
Provision/(reversal) for possible credit losses		6,097			(3,744	)		(8,672	)		1,815		4		(4,500	)
Charge-offs		(629	)		—			(390	)		—		—		(1,019	)
Recoveries		1,250			132			4,234			81		—		5,697
Net recoveries		621			132			3,844			81		—		4,678
September 30, 2018 Ending Balance	$	56,514		$	21,226		$	32,782		$	12,909	$	26	$	123,457
Reserve for impaired loans	$	2,506		$	—		$	917		$	281	$	—	$	3,704
Reserve for non-impaired loans	$	54,008		$	21,226		$	31,865		$	12,628	$	26	$	119,753
Reserve for off-balance sheet credit commitments	$	1,615		$	1,174		$	78		$	215	$	6	$	3,088

Loans Held-for-Sale

At the time of commitment to originate or purchase a loan, the loan is determined to be held for investment if it is in the Company’s intent to hold the loan to maturity or for the “foreseeable future,” subject to periodic reviews under the Company’s evaluation processes, including asset/liability and credit risk management. When the Company subsequently changes its intent to hold certain loans, the loans are transferred from held-for-investment to held-for-sale at the lower of cost or fair value. As of September 30, 2019, there were approximately $36.8 million of loans held-for-sale, which were all comprised of residential mortgage loans. There were no loans held-for-sale as of December 31, 2018.

Loans Purchases, Transfers and Sales

The Company purchases and sells loans in the secondary market in the ordinary course of business. From time to time, purchased loans may be transferred from held-for-investment to held-for-sale, and write-downs to the allowance for loan losses are recorded, when appropriate. During the three and nine months ended September 30, 2019, the Company reclassified $75.3 million of residential mortgages from held-for-investment to held-for-sale. Net gains on sales of loans, excluding the lower of cost or fair value adjustments, were $0.8 million, for the three and nine months ended September 30, 2019. The Company recorded a lower of cost or fair value adjustment of $120 thousand during the three and nine months ended September 30, 2019. Noloan transfers were made during the three and nine months ended September 30, 2018.

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Note 4 - Cash, Cash Equivalents and Restricted Cash

9 Months Ended

Sep. 30, 2019

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, which consist of cash on hand, amounts due from banks, and short-term investments with original maturity of three months or less, based upon the Company’s operating, investment, and financing activities. For the purpose of reporting cash flows, these same accounts are included in cash and cash equivalents.

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 $144 thousand and $5.4 million for the nine months ended September 30, 2019 and for the year ended December 31, 2018, respectively. As of September 30, 2019 and December 31, 2018, the Bancorp had $9.1 million and $1.8 million, respectively, on deposit in a cash margin account that serves as collateral for the Bancorp’s interest rate swaps. As of September 30, 2019 and December 31, 2018, the Company held $27.4 million and $7.8 million, respectively, in a restricted escrow account with a major bank for its alternative energy investments.

In the unaudited condensed consolidated statement of cash flows, the amounts for the nine months ended September 30, 2018 have been corrected in the current year and differ from the previously reported amounts of zero for decrease in interest-bearing deposits, $806.1 million for net cash used for investing activities, $42.2 million increase in cash and cash equivalents and $539.8 million for cash and cash equivalents, beginning of period. 

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Note 12 - Income Taxes

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Income Tax Disclosure [Text Block]

12. Income Taxes

The effective tax rate for the first nine months of 2019 was 20.3% compared to 19.0% for the first nine months of 2018. The effective tax rate includes the impact of low-income housing and alternative energy investment tax credits. Income tax expense for the first nine months of 2019 was reduced by $0.6 million in benefits from the distribution of restricted stock units.

The Company’s tax returns are open for audit by the Internal Revenue Service back to 2016 and by the California Franchise Tax Board back to 2014. The Company is currently under audit by the Internal Revenue Service for 2017.

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 8 - Loans (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

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

	September 30, 2019			December 31, 2018
	(In thousands)
Commercial loans	$	2,668,061		$	2,741,965
Residential mortgage loans		4,010,739			3,693,853
Commercial mortgage loans		7,135,599			6,724,200
Equity lines		315,252			249,967
Real estate construction loans		593,816			581,454
Installment and other loans		5,087			4,349
Gross loans	$	14,728,554		$	13,995,788
Allowance for loan losses		(125,908	)		(122,391	)
Unamortized deferred loan fees, net		(1,081	)		(1,565	)
Total loans, net	$	14,601,565		$	13,871,832
Loans held for sale	$	36,778		$	—

Impaired Financing Receivables [Table Text Block]

	Three Months Ended September 30,								Nine Months Ended September 30,
	2019				2018				2019				2018
	Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized		Average Recorded Investment		Interest Income Recognized
	(In thousands)
Commercial loans	$	38,659	$	208	$	48,772	$	461	$	41,132	$	705	$	46,920	$	1,152
Real estate construction loans		4,662		—		5,980		—		4,734		—		7,490		—
Commercial mortgage loans		40,699		332		55,375		576		51,323		1,034		59,314		1,757
Residential mortgage loans and equity lines		13,133		78		13,724		108		13,126		237		14,032		279
Total impaired loans	$	97,153	$	618	$	123,851	$	1,145	$	110,315	$	1,976	$	127,756	$	3,188

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

	September 30, 2019						December 31, 2018
	Unpaid Principal Balance		Recorded Investment		Allowance		Unpaid Principal Balance		Recorded Investment		Allowance
	(In thousands)
With no allocated allowance
Commercial loans	$	24,711	$	20,492	$	—	$	32,015	$	30,368	$	—
Real estate construction loans		5,776		4,629		—		5,776		4,873		—
Commercial mortgage loans		11,663		11,517		—		34,129		24,409		—
Residential mortgage loans and equity lines		6,808		6,770		—		5,685		5,665		—
Subtotal	$	48,958	$	43,408	$	—	$	77,605	$	65,315	$	—
With allocated allowance
Commercial loans	$	13,251	$	13,234	$	744	$	6,653	$	6,570	$	1,837
Commercial mortgage loans		26,356		26,288		536		27,099		27,063		877
Residential mortgage loans and equity lines		7,011		5,917		221		8,934		7,938		1,088
Subtotal	$	46,618	$	45,439	$	1,501	$	42,686	$	41,571	$	3,802
Total impaired loans	$	95,576	$	88,847	$	1,501	$	120,291	$	106,886	$	3,802

Financing Receivable, Past Due [Table Text Block]

	September 30, 2019
	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	$	29,905	$	8,736	$	—	$	22,970	$	61,611	$	2,606,450	$	2,668,061
Real estate construction loans		—		—		—		4,629		4,629		589,187		593,816
Commercial mortgage loans		2,926		3,687		683		12,330		19,626		7,115,973		7,135,599
Residential mortgage loans and equity lines		286		—		—		7,271		7,557		4,318,434		4,325,991
Installment and other loans		—		—		—		—		—		5,087		5,087
Total loans	$	33,117	$	12,423	$	683	$	47,200	$	93,423	$	14,635,131	$	14,728,554

	December 31, 2018
	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	$	25,494	$	2,454	$	514	$	18,805	$	47,267	$	2,694,698	$	2,741,965
Real estate construction loans		—		3,156		—		4,872		8,028		573,426		581,454
Commercial mortgage loans		10,797		8,545		3,259		10,611		33,212		6,690,988		6,724,200
Residential mortgage loans and equity lines		9,687		336		—		7,527		17,550		3,926,270		3,943,820
Installment and other loans		—		—		—		—		—		4,349		4,349
Total loans	$	45,978	$	14,491	$	3,773	$	41,815	$	106,057	$	13,889,731	$	13,995,788

Schedule Of Troubled Debt Restructurings [Table Text Block]

	Three Months Ended September 30, 2019								September 30, 2019
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		3	$	7,585	$	6,165	$	—	$	89
Total		3	$	7,585	$	6,165	$	—	$	89

	Three Months Ended September 30, 2018								September 30, 2018
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		3	$	4,621	$	4,621	$	—	$	2,467
Commercial mortgage loans		1		339		339		—		—
Residential mortgage loans and equity lines		2		413		413		—		16
Total		6	$	5,373	$	5,373	$	—	$	2,483

	Nine Months Ended September 30, 2019								September 30, 2019
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		23	$	25,937	$	10,814	$	—	$	125
Total		23	$	25,937	$	10,814	$	—	$	125

	Nine Months Ended September 30, 2018								September 30, 2018
	No. of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Charge-offs		Specific Reserve
	(In thousands)
Commercial loans		21	$	12,212	$	12,212	$	—	$	2,493
Commercial mortgage loans		7		14,626		14,626		—		119
Residential mortgage loans and equity lines		4		1,213		1,213		—		24
Total		32	$	28,051	$	28,051	$	—	$	2,636

Financing Receivable, Troubled Debt Restructuring [Table Text Block]

	September 30, 2019
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	10,756	$	—	$	—	$	10,756
Commercial mortgage loans		782		5,757		18,936		25,475
Residential mortgage loans		2,931		319		2,166		5,416
Total accruing TDRs	$	14,469	$	6,076	$	21,102	$	41,647

	December 31, 2018
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Accruing TDRs
Commercial loans	$	18,135	$	—	$	—	$	18,135
Commercial mortgage loans		14,022		7,420		19,418		40,860
Residential mortgage loans		3,353		327		2,396		6,076
Total accruing TDRs	$	35,510	$	7,747	$	21,814	$	65,071

Non Accrual Troubled Debt Restructurings [Table Text Block]

	September 30, 2019
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	18,057	$	—	$	—	$	18,057
Residential mortgage loans		1,629		—		101		1,730
Total non-accrual TDRs	$	19,686	$	—	$	101	$	19,787

	December 31, 2018
	Payment Deferral		Rate Reduction		Rate Reduction and Payment Deferral		Total
	(In thousands)
Non-accrual TDRs
Commercial loans	$	13,771	$	—	$	—	$	13,771
Commercial mortgage loans		3,682		—		4,884		8,566
Residential mortgage loans		1,741		—		111		1,852
Total non-accrual TDRs	$	19,194	$	—	$	4,995	$	24,189

Activity Within The Troubled Debt Resturings [Table Text Block]

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
	(In thousands)
Accruing TDRs
Beginning balance	$	64,898		$	84,487		$	65,071		$	68,566
New restructurings		240			2,589			15,432			25,036
Restructured loans restored to accrual status		—			577			—			2,895
Charge-offs		(1,341	)		—			(1,341	)		—
Payments		(22,150	)		(13,055	)		(36,219	)		(19,801	)
Restructured loans placed on non-accrual status		—			—			(1,296	)		(2,098	)
Ending balance	$	41,647		$	74,598		$	41,647		$	74,598

	Three Months Ended September 30,						Nine Months Ended September 30,
	2019			2018			2019			2018
	(In thousands)
Non-accrual TDRs
Beginning balance	$	22,457		$	30,347		$	24,189		$	33,415
New restructurings		7,345			2,784			10,505			3,015
Restructured loans placed on non-accrual status		—			—			1,296			2,098
Charge-offs		(2,389	)		—			(3,607	)		(161	)
Payments		(7,626	)		(4,836	)		(12,596	)		(7,754	)
Restructured loans restored to accrual status		—			(577	)		—			(2,895	)
Ending balance	$	19,787		$	27,718		$	19,787		$	27,718

Financing Receivable Credit Quality Indicators [Table Text Block]

	September 30, 2019
	Pass/Watch		Special Mention		Substandard		Doubtful		Total
	(In thousands)
Commercial loans	$	2,432,623	$	151,265	$	84,173	$	—	$	2,668,061
Real estate construction loans		514,725		74,462		4,629		—		593,816
Commercial mortgage loans		6,824,241		233,155		78,203		—		7,135,599
Residential mortgage loans and equity lines		4,317,793		927		7,271		—		4,325,991
Installment and other loans		5,087		—		—		—		5,087
Total gross loans	$	14,094,469	$	459,809	$	174,276	$	—	$	14,728,554

	December 31, 2018
	Pass/Watch		Special Mention		Substandard		Doubtful		Total
	(In thousands)
Commercial loans	$	2,603,901	$	87,987	$	50,077	$	—	$	2,741,965
Real estate construction loans		514,406		62,175		4,873		—		581,454
Commercial mortgage loans		6,337,368		304,791		82,041		—		6,724,200
Residential mortgage loans and equity lines		3,934,762		—		9,058		—		3,943,820
Installment and other loans		4,349		—		—		—		4,349
Total gross loans	$	13,394,786	$	454,953	$	146,049	$	—	$	13,995,788

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)
June 30, 2019 Ending Balance	$	54,293		$	21,010		$	33,154		$	14,164		$	30		$	122,651
Provision/(reversal) for possible credit losses		7,400			(2,690	)		(4,648	)		(2,057	)		(5	)		(2,000	)
Charge-offs		(3,356	)		—			—			—			—			(3,356	)
Recoveries		212			3,378			4,961			62			—			8,613
Net (charge-offs)/recoveries		(3,144	)		3,378			4,961			62			—			5,257
September 30, 2019 Ending Balance	$	58,549		$	21,698		$	33,467		$	12,169		$	25		$	125,908

									Residential
				Real Estate		Commercial			Mortgage Loans		Installment
	Commercial			Construction		Mortgage			and		and Other
	Loans			Loans		Loans			Equity Lines		Loans		Total
	(In thousands)
June 30, 2018 Ending Balance	$	55,179		$	20,663	$	33,976		$	12,062	$	19	$	121,899
Provision/(reversal) for possible credit losses		1,270			519		(4,138	)		842		7		(1,500	)
Charge-offs		(122	)		—		—			—		—		(122	)
Recoveries		187			44		2,944			5		—		3,180
Net recoveries		65			44		2,944			5		—		3,058
September 30, 2018 Ending Balance	$	56,514		$	21,226	$	32,782		$	12,909	$	26	$	123,457

										Residential
				Real Estate			Commercial			Mortgage Loans			Installment
	Commercial			Construction			Mortgage			and			and Other
	Loans			Loans			Loans			Equity Lines			Loans		Total
	(In thousands)
2019 Beginning Balance	$	54,978		$	19,626		$	33,487		$	14,282		$	18	$	122,391
Provision/(reversal) for possible credit losses		8,262			(2,540	)		(5,234	)		(2,495	)		7		(2,000	)
Charge-offs		(6,300	)		—			—			—			—		(6,300	)
Recoveries		1,609			4,612			5,214			382			—		11,817
Net (charge-offs)/recoveries		(4,691	)		4,612			5,214			382			—		5,517
September 30, 2019 Ending Balance	$	58,549		$	21,698		$	33,467		$	12,169		$	25	$	125,908
Reserve for impaired loans	$	744		$	—		$	536		$	221		$	—	$	1,501
Reserve for non-impaired loans	$	57,805		$	21,698		$	32,931		$	11,948		$	25	$	124,407
Reserve for off-balance sheet credit commitments	$	2,505		$	1,608		$	121		$	313		$	3	$	4,550

										Residential
				Real Estate			Commercial			Mortgage Loans		Installment
	Commercial			Construction			Mortgage			and		and Other
	Loans			Loans			Loans			Equity Lines		Loans		Total
	(In thousands)
2018 Beginning Balance	$	49,796		$	24,838		$	37,610		$	11,013	$	22	$	123,279
Provision/(reversal) for possible credit losses		6,097			(3,744	)		(8,672	)		1,815		4		(4,500	)
Charge-offs		(629	)		—			(390	)		—		—		(1,019	)
Recoveries		1,250			132			4,234			81		—		5,697
Net recoveries		621			132			3,844			81		—		4,678
September 30, 2018 Ending Balance	$	56,514		$	21,226		$	32,782		$	12,909	$	26	$	123,457
Reserve for impaired loans	$	2,506		$	—		$	917		$	281	$	—	$	3,704
Reserve for non-impaired loans	$	54,008		$	21,226		$	31,865		$	12,628	$	26	$	119,753
Reserve for off-balance sheet credit commitments	$	1,615		$	1,174		$	78		$	215	$	6	$	3,088

Impairment Method [Member]

Notes Tables

Impaired Financing Receivables [Table Text Block]

	September 30, 2019
			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	$	744	$	—	$	536	$	221	$	—	$	1,501
Balance	$	33,726	$	4,629	$	37,805	$	12,687	$	—	$	88,847
Loans collectively evaluated for impairment
Allowance	$	57,805	$	21,698	$	32,931	$	11,948	$	25	$	124,407
Balance	$	2,634,335	$	589,187	$	7,097,794	$	4,313,304	$	5,087	$	14,639,707
Total allowance	$	58,549	$	21,698	$	33,467	$	12,169	$	25	$	125,908
Total balance	$	2,668,061	$	593,816	$	7,135,599	$	4,325,991	$	5,087	$	14,728,554

	December 31, 2018
			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	$	1,837	$	—	$	877	$	1,088	$	—	$	3,802
Balance	$	36,940	$	4,873	$	51,471	$	13,602	$	—	$	106,886
Loans collectively evaluated for impairment
Allowance	$	53,141	$	19,626	$	32,610	$	13,194	$	18	$	118,589
Balance	$	2,705,025	$	576,581	$	6,672,729	$	3,930,218	$	4,349	$	13,888,902
Total allowance	$	54,978	$	19,626	$	33,487	$	14,282	$	18	$	122,391
Total balance	$	2,741,965	$	581,454	$	6,724,200	$	3,943,820	$	4,349	$	13,995,788

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Note 17 - Balance Sheet Offsetting (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

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

							Gross Amounts Not Offset in the
							Balance Sheet
	Gross Amounts Recognized		Gross Amounts Offset in the Balance Sheet		Net Amounts Presented in the Balance Sheet		Financial Instruments		Collateral Posted			Net Amount
	(In thousands)
September 30, 2019
Assets:
Derivatives	$	1,697	$	—	$	1,697	$	—	$	—		$	1,697
Liabilities:
Derivatives	$	17,734	$	—	$	17,734	$	—	$	(22,198	)	$	(4,464	)
December 31, 2018
Assets:
Derivatives	$	7,810	$	—	$	7,810	$	—	$	—		$	7,810
Liabilities:
Derivatives	$	1,543	$	—	$	1,543	$	—	$	(1,543	)	$	—

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Note 8 - Loans - Troubled Debt Restructuring Activity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Charge-offs	$ 0	$ 0	$ 0	$ 0
Accruing Troubled Debt Restructuring [Member]
Beginning balance	64,898	84,487	65,071	68,566
New restructurings	240	2,589	15,432	25,036
Restructured loans restored to accrual status	0	577	0	2,895
Charge-offs	(1,341)	0	(1,341)	0
Payments	(22,150)	(13,055)	(36,219)	(19,801)
Restructured loans placed on non-accrual status	0	0	(1,296)	(2,098)
Ending balance	41,647	74,598	41,647	74,598
Non-accruing Troubled Debt Restructuring [Member]
Beginning balance	22,457	30,347	24,189	33,415
New restructurings	7,345	2,784	10,505	3,015
Restructured loans restored to accrual status	0	(577)	0	(2,895)
Charge-offs	(2,389)	0	(3,607)	(161)
Payments	(7,626)	(4,836)	(12,596)	(7,754)
Restructured loans placed on non-accrual status	0	0	1,296	2,098
Ending balance	$ 19,787	$ 27,718	$ 19,787	$ 27,718

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Note 8 - Loans - Aging of Loan Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Loans past due	$ 93,423	$ 106,057
Non-accrual loans	47,200	41,815
Loans not past due	14,635,131	13,889,731
Loans	14,728,554	13,995,788
Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	33,117	45,978
Financial Asset, 60 to 89 Days Past Due [Member]
Loans past due	12,423	14,491
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans past due	683	3,773
Commercial Portfolio Segment [Member]
Loans past due	61,611	47,267
Non-accrual loans	22,970	18,805
Loans not past due	2,606,450	2,694,698
Loans	2,668,061	2,741,965
Commercial Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	29,905	25,494
Commercial Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans past due	8,736	2,454
Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans past due	0	514
Real Estate Construction Portfolio Segment [Member]
Loans past due	4,629	8,028
Non-accrual loans	4,629	4,872
Loans not past due	589,187	573,426
Loans	593,816	581,454
Real Estate Construction Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	0	0
Real Estate Construction Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans past due	0	3,156
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	19,626	33,212
Non-accrual loans	12,330	10,611
Loans not past due	7,115,973	6,690,988
Loans	7,135,599	6,724,200
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	2,926	10,797
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans past due	3,687	8,545
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans past due	683	3,259
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans past due	7,557	17,550
Non-accrual loans	7,271	7,527
Loans not past due	4,318,434	3,926,270
Loans	4,325,991	3,943,820
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	286	9,687
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans past due	0	336
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	0
Non-accrual loans	0	0
Loans not past due	5,087	4,349
Loans	5,087	4,349
Installment and Other Loans [Member ] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	0	0
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 14 - Fair Value of Financial Instruments - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands		Sep. 30, 2019	Dec. 31, 2018
Cash and due from banks		$ 257,189	$ 225,333
Securities available-for-sale		1,427,438	1,242,509
Loans held-for-sale		36,778
Loans, net		15,004,114	13,928,162
Equity securities		32,862	25,098
Investment in Federal Home Loan Bank stock		17,250	17,250
Warrants		1,697	7,810
Foreign exchange contracts with gain		70,955	86,875
Foreign exchange contracts with gain, fair value		965	397
Interest rate swaps		139,466	467,410
Interest rate swaps, fair value		1,697	7,810
Deposits		14,703,977	13,754,028
Advances from Federal Home Loan Bank		603,014	529,500
Other borrowings		31,844	34,031
Long-term debt		113,409	132,615
Option contracts		1,172	1,215
Option contracts, fair value		6	6
Foreign exchange contracts with loss		121,769	94,977
Foreign exchange contracts with loss, fair value		2,435	1,763
Interest rate swaps		581,496	265,166
Interest rate swaps, fair value		17,734	1,543
Commitments to extend credit		3,097,207	2,691,579
Commitments to extend credit, fair value		(9,291)	(8,843)
Standby letters of credit		264,059	245,087
Standby letters of credit, fair value		(2,537)	(2,662)
Other letters of credit		29,230	35,759
Other letters of credit, fair value		(28)	(30)
Bill of lading guarantees		743	730
Bill of lading guarantees, fair value		0	0
Warrants [Member]
Warrants		31
Reported Value Measurement [Member]
Cash and due from banks		257,189	225,333
Short-term investments		567,957	374,957
Securities available-for-sale		1,427,438	1,242,509
Loans held-for-sale		36,778	0
Loans, net	[1]	14,601,565	13,871,832
Equity securities		32,862	25,098
Investment in Federal Home Loan Bank stock		17,250	17,250
Deposits		14,658,269	13,702,340
Advances from Federal Home Loan Bank		600,000	530,000
Other borrowings		38,369	35,756
Long-term debt		160,386	189,448
Reported Value Measurement [Member] | Warrants [Member]
Warrants		31	184
Estimate of Fair Value Measurement [Member]
Cash and due from banks		257,189	225,333
Short-term investments		567,957	374,957
Securities available-for-sale		1,427,438	1,242,509
Loans held-for-sale		36,778	0
Loans, net	[1]	15,004,114	13,928,162
Equity securities		32,862	25,098
Investment in Federal Home Loan Bank stock		17,250	17,250
Deposits		14,703,977	13,754,028
Advances from Federal Home Loan Bank		603,014	529,500
Other borrowings		31,844	34,031
Long-term debt		113,409	132,615
Estimate of Fair Value Measurement [Member] | Warrants [Member]
Warrants		$ 31	$ 184

[1] In accordance with the prospective adoption of ASU 2016-01, the fair value of loans as of December 31, 2018 was measured using an exit price notion. The fair value of loans as of December 31, 2017 was measured using an entry price notion.

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Note 18 - Revenue from Contracts with Customers - Summary of Revenue (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue		$ 7,586	$ 6,931	$ 22,791	$ 20,813
Noninterest income, not in-scope(2)	[1]	2,802	904	13,312	99
Total non-interest income		10,388	7,835	36,103	20,912
Fees and Services Charges on Deposit Account [Member]
Revenue		1,892	2,027	5,940	6,421
Wealth Management Fees [Member]
Revenue		2,049	1,528	6,258	4,252
Other Service Fees [Member]
Revenue	[2]	$ 3,645	$ 3,376	$ 10,593	$ 10,140

[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 11 - Borrowed Funds

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Debt Disclosure [Text Block]

11. Borrowed Funds

Borrowings from the Federal Home Loan Bank (“FHLB”) - As of September 30, 2019, over-night borrowings from the FHLB were $330 million at an average rate of 2.08% compared to $200 million at an average rate of 2.56% as of December 31, 2018. Advances from the FHLB were $270 million at an average rate of 2.15% as of September 30, 2019 and $330 million at an average rate of 2.42% as of December 31, 2018. As of September 30, 2019, FHLB advances of $50 million will mature in December 2019, $75 million in May 2021, $50 million in June 2021, $75 million in July 2021, and $20 million in May 2023.

Other Borrowings - The Company owes a residual payable balance of $7.6 million to Bank SinoPac Co. related to the Company’s acquisition of SinoPac Bancorp, the parent of Far East National Bank. The remaining balance of $7.0 million, due in July 2020, has an interest rate of 3.60% (three month LIBOR rate plus 150 basis points) as of September 30, 2019.

Long-term Debt - On October 12, 2017, the Bank entered into a term loan agreement of $75.0 million with U.S. Bank. The loan has a floating rate of one-month LIBOR plus 175 basis points. As of September 30, 2019, the term loan has a remaining balance of $41.3 million and an interest rate of 3.875% compared to 4.125% at December 31, 2018. The principal amount of the long-term debt from U.S. Bank is due and payable in consecutive quarterly installments of $4.7 million each on the last day of each calendar quarter commencing December 31, 2018, with the final installment due and payable on October 12, 2020. We used the U.S. Bank loan proceeds to fund a portion of our acquisition of SinoPac Bancorp.

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

At September 30, 2019, Junior Subordinated Notes totaled $119.1 million with a weighted average interest rate of 4.29%, compared to $119.1 million with a weighted average rate of 4.96% at December 31, 2018. The Junior Subordinated Notes have a stated maturity term of 30 years.

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Note 7 - Investment Securities

9 Months Ended

Sep. 30, 2019

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 September 30, 2019, and December 31, 2018:

	September 30, 2019
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. government agency entities	$	92,477	$	750	$	273	$	92,954
U.S. government sponsored entities		350,000		—		2,301		347,699
Mortgage-backed securities		880,406		7,714		1,385		886,735
Collateralized mortgage obligations		683		—		18		665
Corporate debt securities		98,865		533		13		99,385
Total	$	1,422,431	$	8,997	$	3,990	$	1,427,438

	December 31, 2018
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	124,801	$	—	$	50	$	124,751
U.S. government agency entities		6,066		—		195		5,871
U.S. government sponsored entities		400,000		—		11,638		388,362
Mortgage-backed securities		670,874		960		15,089		656,745
Collateralized mortgage obligations		1,005		—		28		977
Corporate debt securities		64,985		818		—		65,803
Total	$	1,267,731	$	1,778	$	27,000	$	1,242,509

The amortized cost and fair value of securities available-for-sale as of September 30, 2019, by contractual maturities, are set forth in the tables below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or repay obligations with or without call or repayment penalties.

	September 30, 2019
	Securities Available-For-Sale
	Amortized Cost		Fair Value
	(In thousands)
Due in one year or less	$	19,993	$	20,103
Due after one year through five years		429,449		427,578
Due after five years through ten years		41,718		41,710
Due after ten years		931,271		938,047
Total	$	1,422,431	$	1,427,438

Equity Securities - The adoption of ASU 2016-01 resulted in approximately $8.6 million being reclassified from accumulated other comprehensive income to retained earnings, representing an increase to retained earnings as of January 1, 2018. The Company recognized a net gain of $0.4 million for the three months ended September 30, 2019, due to the increase in fair value of equity investments with readily determinable fair values compared to a net gain of $0.4 million for the three months ended September 30, 2018. The Company recognized a net gain of $7.8 million for the nine months ended September 30, 2019, due to the increase in fair value of equity investments with readily determinable fair values compared to a net loss of $4.6 million for the nine months ended September 30, 2018. Equity securities were $32.9 million and $25.1 million as of September 30, 2019 and December 31, 2018, respectively.

The following tables set forth the gross unrealized losses and related fair value of the Company’s investment portfolio, aggregated by investment category and the length of time that individual security has been in a continuous unrealized loss position, as of  September 30, 2019 and  December 31, 2018:

	September 30, 2019
	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	$	49,796	$	108	$	3,748	$	165	$	53,544	$	273
U.S. government sponsored entities		—		—		347,699		2,301		347,699		2,301
Mortgage-backed securities		115,727		220		146,666		1,165		262,393		1,385
Collateralized mortgage obligations		—		—		665		18		665		18
Corporate debt securities		28,819		13		—		—		28,819		13
Total	$	194,342	$	341	$	498,778	$	3,649	$	693,120	$	3,990

	December 31, 2018
	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	$	124,751	$	50	$	—	$	—	$	124,751	$	50
U.S. government agency entities		3,388		77		2,483		118		5,871		195
U.S. government sponsored entities		—		—		388,362		11,638		388,362		11,638
Mortgage-backed securities		48,528		502		507,701		14,587		556,229		15,089
Collateralized mortgage obligations		—		—		977		28		977		28
Total	$	176,667	$	629	$	899,523	$	26,371	$	1,076,190	$	27,000

To the Company’s knowledge, 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. Management believes the gross unrealized losses detailed in the table above are temporary. 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, noother than temporary impairment write-downs were recorded on the Company’s Condensed Consolidated Statement of Operations and Comprehensive Income in the nine months ended September 30, 2019 and 2018.

Securities available-for-sale having a carrying value of $20.8 million and $28.5 million as of September 30, 2019 and December 31, 2018, respectively, were pledged to secure public deposits, other borrowings and treasury tax and loan.

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Note 3 - Recent Accounting Pronouncements

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

New Accounting Pronouncements and Changes in Accounting Principles [Text Block]

3. Recent Accounting Pronouncements

Accounting Standards Adopted in 2019

In February 2016, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) 2016-02, “Leases (Topic 842),” which requires lessees to recognize leases on their balance sheets and disclose key information about leasing arrangements. Topic 842 was subsequently 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.” The new standard establishes a right-of-use model (“ROU”) that requires a lessee to recognize a ROU asset and lease liability on the balance sheet for all leases with a term longer than 12 months. Leases will be classified as finance or operating, with classification affecting the pattern and classification of expense recognition in the income statement.

The Company has adopted this guidance using the modified-retrospective transition method, which allows the adoption of the accounting standard prospectively without adjusting comparative prior period financial information using the effective date as our date of initial application. Consequently, the Company will not update financial information nor provide the disclosures required under the new standard for dates and periods before January 1, 2019.

The new 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.

Upon adoption, we recognized an operating lease liability of $41.2 million, and a corresponding ROU asset of $40.6 million based on the present value of the remaining minimum lease payments under current leasing standards for existing operating leases.

We elected the short-term lease recognition exemption for all leases that qualify. Consequently, we will not recognize ROU assets or lease liabilities, for those leases that qualify, including existing short-term leases of those assets in transition. We also elected the practical expedient to not separate lease and non-lease components for all of our leases. See Note 10.

In March 2017, the FASB issued ASU 2017-08, “Receivables- Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities.” This update amends the amortization period for certain purchased callable debt securities held at a premium. The amendments require the premium to be amortized to the earliest call date. The amendments do not require an accounting change for securities held at a discount; the discount continues to be amortized to maturity. This update affects all entities that hold investments in callable debt securities that have an amortized cost basis in excess of the amount that is repayable by the issuer at the earliest call date. This update is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018. The Company does not expect the adoption of this guidance to have an impact on the Company’s Consolidated Financial Statements since the accounting on the Company’s purchased callable debt securities have been consistent with the requirements of ASU 2017-8.

In August 2017, the FASB issued ASU 2017-12, “Derivatives and Hedging (Topic 815),” which targeted improvements to accounting for hedging activities. The amendments in this update are intended to better align an entity’s risk management activities and financial reporting for hedging relationships through changes to both the designation and measurement guidance for qualifying hedging relationships and the presentation of hedge results. To meet that objective, the amendments expand and refine hedge accounting for both nonfinancial and financial risk components and align the recognition and presentation of the effects of the hedging instrument and the hedged item in the financial statements. ASU 2017-12, which became effective for us on January 1, 2019, did not have a material impact on our financial statements.

In October 2018, the FASB issued ASU 2018-16, “Derivatives and Hedging (Topic 815) - Inclusion of the Secured Overnight Financing Rate (SOFR) Overnight Index Swap (OIS) Rate as a Benchmark Interest Rate for Hedge Accounting Purposes.” The amendments in this update permit use of the OIS rate based on SOFR as a U.S. benchmark interest rate for hedge accounting purposes under Topic 815 in addition to the interest rates on direct U.S. Treasury obligations, the LIBOR swap rate, the OIS rate based on the Fed Funds Effective Rate and the Securities Industry and Financial Markets Association (SIFMA) Municipal Swap Rate. ASU 2018-16, which became effective for us on January 1, 2019, did not have a material impact on our financial statements.

In March 2019, the FASB amended ASU 2016-02, “Leases (Topic 842),” to align the guidance for fair value of the underlying asset by lessors that are not manufacturers or dealers in Topic 842 with that of existing guidance. As a result, the fair value of the underlying asset at lease commencement is its cost, reflecting any volume or trade discounts that may apply. However, if there has been a significant lapse of time between when the underlying asset is acquired and when the lease commences, the definition of fair value (in Topic 820, Fair Value Measurement) should be applied. (Issue 1). The ASU also requires lessors within the scope of Topic 942, Financial Services—Depository and Lending, to present all “principal payments received under leases” within investing activities. (Issue 2). Finally, the ASU exempts both lessees and lessors from having to provide certain interim disclosures in the fiscal year in which a company adopts the new leases standard. (Issue 3). The transition and effective date provisions apply to Issue 1 and Issue 2. They do not apply to Issue 3 because the amendments for that Issue are to the original transition requirements in Topic 842. The effective date of those amendments is for fiscal years beginning after December 15, 2019, and interim periods within those fiscal years. The Company has adopted the amendments of this guidance as part of the adoption of Topic 842 on January 1, 2019, using the transition methodology set forth in paragraph 842-10-65-1(c).

Other Accounting Standards

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 reasonable and supportable (“R&S”) forecasts, in addition to historical experience and current conditions, to develop an expected credit loss estimate, referred to as the Current Expected Credit Loss (“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.  ASU 2016-13 becomes effective for interim and annual periods beginning after December 15, 2019. 

The Company has established a multidisciplinary project team and implementation plan, reached accounting decisions on various matters, developed a conceptual framework, and engaged an outside firm to develop econometric regression models for net losses during the R&S forecast period. The Company continues to test and refine the CECL models and has completed one preliminary calculation with two more scheduled before adoption. The Company continues to perform testing and sensitivity analysis on its modeling assumptions and results. Our planned approach for estimating expected life-time credit losses is expected to include, among other things, the following key components for all loan portfolio segments: a. The use of a probability of default/loss given default methodology; b. A number of scenarios based on forecasts from an outside economic forecasting company to develop economic forecasts for the R&S period; c. An initial R&S forecast period of six quarters for all loan portfolio segments, which reflects management's expectation of losses based on forward-looking economic scenarios over that time; d. A post-R&S reversion period of six quarters using a linear transition to the historical loss rates for each loan pool; e. A historical loss period that includes the last recession; and f. Prepayments rates based on our historical experience.  The ultimate impact is expected to be influenced by, among other things, the macroeconomic conditions and forecasts at adoption; and other management judgments.  We plan to adopt this new standard on January 1, 2020. We are not yet able to disclose the quantitative effect on our consolidated financial position and results of operations as we are continuing to evaluate the impact of the adoption of this ASU.

In January 2017, the FASB issued ASU 2017-04, “Intangibles—Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment.” This update simplifies how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. Step 2 measures a goodwill impairment loss by comparing the implied fair value of a reporting unit’s goodwill with the carrying amount of that goodwill. Adoption of this update is on a prospective basis and the amendments in this update are to be applied to annual periods beginning after December 15, 2019. Adoption of ASU 2017-04 is not expected to have a material impact on the Company’s Consolidated Financial Statements.

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. The Company is currently evaluating the impact on its Consolidated Financial Statements.

In August 2018, the FASB issued ASU No. 2018-13, “Disclosure Framework Changes to the Disclosure Requirements for Fair Value Measurement.” This ASU eliminates, adds and modifies certain disclosure requirements for fair value measurements. Among the changes, entities will no longer be required to disclose the amount of and reasons for transfers between Level 1 and Level 2 of the fair value hierarchy but will be required to disclose the range and weighted average used to develop significant unobservable inputs for Level 3 fair value measurements. ASU No. 2018-13 is effective for interim and annual reporting periods beginning after December 15, 2019; early adoption is permitted. As ASU No. 2018-13 only revises disclosure requirements, we do not expect it to have a material impact on the Company’s Consolidated Financial Statements.

In April 2019, the FASB issued ASU No. 2019-04, Codification Improvements to Topic 326, Financial Instruments Credit Losses, Topic 815, Derivatives and Hedging, and Topic 825, Financial Instruments, which clarifies and improves areas of guidance related to the recently issued standards on credit losses (ASU 2016-13), hedging (ASU 2017-12), and recognition of financial instruments (ASU 2016-01). The amendments generally have the same effective dates as their related standards. If already adopted, the amendments of ASU 2016-01 and ASU 2016-13 are effective for fiscal years beginning after December 15, 2019 and the amendments of ASU 2017-12 are effective as of the beginning of the Company’s next annual reporting period; early adoption is permitted. The Company previously adopted both ASU 2017-12 and ASU 2016-01 and does not expect the amendments of ASU 2019-04 will have a material impact on the Company’s Consolidated Financial Statements. The Company is continuing to evaluate the impact of ASU 2016-13 and will consider the amendments of ASU 2019-04 as part of that process.

In May 2019, the FASB issued ASU No. 2019-05, “Financial Instruments Credit Losses (Topic 326); Targeted Transition Relief.” This ASU allows entities to irrevocably elect, upon adoption of ASU 2016-13, the fair value option on financial instruments that (1) were previously recorded at amortized cost and (2) are within the scope of ASC 326-20 if the instruments are eligible for the fair value option under ASC 825-10. The fair value option election does not apply to held-to-maturity debt securities. Entities are required to make this election on an instrument by instrument basis. ASU 2019-05 has the same effective date as ASU 2016-13 (i.e., the first quarter of 2020). The Company does not have financial instruments that were previously recorded at amortized cost, and therefore, ASU 2019-05 is not expected to impact the Company’s Consolidated Financial Statements.

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Note 10 - Leases (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

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

	As of September 30, 2019
	Operating Leases
	(In thousands)
Remaining 2019	$	2,114
2020		8,543
2021		7,635
2022		6,428
2023		5,426
Thereafter		9,531
Total lease payments		39,677
Less amount of payment representing interest		(3,535	)
Total present value of lease payments	$	36,142

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

	As of December 31, 2018
	Operating Leases
	(In thousands)
2019	$	8,835
2020		7,220
2021		6,406
2022		5,406
2023		4,208
Thereafter		4,899
Total minimum lease payments	$	36,974

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Note 18 - Revenue From Contracts With Customers (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three months Ended September 30,				Nine months Ended September 30,
	2019		2018		2019		2018
	(In thousands)
Non-interest income, in-scope:
Fees and service charges on deposit accounts	$	1,892	$	2,027	$	5,940	$	6,421
Wealth management fees		2,049		1,528		6,258		4,252
Other service fees(1)		3,645		3,376		10,593		10,140
Total noninterest income		7,586		6,931		22,791		20,813
Noninterest income, not in-scope(2)		2,802		904		13,312		99
Total noninterest income	$	10,388	$	7,835	$	36,103	$	20,912

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Note 8 - Loans - Non-accrual Troubled Debt Restructurings (Details) - Non-accruing Troubled Debt Restructuring [Member] - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017
Accruing TDRs	$ 19,787	$ 22,457	$ 24,189	$ 27,718	$ 30,347	$ 33,415
Payment Deferral [Member]
Accruing TDRs	19,686		19,194
Contractual Interest Rate Reduction [Member]
Accruing TDRs	0		0
Rate Reduction and Payment Deferral [Member]
Accruing TDRs	101		4,995
Commercial Portfolio Segment [Member]
Accruing TDRs	18,057		13,771
Commercial Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs	18,057		13,771
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	1,730		1,852
Residential Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs	1,629		1,741
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	$ 101		111
Commercial Real Estate Portfolio Segment [Member]
Accruing TDRs			8,566
Commercial Real Estate Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs			3,682
Commercial Real Estate Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs			0
Commercial Real Estate Portfolio Segment [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs			$ 4,884

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Note 8 - Loans - Impaired Loans and Related Allowance for Credit Losses (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Loans with no related allowance, unpaid principal balance	$ 48,958	$ 77,605
Loans with no related allowance, recorded investment	43,408	65,315
Loans with related allowance, unpaid principal balance	46,618	42,686
Loans with related allowance, recorded investment	45,439	41,571
Allowance	1,501	3,802
Total impaired loans, unpaid principal balance	95,576	120,291
Total impaired loans, recorded investment	88,847	106,886
Commercial Portfolio Segment [Member]
Loans with no related allowance, unpaid principal balance	24,711	32,015
Loans with no related allowance, recorded investment	20,492	30,368
Loans with related allowance, unpaid principal balance	13,251	6,653
Loans with related allowance, recorded investment	13,234	6,570
Allowance	744	1,837
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	4,629	4,873
Commercial Real Estate Portfolio Segment [Member]
Loans with no related allowance, unpaid principal balance	11,663	34,129
Loans with no related allowance, recorded investment	11,517	24,409
Loans with related allowance, unpaid principal balance	26,356	27,099
Loans with related allowance, recorded investment	26,288	27,063
Allowance	536	877
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans with no related allowance, unpaid principal balance	6,808	5,685
Loans with no related allowance, recorded investment	6,770	5,665
Loans with related allowance, unpaid principal balance	7,011	8,934
Loans with related allowance, recorded investment	5,917	7,938
Allowance	$ 221	$ 1,088

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Note 14 - Fair Value of Financial Instruments - Fair Value Hierarchy of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Cash and due from banks	$ 257,189	$ 225,333
Short-term investments	567,957	374,957
Securities available-for-sale	1,427,438	1,242,509
Loans held-for-sale	36,778
Loans, net	15,004,114	13,928,162
Equity securities	32,862	25,098
Investment in Federal Home Loan Bank stock	17,250	17,250
Warrants	1,697	7,810
Deposits	14,703,977	13,754,028
Advances from Federal Home Loan Bank	603,014	529,500
Other borrowings	31,844	34,031
Long-term debt	113,409	132,615
Equity Securities, FV-NI	32,862	25,098
Warrants [Member]
Warrants	31
Warrants		184
Fair Value, Inputs, Level 1 [Member]
Cash and due from banks	257,189	225,333
Short-term investments	567,957	374,957
Securities available-for-sale	0	124,751
Loans held-for-sale	0
Loans, net	0	0
Equity securities	32,862	25,098
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
Equity Securities, FV-NI	32,862	25,098
Fair Value, Inputs, Level 1 [Member] | Warrants [Member]
Warrants	0
Warrants		0
Fair Value, Inputs, Level 2 [Member]
Cash and due from banks	0	0
Short-term investments	0	0
Securities available-for-sale	1,427,438	1,117,758
Loans held-for-sale	0
Loans, net	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	603,014	529,500
Other borrowings	0	0
Long-term debt	113,409	132,615
Equity Securities, FV-NI	0	0
Fair Value, Inputs, Level 2 [Member] | Warrants [Member]
Warrants	0
Warrants		0
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 held-for-sale	36,778
Loans, net	15,004,114	13,928,162
Equity securities	0	0
Investment in Federal Home Loan Bank stock	0	0
Deposits	14,703,977	13,754,028
Advances from Federal Home Loan Bank	0	0
Other borrowings	31,844	34,031
Long-term debt	0	0
Equity Securities, FV-NI	0	0
Fair Value, Inputs, Level 3 [Member] | Warrants [Member]
Warrants	$ 31
Warrants		$ 184

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Note 19 - Stockholders' Equity (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Jun. 30, 2019	Dec. 31, 2018	Jun. 30, 2018	Dec. 31, 2017
Stockholders' Equity Attributable to Parent, Ending Balance	$ 2,245,894	$ 2,116,777	$ 2,245,894	$ 2,116,777	$ 2,199,297	$ 2,121,866	$ 2,064,836	$ 1,973,304
Stockholders' Equity, Period Increase (Decrease), Total			124,000
Net Income (Loss) Attributable to Parent, Total	72,835	69,757	211,758	207,237
Other Comprehensive Income (Loss), Net of Tax, Total	525	(862)	17,173	(12,198)
Proceeds from Issuance of Common Stock, Dividend Reinvestment Plan			2,522	1,982
Dividends, Common Stock, Cash	$ 24,701	$ 19,532	74,422	58,498
Payments for Repurchase of Common Stock			$ 36,301	$ (0)

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Note 6 - Stock-based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period				35,880
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance		0		0
Proceeds from Stock Options Exercised			$ 0	$ 838
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price				$ 23.37
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value				$ 718
Benefit (Shortfall) of Tax Deductions from Share-based Compensation			$ 600	800
2005 Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	2,389,185		2,389,185
Minimum [Member]
Performance-based Restricted Stock Units, Number of Shares That May Vest, Percentage of Target	0.00%		0.00%
Maximum [Member]
Performance-based Restricted Stock Units, Number of Shares That May Vest, Percentage of Target	150.00%		150.00%
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			3 years
Share-based Payment Arrangement, Expense	$ 1,800	$ 1,900	$ 4,800	5,300
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 11,500	$ 11,800	$ 11,500	$ 11,800
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition			2 years
Performance-based Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			3 years

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Note 7 - Investment Securities - Investments by Contractual Maturity Date (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Due in one year or less, Amortized Cost	$ 19,993
Due in one year or less, Fair Value	20,103
Due after one year through five years, Amortized Cost	429,449
Due after one year through five years, Fair Value	427,578
Due after five years through ten years, Amortized Cost	41,718
Due after five years through ten years, Fair Value	41,710
Due after ten years, Amortized Cost	931,271
Due after ten years, Fair Value	938,047
Total, Amortized Cost	1,422,431	$ 1,267,731
Total, Fair Value	$ 1,427,438	$ 1,242,509

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Note 13 - Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Securities available-for-sale	$ 1,427,438	$ 1,242,509
Equity securities	32,862	25,098
Assets, fair value disclosure	1,462,993	1,275,998
Liabilities, fair value disclosure	20,175	3,312
Securities available-for-sale
Securities available-for-sale	1,427,438	1,242,509
Equity securities	32,862	25,098
Assets, fair value disclosure	1,462,993	1,275,998
Liabilities, fair value disclosure	20,175	3,312
US Government Corporations and Agencies Securities [Member]
Securities available-for-sale	92,954
Securities available-for-sale
Securities available-for-sale	92,954
US Treasury Securities [Member]
Securities available-for-sale		124,751
Securities available-for-sale
Securities available-for-sale		124,751
US Government-sponsored Enterprises Debt Securities [Member]
Securities available-for-sale	347,699	388,363
Securities available-for-sale
Securities available-for-sale	347,699	388,363
US Government Agencies Debt Securities [Member]
Securities available-for-sale		5,871
Securities available-for-sale
Securities available-for-sale		5,871
Commercial Mortgage Backed Securities [Member]
Securities available-for-sale	886,735	656,744
Securities available-for-sale
Securities available-for-sale	886,735	656,744
Collateralized Mortgage Obligations [Member]
Securities available-for-sale	665	977
Securities available-for-sale
Securities available-for-sale	665	977
Corporate Debt Securities [Member]
Securities available-for-sale	99,385	65,803
Securities available-for-sale
Securities available-for-sale	99,385	65,803
Mutual Funds [Member]
Equity securities	6,307	6,094
Securities available-for-sale
Equity securities	6,307	6,094
Preferred Stock of Government Sponsored Entities [Member]
Equity securities	15,145	7,822
Securities available-for-sale
Equity securities	15,145	7,822
Other Equity Securities [Member]
Equity securities	11,410	11,182
Securities available-for-sale
Equity securities	11,410	11,182
Warrant [Member]
Assets, fair value disclosure	31	184
Securities available-for-sale
Assets, fair value disclosure	31	184
Interest Rate Swap [Member]
Assets, fair value disclosure	1,697	7,810
Liabilities, fair value disclosure	17,734	1,543
Securities available-for-sale
Assets, fair value disclosure	1,697	7,810
Liabilities, fair value disclosure	17,734	1,543
Foreign Exchange Contract [Member]
Assets, fair value disclosure	965	397
Liabilities, fair value disclosure	2,435	1,763
Securities available-for-sale
Assets, fair value disclosure	965	397
Liabilities, fair value disclosure	2,435	1,763
Option Contracts [Member]
Liabilities, fair value disclosure	6	6
Securities available-for-sale
Liabilities, fair value disclosure	6	6
Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0	124,751
Equity securities	32,862	25,098
Assets, fair value disclosure	32,862	149,849
Liabilities, fair value disclosure	0	0
Securities available-for-sale
Securities available-for-sale	0	124,751
Equity securities	32,862	25,098
Assets, fair value disclosure	32,862	149,849
Liabilities, fair value disclosure	0	0
Fair Value, Inputs, Level 1 [Member] | US Government Corporations and Agencies Securities [Member]
Securities available-for-sale	0
Securities available-for-sale
Securities available-for-sale	0
Fair Value, Inputs, Level 1 [Member] | US Treasury Securities [Member]
Securities available-for-sale		124,751
Securities available-for-sale
Securities available-for-sale		124,751
Fair Value, Inputs, Level 1 [Member] | US Government-sponsored Enterprises Debt Securities [Member]
Securities available-for-sale	0	0
Securities available-for-sale
Securities available-for-sale	0	0
Fair Value, Inputs, Level 1 [Member] | US Government Agencies Debt Securities [Member]
Securities available-for-sale		0
Securities available-for-sale
Securities available-for-sale		0
Fair Value, Inputs, Level 1 [Member] | Commercial Mortgage Backed Securities [Member]
Securities available-for-sale	0	0
Securities available-for-sale
Securities available-for-sale	0	0
Fair Value, Inputs, Level 1 [Member] | Collateralized Mortgage Obligations [Member]
Securities available-for-sale	0	0
Securities available-for-sale
Securities available-for-sale	0	0
Fair Value, Inputs, Level 1 [Member] | Corporate Debt Securities [Member]
Securities available-for-sale	0	0
Securities available-for-sale
Securities available-for-sale	0	0
Fair Value, Inputs, Level 1 [Member] | Mutual Funds [Member]
Equity securities	6,307	6,094
Securities available-for-sale
Equity securities	6,307	6,094
Fair Value, Inputs, Level 1 [Member] | Preferred Stock of Government Sponsored Entities [Member]
Equity securities	15,145	7,822
Securities available-for-sale
Equity securities	15,145	7,822
Fair Value, Inputs, Level 1 [Member] | Other Equity Securities [Member]
Equity securities	11,410	11,182
Securities available-for-sale
Equity securities	11,410	11,182
Fair Value, Inputs, Level 1 [Member] | Warrant [Member]
Assets, fair value disclosure	0	0
Securities available-for-sale
Assets, fair value disclosure	0	0
Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap [Member]
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Securities available-for-sale
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Fair Value, Inputs, Level 1 [Member] | Foreign Exchange Contract [Member]
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Securities available-for-sale
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Fair Value, Inputs, Level 1 [Member] | Option Contracts [Member]
Liabilities, fair value disclosure	0	0
Securities available-for-sale
Liabilities, fair value disclosure	0	0
Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	1,427,438	1,117,758
Equity securities	0	0
Assets, fair value disclosure	1,430,100	1,125,965
Liabilities, fair value disclosure	20,175	3,312
Securities available-for-sale
Securities available-for-sale	1,427,438	1,117,758
Equity securities	0	0
Assets, fair value disclosure	1,430,100	1,125,965
Liabilities, fair value disclosure	20,175	3,312
Fair Value, Inputs, Level 2 [Member] | US Government Corporations and Agencies Securities [Member]
Securities available-for-sale	92,954
Securities available-for-sale
Securities available-for-sale	92,954
Fair Value, Inputs, Level 2 [Member] | US Treasury Securities [Member]
Securities available-for-sale		0
Securities available-for-sale
Securities available-for-sale		0
Fair Value, Inputs, Level 2 [Member] | US Government-sponsored Enterprises Debt Securities [Member]
Securities available-for-sale	347,699	388,363
Securities available-for-sale
Securities available-for-sale	347,699	388,363
Fair Value, Inputs, Level 2 [Member] | US Government Agencies Debt Securities [Member]
Securities available-for-sale		5,871
Securities available-for-sale
Securities available-for-sale		5,871
Fair Value, Inputs, Level 2 [Member] | Commercial Mortgage Backed Securities [Member]
Securities available-for-sale	886,735	656,744
Securities available-for-sale
Securities available-for-sale	886,735	656,744
Fair Value, Inputs, Level 2 [Member] | Collateralized Mortgage Obligations [Member]
Securities available-for-sale	665	977
Securities available-for-sale
Securities available-for-sale	665	977
Fair Value, Inputs, Level 2 [Member] | Corporate Debt Securities [Member]
Securities available-for-sale	99,385	65,803
Securities available-for-sale
Securities available-for-sale	99,385	65,803
Fair Value, Inputs, Level 2 [Member] | Mutual Funds [Member]
Equity securities	0	0
Securities available-for-sale
Equity securities	0	0
Fair Value, Inputs, Level 2 [Member] | Preferred Stock of Government Sponsored Entities [Member]
Equity securities	0	0
Securities available-for-sale
Equity securities	0	0
Fair Value, Inputs, Level 2 [Member] | Other Equity Securities [Member]
Equity securities	0	0
Securities available-for-sale
Equity securities	0	0
Fair Value, Inputs, Level 2 [Member] | Warrant [Member]
Assets, fair value disclosure	0	0
Securities available-for-sale
Assets, fair value disclosure	0	0
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member]
Assets, fair value disclosure	1,697	7,810
Liabilities, fair value disclosure	17,734	1,543
Securities available-for-sale
Assets, fair value disclosure	1,697	7,810
Liabilities, fair value disclosure	17,734	1,543
Fair Value, Inputs, Level 2 [Member] | Foreign Exchange Contract [Member]
Assets, fair value disclosure	965	397
Liabilities, fair value disclosure	2,435	1,763
Securities available-for-sale
Assets, fair value disclosure	965	397
Liabilities, fair value disclosure	2,435	1,763
Fair Value, Inputs, Level 2 [Member] | Option Contracts [Member]
Liabilities, fair value disclosure	6	6
Securities available-for-sale
Liabilities, fair value disclosure	6	6
Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Equity securities	0	0
Assets, fair value disclosure	31	184
Liabilities, fair value disclosure	0	0
Securities available-for-sale
Securities available-for-sale	0	0
Equity securities	0	0
Assets, fair value disclosure	31	184
Liabilities, fair value disclosure	0	0
Fair Value, Inputs, Level 3 [Member] | US Government Corporations and Agencies Securities [Member]
Securities available-for-sale	0
Securities available-for-sale
Securities available-for-sale	0
Fair Value, Inputs, Level 3 [Member] | US Treasury Securities [Member]
Securities available-for-sale		0
Securities available-for-sale
Securities available-for-sale		0
Fair Value, Inputs, Level 3 [Member] | US Government-sponsored Enterprises Debt Securities [Member]
Securities available-for-sale	0	0
Securities available-for-sale
Securities available-for-sale	0	0
Fair Value, Inputs, Level 3 [Member] | US Government Agencies Debt Securities [Member]
Securities available-for-sale		0
Securities available-for-sale
Securities available-for-sale		0
Fair Value, Inputs, Level 3 [Member] | Commercial Mortgage Backed Securities [Member]
Securities available-for-sale	0	0
Securities available-for-sale
Securities available-for-sale	0	0
Fair Value, Inputs, Level 3 [Member] | Collateralized Mortgage Obligations [Member]
Securities available-for-sale	0	0
Securities available-for-sale
Securities available-for-sale	0	0
Fair Value, Inputs, Level 3 [Member] | Corporate Debt Securities [Member]
Securities available-for-sale	0	0
Securities available-for-sale
Securities available-for-sale	0	0
Fair Value, Inputs, Level 3 [Member] | Mutual Funds [Member]
Equity securities	0	0
Securities available-for-sale
Equity securities	0	0
Fair Value, Inputs, Level 3 [Member] | Preferred Stock of Government Sponsored Entities [Member]
Equity securities	0	0
Securities available-for-sale
Equity securities	0	0
Fair Value, Inputs, Level 3 [Member] | Other Equity Securities [Member]
Equity securities	0	0
Securities available-for-sale
Equity securities	0	0
Fair Value, Inputs, Level 3 [Member] | Warrant [Member]
Assets, fair value disclosure	31	184
Securities available-for-sale
Assets, fair value disclosure	31	184
Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap [Member]
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Securities available-for-sale
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Fair Value, Inputs, Level 3 [Member] | Foreign Exchange Contract [Member]
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Securities available-for-sale
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Fair Value, Inputs, Level 3 [Member] | Option Contracts [Member]
Liabilities, fair value disclosure	0	0
Securities available-for-sale
Liabilities, fair value disclosure	$ 0	$ 0

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Note 10 - Leases - Future Minimum Payments Under Operating Leases (Details) $ in Thousands	Dec. 31, 2018 USD ($)
2019	$ 8,835
2020	7,220
2021	6,406
2022	5,406
2023	4,208
Thereafter	4,899
Total minimum lease payments	$ 36,974

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Note 8 - Loans - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Balance	$ 122,651	$ 121,899	$ 122,391	$ 123,279
Provision/(reversal) for possible credit losses	(2,000)	(1,500)	(2,000)	(4,500)
Charge-offs	(3,356)	(122)	(6,300)	(1,019)
Recoveries	8,613	3,180	11,817	5,697
Net (charge-offs)/recoveries	5,257	3,058	5,517	4,678
Balance	125,908	123,457	125,908	123,457
Reserve for impaired loans	1,501	3,704	1,501	3,704
Reserve for non-impaired loans	124,407	119,753	124,407	119,753
Reserve for off-balance sheet credit commitments	4,550	3,088	4,550	3,088
Commercial Portfolio Segment [Member]
Balance	54,293	55,179	54,978	49,796
Provision/(reversal) for possible credit losses	7,400	1,270	8,262	6,097
Charge-offs	(3,356)	(122)	(6,300)	(629)
Recoveries	212	187	1,609	1,250
Net (charge-offs)/recoveries	(3,144)	65	(4,691)	621
Balance	58,549	56,514	58,549	56,514
Reserve for impaired loans	744	2,506	744	2,506
Reserve for non-impaired loans	57,805	54,008	57,805	54,008
Reserve for off-balance sheet credit commitments	2,505	1,615	2,505	1,615
Real Estate Construction Portfolio Segment [Member]
Balance	21,010	20,663	19,626	24,838
Provision/(reversal) for possible credit losses	(2,690)	519	(2,540)	(3,744)
Charge-offs	0	0	0	0
Recoveries	3,378	44	4,612	132
Net (charge-offs)/recoveries	3,378	44	4,612	132
Balance	21,698	21,226	21,698	21,226
Reserve for impaired loans	0	0	0	0
Reserve for non-impaired loans	21,698	21,226	21,698	21,226
Reserve for off-balance sheet credit commitments	1,608	1,174	1,608	1,174
Commercial Real Estate Portfolio Segment [Member]
Balance	33,154	33,976	33,487	37,610
Provision/(reversal) for possible credit losses	(4,648)	(4,138)	(5,234)	(8,672)
Charge-offs	0	0	0	(390)
Recoveries	4,961	2,944	5,214	4,234
Net (charge-offs)/recoveries	4,961	2,944	5,214	3,844
Balance	33,467	32,782	33,467	32,782
Reserve for impaired loans	536	917	536	917
Reserve for non-impaired loans	32,931	31,865	32,931	31,865
Reserve for off-balance sheet credit commitments	121	78	121	78
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Balance	14,164	12,062	14,282	11,013
Provision/(reversal) for possible credit losses	(2,057)	842	(2,495)	1,815
Charge-offs	0	0	0	0
Recoveries	62	5	382	81
Net (charge-offs)/recoveries	62	5	382	81
Balance	12,169	12,909	12,169	12,909
Reserve for impaired loans	221	281	221	281
Reserve for non-impaired loans	11,948	12,628	11,948	12,628
Reserve for off-balance sheet credit commitments	313	215	313	215
Installment and Other Loans [Member ]
Balance	30	19	18	22
Provision/(reversal) for possible credit losses	(5)	7	7	4
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net (charge-offs)/recoveries	0	0	0	0
Balance	25	26	25	26
Reserve for impaired loans	0	0	0	0
Reserve for non-impaired loans	25	26	25	26
Reserve for off-balance sheet credit commitments	$ 3	$ 6	$ 3	$ 6

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Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2019	Oct. 31, 2019
Document Information [Line Items]
Entity Central Index Key	0000861842
Entity Registrant Name	Cathay General Bancorp
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2019
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2019
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		79,706,517

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Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock Outstanding [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Dec. 31, 2017	80,893,379
Balance at Dec. 31, 2017	$ 891	$ 932,874	$ (2,511)	$ 1,281,639	$ (239,589)	$ 1,973,304
Dividend Reinvestment Plan (in shares)	46,070
Dividend Reinvestment Plan	$ 0	1,982	0	0	0	1,982
Stock-based compensation	0	5,325	0	0	0	5,325
Cash dividends	0	0	0	(58,498)	0	(58,498)
Change in other comprehensive loss	0	0	(12,198)	0	0	(12,198)
Net income	$ 0	0	0	207,237	0	207,237
Warrants exercised (in shares)	315,187
Warrants exercised	$ 3	(3)	0	0	0	0
Restricted stock units vested (in shares)	89,471
Restricted stock units vested	$ 2	0	0	0	0	2
Shares withheld related to net share settlement of RSUs	$ 0	(1,865)	0	0	0	(1,865)
Stock issued to directors (in shares)	16,060
Stock issued to directors	$ 0	650	0	0	0	650
Cumulative effect of changes in accounting principles	0	0	(8,559)	8,559	0	0
Reclassification of tax effects in accumulated other comprehensive income resulting from the new corporate income tax rate	$ 0	0	(515)	515	0	$ 0
Stock options exercised (in shares)	35,880					35,880
Stock options exercised	$ 0	838	0	0	0	$ 838
Balance (in shares) at Sep. 30, 2018	81,396,047
Balance at Sep. 30, 2018	$ 896	939,801	(23,783)	1,439,452	(239,589)	2,116,777
Balance (in shares) at Jun. 30, 2018	81,255,683
Balance at Jun. 30, 2018	$ 895	937,224	(22,921)	1,389,227	(239,589)	2,064,836
Dividend Reinvestment Plan (in shares)	15,513
Dividend Reinvestment Plan	$ 0	657	0	0	0	657
Stock-based compensation	0	1,921	0	0	0	1,921
Cash dividends	0	0	0	(19,532)	0	(19,532)
Change in other comprehensive loss	0	0	(862)	0	0	(862)
Net income	$ 0	0	0	69,757	0	69,757
Warrants exercised (in shares)	124,851
Warrants exercised	$ 1	(1)	0	0	0	0
Balance (in shares) at Sep. 30, 2018	81,396,047
Balance at Sep. 30, 2018	$ 896	939,801	(23,783)	1,439,452	(239,589)	2,116,777
Balance (in shares) at Dec. 31, 2018	80,501,948
Balance at Dec. 31, 2018	$ 898	942,062	(18,006)	1,479,149	(282,237)	2,121,866
Dividend Reinvestment Plan (in shares)	70,798
Dividend Reinvestment Plan	$ 1	2,521	0	0	0	2,522
Purchases of treasury stock (in shares)	(1,010,594)
Purchases of treasury stock	$ 0	0	0	0	(36,301)	(36,301)
Stock-based compensation	0	4,848	0	0	0	4,848
Cash dividends	0	0	0	(74,422)	0	(74,422)
Change in other comprehensive loss	0	0	17,173	0	0	17,173
Net income	$ 0	0	0	211,758	0	211,758
Restricted stock units vested (in shares)	123,199
Restricted stock units vested	$ 1	0	0	0	0	1
Shares withheld related to net share settlement of RSUs	$ 0	(2,300)	0	0	0	(2,300)
Stock issued to directors (in shares)	21,160
Stock issued to directors	$ 0	749	0	0	0	749
Balance (in shares) at Sep. 30, 2019	79,706,511
Balance at Sep. 30, 2019	$ 900	947,880	(833)	1,616,485	(318,538)	2,245,894
Balance (in shares) at Jun. 30, 2019	79,818,003
Balance at Jun. 30, 2019	$ 900	945,250	(1,358)	1,568,351	(313,846)	2,199,297
Dividend Reinvestment Plan (in shares)	23,508
Dividend Reinvestment Plan	$ 0	841	0	0	0	841
Purchases of treasury stock (in shares)	(135,000)
Purchases of treasury stock	$ 0	0	0	0	(4,692)	(4,692)
Stock-based compensation	0	1,789	0	0	0	1,789
Cash dividends	0	0	0	(24,701)	0	(24,701)
Change in other comprehensive loss	0	0	525	0	0	525
Net income	$ 0	0	0	72,835	0	72,835
Balance (in shares) at Sep. 30, 2019	79,706,511
Balance at Sep. 30, 2019	$ 900	$ 947,880	$ (833)	$ 1,616,485	$ (318,538)	$ 2,245,894

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Note 2 - Basis of Presentation

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]

2. Basis of Presentation

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, 2019. 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, 2018.

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.

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Note 19 - Stockholders' Equity

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Stockholders' Equity Note Disclosure [Text Block]

19. Stockholders’ Equity

Total equity was $2.25 billion as of September 30, 2019, an increase of $124.0 million, from $2.12 billion as of December 31, 2018, primarily due to net income of $211.8 million, increases in other comprehensive income of $17.2 million, and proceeds from dividend reinvestment of $2.5 million, and partially offset by common stock cash dividends of $74.4 million and repurchases of the Company’s common stock of $36.3 million.

Activity in accumulated other comprehensive income, net of tax, and reclassification out of accumulated other comprehensive income for the three months and nine months ended September 30, 2019, and September 30, 2018, was as follows:

	Three months ended September 30, 2019									Three months ended September 30, 2018
	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							$	2,209								$	(24,084	)
Cash flow hedge derivatives								(3,567	)								1,163
Total							$	(1,358	)							$	(22,921	)
Net unrealized gains/(losses) arising during the period
Securities available-for-sale	$	1,750		$	517		$	1,233		$	(3,603	)	$	(1,065	)	$	(2,538	)
Cash flow hedge derivatives		(1,126	)		(333	)		(793	)		2,365			699			1,666
Total	$	624		$	184		$	440		$	(1,238	)	$	(366	)	$	(872	)
Reclassification adjustment for net losses in net income
Securities available-for-sale		121			36			85			14			4			10
Cash flow hedge derivatives		—			—			—			—			—			—
Total		121			36			85			14			4			10
Total other comprehensive income/(loss)
Securities available-for-sale	$	1,871		$	553		$	1,318		$	(3,589	)	$	(1,061	)	$	(2,528	)
Cash flow hedge derivatives		(1,126	)		(333	)		(793	)		2,365			699			1,666
Total	$	745		$	220		$	525		$	(1,224	)	$	(362	)	$	(862	)
Ending balance, gain/(loss), net of tax
Securities available-for-sale							$	3,527								$	(26,612	)
Cash flow hedge derivatives								(4,360	)								2,829
Total							$	(833	)							$	(23,783	)

	Nine months ended September 30, 2019									Nine months ended September 30, 2018
	Pre-tax			Tax expense/ (benefit)			Net-of-tax			Pre-tax			Tax expense/ (benefit)			Net-of-tax
	(In thousands)
Beginning balance, loss, net of tax
Securities available-for-sale							$	(17,765	)							$	(1,060	)
Cash flow hedge derivatives								(241	)								(1,451	)
Total							$	(18,006	)							$	(2,511	)
Reclassification adjustment for stranded tax effects of Tax Cuts and Jobs Act (1)
Securities available-for-sale	$	—		$	—		$	—		$	—		$	200		$	(200	)
Cash flow hedge derivatives		—			—			—			—			315			(315	)
Total	$	—		$	—		$	—		$	—		$	515		$	(515	)
Reclassification adjustment for equity securities (2)
Equity securities	$	—		$	—		$	—		$	(12,151	)	$	(3,592	)	$	(8,559	)
Net unrealized gains/(losses) arising during the period
Securities available-for-sale	$	30,119		$	8,903		$	21,216		$	(23,854	)	$	(7,051	)	$	(16,803	)
Cash flow hedge derivatives		(5,848	)		(1,729	)		(4,119	)		6,523			1,928			4,595
Total	$	24,271		$	7,174		$	17,097		$	(17,331	)	$	(5,123	)	$	(12,208	)
Reclassification adjustment for net losses in net income
Securities available-for-sale		108			32			76			14			4			10
Cash flow hedge derivatives		—			—			—			—			—			—
Total		108			32			76			14			4			10
Total other comprehensive income/(loss)
Securities available-for-sale	$	30,227		$	8,935		$	21,292		$	(23,840	)	$	(7,047	)	$	(16,793	)
Cash flow hedge derivatives		(5,848	)		(1,729	)		(4,119	)		6,523			1,928			4,595
Total	$	24,379		$	7,206		$	17,173		$	(17,317	)	$	(5,119	)	$	(12,198	)
Ending balance, gain/(loss), net of tax
Securities available-for-sale							$	3,527								$	(26,612	)
Cash flow hedge derivatives								(4,360	)								2,829
Total							$	(833	)							$	(23,783	)

(1)	These amounts were recorded as of January 1, 2018 as a result of the adoption of ASU 2018-2.
(2)	This amount was recorded as of January 1, 2018 as a result of the adoption of ASU 2016-1.

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Note 15 - Goodwill and Goodwill Impairment

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Goodwill and Intangible Assets Disclosure [Text Block]

15. 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.  

As of September 30, 2019, the Company’s market capitalization was above book value and there was no triggering event that required the Company to assess goodwill for impairment as of an interim date.

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Note 1 - Business (Details Textual)	Sep. 30, 2019
Number Of Limited Partnerships In Housing Investments	10
Percentage of Subsidiaries Common Securities Owned by Parent Company	100.00%
Southern California [Member]
Number Of Branch Locations	25
Northern California [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
NEVADA
Number Of Branch Locations	1
MASSACHUSETTS
Number Of Branch Locations	1
MARYLAND
Number Of Branch Locations	1
NEW JERSEY
Number Of Branch Locations	1
HONG KONG
Number Of Branch Locations	1

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Note 7 - Investment Securities (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

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

	September 30, 2019
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. government agency entities	$	92,477	$	750	$	273	$	92,954
U.S. government sponsored entities		350,000		—		2,301		347,699
Mortgage-backed securities		880,406		7,714		1,385		886,735
Collateralized mortgage obligations		683		—		18		665
Corporate debt securities		98,865		533		13		99,385
Total	$	1,422,431	$	8,997	$	3,990	$	1,427,438

	December 31, 2018
			Gross		Gross
	Amortized		Unrealized		Unrealized
	Cost		Gains		Losses		Fair Value
	(In thousands)
Securities Available-for-Sale
U.S. treasury securities	$	124,801	$	—	$	50	$	124,751
U.S. government agency entities		6,066		—		195		5,871
U.S. government sponsored entities		400,000		—		11,638		388,362
Mortgage-backed securities		670,874		960		15,089		656,745
Collateralized mortgage obligations		1,005		—		28		977
Corporate debt securities		64,985		818		—		65,803
Total	$	1,267,731	$	1,778	$	27,000	$	1,242,509

Investments Classified by Contractual Maturity Date [Table Text Block]

	September 30, 2019
	Securities Available-For-Sale
	Amortized Cost		Fair Value
	(In thousands)
Due in one year or less	$	19,993	$	20,103
Due after one year through five years		429,449		427,578
Due after five years through ten years		41,718		41,710
Due after ten years		931,271		938,047
Total	$	1,422,431	$	1,427,438

Schedule of Unrealized Loss on Investments [Table Text Block]

	September 30, 2019
	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	$	49,796	$	108	$	3,748	$	165	$	53,544	$	273
U.S. government sponsored entities		—		—		347,699		2,301		347,699		2,301
Mortgage-backed securities		115,727		220		146,666		1,165		262,393		1,385
Collateralized mortgage obligations		—		—		665		18		665		18
Corporate debt securities		28,819		13		—		—		28,819		13
Total	$	194,342	$	341	$	498,778	$	3,649	$	693,120	$	3,990

	December 31, 2018
	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	$	124,751	$	50	$	—	$	—	$	124,751	$	50
U.S. government agency entities		3,388		77		2,483		118		5,871		195
U.S. government sponsored entities		—		—		388,362		11,638		388,362		11,638
Mortgage-backed securities		48,528		502		507,701		14,587		556,229		15,089
Collateralized mortgage obligations		—		—		977		28		977		28
Total	$	176,667	$	629	$	899,523	$	26,371	$	1,076,190	$	27,000

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Note 14 - Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

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

	September 30, 2019				December 31, 2018
	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
	(In thousands)
Financial Assets
Cash and due from banks	$	257,189	$	257,189	$	225,333	$	225,333
Short-term investments		567,957		567,957		374,957		374,957
Securities available-for-sale		1,427,438		1,427,438		1,242,509		1,242,509
Loans held-for-sale		36,778		36,778		—		—
Loans, net		14,601,565		15,004,114		13,871,832		13,928,162
Equity securities		32,862		32,862		25,098		25,098
Investment in Federal Home Loan Bank stock		17,250		17,250		17,250		17,250
Warrants		31		31		184		184

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Foreign exchange contracts	$	70,955	$	965	$	86,875	$	397
Interest rate swaps		139,466		1,697		467,410		7,810

	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
Financial Liabilities
Deposits	$	14,658,269	$	14,703,977	$	13,702,340	$	13,754,028
Advances from Federal Home Loan Bank		600,000		603,014		530,000		529,500
Other borrowings		38,369		31,844		35,756		34,031
Long-term debt		160,386		113,409		189,448		132,615

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Option contracts	$	1,172	$	6	$	1,215	$	6
Foreign exchange contracts		121,769		2,435		94,977		1,763
Interest rate swaps		581,496		17,734		265,166		1,543

	Notional					Notional
	Amount		Fair Value			Amount		Fair Value
Off-Balance Sheet Financial Instruments
Commitments to extend credit	$	3,097,207	$	(9,291	)	$	2,691,579	$	(8,843	)
Standby letters of credit		264,059		(2,537	)		245,087		(2,662	)
Other letters of credit		29,230		(28	)		35,759		(30	)
Bill of lading guarantees		743		—			730		—

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

	As of September 30, 2019
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	257,189	$	257,189	$	—	$	—
Short-term investments		567,957		567,957		—		—
Securities available-for-sale		1,427,438		—		1,427,438		—
Loans held-for-sale		36,778		—		—		36,778
Loans, net		15,004,114		—		—		15,004,114
Equity securities		32,862		32,862		—		—
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Warrants		31		—		—		31
Financial Liabilities
Deposits		14,703,977		—		—		14,703,977
Advances from Federal Home Loan Bank		603,014		—		603,014		—
Other borrowings		31,844		—		—		31,844
Long-term debt		113,409		—		113,409		—

	As of December 31, 2018
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	225,333	$	225,333	$	—	$	—
Short-term investments		374,957		374,957		—		—
Securities available-for-sale		1,242,509		124,751		1,117,758		—
Loans, net		13,928,162		—		—		13,928,162
Equity securities		25,098		25,098		—		—
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Warrants		184		—		—		184
Financial Liabilities
Deposits		13,754,028		—		—		13,754,028
Advances from Federal Home Loan Bank		529,500		—		529,500		—
Other borrowings		34,031		—		—		34,031
Long-term debt		132,615		—		132,615		—

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Note 9 - Commitments and Contingencies

9 Months Ended

Sep. 30, 2019

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 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.

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 $131.4 million and $113.0 million as of September 30, 2019 and December 31, 2018, respectively.

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Note 5 - Earnings Per Share

9 Months Ended

Sep. 30, 2019

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. Outstanding stock options and restricted stock units (“RSUs”) with anti-dilutive effect were not included in the computation of diluted earnings per share. The following table sets forth earnings per common share calculations:

	Three months ended September 30,				Nine months ended September 30,
	2019		2018		2019		2018
	(In thousands, except share and per share data)
Net income	$	72,835	$	69,757	$	211,758	$	207,237
Weighted-average shares:
Basic weighted-average number of common shares outstanding		79,736,814		81,311,899		80,096,855		81,224,555
Dilutive effect of weighted-average outstanding common share equivalents
Warrants		—		234,105		—		268,988
RSUs		257,016		309,267		233,761		277,331
Diluted weighted-average number of common shares outstanding		79,993,830		81,855,271		80,330,616		81,770,874
Average stock options and restricted stock units with anti-dilutive effect		32,321		1,854		47,690		15,625
Earnings per common share:
Basic	$	0.91	$	0.86	$	2.64	$	2.55
Diluted	$	0.91	$	0.85	$	2.64	$	2.53

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Note 17 - Balance Sheet Offsetting - Financial Instruments That Are Eligible for Offset in the Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Derivative assets, gross	$ 1,697	$ 7,810
Derivative assets, net	1,697	7,810
Derivative assets not offset	1,697	7,810
Derivative liabilities, gross	17,734	1,543
Derivative liabilities, net	17,734	1,543
Derivatives, collateral posted	(22,198)	(1,543)
Derivative liabilities, not offset	$ (4,464)	$ 0

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Note 20 - Stock Repurchase Program (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended	5 Months Ended	9 Months Ended
	May 31, 2019	Sep. 30, 2019	Sep. 30, 2019	Sep. 30, 2019	May 07, 2019
Treasury Stock, Value, Acquired, Cost Method		$ 4,692		$ 36,301
October 26, 2018 Stock Repurchase Program [Member]
Treasury Stock, Shares, Acquired	1,182,060
Treasury Stock, Value, Acquired, Cost Method	$ 45,000
Treasury Stock Acquired, Average Cost Per Share	$ 38.07
May 2019 Repurchase Program [Member]
Treasury Stock, Shares, Acquired			741,934
Treasury Stock, Value, Acquired, Cost Method			$ 26,400
Treasury Stock Acquired, Average Cost Per Share			$ 35.59
Stock Repurchase Program, Authorized Amount					$ 50,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 23,600	$ 23,600	$ 23,600

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Note 8 - Loans - Troubled Debt Restructuring (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)
No. of Contracts	3	6	23	32
Pre-Modification Outstanding Recorded Investment	$ 7,585	$ 5,373	$ 25,937	$ 28,051
Post-Modification Outstanding Recorded Investment	6,165	5,373	10,814	28,051
Charge-offs	0	0	0	0
Specific reserve	$ 89	$ 2,483	$ 125	$ 2,636
Commercial Portfolio Segment [Member]
No. of Contracts	3	3	23	21
Pre-Modification Outstanding Recorded Investment	$ 7,585	$ 4,621	$ 25,937	$ 12,212
Post-Modification Outstanding Recorded Investment	6,165	4,621	10,814	12,212
Charge-offs	0	0	0	0
Specific reserve	$ 89	$ 2,467	$ 125	$ 2,493
Commercial Real Estate Portfolio Segment [Member]
No. of Contracts		1		7
Pre-Modification Outstanding Recorded Investment		$ 339		$ 14,626
Post-Modification Outstanding Recorded Investment		339		14,626
Charge-offs		0		0
Specific reserve		$ 0		$ 119
Residential Mortgage and Equity Lines Portfolio Segment [Member]
No. of Contracts		2		4
Pre-Modification Outstanding Recorded Investment		$ 413		$ 1,213
Post-Modification Outstanding Recorded Investment		413		1,213
Charge-offs		0		0
Specific reserve		$ 16		$ 24

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Note 8 - Loans - Components of Loans in Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Loans	$ 14,728,554	$ 13,995,788
Less: Allowance for loan losses	(125,908)	(122,391)
Unamortized deferred loan fees, net	(1,081)	(1,565)
Total loans, net	14,601,565	13,871,832
Loans held for sale	36,778	0
Commercial Portfolio Segment [Member]
Loans	2,668,061	2,741,965
Less: Allowance for loan losses	(58,549)	(54,978)
Residential Portfolio Segment [Member]
Loans	4,010,739	3,693,853
Commercial Real Estate Portfolio Segment [Member]
Loans	7,135,599	6,724,200
Less: Allowance for loan losses	(33,467)	(33,487)
Equity Lines Portfolio Segment [Member]
Loans	315,252	249,967
Real Estate Construction Portfolio Segment [Member]
Loans	593,816	581,454
Less: Allowance for loan losses	(21,698)	(19,626)
Consumer Portfolio Segment [Member]
Loans	5,087	4,349
Less: Allowance for loan losses	$ (25)	$ (18)

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Note 8 - Loans - Portfolio by Risk Rating (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Loans	$ 14,728,554	$ 13,995,788
Commercial Portfolio Segment [Member]
Loans	2,668,061	2,741,965
Real Estate Construction Portfolio Segment [Member]
Loans	593,816	581,454
Commercial Real Estate Portfolio Segment [Member]
Loans	7,135,599	6,724,200
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans	4,325,991	3,943,820
Consumer Portfolio Segment [Member]
Loans	5,087	4,349
Pass [Member]
Loans	14,094,469	13,394,786
Pass [Member] | Commercial Portfolio Segment [Member]
Loans	2,432,623	2,603,901
Pass [Member] | Real Estate Construction Portfolio Segment [Member]
Loans	514,725	514,406
Pass [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans	6,824,241	6,337,368
Pass [Member] | Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans	4,317,793	3,934,762
Pass [Member] | Consumer Portfolio Segment [Member]
Loans	5,087	4,349
Special Mention [Member]
Loans	459,809	454,953
Special Mention [Member] | Commercial Portfolio Segment [Member]
Loans	151,265	87,987
Special Mention [Member] | Real Estate Construction Portfolio Segment [Member]
Loans	74,462	62,175
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans	233,155	304,791
Special Mention [Member] | Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans	927	0
Special Mention [Member] | Consumer Portfolio Segment [Member]
Loans	0	0
Substandard [Member]
Loans	174,276	146,049
Substandard [Member] | Commercial Portfolio Segment [Member]
Loans	84,173	50,077
Substandard [Member] | Real Estate Construction Portfolio Segment [Member]
Loans	4,629	4,873
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans	78,203	82,041
Substandard [Member] | Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans	7,271	9,058
Substandard [Member] | Consumer Portfolio Segment [Member]
Loans	0	0
Doubtful [Member]
Loans	0	0
Doubtful [Member] | Commercial Portfolio Segment [Member]
Loans	0	0
Doubtful [Member] | Real Estate Construction Portfolio Segment [Member]
Loans	0	0
Doubtful [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans	0	0
Doubtful [Member] | Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans	0	0
Doubtful [Member] | Consumer Portfolio Segment [Member]
Loans	$ 0	$ 0

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Note 12 - Income Taxes (Details Textual) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Effective Income Tax Rate Reconciliation, Percent, Total	20.30%	19.00%
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount	$ 0.6
Domestic Tax Authority [Member] | California Franchise Tax Board [Member]
Open Tax Year	2016 2017 2018 2019
State and Local Jurisdiction [Member] | California Franchise Tax Board [Member]
Open Tax Year	2014 2015 2016 2017 2018

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Note 10 - Leases (Details Textual) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Dec. 31, 2018
Operating Lease, Weighted Average Discount Rate, Percent	3.14%	3.14%
Operating Lease, Weighted Average Remaining Lease Term	5 years 5 months 19 days	5 years 5 months 19 days
Operating Lease, Right-of-Use Asset	$ 34,518	$ 34,518	$ 0
Operating Lease, Right-of-use Asset, Accumulated Amortization	6,200	6,200
Operating Lease, Expense	3,300	10,100
Operating Lease, Payments	$ 2,100	$ 6,200

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Note 8 - Loans (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Dec. 31, 2018
Impaired Financing Receivable, Recorded Investment, Total	$ 88,847		$ 88,847		$ 88,847	$ 106,886
Percentage Of Charge Off To Contractual Balances For Impaired Loans	1.90%		1.90%		1.90%	9.30%
Financing Receivable, Troubled Debt Restructuring, Subsequent Default					$ 0
Financing Receivable, Troubled Debt Restructuring, Commitment to Lend	$ 0		$ 0		0
Loans Receivable Held-for-sale, Net, Not Part of Disposal Group, Ending Balance	36,778		36,778		36,778	$ 0
Transfer of Portfolio Loans and Leases to Held-for-sale	75,300	$ 0	75,285	$ 0
Gain (Loss) on Sales of Loans, Net, Total	800		795	$ (0)
Increase (Decrease) in Loans Held-for-sale, Total	(120)		$ (120)
Minimum [Member]
Period Loan Is In Payment Default			60 days
Maximum [Member]
Period Loan Is In Payment Default			90 days
Nonaccrual Loans [Member]
Impaired Financing Receivable, Recorded Investment, Total	47,200		$ 47,200		47,200	41,800
Accruing Troubled Debt Restructuring [Member]
Impaired Financing Receivable, Recorded Investment, Total	41,600		41,600		41,600	65,100
Financing Receivable, Troubled Debt Restructuring	41,600		41,600		41,600	65,100
Troubled Debt Restructuring, Specific Reserves	1,200		1,200		1,200	1,500
Non-accruing Troubled Debt Restructuring [Member]
Financing Receivable, Troubled Debt Restructuring	19,800		19,800		19,800	24,200
Troubled Debt Restructuring, Specific Reserves	$ 141		$ 141		$ 141	$ 826

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Note 4 - Cash, Cash Equivalents and Restricted Cash (Details Textual) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018	Jan. 01, 2018
Average Reserve Balances Required to be Maintained with Federal Bank	$ 144		$ 5,400
Margin Deposit Assets	9,100		1,800
Restricted Cash, Total	27,400		$ 7,800
Payments for (Proceeds from) Short-term Investments, Total	(0)	$ (5,000)
Net Cash Provided by (Used in) Investing Activities, Total	$ (999,659)	(801,148)
Previously Reported [Member]
Payments for (Proceeds from) Short-term Investments, Total		0
Net Cash Provided by (Used in) Investing Activities, Total		806,100
Cash and Cash Equivalents, Period Increase (Decrease), Total		$ 42,200
Cash and Cash Equivalents, at Carrying Value, Ending Balance				$ 539,800

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Note 7 - Investment Securities (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018	Jan. 01, 2018
Equity Securities, FV-NI, Unrealized Gain (Loss), Total	$ 400	$ 400	$ 7,764	$ (4,580)
Equity Securities, FV-NI	32,862		32,862		$ 25,098
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Total			0	$ 0
Pledged Investment Securities	$ 20,800		$ 20,800		$ 28,500
Accounting Standards Update 2016-01 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption						$ 8,600

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Note 17 - Balance Sheet Offsetting

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Supplemental Balance Sheet Disclosures [Text Block]

17. 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 September 30, 2019, and December 31, 2018, are set forth in the following table:

							Gross Amounts Not Offset in the
							Balance Sheet
	Gross Amounts Recognized		Gross Amounts Offset in the Balance Sheet		Net Amounts Presented in the Balance Sheet		Financial Instruments		Collateral Posted			Net Amount
	(In thousands)
September 30, 2019
Assets:
Derivatives	$	1,697	$	—	$	1,697	$	—	$	—		$	1,697
Liabilities:
Derivatives	$	17,734	$	—	$	17,734	$	—	$	(22,198	)	$	(4,464	)
December 31, 2018
Assets:
Derivatives	$	7,810	$	—	$	7,810	$	—	$	—		$	7,810
Liabilities:
Derivatives	$	1,543	$	—	$	1,543	$	—	$	(1,543	)	$	—

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Note 13 - Fair Value Measurements

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block]

13. Fair Value Measurements

The Company determined the fair values of our financial instruments based on the following:

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

Securities Available for Sale - For certain U.S. Treasury 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.

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. Equity securities are comprised of mutual funds, preferred stock of government-sponsored entities and other equity securities.

Foreign Exchange Contracts - The Company measures the fair value of foreign exchange contracts based on dealer quotes, a Level 2 measurement.

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

Interest Rate Swaps - Fair value of interest rate swaps is derived from third party models with observable market data, a Level 2 measurement.

Assets 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 nine months ended September 30, 2019 and December 31, 2018, 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.

The following tables present the Company’s hierarchy for its assets and liabilities measured at fair value on a recurring basis as of September 30, 2019, and December 31, 2018:

	September 30, 2019
	Fair Value Measurements Using						Total Fair Value
	Level 1		Level 2		Level 3		Measurements
	(In thousands)
Assets
Securities available-for-sale
U.S. government agency entities	$	—	$	92,954	$	—	$	92,954
U.S. government sponsored entities		—		347,699		—		347,699
Mortgage-backed securities		—		886,735		—		886,735
Collateralized mortgage obligations		—		665		—		665
Corporate debt securities		—		99,385		—		99,385
Total securities available-for-sale	$	—	$	1,427,438	$	—	$	1,427,438
Equity securities
Mutual funds	$	6,307	$	—	$	—	$	6,307
Preferred stock of government sponsored entities		15,145		—		—		15,145
Other equity securities		11,410		—		—		11,410
Total equity securities	$	32,862	$	—	$	—	$	32,862
Warrants	$	—	$	—	$	31	$	31
Interest rate swaps		—		1,697		—		1,697
Foreign exchange contracts		—		965		—		965
Total assets	$	32,862	$	1,430,100	$	31	$	1,462,993
Liabilities
Option contracts	$	—	$	6	$	—	$	6
Interest rate swaps		—		17,734		—		17,734
Foreign exchange contracts		—		2,435		—		2,435
Total liabilities	$	—	$	20,175	$	—	$	20,175

	December 31, 2018
	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	$	124,751	$	—	$	—	$	124,751
U.S. government agency entities		—		5,871		—		5,871
U.S. government sponsored entities		—		388,363		—		388,363
Mortgage-backed securities		—		656,744		—		656,744
Collateralized mortgage obligations		—		977		—		977
Corporate debt securities		—		65,803		—		65,803
Total securities available-for-sale	$	124,751	$	1,117,758	$	—	$	1,242,509
Equity securities
Mutual funds	$	6,094	$	—	$	—	$	6,094
Preferred stock of government sponsored entities		7,822		—		—		7,822
Other equity securities		11,182		—		—		11,182
Total equity securities	$	25,098	$	—	$	—	$	25,098
Warrants	$	—	$	—	$	184	$	184
Interest rate swaps		—		7,810		—		7,810
Foreign exchange contracts		—		397		—		397
Total assets	$	149,849	$	1,125,965	$	184	$	1,275,998
Liabilities
Option contracts	$	—	$	6	$	—	$	6
Interest rate swaps		—		1,543		—		1,543
Foreign exchange contracts		—		1,763		—		1,763
Total liabilities	$	—	$	3,312	$	—	$	3,312

The Company measured the fair value of its warrants on a recurring basis using significant unobservable inputs. The fair value adjustment of warrants was included in other operating income in the third quarter of 2019. The significant unobservable inputs in the Black-Scholes option pricing model for the fair value of warrants are their expected life ranging from 1 to 6 years, risk-free interest rate from 1.77% to 1.87%, and stock volatility from 13.86% to 20.46%.

For financial assets measured at fair value on a nonrecurring basis that were still reflected in the Condensed Consolidated Balance Sheets as of September 30, 2019, the following tables set forth the level of valuation assumptions used to determine each adjustment, the carrying value of the related individual assets as of September 30, 2019, and December 31, 2018, and the total losses for the periods indicated:

	As of September 30, 2019								Total Losses
	Fair Value Measurements Using						Total Fair		For the Three Months Ended				For the Nine Months Ended
	Level 1		Level 2		Level 3		Value Measurements		September 30, 2019		September 30, 2018		September 30, 2019		September 30, 2018
	(In thousands)
Assets
Impaired loans by type:
Commercial loans	$	—	$	—	$	12,491	$	12,491	$	—	$	—	$	—	$	—
Commercial mortgage loans		—		—		25,752		25,752		—		—		—		—
Residential mortgage loans and equity lines		—		—		5,696		5,696		—		—		—		—
Total impaired loans		—		—		43,939		43,939		—		—		—		—
Loans held-for-sale		—		—		36,778		36,778		120		—		120		—
Other real estate owned (1)		—		7,625		4,343		11,968		—		—		494		—
Investments in venture capital and private company stock		—		—		1,671		1,671		83		62		101		326
Total assets	$	—	$	7,625	$	86,731	$	94,356	$	203	$	62	$	715	$	326

⁽¹⁾ Other real estate owned balance of $11.3 million in the condensed consolidated balance sheet is net of estimated disposal costs. 

	As of December 31, 2018								Total Losses/(Gains)
	Fair Value Measurements Using						Total Fair Value		For the Twelve Months Ended
	Level 1		Level 2		Level 3		Measurements		December 31, 2018			December 31, 2017
	(In thousands)
Assets
Impaired loans by type:
Commercial loans	$	—	$	—	$	4,733	$	4,733	$	—		$	25
Commercial mortgage loans		—		—		26,186		26,186		—			—
Residential mortgage loans and equity lines		—		—		6,850		6,850		—			—
Total impaired loans		—		—		37,769		37,769		—			25
Other real estate owned (1)		—		9,023		4,343		13,366		(619	)		457
Investments in venture capital and private company stock		—		—		2,162		2,162		330			392
Total assets	$	—	$	9,023	$	44,274	$	53,297	$	(289	)	$	874

⁽¹⁾ Other real estate owned balance of $12.7 million in the Consolidated Balance Sheets is net of estimated disposal costs.

The significant unobservable (Level 3) inputs used in the fair value measurement of collateral for collateral-dependent impaired 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. During the 2018 reported period, collateral discounts ranged from 55% in the case of accounts receivable collateral to 65% in the case of inventory collateral. In the current year, the Company began using borrower specific collateral discounts with various discount levels.

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 impaired loans, quoted price, or loan sale price of loans held for sale, and appraised value of OREO.

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Note 21 - Subsequent Events

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Subsequent Events [Text Block]

21. Subsequent Events

The Company has evaluated the effect of events that have occurred subsequent to September 30, 2019, 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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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Securities available-for-sale, amortized cost	$ 1,422,431	$ 1,267,731
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)	90,041,474	89,826,317
Common stock, shares outstanding (in shares)	79,706,511	80,501,948
Treasury stock shares (in shares)	10,334,963	9,324,369

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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash Flows from Operating Activities
Net income	$ 211,758	$ 207,237
Adjustments to reconcile net income to net cash provided by operating activities:
Reversal for credit losses	(2,000)	(4,500)
Provision for losses on other real estate owned	494	0
Deferred tax liability	9,911	2,342
Depreciation and amortization	5,009	5,593
Amortization of right-of-use asset	6,248	0
Change in operating lease liabilities	(5,298)	0
Net gains on sale and transfer of other real estate owned	(193)	(567)
Net gains on sale of held-for-sale loans	(795)	0
Proceeds from sales of held-for sale loans	38,742	8,000
Amortization on alternative energy partnerships, venture capital and other investments	27,009	5,384
Net (gain)/loss on sales and calls of securities	108	14
Amortization/accretion of security premiums/discounts, net	2,376	2,371
Loss on sales or disposal of fixed assets	0	107
Unrealized (gain)/loss on equity securities	(7,764)	4,580
Stock based compensation and stock issued to officers as compensation	5,597	5,976
Net change in accrued interest receivable and other assets	(31,640)	(7,863)
Gain on acquisition	0	(340)
Net change in other liabilities	64,186	10,998
Net cash provided by operating activities	323,748	239,332
Cash Flows from Investing Activities
Decrease in interest-bearing deposits	0	5,000
Purchase of investment securities available-for-sale	(539,979)	(448,805)
Proceeds from sale of investment securities available-for-sale	149,725	99,644
Proceeds from repayments, maturities and calls of investment securities available-for-sale	233,058	346,328
Purchase of Federal Home Loan Bank stock	(975)	(5,430)
Redemptions of Federal Home Loan Bank stock	975	11,265
Net increase in loans	(803,291)	(771,290)
Purchase of premises and equipment	(5,125)	(4,496)
Proceeds from sales of other real estate owned	1,905	3,302
Net increase in investment in affordable housing and alternative energy partnerships	(35,952)	(36,666)
Net cash used for investing activities	(999,659)	(801,148)
Cash Flows from Financing Activities
Net increase in deposits	955,679	890,823
Net decrease in federal funds purchased and securities sold under agreements to repurchase	0	(100,000)
Advances from Federal Home Loan Bank	3,610,000	4,495,000
Repayment of Federal Home Loan Bank borrowings	(3,540,000)	(4,610,000)
Cash dividends paid	(74,422)	(58,498)
Repayment of other borrowings	(39,918)	(37,117)
Proceeds from other borrowings	25,507	29,554
Purchases of treasury stock	(36,301)	0
Proceeds from shares issued under Dividend Reinvestment Plan	2,522	1,982
Proceeds from exercise of stock options	0	838
Taxes paid related to net share settlement of RSUs	(2,300)	(3,550)
Net cash provided by financing activities	900,767	609,032
Decrease in cash, cash equivalents, and restricted cash	224,856	47,216
Cash, cash equivalents, and restricted cash, beginning of the period	600,290	534,801
Cash, cash equivalents, and restricted cash, end of the period	825,146	582,017
Supplemental disclosure of cash flow information
Interest	137,422	79,877
Income taxes paid	43,507	48,072
Non-cash investing and financing activities:
Net change in unrealized holding loss on securities available-for-sale, net of tax	21,292	(16,793)
Net change in unrealized holding loss on cash flow hedge derivatives	(4,119)	4,595
Transfers to other real estate owned from loans held for investment	860	1,646
Loans transferred from held for investment to held for sale, net	$ 75,285	$ 0

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Note 13 - Fair Value Measurements (Details Textual) $ in Thousands	Sep. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Other Real Estate, Foreclosed Assets, and Repossessed Assets, Total	$ 11,329	$ 12,674
Accounts Receivable Collateral [Member]
Collateral Discount Rates	55.00%
Inventory Collateral [Member]
Collateral Discount Rates	65.00%
Minimum [Member]
Estimated Sales Cost Applied To Collateral	3.00%
Maximum [Member]
Estimated Sales Cost Applied To Collateral	6.00%
Measurement Input, Expected Term [Member] | Minimum [Member]
Warrants and Rights Outstanding, Measurement Input	1
Measurement Input, Expected Term [Member] | Maximum [Member]
Warrants and Rights Outstanding, Measurement Input	6
Measurement Input, Risk Free Interest Rate [Member] | Minimum [Member]
Warrants and Rights Outstanding, Measurement Input	1.77
Measurement Input, Risk Free Interest Rate [Member] | Maximum [Member]
Warrants and Rights Outstanding, Measurement Input	1.87
Measurement Input, Price Volatility [Member] | Minimum [Member]
Warrants and Rights Outstanding, Measurement Input	13.86
Measurement Input, Price Volatility [Member] | Maximum [Member]
Warrants and Rights Outstanding, Measurement Input	20.46

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Note 10 - Leases - Lease Maturity Schedule (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Remaining 2019	$ 2,114
2020	8,543
2021	7,635
2022	6,428
2023	5,426
Thereafter	9,531
Total lease payments	39,677
Less amount of payment representing interest	(3,535)
Lease liabilities - operating leases	$ 36,142	$ 0

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Note 3 - Recent Accounting Pronouncements (Details Textual) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Operating Lease, Liability, Total	$ 36,142		$ 0
Operating Lease, Right-of-Use Asset	$ 34,518		$ 0
Accounting Standards Update 2016-02 [Member]
Operating Lease, Liability, Total		$ 41,200
Operating Lease, Right-of-Use Asset		$ 40,600

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Note 6 - Stock-based Compensation - Restricted Stock Units (Details)	9 Months Ended
	Sep. 30, 2019 $ / shares shares
Time-based Restricted Stock Units [Member]
Balance (in shares) | shares	284,493
Balance (in dollars per share) | $ / shares	$ 35.79
Granted (in shares) | shares	108,925
Granted (in dollars per share) | $ / shares	$ 36.37
Vested (in shares) | shares	(92,868)
Vested (in dollars per share) | $ / shares	$ 35.12
Forfeited (in shares) | shares	(17,002)
Forfeited (in dollars per share) | $ / shares	$ 38.42
Balance (in shares) | shares	283,548
Balance (in dollars per share) | $ / shares	$ 36.08
Performance-based Restricted Stock Units [Member]
Balance (in shares) | shares	265,659
Balance (in dollars per share) | $ / shares	$ 32.90
Granted (in shares) | shares	124,586
Granted (in dollars per share) | $ / shares	$ 36.37
Vested (in shares) | shares	(92,501)
Vested (in dollars per share) | $ / shares	$ 38.36
Forfeited (in shares) | shares	0
Forfeited (in dollars per share) | $ / shares	$ 0
Balance (in shares) | shares	297,744
Balance (in dollars per share) | $ / shares	$ 32.65

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Note 7 - Investment Securities - Temporarily Impaired Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Temporarily impaired securities, less than 12 months, fair value	$ 194,342	$ 176,667
Temporarily impaired securities, less than 12 months, unrealized losses	341	629
Temporarily impaired securities, 12 months or longer, fair value	498,778	899,523
Temporarily impaired securities, 12 months or longer, unrealized losses	3,649	26,371
Temporarily impaired securities, total fair value	693,120	1,076,190
Temporarily impaired securities, total unrealized losses	3,990	27,000
US Government Corporations and Agencies Securities [Member]
Temporarily impaired securities, less than 12 months, fair value	49,796	3,388
Temporarily impaired securities, less than 12 months, unrealized losses	108	77
Temporarily impaired securities, 12 months or longer, fair value	3,748	2,483
Temporarily impaired securities, 12 months or longer, unrealized losses	165	118
Temporarily impaired securities, total fair value	53,544	5,871
Temporarily impaired securities, total unrealized losses	273	195
US Treasury Securities [Member]
Temporarily impaired securities, less than 12 months, fair value		124,751
Temporarily impaired securities, less than 12 months, unrealized losses		50
Temporarily impaired securities, 12 months or longer, fair value		0
Temporarily impaired securities, 12 months or longer, unrealized losses		0
Temporarily impaired securities, total fair value		124,751
Temporarily impaired securities, total unrealized losses		50
US Government-sponsored Enterprises Debt Securities [Member]
Temporarily impaired securities, less than 12 months, fair value	0	0
Temporarily impaired securities, less than 12 months, unrealized losses	0	0
Temporarily impaired securities, 12 months or longer, fair value	347,699	388,362
Temporarily impaired securities, 12 months or longer, unrealized losses	2,301	11,638
Temporarily impaired securities, total fair value	347,699	388,362
Temporarily impaired securities, total unrealized losses	2,301	11,638
Collateralized Mortgage Backed Securities [Member]
Temporarily impaired securities, less than 12 months, fair value	115,727	48,528
Temporarily impaired securities, less than 12 months, unrealized losses	220	502
Temporarily impaired securities, 12 months or longer, fair value	146,666	507,701
Temporarily impaired securities, 12 months or longer, unrealized losses	1,165	14,587
Temporarily impaired securities, total fair value	262,393	556,229
Temporarily impaired securities, total unrealized losses	1,385	15,089
Collateralized Mortgage Obligations [Member]
Temporarily impaired securities, less than 12 months, fair value	0	0
Temporarily impaired securities, less than 12 months, unrealized losses	0	0
Temporarily impaired securities, 12 months or longer, fair value	665	977
Temporarily impaired securities, 12 months or longer, unrealized losses	18	28
Temporarily impaired securities, total fair value	665	977
Temporarily impaired securities, total unrealized losses	18	$ 28
Corporate Debt Securities [Member]
Temporarily impaired securities, less than 12 months, fair value	28,819
Temporarily impaired securities, less than 12 months, unrealized losses	13
Temporarily impaired securities, 12 months or longer, fair value	0
Temporarily impaired securities, 12 months or longer, unrealized losses	0
Temporarily impaired securities, total fair value	28,819
Temporarily impaired securities, total unrealized losses	$ 13

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Note 5 - Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

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

	Three months ended September 30,				Nine months ended September 30,
	2019		2018		2019		2018
	(In thousands, except share and per share data)
Net income	$	72,835	$	69,757	$	211,758	$	207,237
Weighted-average shares:
Basic weighted-average number of common shares outstanding		79,736,814		81,311,899		80,096,855		81,224,555
Dilutive effect of weighted-average outstanding common share equivalents
Warrants		—		234,105		—		268,988
RSUs		257,016		309,267		233,761		277,331
Diluted weighted-average number of common shares outstanding		79,993,830		81,855,271		80,330,616		81,770,874
Average stock options and restricted stock units with anti-dilutive effect		32,321		1,854		47,690		15,625
Earnings per common share:
Basic	$	0.91	$	0.86	$	2.64	$	2.55
Diluted	$	0.91	$	0.85	$	2.64	$	2.53

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Note 18 - Revenue From Contracts With Customers

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Revenue from Contract with Customer [Text Block]

18. Revenue from Contracts with Customers

On January 1, 2018, the Company adopted ASU 2014-09, Revenue from Contracts with Customers - Topic 606 and all subsequent ASUs that modified ASC 606, Revenue from Contracts with Customers. The Company adopted ASC 606 using the modified retrospective method applied to those contracts that were not completed as of January 1, 2018. The new standard did not materially impact the timing or measurement of the Company’s revenue recognition as it is consistent with the Company’s existing accounting for contracts within the scope of the new standard. There was no cumulative effect adjustment to retained earnings as a result of adopting this new standard.

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 September 30,				Nine months Ended September 30,
	2019		2018		2019		2018
	(In thousands)
Non-interest income, in-scope:
Fees and service charges on deposit accounts	$	1,892	$	2,027	$	5,940	$	6,421
Wealth management fees		2,049		1,528		6,258		4,252
Other service fees(1)		3,645		3,376		10,593		10,140
Total noninterest income		7,586		6,931		22,791		20,813
Noninterest income, not in-scope(2)		2,802		904		13,312		99
Total noninterest income	$	10,388	$	7,835	$	36,103	$	20,912

⁽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 tables are described in additional detail below:

Fees and Services Charges on Deposit Accounts

Fees and service charges on deposit accounts include charges for analysis, overdraft, cash checking, ATM, and safe deposit activities executed by our deposit clients, as well as interchange income earned through card payment networks for the acceptance of card based transactions. Fees earned from our deposit clients are governed by contracts that provide for overall custody and access to deposited funds and other related services and can be terminated at will by either party. Fees received from deposit clients for the various deposit activities are recognized as revenue by the Company once the performance obligations are met. The adoption of ASU 2014-09 had no impact to the recognition of fees and service charges on deposit accounts.

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 14 - Fair Value of Financial Instruments

9 Months Ended

Sep. 30, 2019

Notes to Financial Statements

Fair Value Disclosures [Text Block]

14. Fair Value of Financial Instruments

The Company uses the following methods and assumptions to estimate the fair value of each class of financial instruments.

Cash and Cash Equivalents - For cash and cash equivalents, the carrying amount is assumed to be a reasonable estimate of fair value, a Level 1 measurement.

Short-term Investments and interest-bearing deposits - For short-term investments and interest-bearing deposits, the carrying amount is assumed to be a reasonable estimate of fair value, a Level 1 measurement.

Securities Available for Sale - For certain U.S. Treasury 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.

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. Equity securities are comprised of mutual funds, preferred stock of government-sponsored entities and other equity securities.

Loans - Fair values are estimated for portfolios of loans with similar financial characteristics. Each loan category is further segmented into fixed and adjustable rate interest terms and by performing and non-performing categories. The fair values are based primarily on third-party vendor pricing to determine fair values based on the exit price notion.

The fair value of performing loans is calculated by discounting scheduled cash flows through the estimated maturity using estimated market discount rates that reflect the credit and interest rate risk inherent in the loan, a Level 3 measurement.

The fair value of impaired 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 impaired loans are recorded based on the current appraised value or adjusted appraised value of the collateral, a Level 2 or Level 3 measurement.

Loans Held-for-Sale – The Company records loans held for sale at fair value based on quoted prices from third party sale analysis, existing sale agreements, or appraisal reports adjusted by sales commission assumption, a Level 3 measurement.

FHLB Stock - These securities can only be redeemed or sold at their par value and only to the respective issuing government-supported institution or to another member institution. Management considers these non-marketable equity securities to be long-term investments. Accordingly, when evaluating these securities for impairment, management considers the ultimate recoverability of the par value rather than recognizing temporary declines in value.     

Deposit Liabilities - The fair value of demand deposits, savings accounts, and certain money market deposits is assumed to be the amount payable on demand at the reporting date. The fair value of fixed-maturity certificates of deposit is estimated using the rates currently offered for deposits with similar remaining maturities, a Level 3 measurement.

Advances from FHLB - The fair value of the advances is based on quotes from the FHLB to settle the advances, a Level 2 measurement.

Other Borrowings - This category includes borrowings from other financial institutions.  The fair value of other borrowings is calculated by discounting scheduled cash flows through the estimated maturity using estimated market discount rates that reflect the credit and interest rate risk, a Level 3 measurement. 

Long-term Debt - The fair value of long-term debt is estimated based on the quoted market prices or dealer quotes, a Level 2 measurement.

Currency Option and Foreign Exchange Contracts - The Company measures the fair value of currency option and foreign exchange contracts based on dealer quotes, a Level 2 measurement.

Interest Rate Swaps - Fair value of interest rate swaps is derived from third party models with observable market data, a Level 2 measurement.

Off-Balance-Sheet Financial Instruments - The fair value of commitments to extend credit, standby letters of credit, and financial guarantees written is estimated using the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the present creditworthiness of the counterparties. The fair value of guarantees and letters of credit is based on fees currently charged for similar agreements or on the estimated cost to terminate them or otherwise settle the obligations with the counterparties at the reporting date. The fair value of off-balance-sheet financial instruments is based on the assumptions that a market participant would use, a Level 3 measurement.

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

The following table sets forth the carrying and notional amounts and estimated fair value of financial instruments as of September 30, 2019 and December 31, 2018:

	September 30, 2019				December 31, 2018
	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
	(In thousands)
Financial Assets
Cash and due from banks	$	257,189	$	257,189	$	225,333	$	225,333
Short-term investments		567,957		567,957		374,957		374,957
Securities available-for-sale		1,427,438		1,427,438		1,242,509		1,242,509
Loans held-for-sale		36,778		36,778		—		—
Loans, net		14,601,565		15,004,114		13,871,832		13,928,162
Equity securities		32,862		32,862		25,098		25,098
Investment in Federal Home Loan Bank stock		17,250		17,250		17,250		17,250
Warrants		31		31		184		184

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Foreign exchange contracts	$	70,955	$	965	$	86,875	$	397
Interest rate swaps		139,466		1,697		467,410		7,810

	Carrying				Carrying
	Amount		Fair Value		Amount		Fair Value
Financial Liabilities
Deposits	$	14,658,269	$	14,703,977	$	13,702,340	$	13,754,028
Advances from Federal Home Loan Bank		600,000		603,014		530,000		529,500
Other borrowings		38,369		31,844		35,756		34,031
Long-term debt		160,386		113,409		189,448		132,615

	Notional				Notional
	Amount		Fair Value		Amount		Fair Value
Option contracts	$	1,172	$	6	$	1,215	$	6
Foreign exchange contracts		121,769		2,435		94,977		1,763
Interest rate swaps		581,496		17,734		265,166		1,543

	Notional					Notional
	Amount		Fair Value			Amount		Fair Value
Off-Balance Sheet Financial Instruments
Commitments to extend credit	$	3,097,207	$	(9,291	)	$	2,691,579	$	(8,843	)
Standby letters of credit		264,059		(2,537	)		245,087		(2,662	)
Other letters of credit		29,230		(28	)		35,759		(30	)
Bill of lading guarantees		743		—			730		—

The following tables set forth the level in the fair value hierarchy for the estimated fair values of financial instruments as of September 30, 2019, and December 31, 2018.

	As of September 30, 2019
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	257,189	$	257,189	$	—	$	—
Short-term investments		567,957		567,957		—		—
Securities available-for-sale		1,427,438		—		1,427,438		—
Loans held-for-sale		36,778		—		—		36,778
Loans, net		15,004,114		—		—		15,004,114
Equity securities		32,862		32,862		—		—
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Warrants		31		—		—		31
Financial Liabilities
Deposits		14,703,977		—		—		14,703,977
Advances from Federal Home Loan Bank		603,014		—		603,014		—
Other borrowings		31,844		—		—		31,844
Long-term debt		113,409		—		113,409		—

	As of December 31, 2018
	Estimated
	Fair Value
	Measurements		Level 1		Level 2		Level 3
	(In thousands)
Financial Assets
Cash and due from banks	$	225,333	$	225,333	$	—	$	—
Short-term investments		374,957		374,957		—		—
Securities available-for-sale		1,242,509		124,751		1,117,758		—
Loans, net		13,928,162		—		—		13,928,162
Equity securities		25,098		25,098		—		—
Investment in Federal Home Loan Bank stock		17,250		—		17,250		—
Warrants		184		—		—		184
Financial Liabilities
Deposits		13,754,028		—		—		13,754,028
Advances from Federal Home Loan Bank		529,500		—		529,500		—
Other borrowings		34,031		—		—		34,031
Long-term debt		132,615		—		132,615		—

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Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Assets
Cash and due from banks	$ 257,189	$ 225,333
Short-term investments and interest-bearing deposits	567,957	374,957
Securities available-for-sale (amortized cost of $1,422,431 at September 30, 2019 and $1,267,731 at December 31, 2018)	1,427,438	1,242,509
Loans held for sale	36,778	0
Loans	14,728,554	13,995,788
Less: Allowance for loan losses	(125,908)	(122,391)
Unamortized deferred loan fees, net	(1,081)	(1,565)
Loans, net	14,601,565	13,871,832
Equity securities	32,862	25,098
Federal Home Loan Bank stock	17,250	17,250
Other real estate owned, net	11,329	12,674
Affordable housing investments and alternative energy partnerships, net	321,929	282,734
Premises and equipment, net	103,820	103,189
Customers’ liability on acceptances	12,503	22,709
Accrued interest receivable	52,337	51,650
Goodwill	372,189	372,189
Other intangible assets, net	6,821	7,194
Right-of-use assets - operating leases	34,518	0
Other assets	148,481	175,419
Total assets	18,004,966	16,784,737
Deposits:
Non-interest-bearing demand deposits	2,939,924	2,857,443
Interest-bearing deposits:
NOW deposits	1,282,267	1,365,763
Money market deposits	2,095,328	2,027,404
Savings deposits	721,547	738,656
Time deposits	7,619,203	6,713,074
Total deposits	14,658,269	13,702,340
Advances from the Federal Home Loan Bank	600,000	530,000
Other borrowings of affordable housing investments	30,767	17,298
Long-term debt	160,386	189,448
Deferred payments from acquisition	7,602	18,458
Acceptances outstanding	12,503	22,709
Lease liabilities - operating leases	36,142	0
Other liabilities	253,403	182,618
Total liabilities	15,759,072	14,662,871
Commitments and contingencies	0	0
Stockholders’ Equity
Common stock, $0.01 par value, 100,000,000 shares authorized; 90,041,474 issued and 79,706,511 outstanding at September 30, 2019, and 89,826,317 issued and 80,501,948 outstanding at December 31, 2018	900	898
Additional paid-in-capital	947,880	942,062
Accumulated other comprehensive loss, net	(833)	(18,006)
Retained earnings	1,616,485	1,479,149
Treasury stock, at cost (10,334,963 shares at September 30, 2019, and 9,324,369 shares at December 31, 2018)	(318,538)	(282,237)
Total equity	2,245,894	2,121,866
Total liabilities and equity	$ 18,004,966	$ 16,784,737

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Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Retained Earnings [Member]
Cash dividends (in dollars per share)	$ 0.31	$ 0.24	$ 0.93	$ 0.72
Cash dividends (in dollars per share)	$ 0.31	$ 0.24	$ 0.93	$ 0.72

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Note 6 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2019

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, 2018		284,493		$	35.79		265,659		$	32.90
Granted		108,925			36.37		124,586			36.37
Vested		(92,868	)		35.12		(92,501	)		38.36
Forfeited		(17,002	)		38.42		—			—
Balance at September 30, 2019		283,548		$	36.08		297,744		$	32.65

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Note 13 - Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

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

	September 30, 2019
	Fair Value Measurements Using						Total Fair Value
	Level 1		Level 2		Level 3		Measurements
	(In thousands)
Assets
Securities available-for-sale
U.S. government agency entities	$	—	$	92,954	$	—	$	92,954
U.S. government sponsored entities		—		347,699		—		347,699
Mortgage-backed securities		—		886,735		—		886,735
Collateralized mortgage obligations		—		665		—		665
Corporate debt securities		—		99,385		—		99,385
Total securities available-for-sale	$	—	$	1,427,438	$	—	$	1,427,438
Equity securities
Mutual funds	$	6,307	$	—	$	—	$	6,307
Preferred stock of government sponsored entities		15,145		—		—		15,145
Other equity securities		11,410		—		—		11,410
Total equity securities	$	32,862	$	—	$	—	$	32,862
Warrants	$	—	$	—	$	31	$	31
Interest rate swaps		—		1,697		—		1,697
Foreign exchange contracts		—		965		—		965
Total assets	$	32,862	$	1,430,100	$	31	$	1,462,993
Liabilities
Option contracts	$	—	$	6	$	—	$	6
Interest rate swaps		—		17,734		—		17,734
Foreign exchange contracts		—		2,435		—		2,435
Total liabilities	$	—	$	20,175	$	—	$	20,175

	December 31, 2018
	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	$	124,751	$	—	$	—	$	124,751
U.S. government agency entities		—		5,871		—		5,871
U.S. government sponsored entities		—		388,363		—		388,363
Mortgage-backed securities		—		656,744		—		656,744
Collateralized mortgage obligations		—		977		—		977
Corporate debt securities		—		65,803		—		65,803
Total securities available-for-sale	$	124,751	$	1,117,758	$	—	$	1,242,509
Equity securities
Mutual funds	$	6,094	$	—	$	—	$	6,094
Preferred stock of government sponsored entities		7,822		—		—		7,822
Other equity securities		11,182		—		—		11,182
Total equity securities	$	25,098	$	—	$	—	$	25,098
Warrants	$	—	$	—	$	184	$	184
Interest rate swaps		—		7,810		—		7,810
Foreign exchange contracts		—		397		—		397
Total assets	$	149,849	$	1,125,965	$	184	$	1,275,998
Liabilities
Option contracts	$	—	$	6	$	—	$	6
Interest rate swaps		—		1,543		—		1,543
Foreign exchange contracts		—		1,763		—		1,763
Total liabilities	$	—	$	3,312	$	—	$	3,312

Fair Value Measurements, Nonrecurring [Table Text Block]

	As of September 30, 2019								Total Losses
	Fair Value Measurements Using						Total Fair		For the Three Months Ended				For the Nine Months Ended
	Level 1		Level 2		Level 3		Value Measurements		September 30, 2019		September 30, 2018		September 30, 2019		September 30, 2018
	(In thousands)
Assets
Impaired loans by type:
Commercial loans	$	—	$	—	$	12,491	$	12,491	$	—	$	—	$	—	$	—
Commercial mortgage loans		—		—		25,752		25,752		—		—		—		—
Residential mortgage loans and equity lines		—		—		5,696		5,696		—		—		—		—
Total impaired loans		—		—		43,939		43,939		—		—		—		—
Loans held-for-sale		—		—		36,778		36,778		120		—		120		—
Other real estate owned (1)		—		7,625		4,343		11,968		—		—		494		—
Investments in venture capital and private company stock		—		—		1,671		1,671		83		62		101		326
Total assets	$	—	$	7,625	$	86,731	$	94,356	$	203	$	62	$	715	$	326

	As of December 31, 2018								Total Losses/(Gains)
	Fair Value Measurements Using						Total Fair Value		For the Twelve Months Ended
	Level 1		Level 2		Level 3		Measurements		December 31, 2018			December 31, 2017
	(In thousands)
Assets
Impaired loans by type:
Commercial loans	$	—	$	—	$	4,733	$	4,733	$	—		$	25
Commercial mortgage loans		—		—		26,186		26,186		—			—
Residential mortgage loans and equity lines		—		—		6,850		6,850		—			—
Total impaired loans		—		—		37,769		37,769		—			25
Other real estate owned (1)		—		9,023		4,343		13,366		(619	)		457
Investments in venture capital and private company stock		—		—		2,162		2,162		330			392
Total assets	$	—	$	9,023	$	44,274	$	53,297	$	(289	)	$	874

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Note 19 - Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

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

	Three months ended September 30, 2019									Three months ended September 30, 2018
	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							$	2,209								$	(24,084	)
Cash flow hedge derivatives								(3,567	)								1,163
Total							$	(1,358	)							$	(22,921	)
Net unrealized gains/(losses) arising during the period
Securities available-for-sale	$	1,750		$	517		$	1,233		$	(3,603	)	$	(1,065	)	$	(2,538	)
Cash flow hedge derivatives		(1,126	)		(333	)		(793	)		2,365			699			1,666
Total	$	624		$	184		$	440		$	(1,238	)	$	(366	)	$	(872	)
Reclassification adjustment for net losses in net income
Securities available-for-sale		121			36			85			14			4			10
Cash flow hedge derivatives		—			—			—			—			—			—
Total		121			36			85			14			4			10
Total other comprehensive income/(loss)
Securities available-for-sale	$	1,871		$	553		$	1,318		$	(3,589	)	$	(1,061	)	$	(2,528	)
Cash flow hedge derivatives		(1,126	)		(333	)		(793	)		2,365			699			1,666
Total	$	745		$	220		$	525		$	(1,224	)	$	(362	)	$	(862	)
Ending balance, gain/(loss), net of tax
Securities available-for-sale							$	3,527								$	(26,612	)
Cash flow hedge derivatives								(4,360	)								2,829
Total							$	(833	)							$	(23,783	)

	Nine months ended September 30, 2019									Nine months ended September 30, 2018
	Pre-tax			Tax expense/ (benefit)			Net-of-tax			Pre-tax			Tax expense/ (benefit)			Net-of-tax
	(In thousands)
Beginning balance, loss, net of tax
Securities available-for-sale							$	(17,765	)							$	(1,060	)
Cash flow hedge derivatives								(241	)								(1,451	)
Total							$	(18,006	)							$	(2,511	)
Reclassification adjustment for stranded tax effects of Tax Cuts and Jobs Act (1)
Securities available-for-sale	$	—		$	—		$	—		$	—		$	200		$	(200	)
Cash flow hedge derivatives		—			—			—			—			315			(315	)
Total	$	—		$	—		$	—		$	—		$	515		$	(515	)
Reclassification adjustment for equity securities (2)
Equity securities	$	—		$	—		$	—		$	(12,151	)	$	(3,592	)	$	(8,559	)
Net unrealized gains/(losses) arising during the period
Securities available-for-sale	$	30,119		$	8,903		$	21,216		$	(23,854	)	$	(7,051	)	$	(16,803	)
Cash flow hedge derivatives		(5,848	)		(1,729	)		(4,119	)		6,523			1,928			4,595
Total	$	24,271		$	7,174		$	17,097		$	(17,331	)	$	(5,123	)	$	(12,208	)
Reclassification adjustment for net losses in net income
Securities available-for-sale		108			32			76			14			4			10
Cash flow hedge derivatives		—			—			—			—			—			—
Total		108			32			76			14			4			10
Total other comprehensive income/(loss)
Securities available-for-sale	$	30,227		$	8,935		$	21,292		$	(23,840	)	$	(7,047	)	$	(16,793	)
Cash flow hedge derivatives		(5,848	)		(1,729	)		(4,119	)		6,523			1,928			4,595
Total	$	24,379		$	7,206		$	17,173		$	(17,317	)	$	(5,119	)	$	(12,198	)
Ending balance, gain/(loss), net of tax
Securities available-for-sale							$	3,527								$	(26,612	)
Cash flow hedge derivatives								(4,360	)								2,829
Total							$	(833	)							$	(23,783	)

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Note 10 - Leases

9 Months Ended

Sep. 30, 2019

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 at lease when it is reasonably certain that the Company will exercise those options. The 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 September 30, 2019.

Accounting Policy Elections - The Company has elected the package of practical expedients that permits the Company to not reassess our prior conclusions about lease identification, lease classification and initial direct costs. The Company 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.

Significant Assumptions - The Company uses its incremental borrowing rate to determine the present value of its lease liabilities. The Company calculated a weighted average borrowing rate of 3.14% and a weighted average remaining lease term of 5.47 years as of September 30, 2019.

As of September 30, 2019, the Company recorded a ROU asset of $34.5 million, net of accumulated amortization of $6.2 million. Operating lease expense was $3.3 million and $10.1 million for the three and nine months ended September 30, 2019, respectively, and includes short-term leases that were immaterial. Operating cash flows from operating leases were $2.1 million and $6.2 million for the three and nine months ended September 30, 2019, respectively. The below maturity schedule represents the undiscounted lease payments for the 5-year period and thereafter as of September 30, 2019.

	As of September 30, 2019
	Operating Leases
	(In thousands)
Remaining 2019	$	2,114
2020		8,543
2021		7,635
2022		6,428
2023		5,426
Thereafter		9,531
Total lease payments		39,677
Less amount of payment representing interest		(3,535	)
Total present value of lease payments	$	36,142

The following table shows future minimum payments under operating leases with terms in excess of one year as of December 31, 2018.

	As of December 31, 2018
	Operating Leases
	(In thousands)
2019	$	8,835
2020		7,220
2021		6,406
2022		5,406
2023		4,208
Thereafter		4,899
Total minimum lease payments	$	36,974

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Note 6 - Stock-based Compensation

9 Months Ended

Sep. 30, 2019

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.

There were 35,880 stock option shares exercised in the nine months ended September 30, 2018 with no stock options outstanding thereafter. The Company received $838 thousand from the exercise of stock options for 35,880 shares at $23.37 per share that had an aggregate intrinsic value of $718 thousand in the nine months ended September 30, 2018.

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

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

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

The following table presents RSU activity during the nine months ended September 30, 2019:

	Time-Based RSUs					Performance-Based RSUs
				Weighted-Average					Weighted-Average
				Grant Date					Grant Date
	Shares			Fair Value		Shares			Fair Value
Balance at December 31, 2018		284,493		$	35.79		265,659		$	32.90
Granted		108,925			36.37		124,586			36.37
Vested		(92,868	)		35.12		(92,501	)		38.36
Forfeited		(17,002	)		38.42		—			—
Balance at September 30, 2019		283,548		$	36.08		297,744		$	32.65

The compensation expense recorded for RSUs was $1.8 million and $1.9 million for the three months ended September 30, 2019 and 2018, respectively. For the nine months ended September 30, 2019 and 2018, the compensation expense recorded for RSUs was $4.8 million and $5.3 million, respectively. Unrecognized stock-based compensation expense related to RSUs was $11.5 million and $11.8 million as of September 30, 2019 and 2018, respectively. As of September 30, 2019, these costs are expected to be recognized over the next 2.0 years for time-based and performance-based RSU’s.

As of September 30, 2019, 2,389,185 shares were available for future grants under the Company’s 2005 Incentive Plan, as amended and restated.

Tax benefit from share-based payment arrangements reduced income tax expense by $0.6 million and $0.8 million in the nine months ended September 30, 2019 and 2018, respectively.

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Note 16 - Financial Derivatives (Details Textual) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
	May 31, 2014	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Junior Subordinated Notes, Total	$ 119,100
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax		$ (793)	$ 1,666	$ (4,119)	$ 4,595
Cash [Member]
Collateral Already Posted, Aggregate Fair Value		9,100		9,100		$ 1,800
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative Outstanding, Notional Amount	$ 119,100	119,100		119,100		119,100
Derivative Original Maturity	10 years
Derivative, Average Fixed Interest Rate	2.61%
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax				4,400		241
Net Accrued on Interest Rate Swaps		$ 78	83	$ 41	480
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | London Interbank Offered Rate (LIBOR) [Member]
Derivative, Average Variable Interest Rate		2.37%		2.37%
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative Outstanding, Notional Amount		$ 584,000		$ 584,000		613,400
Derivative, Average Fixed Interest Rate		4.71%		4.71%
Derivative, Average Variable Interest Rate		5.01%		5.01%
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax				$ (9,800)		6,600
Net Accrued on Interest Rate Swaps		$ 205	$ 96	$ 1,400	$ 132
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member] | Minimum [Member]
Derivative Original Maturity				3 years
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member] | Maximum [Member]
Derivative Original Maturity				10 years
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member] | London Interbank Offered Rate (LIBOR) [Member]
Derivative, Basis Spread on Variable Rate		2.61%		2.61%
Negative Fair Value [Member]
Notional Amount Of Option Contract		$ 1,200		$ 1,200		1,200
Open Option Contracts Fair Value		6		6		6
Sum Of Spot And Forward Contract Notional Amount		121,800		121,800		95,000
Negative Fair Value		2,400		2,400		1,800
Positive Fair Value [Member]
Sum Of Spot And Forward Contract Notional Amount		71,000		71,000		86,900
Positive Fair Value		$ 965		$ 965		$ 397

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Note 19 - Stockholders' Equity - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Balance		$ 2,199,297	$ 2,064,836	$ 2,121,866	$ 1,973,304
Total other comprehensive (loss)/income, net of tax		525	(862)	17,173	(12,198)
Balance		2,245,894	2,116,777	2,245,894	2,116,777
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]
Net unrealized (losses)/gains arising during the period, pre-tax		1,750	(3,603)	30,119	(23,854)
Reclassification adjustment for net losses/(gains) included in net income, pre-tax		(121)	(14)	(108)	(14)
Total other comprehensive (loss)/income, pre-tax		1,871	(3,589)	30,227	(23,840)
Net unrealized (losses)/gains arising during the period, tax		517	(1,065)	8,903	(7,051)
Reclassification adjustment for net losses/(gains) included in net income, tax		(36)	(4)	(32)	(4)
Total other comprehensive (loss)/income, tax		553	(1,061)	8,935	(7,047)
Reclassification adjustment for stranded tax effects of Tax Cuts and Job Act, tax	[1]			0	200
Balance		2,209	(24,084)	(17,765)	(1,060)
Net unrealized (losses)/gains arising during the period, net of tax		1,233	(2,538)	21,216	(16,803)
Reclassification adjustment for net losses/(gains) included in net income, net of tax		(85)	(10)	(76)	(10)
Total other comprehensive (loss)/income, net of tax		1,318	(2,528)	21,292	(16,793)
Balance		3,527	(26,612)	3,527	(26,612)
Reclassification adjustment for stranded tax effects of Tax Cuts and Job Act, net of tax	[1]			0	(200)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Net unrealized (losses)/gains arising during the period, pre-tax		(1,126)	2,365	(5,848)	6,523
Reclassification adjustment for net losses/(gains) included in net income, pre-tax		0	0	0	0
Total other comprehensive (loss)/income, pre-tax		(1,126)	2,365	(5,848)	6,523
Net unrealized (losses)/gains arising during the period, tax		(333)	699	(1,729)	1,928
Reclassification adjustment for net losses/(gains) included in net income, tax		0	0	0	0
Total other comprehensive (loss)/income, tax		(333)	699	(1,729)	1,928
Reclassification adjustment for stranded tax effects of Tax Cuts and Job Act, tax	[1]			0	315
Balance		(3,567)	1,163	(241)	(1,451)
Net unrealized (losses)/gains arising during the period, net of tax		(793)	1,666	(4,119)	4,595
Reclassification adjustment for net losses/(gains) included in net income, net of tax		0	0	0	0
Total other comprehensive (loss)/income, net of tax		(793)	1,666	(4,119)	4,595
Balance		(4,360)	2,829	(4,360)	2,829
Reclassification adjustment for stranded tax effects of Tax Cuts and Job Act, net of tax	[1]			0	(315)
AOCI Attributable to Parent [Member]
Net unrealized (losses)/gains arising during the period, pre-tax		624	(1,238)	24,271	(17,331)
Reclassification adjustment for net losses/(gains) included in net income, pre-tax		(121)	(14)	(108)	(14)
Total other comprehensive (loss)/income, pre-tax		745	(1,224)	24,379	(17,317)
Reclassification adjustment for equity securities, pre-tax	[2]			0	(12,151)
Net unrealized (losses)/gains arising during the period, tax		184	(366)	7,174	(5,123)
Reclassification adjustment for net losses/(gains) included in net income, tax		(36)	(4)	(32)	(4)
Total other comprehensive (loss)/income, tax		220	(362)	7,206	(5,119)
Reclassification adjustment for stranded tax effects of Tax Cuts and Job Act, tax	[1]			0	515
Reclassification adjustment for equity securities, tax	[2]			0	(3,592)
Balance		(1,358)	(22,921)	(18,006)	(2,511)
Net unrealized (losses)/gains arising during the period, net of tax		440	(872)	17,097	(12,208)
Reclassification adjustment for net losses/(gains) included in net income, net of tax		(85)	(10)	(76)	(10)
Total other comprehensive (loss)/income, net of tax		525	(862)	17,173	(12,198)
Balance		$ (833)	$ (23,783)	(833)	(23,783)
Reclassification adjustment for stranded tax effects of Tax Cuts and Job Act, net of tax	[1]			0	(515)
Reclassification adjustment for equity securities, net of tax	[2]			$ 0	$ (8,559)

[1] These amounts were recorded as of January 1, 2018 as a result of the adoption of ASU 2018-2.

[2] This amount was recorded as of January 1, 2018 as a result of the adoption of ASU 2016-1.

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Note 8 - Loans - Allowance for Loan Losses by Portfolio Segment and Based on Impairment Method (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Loans individually evaluated for impairment, allowance	$ 1,501	$ 3,802
Loans individually evaluated for impairment, balance	88,847	106,886
Loans collectively evaluated for impairment, allowance	124,407	118,589
Loans collectively evaluated for impairment, balance	14,639,707	13,888,902
Loans, allowance	125,908	122,391
Loans	14,728,554	13,995,788
Commercial Portfolio Segment [Member]
Loans individually evaluated for impairment, allowance	744	1,837
Loans individually evaluated for impairment, balance	33,726	36,940
Loans collectively evaluated for impairment, allowance	57,805	53,141
Loans collectively evaluated for impairment, balance	2,634,335	2,705,025
Loans, allowance	58,549	54,978
Loans	2,668,061	2,741,965
Real Estate Construction Portfolio Segment [Member]
Loans individually evaluated for impairment, allowance	0	0
Loans individually evaluated for impairment, balance	4,629	4,873
Loans collectively evaluated for impairment, allowance	21,698	19,626
Loans collectively evaluated for impairment, balance	589,187	576,581
Loans, allowance	21,698	19,626
Loans	593,816	581,454
Commercial Real Estate Portfolio Segment [Member]
Loans individually evaluated for impairment, allowance	536	877
Loans individually evaluated for impairment, balance	37,805	51,471
Loans collectively evaluated for impairment, allowance	32,931	32,610
Loans collectively evaluated for impairment, balance	7,097,794	6,672,729
Loans, allowance	33,467	33,487
Loans	7,135,599	6,724,200
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans individually evaluated for impairment, allowance	221	1,088
Loans individually evaluated for impairment, balance	12,687	13,602
Loans collectively evaluated for impairment, allowance	11,948	13,194
Loans collectively evaluated for impairment, balance	4,313,304	3,930,218
Loans, allowance	12,169	14,282
Loans	4,325,991	3,943,820
Consumer Portfolio Segment [Member]
Loans individually evaluated for impairment, allowance	0	0
Loans individually evaluated for impairment, balance	0	0
Loans collectively evaluated for impairment, allowance	25	18
Loans collectively evaluated for impairment, balance	5,087	4,349
Loans, allowance	25	18
Loans	$ 5,087	$ 4,349

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Note 8 - Loans - Accruing Troubled Debt Restructurings (Details) - Accruing Troubled Debt Restructuring [Member] - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017
Accruing TDRs	$ 41,647	$ 64,898	$ 65,071	$ 74,598	$ 84,487	$ 68,566
Payment Deferral [Member]
Accruing TDRs	14,469		35,510
Contractual Interest Rate Reduction [Member]
Accruing TDRs	6,076		7,747
Rate Reduction and Payment Deferral [Member]
Accruing TDRs	21,102		21,814
Commercial Portfolio Segment [Member]
Accruing TDRs	10,756		18,135
Commercial Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs	10,756		18,135
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	25,475		40,860
Commercial Real Estate Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs	782		14,022
Commercial Real Estate Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	5,757		7,420
Commercial Real Estate Portfolio Segment [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	18,936		19,418
Residential Portfolio Segment [Member]
Accruing TDRs	5,416		6,076
Residential Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs	2,931		3,353
Residential Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	319		327
Residential Portfolio Segment [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	$ 2,166		$ 2,396

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Note 8 - Loans - Average Balance and Interest Income Recognized Related to Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Average Recorded Investment	$ 97,153	$ 123,851	$ 110,315	$ 127,756
Interest Income Recognized	618	1,145	1,976	3,188
Commercial Portfolio Segment [Member]
Average Recorded Investment	38,659	48,772	41,132	46,920
Interest Income Recognized	208	461	705	1,152
Real Estate Construction Portfolio Segment [Member]
Average Recorded Investment	4,662	5,980	4,734	7,490
Interest Income Recognized	0	0	0	0
Commercial Real Estate Portfolio Segment [Member]
Average Recorded Investment	40,699	55,375	51,323	59,314
Interest Income Recognized	332	576	1,034	1,757
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Average Recorded Investment	13,133	13,724	13,126	14,032
Interest Income Recognized	$ 78	$ 108	$ 237	$ 279