Cathay General Bancorp (CATY) 10-Q 5 Aug 19 2019 Q2 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2019	Jul. 31, 2019
Document Information [Line Items]
Entity Central Index Key	0000861842
Entity Shell Company	false
Entity Registrant Name	Cathay General Bancorp
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2019
Entity Small Business	false
Entity Emerging Growth Company	false
Document Quarterly Report	true
Document Transition Report	false
Document Type	10-Q
Document Period End Date	Jun. 30, 2019
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 Common Stock, Shares Outstanding		79,818,009

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Assets
Cash and due from banks	$ 206,123	$ 225,333
Short-term investments and interest-bearing deposits	351,603	374,957
Securities available-for-sale (amortized cost of $1,468,452 at June 30, 2019 and $1,267,731 at December 31, 2018)	1,471,584	1,242,509
Loans	14,593,510	13,995,788
Less: Allowance for loan losses	(122,651)	(122,391)
Unamortized deferred loan fees, net	(1,415)	(1,565)
Loans, net	14,469,444	13,871,832
Equity securities	32,498	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	301,410	282,734
Premises and equipment, net	102,919	103,189
Customers’ liability on acceptances	9,616	22,709
Accrued interest receivable	55,711	51,650
Goodwill	372,189	372,189
Other intangible assets, net	6,782	7,194
Right-of-use assets - operating leases	36,515	0
Other assets	161,033	175,419
Total assets	17,606,006	16,784,737
Deposits:
Non-interest-bearing demand deposits	2,758,344	2,857,443
Interest-bearing deposits:
NOW deposits	1,267,464	1,365,763
Money market deposits	1,909,097	2,027,404
Savings deposits	716,206	738,656
Time deposits	7,711,811	6,713,074
Total deposits	14,362,922	13,702,340
Advances from the Federal Home Loan Bank	550,000	530,000
Other borrowings of affordable housing investments	30,820	17,298
Long-term debt	169,761	189,448
Deferred payments from acquisition	18,843	18,458
Acceptances outstanding	9,616	22,709
Lease liabilities - operating leases	37,858	0
Other liabilities	226,889	182,618
Total liabilities	15,406,709	14,662,871
Commitments and contingencies	0	0
Stockholders’ Equity
Common stock, $0.01 par value, 100,000,000 shares authorized; 90,017,966 issued and 79,818,003 outstanding at June 30, 2019, and 89,826,317 issued and 80,501,948 outstanding at December 31, 2018	900	898
Additional paid-in-capital	945,250	942,062
Accumulated other comprehensive loss, net	(1,358)	(18,006)
Retained earnings	1,568,351	1,479,149
Treasury stock, at cost (10,199,963 shares at June 30, 2019, and 9,324,369 shares at December 31, 2018)	(313,846)	(282,237)
Total equity	2,199,297	2,121,866
Total liabilities and equity	$ 17,606,006	$ 16,784,737

Condensed Consolidated Balanc_2

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Securities available-for-sale, amortized cost	$ 1,468,452	$ 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)	90,017,966	89,826,317
Common stock, shares outstanding (in shares)	79,818,003	80,501,948
Treasury stock shares (in shares)	10,199,963	9,324,369

Condensed Consolidated Statemen

Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Interest and Dividend Income
Loans receivable, including loan fees	$ 182,291	$ 158,659	$ 360,568	$ 309,949
Investment securities	8,477	7,208	15,767	13,666
Federal Home Loan Bank stock	298	380	602	776
Deposits with banks	1,383	1,273	3,273	2,829
Total interest and dividend income	192,449	167,520	380,210	327,220
Interest Expense
Time deposits	39,491	18,730	73,614	34,458
Other deposits	5,588	4,832	10,965	9,418
Securities sold under agreements to repurchase	0	608	0	1,322
Advances from Federal Home Loan Bank	1,725	885	4,315	1,856
Long-term debt	2,007	2,163	4,139	4,245
Deferred payments from acquisition	192	271	409	547
Short-term borrowings	67	0	73	0
Total interest expense	49,070	27,489	93,515	51,846
Net interest income before reversal for credit losses	143,379	140,031	286,695	275,374
Reversal for credit losses	0	0	0	(3,000)
Net interest income after reversal for credit losses	143,379	140,031	286,695	278,374
Non-Interest Income
Net gains/(losses) from equity securities	3,237	(1,124)	7,400	(4,971)
Securities gains/(losses), net	13	0	13	0
Letters of credit commissions	1,577	1,376	3,131	2,651
Depository service fees	8,092	7,015	15,204	13,882
Gain from acquisition	0	0	0	340
Other operating income	6,724	6,274	12,673	12,371
Total non-interest income	12,794	7,767	25,715	13,077
Non-Interest Expense
Salaries and employee benefits	33,153	30,600	65,285	60,977
Occupancy expense	5,489	5,170	11,038	10,622
Computer and equipment expense	2,833	2,611	5,712	5,705
Professional services expense	6,000	5,730	11,257	11,769
Data processing service expense	3,081	3,151	6,491	6,370
FDIC and regulatory assessments	2,132	2,142	4,608	4,177
Marketing expense	979	3,400	3,120	4,258
Other real estate owned expense/(income)	369	(3)	649	(215)
Amortization of investments in low income housing and alternative energy partnerships	9,102	5,113	19,912	10,874
Amortization of core deposit intangibles	171	280	343	514
Acquisition and integration costs	0	1,735	0	1,904
Other operating expense	6,237	3,159	12,101	7,104
Total non-interest expense	69,546	63,088	140,516	124,059
Income before income tax expense	86,627	84,710	171,894	167,392
Income tax expense	14,383	11,046	32,971	29,912
Net income	72,244	73,664	138,923	137,480
Other Comprehensive Income, net of tax
Unrealized holding gains/(losses) on securities available-for-sale	11,175	(2,751)	19,974	(14,265)
Unrealized holding (losses)/gains on cash flow hedge derivatives	(2,102)	736	(3,326)	2,929
Total other comprehensive gain/(loss), net of tax	9,073	(2,015)	16,648	(11,336)
Total other comprehensive income	$ 81,317	$ 71,649	$ 155,571	$ 126,144
Net Income Per Common Share:
Basic (in dollars per share)	$ 0.90	$ 0.91	$ 1.73	$ 1.69
Diluted (in dollars per share)	0.90	0.90	1.73	1.68
Cash dividends (in dollars per share)	$ 0.31	$ 0.24	$ 0.62	$ 0.48
Average Common Shares Outstanding:
Basic (in shares)	80,106,329	81,236,315	80,279,859	81,180,160
Diluted (in shares)	80,302,679	81,774,986	80,501,800	81,727,977
Deposit Account [Member]
Non-Interest Income
Depository service fees	$ 1,243	$ 1,241	$ 2,498	$ 2,686

Condensed Consolidated Statem_2

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
Beginning balance, loss, net of tax at Dec. 31, 2017	$ 891	$ 932,874	$ (2,511)	$ 1,281,639	$ (239,589)	$ 1,973,304
Dividend Reinvestment Plan (in shares)	30,557
Dividend Reinvestment Plan	$ 0	1,325	0	0	0	1,325
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
Stock-based compensation	0	3,404	0	0	0	3,404
Cash dividends	0	0	0	(38,966)	0	(38,966)
Change in other comprehensive loss	0	0	(11,336)	0	0	(11,336)
Net income	0	0	0	137,480	0	137,480
Cumulative effect of changes in accounting principles	0	0	(8,556)	8,556	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
Warrants exercised (in shares)	190,336
Warrants exercised	$ 2	(2)	0	0	0	$ 0
Stock options exercised (in shares)	35,880					35,880
Stock options exercised	$ 0	838	0	0	0	$ 838
Balance (in shares) at Jun. 30, 2018	81,255,683
Ending balance, loss, net of tax at Jun. 30, 2018	$ 895	937,224	(22,921)	1,389,224	(239,589)	2,064,833
Balance (in shares) at Dec. 31, 2017	80,893,379
Beginning balance, loss, net of tax at Dec. 31, 2017	$ 891	932,874	(2,511)	1,281,639	(239,589)	1,973,304
Balance (in shares) at Dec. 31, 2018	80,501,948
Ending balance, loss, net of tax at Dec. 31, 2018	$ 898	942,062	(18,006)	1,479,149	(282,237)	2,121,866
Balance (in shares) at Mar. 31, 2018	81,206,998
Beginning balance, loss, net of tax at Mar. 31, 2018	$ 894	934,335	(20,906)	1,335,058	(239,589)	2,009,792
Dividend Reinvestment Plan (in shares)	15,286
Dividend Reinvestment Plan	$ 0	661	0	0	0	661
Restricted stock units vested (in shares)	17,339
Restricted stock units vested	$ 1	0	0	0	0	1
Shares withheld related to net share settlement of RSUs	$ 0	(327)	0	0	0	(327)
Stock issued to directors (in shares)	16,060
Stock issued to directors	$ 0	650	0	0	0	650
Stock-based compensation	0	1,905	0	0	0	1,905
Cash dividends	0	0	0	(19,498)	0	(19,498)
Change in other comprehensive loss	0	0	(2,015)	0	0	(2,015)
Net income	$ 0	0	0	73,664	0	73,664
Balance (in shares) at Jun. 30, 2018	81,255,683
Ending balance, loss, net of tax at Jun. 30, 2018	$ 895	937,224	(22,921)	1,389,224	(239,589)	2,064,833
Balance (in shares) at Dec. 31, 2018	80,501,948
Beginning balance, loss, net of tax at Dec. 31, 2018	$ 898	942,062	(18,006)	1,479,149	(282,237)	2,121,866
Dividend Reinvestment Plan (in shares)	47,290
Dividend Reinvestment Plan	$ 1	1,680	0	0	0	1,681
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
Purchases of treasury stock (in shares)	(875,594)
Purchases of treasury stock	$ 0	0	0	0	(31,609)	(31,609)
Stock-based compensation	0	3,059	0	0	0	3,059
Cash dividends	0	0	0	(49,721)	0	(49,721)
Change in other comprehensive loss	0	0	16,648	0	0	16,648
Net income	$ 0	0	0	138,923	0	138,923
Balance (in shares) at Jun. 30, 2019	79,818,003
Ending balance, loss, net of tax at Jun. 30, 2019	$ 900	945,250	(1,358)	1,568,351	(313,846)	2,199,297
Balance (in shares) at Mar. 31, 2019	80,362,840
Beginning balance, loss, net of tax at Mar. 31, 2019	$ 899	942,838	(10,431)	1,520,861	(290,838)	2,163,329
Dividend Reinvestment Plan (in shares)	24,345
Dividend Reinvestment Plan	$ 1	845	0	0	0	846
Restricted stock units vested (in shares)	51,552
Restricted stock units vested	$ 0	0	0	0	0	0
Shares withheld related to net share settlement of RSUs	$ 0	(707)	0	0	0	(707)
Stock issued to directors (in shares)	21,160
Stock issued to directors	$ 0	749	0	0	0	749
Purchases of treasury stock (in shares)	(641,894)
Purchases of treasury stock	$ 0	0	0	0	(23,008)	(23,008)
Stock-based compensation	0	1,525	0	0	0	1,525
Cash dividends	0	0	0	(24,754)	0	(24,754)
Change in other comprehensive loss	0	0	9,073	0	0	9,073
Net income	$ 0	0	0	72,244	0	72,244
Balance (in shares) at Jun. 30, 2019	79,818,003
Ending balance, loss, net of tax at Jun. 30, 2019	$ 900	$ 945,250	$ (1,358)	$ 1,568,351	$ (313,846)	$ 2,199,297

Condensed Consolidated Statem_3

Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Retained Earnings [Member]
Cash dividends (in dollars per share)	$ 0.31	$ 0.24	$ 0.62	$ 0.48
Cash dividends (in dollars per share)	$ 0.31	$ 0.24	$ 0.62	$ 0.48

Condensed Consolidated Statem_4

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash Flows from Operating Activities
Net income	$ 138,923	$ 137,480
Adjustments to reconcile net income to net cash provided by operating activities:
Reversal for credit losses	0	(3,000)
Provision for losses on other real estate owned	494	0
Deferred tax liability	8,592	2,432
Depreciation and amortization	3,308	3,868
Amortization of right-of-use asset	4,146	0
Change in operating lease liabilities	(3,477)	0
Net gains on sale and transfer of other real estate owned	(193)	(459)
Proceeds from sales of loans	0	8,000
Amortization on alternative energy partnerships, venture capital and other investments	19,929	(405)
Net gain on sales and calls of securities	(13)	0
Amortization/accretion of security premiums/discounts, net	1,165	1,719
Unrealized (gain)/loss on equity securities	(7,400)	4,971
Stock based compensation and stock issued to officers as compensation	3,808	4,054
Net change in accrued interest receivable and other assets	(46,292)	(8,043)
Gain on acquisition	0	(340)
Net change in other liabilities	50,533	(129)
Net cash provided by operating activities	173,523	150,148
Cash Flows from Investing Activities
Decrease in interest-bearing deposits	0	5,000
Purchase of investment securities available-for-sale	(425,661)	(448,805)
Proceeds from sale of investment securities available-for-sale	50,225	0
Proceeds from repayments, maturities and calls of investment securities available-for-sale	183,563	257,339
Purchase of Federal Home Loan Bank stock	(975)	(5,430)
Redemptions of Federal Home Loan Bank stock	975	11,265
Net increase in loans	(597,827)	(474,900)
Purchase of premises and equipment	(2,695)	(2,706)
Proceeds from sales of other real estate owned	1,905	2,785
Net increase in investment in affordable housing and alternative energy partnerships	(23,540)	(19,201)
Net cash used for investing activities	(814,030)	(674,653)
Cash Flows from Financing Activities
Net increase in deposits	660,368	414,198
Net decrease in federal funds purchased and securities sold under agreements to repurchase	0	(50,000)
Repayment of Federal Home Loan Bank borrowings	(3,180,000)	(2,400,000)
Cash dividends paid	(49,721)	(38,966)
Repayment of other borrowings	(19,687)	0
Proceeds from other borrowings	19,211	20,000
Purchases of treasury stock	(31,609)	0
Proceeds from shares issued under Dividend Reinvestment Plan	1,681	1,325
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	597,943	393,845
Decrease in cash, cash equivalents, and restricted cash	(42,564)	(130,660)
Cash, cash equivalents, and restricted cash, beginning of the period	600,290	534,801
Cash, cash equivalents, and restricted cash, end of the period	557,726	404,141
Supplemental disclosure of cash flow information
Interest	87,636	49,606
Income taxes paid	33,807	31,589
Non-cash investing and financing activities:
Net change in unrealized holding loss on securities available-for-sale, net of tax	19,974	(14,265)
Net change in unrealized holding loss on cash flow hedge derivatives	(3,326)	2,929
Transfers to other real estate owned from loans held for investment	860	715
Business Acquired During the Period [Member]
Cash Flows from Financing Activities
Advances from Federal Home Loan Bank	$ 3,200,000	$ 2,450,000

Note 1 - Business

Note 1 - Business	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Nature of Operations [Text Block]	1. Cathay General Bancorp (“Bancorp”) is the holding company for Cathay Bank (the “Bank” and, together, with Bancorp, the “Company”), nine 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 1962 June 30, 2019, not

Note 2 - Basis of Presentation

Note 2 - Basis of Presentation	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	2. 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 10 X. not not may December 31, 2019. 10 December 31, 2018. The preparation of the Condensed Consolidated Financial Statements in accordance with GAAP requires management of the Company to make estimates and judgements 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.

Note 3 - Recent Accounting Pron

Note 3 - Recent Accounting Pronouncements	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]	3. Accounting Standards A dopted in 201 9 In February 2016, 2016 02, 842 842 No. 2018 01, 842”; No. 2018 10, 842, No. 2018 11, 12 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, financial information will not not 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 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. The Company elected the short-term lease recognition exemption for all leases that qualify. This means, for those leases that qualify, we will not not not 10. In March 2017, 2017 08, 310 20 not December 15, 2018. not 2017 8. In August 2017, 2017 12, 815 2017 12 January 1, 2019 not In October 2018, 2018 16, 815 815 2018 16 January 1, 2019 not In March 2019, 2016 02, 842 not 842 may 820, 1 942, 2 3 1 2. not 3 842. December 15, 2019, 842 January 1, 2019 842 10 65 1 Other Accounting Standards In June 2016, 2016 13, 326 not 2016 13 December 15, 2019. 2016 13 not 2016 13 In January 2017, 2017 04, 350 2 2 December 15, 2019. 2017 04 not In July 2017, 2017 11, 260 480 815 two 480, December 15, 2020. first 250 10 45 5 45 10. not not In August 2018, No. 2018 13, no 1 2 3 No. 2018 13 December 15, 2019; No. 2018 13 not In April 2019, No. 2019 04, 326, 815, 825, 2016 13 2017 12 2016 01 2016 01 2016 13 December 15, 2019 2017 12 2017 12 2016 01 not 2019 04 2016 13 2019 04 In May 2019, No. 2019 05, 326 2016 13, 1 2 326 20 825 10. not 2019 05 2016 13 first 2020 not 2019 05 not

Note 4 - Cash, Cash Equivalents

Note 4 - Cash, Cash Equivalents and Restricted Cash	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Cash and Cash Equivalents Disclosure [Text Block]	4. 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 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 $161 thousand and $5.4 million for the six June 30, 2019 December 31, 2018, June 30, 2019 December 31, 2018, June 30, 2019 December 31, 2018, In the unaudited condensed consolidated statement of cash flows, the amounts for the six June 30, 2018

Note 5 - Earnings Per Share

Note 5 - Earnings Per Share	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Earnings Per Share [Text Block]	5. 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 Three months ended June 30, Six months ended June 30, 2019 2018 2019 2018 (In thousands, except share and per share data) Net income $ 72,244 $ 73,664 $ 138,923 $ 137,480 Weighted-average shares: Basic weighted-average number of common shares outstanding 80,106,329 81,236,315 80,279,859 81,180,160 Dilutive effect of weighted-average outstanding common share equivalents Warrants — 278,080 — 286,718 RSUs 196,350 260,591 221,941 261,099 Diluted weighted-average number of common shares outstanding 80,302,679 81,774,986 80,501,800 81,727,977 Average stock options and restricted stock units with anti-dilutive effect 66,339 6,521 55,502 22,624 Earnings per common share: Basic $ 0.90 $ 0.91 $ 1.73 $ 1.69 Diluted $ 0.90 $ 0.90 $ 1.73 $ 1.68

Note 6 - Stock-based Compensati

Note 6 - Stock-based Compensation	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Share-based Payment Arrangement [Text Block]	6. Pursuant to the Company’s 2005 may There were 35,880 stock option shares exercised in the six June 30, 2018 six June 30, 2018. RSUs are granted at no one three 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 0 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 3 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 six June 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 18,818 38.36 35,092 38.36 Vested (92,868 ) 35.12 (92,501 ) 38.36 Forfeited (16,672 ) 38.31 — — Balance at June 30, 2019 193,771 $ 36.14 208,250 $ 31.39 The compensation expense recorded for RSUs was $1.5 million and $1.9 million for the three June 30, 2019 2018, six June 30, 2019 2018, June 30, 2019 2018, June 30, 2019, As of June 30, 2019, 2005 Tax benefit from share-based payment arrangements reduced income tax expense by $0. six June 30, 2019 2018,

Note 7 - Investment Securities

Note 7 - Investment Securities	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	7. The following tables set forth the amortized cost, gross unrealized gains, gross unrealized losses, and fair value of securities available-for-sale as of June 30, 2019, December 31, 2018: June 30, 2019 Gross Gross Amortized Unrealized Unrealized Cost Gains Losses Fair Value (In thousands) Securities Available-for-Sale U.S. treasury securities $ 49,750 $ 41 $ — $ 49,791 U.S. government agency entities 76,695 715 158 77,252 U.S. government sponsored entities 400,000 — 1,660 398,340 Mortgage-backed securities 842,315 6,336 2,546 846,105 Collateralized mortgage obligations 795 — 18 777 Corporate debt securities 98,897 465 43 99,319 Total $ 1,468,452 $ 7,557 $ 4,425 $ 1,471,584 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 June 30, 2019, may may Securities Available-For-Sale Amortized Cost Fair Value (In thousands) Due in one year or less $ 69,741 $ 69,890 Due after one year through five years 479,550 478,222 Due after five years through ten years 23,551 23,637 Due after ten years 895,610 899,835 Total $ 1,468,452 $ 1,471,584 Equity Securities 2016 01 January 1, 2018. three June 30, 2019, three June 30, 2018. six June 30, 2019, six June 30, 2018. June 30, 2019 December 31, 2018, 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 June 30, 2019 December 31, 2018: June 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 $ 23,606 $ 7 $ 4,334 $ 151 $ 27,940 $ 158 U.S. government sponsored entities — — 398,340 1,660 398,340 1,660 Mortgage-backed securities 2,874 7 360,270 2,539 363,144 2,546 Collateralized mortgage obligations — — 777 18 777 18 Corporate debt securities 33,863 43 — — 33,863 43 Total $ 60,343 $ 57 $ 763,721 $ 4,368 $ 824,064 $ 4,425 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, no not six June 30, 2019 2018. Securities available-for-sale having a carrying value of $21.8 million and $28.5 million as of June 30, 2019 December 31, 2018,

Note 8 - Loans

Note 8 - Loans	6 Months Ended
	Jun. 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 The types of loans in the Company’s Condensed Consolidated Balance Sheets as of June 30, 2019, December 31, 2018, June 30, 2019 December 31, 2018 (In thousands) Commercial loans $ 2,772,982 $ 2,741,965 Residential mortgage loans 3,967,135 3,693,853 Commercial mortgage loans 6,945,562 6,724,200 Equity lines 302,351 249,967 Real estate construction loans 598,849 581,454 Installment and other loans 6,631 4,349 Gross loans $ 14,593,510 $ 13,995,788 Allowance for loan losses (122,651 ) (122,391 ) Unamortized deferred loan fees, net (1,415 ) (1,565 ) Total loans, net $ 14,469,444 $ 13,871,832 As of June 30, 2019, December 31, 2018, June 30, 2019 December 31, 2018, The following table presents the average recorded investment and interest income recognized on impaired loans for the periods indicated: Three Months Ended June 30, Six Months Ended June 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 $ 46,792 $ 587 $ 46,763 $ 498 $ 42,388 $ 820 $ 45,978 $ 825 Real estate construction loans 4,726 — 8,378 — 4,771 — 8,258 — Commercial mortgage loans 54,404 448 64,004 633 56,724 942 61,316 1,264 Residential mortgage loans and equity lines 12,983 81 14,664 93 13,123 165 14,189 186 Total impaired loans $ 118,905 $ 1,116 $ 133,809 $ 1,224 $ 117,006 $ 1,927 $ 129,741 $ 2,275 The following table presents impaired loans and the related allowance for loan losses as of the dates indicated: June 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 $ 45,022 $ 40,260 $ — $ 32,015 $ 30,368 $ — Real estate construction loans 5,776 4,702 — 5,776 4,873 — Commercial mortgage loans 33,410 23,436 — 34,129 24,409 — Residential mortgage loans and equity lines 7,043 6,997 — 5,685 5,665 — Subtotal $ 91,251 $ 75,395 $ — $ 77,605 $ 65,315 $ — With allocated allowance Commercial loans $ 12,577 $ 12,563 $ 832 $ 6,653 $ 6,570 $ 1,837 Commercial mortgage loans 25,761 25,704 620 27,099 27,063 877 Residential mortgage loans and equity lines 7,055 5,984 234 8,934 7,938 1,088 Subtotal $ 45,393 $ 44,251 $ 1,686 $ 42,686 $ 41,571 $ 3,802 Total impaired loans $ 136,644 $ 119,646 $ 1,686 $ 120,291 $ 106,886 $ 3,802 The following tables present the aging of the loan portfolio by type as of June 30, 2019, December 31, 2018: June 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 $ 4,998 $ 970 $ — $ 28,070 $ 34,038 $ 2,738,944 $ 2,772,982 Real estate construction loans 2,827 — — 4,702 7,529 591,320 598,849 Commercial mortgage loans 4,930 4,264 14,469 14,515 38,178 6,907,384 6,945,562 Residential mortgage loans and equity lines — 511 — 7,461 7,972 4,261,514 4,269,486 Installment and other loans — — — — — 6,631 6,631 Total loans $ 12,755 $ 5,745 $ 14,469 $ 54,748 $ 87,717 $ 14,505,793 $ 14,593,510 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 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 As of June 30, 2019, December 31, 2018. June 30, 2019, December 31, 2018. three six June 30, 2019 2018, June 30, 2019 2018, three six June 30, 2019 2018: Three Months Ended June 30, 2019 June 30, 2019 No. of Contracts Pre-Modification Outstanding Recorded Investment Post-Modification Outstanding Recorded Investment Charge-offs Specific Reserve (In thousands) Commercial loans 19 $ 16,405 $ 15,551 $ 811 $ 37 Total 19 $ 16,405 $ 15,551 $ 811 $ 37 Three Months Ended June 30, 2018 June 30, 2018 No. of Contracts Pre-Modification Outstanding Recorded Investment Post-Modification Outstanding Recorded Investment Charge-offs Specific Reserve (In thousands) Commercial loans 15 $ 5,127 $ 5,127 $ — $ — Total 15 $ 5,127 $ 5,127 $ — $ — Six Months Ended June 30, 2019 June 30, 2019 No. of Contracts Pre-Modification Outstanding Recorded Investment Post-Modification Outstanding Recorded Investment Charge-offs Specific Reserve (In thousands) Commercial loans 20 $ 18,352 $ 16,381 $ 811 $ 37 Total 20 $ 18,352 $ 16,381 $ 811 $ 37 Six Months Ended June 30, 2018 June 30, 2018 No. of Contracts Pre-Modification Outstanding Recorded Investment Post-Modification Outstanding Recorded Investment Charge-offs Specific Reserve (In thousands) Commercial loans 18 $ 7,590 $ 7,590 $ — $ — Commercial mortgage loans 6 14,287 14,287 — 126 Residential mortgage loans and equity lines 2 801 801 — 8 Total 26 $ 22,678 $ 22,678 $ — $ 134 Modifications of the loan terms in the six June 30, 2019 three twelve We expect that the TDRs on accruing status as of June 30, 2019, June 30, 2019, December 31, 2018, June 30, 2019 Payment Deferral Rate Reduction Rate Reduction and Payment Deferral Total (In thousands) Accruing TDRs Commercial loans $ 24,753 $ — $ — $ 24,753 Commercial mortgage loans 9,761 5,775 19,090 34,626 Residential mortgage loans 3,010 321 2,188 5,519 Total accruing TDRs $ 37,524 $ 6,096 $ 21,278 $ 64,898 June 30, 2019 Payment Deferral Rate Reduction Rate Reduction and Payment Deferral Total (In thousands) Non-accrual TDRs Commercial loans $ 16,278 $ — $ — $ 16,278 Commercial mortgage loans — — 4,417 4,417 Residential mortgage loans 1,658 — 104 1,762 Total non-accrual TDRs $ 17,936 $ — $ 4,521 $ 22,457 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 Reductio 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 June 30, Six Months Ended June 30, 2019 2018 2019 2018 (In thousands) Accruing TDRs Beginning balance $ 62,948 $ 82,785 $ 65,071 $ 68,566 New restructurings 13,244 5,127 15,192 22,447 Restructured loans restored to accrual status — — — 2,318 Payments (9,998 ) (2,855 ) (14,069 ) (6,746 ) Restructured loans placed on non-accrual status (1,296 ) (570 ) (1,296 ) (2,098 ) Ending balance $ 64,898 $ 84,487 $ 64,898 $ 84,487 Three Months Ended June 30, Six Months Ended June 30, 2019 2018 2019 2018 (In thousands) Non-accrual TDRs Beginning balance $ 23,301 $ 31,195 $ 24,189 $ 33,415 New restructurings 3,160 — 3,160 231 Restructured loans placed on non-accrual status 1,296 570 1,296 2,098 Charge-offs (811 ) (161 ) (1,218 ) (161 ) Payments (4,489 ) (1,257 ) (4,970 ) (2,918 ) Restructured loans restored to accrual status — — — (2,318 ) Ending balance $ 22,457 $ 30,347 $ 22,457 $ 30,347 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 twelve June 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 June 30, 2019, 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 – ● Special Mention – not may ● Substandard – may not not ● Doubtful – may ● Loss – no The following tables set forth the loan portfolio by risk rating as of June 30, 2019, December 31, 2018: June 30, 2019 Pass/Watch Special Mention Substandard Doubtful Total (In thousands) Commercial loans $ 2,568,884 $ 111,658 $ 92,440 $ — $ 2,772,982 Real estate construction loans 538,843 55,303 4,703 — 598,849 Commercial mortgage loans 6,632,331 222,932 90,299 — 6,945,562 Residential mortgage loans and equity lines 4,260,303 939 8,244 — 4,269,486 Installment and other loans 6,631 — — — 6,631 Total gross loans $ 14,006,992 $ 390,832 $ 195,686 $ — $ 14,593,510 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 June 30, 2019, December 31, 2018: June 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 $ 832 $ — $ 620 $ 234 $ — $ 1,686 Balance $ 52,823 $ 4,702 $ 49,140 $ 12,981 $ — $ 119,646 Loans collectively evaluated for impairment Allowance $ 53,461 $ 21,010 $ 32,534 $ 13,930 $ 30 $ 120,965 Balance $ 2,720,159 $ 594,147 $ 6,896,422 $ 4,256,505 $ 6,631 $ 14,473,864 Total allowance $ 54,293 $ 21,010 $ 33,154 $ 14,164 $ 30 $ 122,651 Total balance $ 2,772,982 $ 598,849 $ 6,945,562 $ 4,269,486 $ 6,631 $ 14,593,510 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 six June 30, 2019, June 30, 2018. one not Three months ended June 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) March 31, 2019 Ending Balance $ 54,750 $ 20,723 $ 33,073 $ 13,975 $ 34 $ 122,555 Provision/(reversal) for possible credit losses (100 ) 257 (180 ) 27 (4 ) — Charge-offs (1,713 ) — — — — (1,713 ) Recoveries 1,356 30 261 162 — 1,809 Net (charge-offs)/recoveries (357 ) 30 261 162 — 96 June 30, 2019 Ending Balance $ 54,293 $ 21,010 $ 33,154 $ 14,164 $ 30 $ 122,651 Residential Real Estate Commercial Mortgage Loans Installment Commercial Construction Mortgage and and Other Loans Loans Loans Equity Lines Loans Total (In thousands) March 31, 2018 Ending Balance $ 54,597 $ 21,864 $ 34,230 $ 11,372 $ 21 $ 122,084 Provision/(reversal) for possible credit losses 920 (1,245 ) (533 ) 860 (2 ) — Charge-offs (488 ) — (161 ) (229 ) — (878 ) Recoveries 150 44 440 59 — 693 Net (charge-offs)/recoveries (338 ) 44 279 (170 ) — (185 ) June 30, 2018 Ending Balance $ 55,179 $ 20,663 $ 33,976 $ 12,062 $ 19 $ 121,899 Six months ended June 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 862 310 (746 ) (438 ) 12 — Charge-offs (2,944 ) — — — — (2,944 ) Recoveries 1,397 1,074 413 320 — 3,204 Net (charge-offs)/recoveries (1,547 ) 1,074 413 320 — 260 June 30, 2019 Ending Balance $ 54,293 $ 21,010 $ 33,154 $ 14,164 $ 30 $ 122,651 Reserve for impaired loans $ 832 $ — $ 620 $ 234 $ — $ 1,686 Reserve for non-impaired loans $ 53,461 $ 21,010 $ 32,534 $ 13,930 $ 30 $ 120,965 Reserve for off-balance sheet credit commitments $ 2,090 $ 2,029 $ 137 $ 290 $ 4 $ 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 4,827 (4,263 ) (4,696 ) 1,135 (3 ) (3,000 ) Charge-offs (507 ) — (161 ) (229 ) — (897 ) Recoveries 1,063 88 1,223 143 — 2,517 Net recoveries/(charge-offs) 556 88 1,062 (86 ) — 1,620 June 30, 2018 Ending Balance $ 55,179 $ 20,663 $ 33,976 $ 12,062 $ 19 $ 121,899 Reserve for impaired loans $ 2,463 $ — $ 1,036 $ 334 $ — $ 3,833 Reserve for non-impaired loans $ 52,716 $ 20,663 $ 32,940 $ 11,728 $ 19 $ 118,066 Reserve for off-balance sheet credit commitments $ 1,606 $ 1,207 $ 77 $ 190 $ 8 $ 3,088

Note 9 - Commitments and Contin

Note 9 - Commitments and Contingencies	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	9. 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 not may not may In the normal course of business, the Company 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 The Company’s unfunded commitments related to investments in qualified affordable housing and alternative energy partnerships were $117.3 million and $113.0 million as of June 30, 2019 December 31, 2018,

Note 10 - Leases

Note 10 - Leases	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Lessee, Operating Leases [Text Block]	10. 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 not Accounting Policy Elections - not not not Significant Assumptions - June 30, 2019. As of June 30, 2019, three six June 30, 2019, three six June 30, 2019, 5 June 30, 2019. As of June 30, 2019 Operating Leases (In thousands) Remaining 2019 $ 4,208 2020 8,511 2021 7,603 2022 6,417 2023 5,416 Thereafter 9,521 Total lease payments 41,676 Less amount of payment representing interest (3,818 ) Total present value of lease payments $ 37,858 The following table shows future minimum payments under operating leases with terms in excess of one 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

Note 11 - Borrowed Funds

Note 11 - Borrowed Funds	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Debt Disclosure [Text Block]	11. Borrowing s from the F ederal H ome L oan B ank (“FHLB ”) - June 30, 2019, December 31, 2018. June 30, 2019 December 31, 2018. June 30, 2019, July 2019, December 2019, May 2021, June 2021, July 2021, May 2023. Other Borrowing s - $17.6 three June 30, 2019, July 2019 July 2020. Long-term Debt - October 12, 2017, one June 30, 2019, December 31, 2018. December 31, 2018, October 12, 2020. The Company established three 2003 two 2007 twenty may not, At June 30, 2019, December 31, 2018.

Note 12 - Income Taxes

Note 12 - Income Taxes	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Income Tax Disclosure [Text Block]	12. The effective tax rate for the first six 2019 first six 2018. first six 2019 $0. The Company’s tax returns are open for audit by the Internal Revenue Service back to 2015 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 not

Note 13 - Fair Value Measuremen

Note 13 - Fair Value Measurements	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block]	1 3 . Fair Value Measurement s The Company determined the fair values of our financial instruments based on the following: ● Level 1 ● Level 2 not not ● Level 3 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 1 2 Equity Securities – 1 Foreign Exchange Contracts 2 Warrants 3 Interest Rate Swaps third 2 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 six June 30, 2019 December 31, 2018, no The following tables present the Company’s hierarchy for its assets and liabilities measured at fair value on a recurring basis as of June 30, 2019, December 31, 2018: June 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. Treasury securities $ 49,791 $ — $ — $ 49,791 U.S. government agency entities — 77,252 — 77,252 U.S. government sponsored entities — 398,340 — 398,340 Mortgage-backed securities — 846,105 — 846,105 Collateralized mortgage obligations — 777 — 777 Corporate debt securities — 99,319 — 99,319 Total securities available-for-sale $ 49,791 $ 1,421,793 $ — $ 1,471,584 Equity securities Mutual funds $ 6,259 $ — $ — $ 6,259 Preferred stock of government sponsored entities 14,183 — — 14,183 Other equity securities 12,056 — — 12,056 Total equity securities $ 32,498 $ — $ — $ 32,498 Warrants $ — $ — $ 44 $ 44 Interest rate swaps — 1,440 — 1,440 Foreign exchange contracts — 638 — 638 Total assets $ 82,289 $ 1,423,871 $ 44 $ 1,506,204 Liabilities Option contracts $ — $ 14 $ — $ 14 Interest rate swaps — 13,779 — 13,779 Foreign exchange contracts — 876 — 876 Total liabilities $ — $ 14,669 $ — $ 14,669 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 second 2019. For financial assets measured at fair value on a nonrecurring basis that were still reflected in the Condensed Consolidated Balance Sheets as of June 30, 2019, June 30, 2019, December 31, 2018, As of June 30, 2019 Total Losses/(Gains) Fair Value Measurements Using Total Fair Value For the Three Months Ended For the Six Months Ended Level 1 Level 2 Level 3 Measurements June 30, 2019 June 30, 2018 June 30, 2019 June 30, 2018 (In thousands) Assets Impaired loans by type: Commercial loans $ — $ — $ 11,731 $ 11,731 $ — $ — $ — $ — Commercial mortgage loans — — 25,085 25,085 — — — — Residential mortgage loans and equity lines — — 5,750 5,750 — — — — Total impaired loans — — 42,566 42,566 — — — — Other real estate owned (1) — 7,625 4,343 11,968 422 (33 ) 494 — Investments in venture capital and private company stock — — 1,746 1,746 16 91 18 264 Total assets $ — $ 7,625 $ 48,655 $ 56,280 $ 438 $ 58 $ 512 $ 264 ( 1 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 The significant unobservable (Level 3 twelve The significant unobservable inputs used in the fair value measurement of other real estate owned (“OREO”) was 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.

Note 14 - Fair Value of Financi

Note 14 - Fair Value of Financial Instruments	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Fair Value Disclosures [Text Block]	1 4 . 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 - 1 Short-term Investments and interest - bearing deposits - 1 Securities Available for Sale 1 2 Equity Securities – 1 Loans - third The fair value of performing loans was 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 The fair value of impaired loans was 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 2 3 FHLB Stock - Deposit Liabilities - 3 Advanc es from - 2 Other Borrowings - 3 Long-term D ebt - 2 Currency Option and Foreign Exchange Contracts 2 Interest Rate Swaps third 2 Off-Balance-Sheet Financi al Instruments - 3 Fair value was estimated in accordance with ASC Topic 825. not one no The following table sets forth the carrying and notional amounts and estimated fair value of financial instruments as of June 30, 2019, December 31, 2018: June 30, 2019 December 31, 2018 Carrying Carrying Amount Fair Value Amount Fair Value (In thousands) Financial Assets Cash and due from banks $ 206,123 $ 206,123 $ 225,333 $ 225,333 Short-term investments 351,603 351,603 374,957 374,957 Securities available-for-sale 1,471,584 1,471,584 1,242,509 1,242,509 Loans, net 14,469,444 14,814,173 13,871,832 13,928,162 Equity securities 32,498 32,498 25,098 25,098 Investment in Federal Home Loan Bank stock 17,250 17,250 17,250 17,250 Warrants 44 44 184 184 Notional Notional Amount Fair Value Amount Fair Value Foreign exchange contracts $ 109,659 $ 638 $ 86,875 $ 397 Interest rate swaps 123,574 1,440 467,410 7,810 Carrying Carrying Amount Fair Value Amount Fair Value Financial Liabilities Deposits $ 14,362,922 $ 14,417,628 $ 13,702,340 $ 13,754,028 Advances from Federal Home Loan Bank 550,000 551,591 530,000 529,500 Other borrowings 49,663 43,084 35,756 34,031 Long-term debt 169,761 121,592 189,448 132,615 Notional Notional Amount Fair Value Amount Fair Value Option contracts $ 1,698 $ 14 $ 1,215 $ 6 Foreign exchange contracts 95,600 876 94,977 1,763 Interest rate swaps 584,226 13,779 265,166 1,543 Notional Notional Amount Fair Value Amount Fair Value Off-Balance Sheet Financial Instruments Commitments to extend credit $ 3,019,604 $ (8,916 ) $ 2,691,579 $ (8,843 ) Standby letters of credit 255,584 (2,630 ) 245,087 (2,662 ) Other letters of credit 24,086 (21 ) 35,759 (30 ) Bill of lading guarantees 188 — 730 — The following tables set forth the level in the fair value hierarchy for the estimated fair values of financial instruments as of June 30, 2019, December 31, 2018. As of June 30, 2019 Estimated Fair Value Measurements Level 1 Level 2 Level 3 (In thousands) Financial Assets Cash and due from banks $ 206,123 $ 206,123 $ — $ — Short-term investments 351,603 351,603 — — Securities available-for-sale 1,471,584 49,791 1,421,793 — Loans, net 14,814,173 — — 14,814,173 Equity securities 32,498 32,498 — — Investment in Federal Home Loan Bank stock 17,250 — 17,250 — Warrants 44 — — 44 Financial Liabilities Deposits 14,417,628 — — 14,417,628 Advances from Federal Home Loan Bank 551,591 — 551,591 — Other borrowings 43,084 — — 43,084 Long-term debt 121,592 — 121,592 — 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 —

Note 15 - Goodwill and Goodwill

Note 15 - Goodwill and Goodwill Impairment	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Goodwill and Intangible Assets Disclosure [Text Block]	1 5 . 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 As of June 30, 2019, no

Note 16 - Financial Derivatives

Note 16 - Financial Derivatives	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Derivative Instruments and Hedging Activities Disclosure [Text Block]	1 6 . Financial Derivatives It is our policy not may may may The Company follows ASC Topic 815 not third not 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 not not third In May 2014, five ten June 2014 June 2024, three three June 30, 2019 December 31, 2018, June 30, 2019 December 31, 2018, three June 30, 2019 2018, six June 30, 2019 2018, June 30, 2019, 2018, not As of June 30, 2019, one June 30, 2019, December 31, 2018, three June 30, 2019 2018, six June 30, 2019 2018, June 30, 2019, 2018, not 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 June 30, 2019 December 31, 2018. The Company enters into foreign exchange forward contracts with various counterparties to mitigate the risk of fluctuations in foreign currency exchange rates for foreign exchange certificates of deposit or foreign exchange contracts entered into with our clients. These contracts are not June 30, 2019, June 30, 2019, June 30, 2019. December 31, 2018, December 31, 2018, December 31, 2018.

Note 17 - Balance Sheet Offsett

Note 17 - Balance Sheet Offsetting	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Supplemental Balance Sheet Disclosures [Text Block]	1 7 . Balance Sheet Offsetting Certain financial instruments, including resell and repurchase agreements, securities lending arrangements and derivatives, may may not Financial instruments that are eligible for offset in the Condensed Consolidated Balance Sheets, as of June 30, 2019, December 31, 2018, 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) June 30, 2019 Assets: Derivatives $ 1,440 $ — $ 1,440 $ — $ — $ 1,440 Liabilities: Derivatives $ 13,779 $ — $ 13,779 $ — $ (16,065 ) $ (2,286 ) December 31, 2018 Assets: Derivatives $ 7,810 $ — $ 7,810 $ — $ — $ 7,810 Liabilities: Derivatives $ 1,543 $ — $ 1,543 $ — $ (1,543 ) $ —

Note 18 - Revenue From Contract

Note 18 - Revenue From Contracts With Customers	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Revenue from Contract with Customer [Text Block]	1 8 . Revenue from Contracts with Customers On January 1, 2018, 2014 09, 606 606, 606 not January 1, 2018. not no The following is a summary of revenue from contracts with customers that are in-scope and not 606: Three months Ended June 30, Six months Ended June 30, 2019 2018 2019 2018 (In thousands) Non-interest income, in-scope: Fees and service charges on deposit accounts 2,020 $ 2,076 $ 4,047 $ 4,394 $ Wealth management fees 2,513 1,423 4,209 2,724 Other service fees (1) 3,559 3,516 6,948 6,764 Total noninterest income 8,092 7,015 15,204 13,882 Noninterest income, not in-scope (2) 4,702 752 10,511 805 Total noninterest income 12,794 $ 7,767 $ 25,715 $ 13,077 $ ( 1 ( 2 606. The major revenue streams by fee type that are within the scope of ASC 606 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 no 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 not one one In addition, given the short term nature of the contracts, the Company also applies the practical expedient in ASC 606 10 32 18 not one

Note 19 - Stockholders' Equity

Note 19 - Stockholders' Equity	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Stockholders' Equity Note Disclosure [Text Block]	1 9 . Stockholders’ Equity Total equity was $2.20 billion as of June 30, 2019, December 31, 2018, Activity in accumulated other comprehensive income, net of tax, and reclassification out of accumulated other comprehensive income for the three six June 30, 2019, June 30, 2018, Three months ended June 30, 2019 Three months ended June 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 $ (8,966 ) $ (21,333 ) Cash flow hedge derivatives (1,465 ) 427 Total $ (10,431 ) $ (20,906 ) Net unrealized gains/(losses) arising during the period Securities available-for-sale $ 15,865 $ 4,690 $ 11,175 $ (3,905 ) $ (1,154 ) $ (2,751 ) Cash flow hedge derivatives (2,984 ) (882 ) (2,102 ) 1,045 309 736 Total $ 12,881 $ 3,808 $ 9,073 $ (2,860 ) $ (845 ) $ (2,015 ) Total other comprehensive income/(loss) Securities available-for-sale $ 15,865 $ 4,690 $ 11,175 $ (3,905 ) $ (1,154 ) $ (2,751 ) Cash flow hedge derivatives (2,984 ) (882 ) (2,102 ) 1,045 309 736 Total $ 12,881 $ 3,808 $ 9,073 $ (2,860 ) $ (845 ) $ (2,015 ) Ending balance, (loss)/gain, net of tax Securities available-for-sale $ 2,209 $ (24,084 ) Cash flow hedge derivatives (3,567 ) 1,163 Total $ (1,358 ) $ (22,921 ) Six months ended June 30, 2019 Six months ended June 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 $ 28,356 $ 8,382 $ 19,974 $ (20,251 ) $ (5,986 ) $ (14,265 ) Cash flow hedge derivatives (4,722 ) (1,396 ) (3,326 ) 4,158 1,229 2,929 Total $ 23,634 $ 6,986 $ 16,648 $ (16,093 ) $ (4,757 ) $ (11,336 ) Total other comprehensive income/(loss) Securities available-for-sale $ 28,356 $ 8,382 $ 19,974 $ (20,251 ) $ (5,986 ) $ (14,265 ) Cash flow hedge derivatives (4,722 ) (1,396 ) (3,326 ) 4,158 1,229 2,929 Total $ 23,634 $ 6,986 $ 16,648 $ (16,093 ) $ (4,757 ) $ (11,336 ) Ending balance, (loss)/gain, net of tax Securities available-for-sale $ 2,209 $ (24,084 ) Cash flow hedge derivatives (3,567 ) 1,163 Total $ (1,358 ) $ (22,921 ) ( 1 January 1, 2018 2018 2. ( 2 January 1, 2018 2016 1.

Note 20 - Stock Repurchase Prog

Note 20 - Stock Repurchase Program	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Treasury Stock [Text Block]	20. On October 26, 2018, 2018, October 2018 October 2018 six June 30, 2019. October 2018 On May 7, 2019, May 2019 June 30, 2019. June 30, 2019, may May 2019

Note 21 - Subsequent Events

Note 21 - Subsequent Events	6 Months Ended
	Jun. 30, 2019
Notes to Financial Statements
Subsequent Events [Text Block]	21. The Company has evaluated the effect of events that have occurred subsequent to June 30, 2019, no

Note 5 - Earnings Per Share (Ta

Note 5 - Earnings Per Share (Tables)	6 Months Ended
	Jun. 30, 2019
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three months ended June 30, Six months ended June 30, 2019 2018 2019 2018 (In thousands, except share and per share data) Net income $ 72,244 $ 73,664 $ 138,923 $ 137,480 Weighted-average shares: Basic weighted-average number of common shares outstanding 80,106,329 81,236,315 80,279,859 81,180,160 Dilutive effect of weighted-average outstanding common share equivalents Warrants — 278,080 — 286,718 RSUs 196,350 260,591 221,941 261,099 Diluted weighted-average number of common shares outstanding 80,302,679 81,774,986 80,501,800 81,727,977 Average stock options and restricted stock units with anti-dilutive effect 66,339 6,521 55,502 22,624 Earnings per common share: Basic $ 0.90 $ 0.91 $ 1.73 $ 1.69 Diluted $ 0.90 $ 0.90 $ 1.73 $ 1.68

Note 6 - Stock-based Compensa_2

Note 6 - Stock-based Compensation (Tables)	6 Months Ended
	Jun. 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 18,818 38.36 35,092 38.36 Vested (92,868 ) 35.12 (92,501 ) 38.36 Forfeited (16,672 ) 38.31 — — Balance at June 30, 2019 193,771 $ 36.14 208,250 $ 31.39

Note 7 - Investment Securities

Note 7 - Investment Securities (Tables)	6 Months Ended
	Jun. 30, 2019
Notes Tables
Schedule of Available-for-sale Securities Reconciliation [Table Text Block]	June 30, 2019 Gross Gross Amortized Unrealized Unrealized Cost Gains Losses Fair Value (In thousands) Securities Available-for-Sale U.S. treasury securities $ 49,750 $ 41 $ — $ 49,791 U.S. government agency entities 76,695 715 158 77,252 U.S. government sponsored entities 400,000 — 1,660 398,340 Mortgage-backed securities 842,315 6,336 2,546 846,105 Collateralized mortgage obligations 795 — 18 777 Corporate debt securities 98,897 465 43 99,319 Total $ 1,468,452 $ 7,557 $ 4,425 $ 1,471,584 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]	Securities Available-For-Sale Amortized Cost Fair Value (In thousands) Due in one year or less $ 69,741 $ 69,890 Due after one year through five years 479,550 478,222 Due after five years through ten years 23,551 23,637 Due after ten years 895,610 899,835 Total $ 1,468,452 $ 1,471,584
Schedule of Unrealized Loss on Investments [Table Text Block]	June 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 $ 23,606 $ 7 $ 4,334 $ 151 $ 27,940 $ 158 U.S. government sponsored entities — — 398,340 1,660 398,340 1,660 Mortgage-backed securities 2,874 7 360,270 2,539 363,144 2,546 Collateralized mortgage obligations — — 777 18 777 18 Corporate debt securities 33,863 43 — — 33,863 43 Total $ 60,343 $ 57 $ 763,721 $ 4,368 $ 824,064 $ 4,425 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

Note 8 - Loans (Tables)

Note 8 - Loans (Tables)	6 Months Ended
	Jun. 30, 2019
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	June 30, 2019 December 31, 2018 (In thousands) Commercial loans $ 2,772,982 $ 2,741,965 Residential mortgage loans 3,967,135 3,693,853 Commercial mortgage loans 6,945,562 6,724,200 Equity lines 302,351 249,967 Real estate construction loans 598,849 581,454 Installment and other loans 6,631 4,349 Gross loans $ 14,593,510 $ 13,995,788 Allowance for loan losses (122,651 ) (122,391 ) Unamortized deferred loan fees, net (1,415 ) (1,565 ) Total loans, net $ 14,469,444 $ 13,871,832
Impaired Financing Receivables [Table Text Block]	Three Months Ended June 30, Six Months Ended June 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 $ 46,792 $ 587 $ 46,763 $ 498 $ 42,388 $ 820 $ 45,978 $ 825 Real estate construction loans 4,726 — 8,378 — 4,771 — 8,258 — Commercial mortgage loans 54,404 448 64,004 633 56,724 942 61,316 1,264 Residential mortgage loans and equity lines 12,983 81 14,664 93 13,123 165 14,189 186 Total impaired loans $ 118,905 $ 1,116 $ 133,809 $ 1,224 $ 117,006 $ 1,927 $ 129,741 $ 2,275 June 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 $ 832 $ — $ 620 $ 234 $ — $ 1,686 Balance $ 52,823 $ 4,702 $ 49,140 $ 12,981 $ — $ 119,646 Loans collectively evaluated for impairment Allowance $ 53,461 $ 21,010 $ 32,534 $ 13,930 $ 30 $ 120,965 Balance $ 2,720,159 $ 594,147 $ 6,896,422 $ 4,256,505 $ 6,631 $ 14,473,864 Total allowance $ 54,293 $ 21,010 $ 33,154 $ 14,164 $ 30 $ 122,651 Total balance $ 2,772,982 $ 598,849 $ 6,945,562 $ 4,269,486 $ 6,631 $ 14,593,510 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
Schedule Of Impaired Loans And Related Allowance And Charge Off [Table Text Block]	June 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 $ 45,022 $ 40,260 $ — $ 32,015 $ 30,368 $ — Real estate construction loans 5,776 4,702 — 5,776 4,873 — Commercial mortgage loans 33,410 23,436 — 34,129 24,409 — Residential mortgage loans and equity lines 7,043 6,997 — 5,685 5,665 — Subtotal $ 91,251 $ 75,395 $ — $ 77,605 $ 65,315 $ — With allocated allowance Commercial loans $ 12,577 $ 12,563 $ 832 $ 6,653 $ 6,570 $ 1,837 Commercial mortgage loans 25,761 25,704 620 27,099 27,063 877 Residential mortgage loans and equity lines 7,055 5,984 234 8,934 7,938 1,088 Subtotal $ 45,393 $ 44,251 $ 1,686 $ 42,686 $ 41,571 $ 3,802 Total impaired loans $ 136,644 $ 119,646 $ 1,686 $ 120,291 $ 106,886 $ 3,802
Financing Receivable, Past Due [Table Text Block]	June 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 $ 4,998 $ 970 $ — $ 28,070 $ 34,038 $ 2,738,944 $ 2,772,982 Real estate construction loans 2,827 — — 4,702 7,529 591,320 598,849 Commercial mortgage loans 4,930 4,264 14,469 14,515 38,178 6,907,384 6,945,562 Residential mortgage loans and equity lines — 511 — 7,461 7,972 4,261,514 4,269,486 Installment and other loans — — — — — 6,631 6,631 Total loans $ 12,755 $ 5,745 $ 14,469 $ 54,748 $ 87,717 $ 14,505,793 $ 14,593,510 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 June 30, 2019 June 30, 2019 No. of Contracts Pre-Modification Outstanding Recorded Investment Post-Modification Outstanding Recorded Investment Charge-offs Specific Reserve (In thousands) Commercial loans 19 $ 16,405 $ 15,551 $ 811 $ 37 Total 19 $ 16,405 $ 15,551 $ 811 $ 37 Three Months Ended June 30, 2018 June 30, 2018 No. of Contracts Pre-Modification Outstanding Recorded Investment Post-Modification Outstanding Recorded Investment Charge-offs Specific Reserve (In thousands) Commercial loans 15 $ 5,127 $ 5,127 $ — $ — Total 15 $ 5,127 $ 5,127 $ — $ — Six Months Ended June 30, 2019 June 30, 2019 No. of Contracts Pre-Modification Outstanding Recorded Investment Post-Modification Outstanding Recorded Investment Charge-offs Specific Reserve (In thousands) Commercial loans 20 $ 18,352 $ 16,381 $ 811 $ 37 Total 20 $ 18,352 $ 16,381 $ 811 $ 37 Six Months Ended June 30, 2018 June 30, 2018 No. of Contracts Pre-Modification Outstanding Recorded Investment Post-Modification Outstanding Recorded Investment Charge-offs Specific Reserve (In thousands) Commercial loans 18 $ 7,590 $ 7,590 $ — $ — Commercial mortgage loans 6 14,287 14,287 — 126 Residential mortgage loans and equity lines 2 801 801 — 8 Total 26 $ 22,678 $ 22,678 $ — $ 134
Financing Receivable, Troubled Debt Restructuring [Table Text Block]	June 30, 2019 Payment Deferral Rate Reduction Rate Reduction and Payment Deferral Total (In thousands) Accruing TDRs Commercial loans $ 24,753 $ — $ — $ 24,753 Commercial mortgage loans 9,761 5,775 19,090 34,626 Residential mortgage loans 3,010 321 2,188 5,519 Total accruing TDRs $ 37,524 $ 6,096 $ 21,278 $ 64,898 June 30, 2019 Payment Deferral Rate Reduction Rate Reduction and Payment Deferral Total (In thousands) Non-accrual TDRs Commercial loans $ 16,278 $ — $ — $ 16,278 Commercial mortgage loans — — 4,417 4,417 Residential mortgage loans 1,658 — 104 1,762 Total non-accrual TDRs $ 17,936 $ — $ 4,521 $ 22,457 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]	December 31, 2018 Payment Deferral Rate Reduction Rate Reductio 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 June 30, Six Months Ended June 30, 2019 2018 2019 2018 (In thousands) Accruing TDRs Beginning balance $ 62,948 $ 82,785 $ 65,071 $ 68,566 New restructurings 13,244 5,127 15,192 22,447 Restructured loans restored to accrual status — — — 2,318 Payments (9,998 ) (2,855 ) (14,069 ) (6,746 ) Restructured loans placed on non-accrual status (1,296 ) (570 ) (1,296 ) (2,098 ) Ending balance $ 64,898 $ 84,487 $ 64,898 $ 84,487 Three Months Ended June 30, Six Months Ended June 30, 2019 2018 2019 2018 (In thousands) Non-accrual TDRs Beginning balance $ 23,301 $ 31,195 $ 24,189 $ 33,415 New restructurings 3,160 — 3,160 231 Restructured loans placed on non-accrual status 1,296 570 1,296 2,098 Charge-offs (811 ) (161 ) (1,218 ) (161 ) Payments (4,489 ) (1,257 ) (4,970 ) (2,918 ) Restructured loans restored to accrual status — — — (2,318 ) Ending balance $ 22,457 $ 30,347 $ 22,457 $ 30,347
Financing Receivable Credit Quality Indicators [Table Text Block]	June 30, 2019 Pass/Watch Special Mention Substandard Doubtful Total (In thousands) Commercial loans $ 2,568,884 $ 111,658 $ 92,440 $ — $ 2,772,982 Real estate construction loans 538,843 55,303 4,703 — 598,849 Commercial mortgage loans 6,632,331 222,932 90,299 — 6,945,562 Residential mortgage loans and equity lines 4,260,303 939 8,244 — 4,269,486 Installment and other loans 6,631 — — — 6,631 Total gross loans $ 14,006,992 $ 390,832 $ 195,686 $ — $ 14,593,510 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]	Three months ended June 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) March 31, 2019 Ending Balance $ 54,750 $ 20,723 $ 33,073 $ 13,975 $ 34 $ 122,555 Provision/(reversal) for possible credit losses (100 ) 257 (180 ) 27 (4 ) — Charge-offs (1,713 ) — — — — (1,713 ) Recoveries 1,356 30 261 162 — 1,809 Net (charge-offs)/recoveries (357 ) 30 261 162 — 96 June 30, 2019 Ending Balance $ 54,293 $ 21,010 $ 33,154 $ 14,164 $ 30 $ 122,651 Residential Real Estate Commercial Mortgage Loans Installment Commercial Construction Mortgage and and Other Loans Loans Loans Equity Lines Loans Total (In thousands) March 31, 2018 Ending Balance $ 54,597 $ 21,864 $ 34,230 $ 11,372 $ 21 $ 122,084 Provision/(reversal) for possible credit losses 920 (1,245 ) (533 ) 860 (2 ) — Charge-offs (488 ) — (161 ) (229 ) — (878 ) Recoveries 150 44 440 59 — 693 Net (charge-offs)/recoveries (338 ) 44 279 (170 ) — (185 ) June 30, 2018 Ending Balance $ 55,179 $ 20,663 $ 33,976 $ 12,062 $ 19 $ 121,899 Six months ended June 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 862 310 (746 ) (438 ) 12 — Charge-offs (2,944 ) — — — — (2,944 ) Recoveries 1,397 1,074 413 320 — 3,204 Net (charge-offs)/recoveries (1,547 ) 1,074 413 320 — 260 June 30, 2019 Ending Balance $ 54,293 $ 21,010 $ 33,154 $ 14,164 $ 30 $ 122,651 Reserve for impaired loans $ 832 $ — $ 620 $ 234 $ — $ 1,686 Reserve for non-impaired loans $ 53,461 $ 21,010 $ 32,534 $ 13,930 $ 30 $ 120,965 Reserve for off-balance sheet credit commitments $ 2,090 $ 2,029 $ 137 $ 290 $ 4 $ 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 4,827 (4,263 ) (4,696 ) 1,135 (3 ) (3,000 ) Charge-offs (507 ) — (161 ) (229 ) — (897 ) Recoveries 1,063 88 1,223 143 — 2,517 Net recoveries/(charge-offs) 556 88 1,062 (86 ) — 1,620 June 30, 2018 Ending Balance $ 55,179 $ 20,663 $ 33,976 $ 12,062 $ 19 $ 121,899 Reserve for impaired loans $ 2,463 $ — $ 1,036 $ 334 $ — $ 3,833 Reserve for non-impaired loans $ 52,716 $ 20,663 $ 32,940 $ 11,728 $ 19 $ 118,066 Reserve for off-balance sheet credit commitments $ 1,606 $ 1,207 $ 77 $ 190 $ 8 $ 3,088

Note 10 - Leases (Tables)

Note 10 - Leases (Tables)	6 Months Ended
	Jun. 30, 2019
Notes Tables
Lessee, Operating Lease, Liability, Maturity [Table Text Block]	As of June 30, 2019 Operating Leases (In thousands) Remaining 2019 $ 4,208 2020 8,511 2021 7,603 2022 6,417 2023 5,416 Thereafter 9,521 Total lease payments 41,676 Less amount of payment representing interest (3,818 ) Total present value of lease payments $ 37,858
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

Note 13 - Fair Value Measurem_2

Note 13 - Fair Value Measurements (Tables)	6 Months Ended
	Jun. 30, 2019
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	June 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. Treasury securities $ 49,791 $ — $ — $ 49,791 U.S. government agency entities — 77,252 — 77,252 U.S. government sponsored entities — 398,340 — 398,340 Mortgage-backed securities — 846,105 — 846,105 Collateralized mortgage obligations — 777 — 777 Corporate debt securities — 99,319 — 99,319 Total securities available-for-sale $ 49,791 $ 1,421,793 $ — $ 1,471,584 Equity securities Mutual funds $ 6,259 $ — $ — $ 6,259 Preferred stock of government sponsored entities 14,183 — — 14,183 Other equity securities 12,056 — — 12,056 Total equity securities $ 32,498 $ — $ — $ 32,498 Warrants $ — $ — $ 44 $ 44 Interest rate swaps — 1,440 — 1,440 Foreign exchange contracts — 638 — 638 Total assets $ 82,289 $ 1,423,871 $ 44 $ 1,506,204 Liabilities Option contracts $ — $ 14 $ — $ 14 Interest rate swaps — 13,779 — 13,779 Foreign exchange contracts — 876 — 876 Total liabilities $ — $ 14,669 $ — $ 14,669 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 June 30, 2019 Total Losses/(Gains) Fair Value Measurements Using Total Fair Value For the Three Months Ended For the Six Months Ended Level 1 Level 2 Level 3 Measurements June 30, 2019 June 30, 2018 June 30, 2019 June 30, 2018 (In thousands) Assets Impaired loans by type: Commercial loans $ — $ — $ 11,731 $ 11,731 $ — $ — $ — $ — Commercial mortgage loans — — 25,085 25,085 — — — — Residential mortgage loans and equity lines — — 5,750 5,750 — — — — Total impaired loans — — 42,566 42,566 — — — — Other real estate owned (1) — 7,625 4,343 11,968 422 (33 ) 494 — Investments in venture capital and private company stock — — 1,746 1,746 16 91 18 264 Total assets $ — $ 7,625 $ 48,655 $ 56,280 $ 438 $ 58 $ 512 $ 264 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

Note 14 - Fair Value of Finan_2

Note 14 - Fair Value of Financial Instruments (Tables)	6 Months Ended
	Jun. 30, 2019
Notes Tables
Fair Value, by Balance Sheet Grouping [Table Text Block]	June 30, 2019 December 31, 2018 Carrying Carrying Amount Fair Value Amount Fair Value (In thousands) Financial Assets Cash and due from banks $ 206,123 $ 206,123 $ 225,333 $ 225,333 Short-term investments 351,603 351,603 374,957 374,957 Securities available-for-sale 1,471,584 1,471,584 1,242,509 1,242,509 Loans, net 14,469,444 14,814,173 13,871,832 13,928,162 Equity securities 32,498 32,498 25,098 25,098 Investment in Federal Home Loan Bank stock 17,250 17,250 17,250 17,250 Warrants 44 44 184 184 Notional Notional Amount Fair Value Amount Fair Value Foreign exchange contracts $ 109,659 $ 638 $ 86,875 $ 397 Interest rate swaps 123,574 1,440 467,410 7,810 Carrying Carrying Amount Fair Value Amount Fair Value Financial Liabilities Deposits $ 14,362,922 $ 14,417,628 $ 13,702,340 $ 13,754,028 Advances from Federal Home Loan Bank 550,000 551,591 530,000 529,500 Other borrowings 49,663 43,084 35,756 34,031 Long-term debt 169,761 121,592 189,448 132,615 Notional Notional Amount Fair Value Amount Fair Value Option contracts $ 1,698 $ 14 $ 1,215 $ 6 Foreign exchange contracts 95,600 876 94,977 1,763 Interest rate swaps 584,226 13,779 265,166 1,543 Notional Notional Amount Fair Value Amount Fair Value Off-Balance Sheet Financial Instruments Commitments to extend credit $ 3,019,604 $ (8,916 ) $ 2,691,579 $ (8,843 ) Standby letters of credit 255,584 (2,630 ) 245,087 (2,662 ) Other letters of credit 24,086 (21 ) 35,759 (30 ) Bill of lading guarantees 188 — 730 —
Schedule Of Fair Value Of Financial Instruments [Table Text Block]	As of June 30, 2019 Estimated Fair Value Measurements Level 1 Level 2 Level 3 (In thousands) Financial Assets Cash and due from banks $ 206,123 $ 206,123 $ — $ — Short-term investments 351,603 351,603 — — Securities available-for-sale 1,471,584 49,791 1,421,793 — Loans, net 14,814,173 — — 14,814,173 Equity securities 32,498 32,498 — — Investment in Federal Home Loan Bank stock 17,250 — 17,250 — Warrants 44 — — 44 Financial Liabilities Deposits 14,417,628 — — 14,417,628 Advances from Federal Home Loan Bank 551,591 — 551,591 — Other borrowings 43,084 — — 43,084 Long-term debt 121,592 — 121,592 — 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 —

Note 17 - Balance Sheet Offse_2

Note 17 - Balance Sheet Offsetting (Tables)	6 Months Ended
	Jun. 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) June 30, 2019 Assets: Derivatives $ 1,440 $ — $ 1,440 $ — $ — $ 1,440 Liabilities: Derivatives $ 13,779 $ — $ 13,779 $ — $ (16,065 ) $ (2,286 ) December 31, 2018 Assets: Derivatives $ 7,810 $ — $ 7,810 $ — $ — $ 7,810 Liabilities: Derivatives $ 1,543 $ — $ 1,543 $ — $ (1,543 ) $ —

Note 18 - Revenue From Contra_2

Note 18 - Revenue From Contracts With Customers (Tables)	6 Months Ended
	Jun. 30, 2019
Notes Tables
Disaggregation of Revenue [Table Text Block]	Three months Ended June 30, Six months Ended June 30, 2019 2018 2019 2018 (In thousands) Non-interest income, in-scope: Fees and service charges on deposit accounts 2,020 $ 2,076 $ 4,047 $ 4,394 $ Wealth management fees 2,513 1,423 4,209 2,724 Other service fees (1) 3,559 3,516 6,948 6,764 Total noninterest income 8,092 7,015 15,204 13,882 Noninterest income, not in-scope (2) 4,702 752 10,511 805 Total noninterest income 12,794 $ 7,767 $ 25,715 $ 13,077 $

Note 19 - Stockholders' Equity

Note 19 - Stockholders' Equity (Tables)	6 Months Ended
	Jun. 30, 2019
Notes Tables
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]	Three months ended June 30, 2019 Three months ended June 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 $ (8,966 ) $ (21,333 ) Cash flow hedge derivatives (1,465 ) 427 Total $ (10,431 ) $ (20,906 ) Net unrealized gains/(losses) arising during the period Securities available-for-sale $ 15,865 $ 4,690 $ 11,175 $ (3,905 ) $ (1,154 ) $ (2,751 ) Cash flow hedge derivatives (2,984 ) (882 ) (2,102 ) 1,045 309 736 Total $ 12,881 $ 3,808 $ 9,073 $ (2,860 ) $ (845 ) $ (2,015 ) Total other comprehensive income/(loss) Securities available-for-sale $ 15,865 $ 4,690 $ 11,175 $ (3,905 ) $ (1,154 ) $ (2,751 ) Cash flow hedge derivatives (2,984 ) (882 ) (2,102 ) 1,045 309 736 Total $ 12,881 $ 3,808 $ 9,073 $ (2,860 ) $ (845 ) $ (2,015 ) Ending balance, (loss)/gain, net of tax Securities available-for-sale $ 2,209 $ (24,084 ) Cash flow hedge derivatives (3,567 ) 1,163 Total $ (1,358 ) $ (22,921 ) Six months ended June 30, 2019 Six months ended June 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 $ 28,356 $ 8,382 $ 19,974 $ (20,251 ) $ (5,986 ) $ (14,265 ) Cash flow hedge derivatives (4,722 ) (1,396 ) (3,326 ) 4,158 1,229 2,929 Total $ 23,634 $ 6,986 $ 16,648 $ (16,093 ) $ (4,757 ) $ (11,336 ) Total other comprehensive income/(loss) Securities available-for-sale $ 28,356 $ 8,382 $ 19,974 $ (20,251 ) $ (5,986 ) $ (14,265 ) Cash flow hedge derivatives (4,722 ) (1,396 ) (3,326 ) 4,158 1,229 2,929 Total $ 23,634 $ 6,986 $ 16,648 $ (16,093 ) $ (4,757 ) $ (11,336 ) Ending balance, (loss)/gain, net of tax Securities available-for-sale $ 2,209 $ (24,084 ) Cash flow hedge derivatives (3,567 ) 1,163 Total $ (1,358 ) $ (22,921 )

Note 1 - Business (Details Text

Note 1 - Business (Details Textual)	Jun. 30, 2019
Number Of Limited Partnerships In Housing Investments	9
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	14
NEW YORK
Number Of Branch Locations	10
WASHINGTON
Number Of Branch Locations	4
ILLINOIS
Number Of Branch Locations	3
TEXAS
Number Of Branch Locations	2
NEW JERSEY
Number Of Branch Locations	1
HONG KONG
Number Of Branch Locations	1
NEVADA
Number Of Branch Locations	1
MASSACHUSETTS
Number Of Branch Locations	1
MARYLAND
Number Of Branch Locations	1

Note 3 - Recent Accounting Pr_2

Note 3 - Recent Accounting Pronouncements (Details Textual) - USD ($) $ in Thousands	Jun. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Operating Lease, Liability, Total	$ 37,858		$ 0
Operating Lease, Right-of-Use Asset	$ 36,515		$ 0
Accounting Standards Update 2016-02 [Member]
Operating Lease, Liability, Total		$ 41,200
Operating Lease, Right-of-Use Asset		$ 40,600

Note 4 - Cash, Cash Equivalen_2

Note 4 - Cash, Cash Equivalents and Restricted Cash (Details Textual) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018	Jan. 01, 2018
Average Reserve Balances Required to be Maintained with Federal Bank	$ 161		$ 5,400
Margin Deposit Assets	6,900		1,800
Restricted Cash, Total	31,400		$ 7,800
Payments for (Proceeds from) Short-term Investments, Total	0	$ (5,000)
Net Cash Provided by (Used in) Investing Activities, Total	$ (814,030)	(674,653)
Previously Reported [Member]
Payments for (Proceeds from) Short-term Investments, Total		0
Net Cash Provided by (Used in) Investing Activities, Total		(679,700)
Cash and Cash Equivalents, Period Increase (Decrease), Total		$ (135,700)
Cash and Cash Equivalents, at Carrying Value, Ending Balance				$ 539,800

Note 5 - Earnings Per Share - E

Note 5 - Earnings Per Share - Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net income	$ 72,244	$ 73,664	$ 138,923	$ 137,480
Weighted-average shares:
Basic weighted-average number of common shares outstanding (in shares)	80,106,329	81,236,315	80,279,859	81,180,160
Diluted (in shares)	80,302,679	81,774,986	80,501,800	81,727,977
Average stock options and restricted stock units with anti-dilutive effect (in shares)	66,339	6,521	55,502	22,624
Basic (in dollars per share)	$ 0.90	$ 0.91	$ 1.73	$ 1.69
Diluted (in dollars per share)	$ 0.90	$ 0.90	$ 1.73	$ 1.68
Warrant [Member]
Weighted-average shares:
Dilutive effect of weighted-average outstanding common share equivalents (in shares)	0	278,080	0	286,718
Restricted Stock Units (RSUs) [Member]
Weighted-average shares:
Dilutive effect of weighted-average outstanding common share equivalents (in shares)	196,350	260,591	221,941	261,099

Note 6 - Stock-based Compensa_3

Note 6 - Stock-based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 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			$ 6,000	800
2005 Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	2,613,203		2,613,203
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	$ 1,500	$ 1,900	$ 3,100	3,400
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 6,800	$ 13,300	$ 6,800	$ 13,300
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition			1 year 4 months 24 days
Performance-based Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			3 years

Note 6 - Stock-based Compensa_4

Note 6 - Stock-based Compensation - Restricted Stock Units (Details)	6 Months Ended
	Jun. 30, 2019$ / sharesshares
Time-based Restricted Stock Units [Member]
Balance (in shares) | shares	284,493
Balance (in dollars per share) | $ / shares	$ 35.79
Granted (in shares) | shares	18,818
Granted (in dollars per share) | $ / shares	$ 38.36
Vested (in shares) | shares	(92,868)
Vested (in dollars per share) | $ / shares	$ 35.12
Forfeited (in shares) | shares	(16,672)
Forfeited (in dollars per share) | $ / shares	$ 38.31
Balance (in shares) | shares	193,771
Balance (in dollars per share) | $ / shares	$ 36.14
Performance-based Restricted Stock Units [Member]
Balance (in shares) | shares	265,659
Balance (in dollars per share) | $ / shares	$ 32.90
Granted (in shares) | shares	35,092
Granted (in dollars per share) | $ / shares	$ 38.36
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	208,250
Balance (in dollars per share) | $ / shares	$ 31.39

Note 7 - Investment Securitie_2

Note 7 - Investment Securities (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018	Jan. 01, 2018
Equity Securities, FV-NI, Unrealized Gain (Loss), Total	$ 3,200	$ (1,200)	$ 7,400	$ (4,971)
Equity Securities, FV-NI	32,498		32,498		$ 25,098
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Total			0
Pledged Investment Securities	$ 21,800		$ 21,800		$ 28,500
Accounting Standards Update 2016-01 [Member] | Retained Earnings [Member]
Cumulative Effect of New Accounting Principle in Period of Adoption						$ 8,600

Note 7 - Investment Securitie_3

Note 7 - Investment Securities - Investment Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Investment securities available for sale, amortized cost	$ 1,468,452	$ 1,267,731
Investment securities available for sale, gross unrealized gains	7,557	1,778
Investment securities available for sale, gross unrealized losses	4,425	27,000
Investment securities available for sale, Estimated fair value	1,471,584	1,242,509
US Treasury Securities [Member]
Investment securities available for sale, amortized cost	49,750	124,801
Investment securities available for sale, gross unrealized gains	41	0
Investment securities available for sale, gross unrealized losses	0	50
Investment securities available for sale, Estimated fair value	49,791	124,751
US Government Corporations and Agencies Securities [Member]
Investment securities available for sale, amortized cost	76,695	6,066
Investment securities available for sale, gross unrealized gains	715	0
Investment securities available for sale, gross unrealized losses	158	195
Investment securities available for sale, Estimated fair value	77,252	5,871
US Government-sponsored Enterprises Debt Securities [Member]
Investment securities available for sale, amortized cost	400,000	400,000
Investment securities available for sale, gross unrealized gains	0	0
Investment securities available for sale, gross unrealized losses	1,660	11,638
Investment securities available for sale, Estimated fair value	398,340	388,362
Collateralized Mortgage Backed Securities [Member]
Investment securities available for sale, amortized cost	842,315	670,874
Investment securities available for sale, gross unrealized gains	6,336	960
Investment securities available for sale, gross unrealized losses	2,546	15,089
Investment securities available for sale, Estimated fair value	846,105	656,745
Collateralized Mortgage Obligations [Member]
Investment securities available for sale, amortized cost	795	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	777	977
Corporate Debt Securities [Member]
Investment securities available for sale, amortized cost	98,897	64,985
Investment securities available for sale, gross unrealized gains	465	818
Investment securities available for sale, gross unrealized losses	43	0
Investment securities available for sale, Estimated fair value	$ 99,319	$ 65,803

Note 7 - Investment Securitie_4

Note 7 - Investment Securities - Investments by Contractual Maturity Date (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Due in one year or less, Amortized Cost	$ 69,741
Due in one year or less, Fair Value	69,890
Due after one year through five years, Amortized Cost	479,550
Due after one year through five years, Fair Value	478,222
Due after five years through ten years, Amortized Cost	23,551
Due after five years through ten years, Fair Value	23,637
Due after ten years, Amortized Cost	895,610
Due after ten years, Fair Value	899,835
Total, Amortized Cost	1,468,452	$ 1,267,731
Total, Fair Value	$ 1,471,584	$ 1,242,509

Note 7 - Investment Securitie_5

Note 7 - Investment Securities - Temporarily Impaired Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Temporarily impaired securities, less than 12 months, fair value	$ 60,343	$ 176,667
Temporarily impaired securities, less than 12 months, unrealized losses	57	629
Temporarily impaired securities, 12 months or longer, fair value	763,721	899,523
Temporarily impaired securities, 12 months or longer, unrealized losses	4,368	26,371
Temporarily impaired securities, total fair value	824,064	1,076,190
Temporarily impaired securities, total unrealized losses	4,425	27,000
US Government Corporations and Agencies Securities [Member]
Temporarily impaired securities, less than 12 months, fair value	23,606	3,388
Temporarily impaired securities, less than 12 months, unrealized losses	7	77
Temporarily impaired securities, 12 months or longer, fair value	4,334	2,483
Temporarily impaired securities, 12 months or longer, unrealized losses	151	118
Temporarily impaired securities, total fair value	27,940	5,871
Temporarily impaired securities, total unrealized losses	158	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	398,340	388,362
Temporarily impaired securities, 12 months or longer, unrealized losses	1,660	11,638
Temporarily impaired securities, total fair value	398,340	388,362
Temporarily impaired securities, total unrealized losses	1,660	11,638
Collateralized Mortgage Backed Securities [Member]
Temporarily impaired securities, less than 12 months, fair value	2,874	48,528
Temporarily impaired securities, less than 12 months, unrealized losses	7	502
Temporarily impaired securities, 12 months or longer, fair value	360,270	507,701
Temporarily impaired securities, 12 months or longer, unrealized losses	2,539	14,587
Temporarily impaired securities, total fair value	363,144	556,229
Temporarily impaired securities, total unrealized losses	2,546	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	777	977
Temporarily impaired securities, 12 months or longer, unrealized losses	18	28
Temporarily impaired securities, total fair value	777	977
Temporarily impaired securities, total unrealized losses	18	$ 28
Corporate Debt Securities [Member]
Temporarily impaired securities, less than 12 months, fair value	33,863
Temporarily impaired securities, less than 12 months, unrealized losses	43
Temporarily impaired securities, 12 months or longer, fair value	0
Temporarily impaired securities, 12 months or longer, unrealized losses	0
Temporarily impaired securities, total fair value	33,863
Temporarily impaired securities, total unrealized losses	$ 43

Note 8 - Loans (Details Textual

Note 8 - Loans (Details Textual) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Impaired Financing Receivable, Recorded Investment, Total	$ 119,646	$ 106,886
Percentage Of Charge Off To Contractual Balances For Impaired Loans	9.90%	9.30%
Financing Receivable, Troubled Debt Restructuring, Commitment to Lend	$ 0
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	$ 54,700	$ 41,800
Accruing Troubled Debt Restructuring [Member]
Impaired Financing Receivable, Recorded Investment, Total	64,900	65,100
Financing Receivable, Troubled Debt Restructuring	64,900	65,100
Troubled Debt Restructuring, Specific Reserves	1,300	1,500
Non-accruing Troubled Debt Restructuring [Member]
Financing Receivable, Troubled Debt Restructuring	22,500	24,200
Troubled Debt Restructuring, Specific Reserves	$ 54	$ 826

Note 8 - Loans - Components of

Note 8 - Loans - Components of Loans in Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Loans	$ 14,593,510	$ 13,995,788
Less: Allowance for loan losses	(122,651)	(122,391)
Unamortized deferred loan fees, net	(1,415)	(1,565)
Total loans, net	14,469,444	13,871,832
Commercial Portfolio Segment [Member]
Loans	2,772,982	2,741,965
Less: Allowance for loan losses	(54,293)	(54,978)
Residential Portfolio Segment [Member]
Loans	3,967,135	3,693,853
Commercial Real Estate Portfolio Segment [Member]
Loans	6,945,562	6,724,200
Less: Allowance for loan losses	(33,154)	(33,487)
Equity Lines Portfolio Segment [Member]
Loans	302,351	249,967
Real Estate Construction Portfolio Segment [Member]
Loans	598,849	581,454
Less: Allowance for loan losses	(21,010)	(19,626)
Consumer Portfolio Segment [Member]
Loans	6,631	4,349
Less: Allowance for loan losses	$ (30)	$ (18)

Note 8 - Loans - Average Balanc

Note 8 - Loans - Average Balance and Interest Income Recognized Related to Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Average Recorded Investment	$ 118,905	$ 133,809	$ 117,006	$ 129,741
Interest Income Recognized	1,116	1,224	1,927	2,275
Commercial Portfolio Segment [Member]
Average Recorded Investment	46,792	46,763	42,388	45,978
Interest Income Recognized	587	498	820	825
Real Estate Construction Portfolio Segment [Member]
Average Recorded Investment	4,726	8,378	4,771	8,258
Interest Income Recognized	0	0	0	0
Commercial Real Estate Portfolio Segment [Member]
Average Recorded Investment	54,404	64,004	56,724	61,316
Interest Income Recognized	448	633	942	1,264
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Average Recorded Investment	12,983	14,664	13,123	14,189
Interest Income Recognized	$ 81	$ 93	$ 165	$ 186

Note 8 - Loans - Impaired Loans

Note 8 - Loans - Impaired Loans and Related Allowance for Credit Losses (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Loans with no related allowance, unpaid principal balance	$ 91,251	$ 77,605
Loans with no related allowance, recorded investment	75,395	65,315
Loans with related allowance, unpaid principal balance	45,393	42,686
Loans with related allowance, recorded investment	44,251	41,571
Allowance	1,686	3,802
Total impaired loans, unpaid principal balance	136,644	120,291
Total impaired loans, recorded investment	119,646	106,886
Commercial Portfolio Segment [Member]
Loans with no related allowance, unpaid principal balance	45,022	32,015
Loans with no related allowance, recorded investment	40,260	30,368
Loans with related allowance, unpaid principal balance	12,577	6,653
Loans with related allowance, recorded investment	12,563	6,570
Allowance	832	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	4,702	4,873
Commercial Real Estate Portfolio Segment [Member]
Loans with no related allowance, unpaid principal balance	33,410	34,129
Loans with no related allowance, recorded investment	23,436	24,409
Loans with related allowance, unpaid principal balance	25,761	27,099
Loans with related allowance, recorded investment	25,704	27,063
Allowance	620	877
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans with no related allowance, unpaid principal balance	7,043	5,685
Loans with no related allowance, recorded investment	6,997	5,665
Loans with related allowance, unpaid principal balance	7,055	8,934
Loans with related allowance, recorded investment	5,984	7,938
Allowance	$ 234	$ 1,088

Note 8 - Loans - Aging of Loan

Note 8 - Loans - Aging of Loan Portfolio (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Loans past due	$ 87,717	$ 106,057
Non-accrual loans	54,748	41,815
Loans not past due	14,505,793	13,889,731
Loans	14,593,510	13,995,788
Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	12,755	45,978
Financial Asset, 60 to 89 Days Past Due [Member]
Loans past due	5,745	14,491
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans past due	14,469	3,773
Commercial Portfolio Segment [Member]
Loans past due	34,038	47,267
Non-accrual loans	28,070	18,805
Loans not past due	2,738,944	2,694,698
Loans	2,772,982	2,741,965
Commercial Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	4,998	25,494
Commercial Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans past due	970	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	7,529	8,028
Non-accrual loans	4,702	4,872
Loans not past due	591,320	573,426
Loans	598,849	581,454
Real Estate Construction Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	2,827	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	38,178	33,212
Non-accrual loans	14,515	10,611
Loans not past due	6,907,384	6,690,988
Loans	6,945,562	6,724,200
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	4,930	10,797
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans past due	4,264	8,545
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans past due	14,469	3,259
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans past due	7,972	17,550
Non-accrual loans	7,461	7,527
Loans not past due	4,261,514	3,926,270
Loans	4,269,486	3,943,820
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans past due	0	9,687
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans past due	511	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	6,631	4,349
Loans	6,631	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

Note 8 - Loans - Troubled Debt

Note 8 - Loans - Troubled Debt Restructuring (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019USD ($)	Jun. 30, 2018USD ($)	Jun. 30, 2019USD ($)	Jun. 30, 2018USD ($)
No. of Contracts	19	15	20	26
Pre-Modification Outstanding Recorded Investment	$ 16,405	$ 5,127	$ 18,352	$ 22,678
Post-Modification Outstanding Recorded Investment	15,551	5,127	16,381	22,678
Charge-offs	811	0	811	0
Specific reserve	$ 37	$ 0	$ 37	$ 134
Commercial Portfolio Segment [Member]
No. of Contracts	19	15	20	18
Pre-Modification Outstanding Recorded Investment	$ 16,405	$ 5,127	$ 18,352	$ 7,590
Post-Modification Outstanding Recorded Investment	15,551	5,127	16,381	7,590
Charge-offs	811	0	811	0
Specific reserve	$ 37	$ 0	$ 37	$ 0
Commercial Real Estate Portfolio Segment [Member]
No. of Contracts				6
Pre-Modification Outstanding Recorded Investment				$ 14,287
Post-Modification Outstanding Recorded Investment				14,287
Charge-offs				0
Specific reserve				$ 126
Residential Mortgage and Equity Lines Portfolio Segment [Member]
No. of Contracts				2
Pre-Modification Outstanding Recorded Investment				$ 801
Post-Modification Outstanding Recorded Investment				801
Charge-offs				0
Specific reserve				$ 8

Note 8 - Loans - Accruing Troub

Note 8 - Loans - Accruing Troubled Debt Restructurings (Details) - Accruing Troubled Debt Restructuring [Member] - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Accruing TDRs	$ 64,898	$ 62,948	$ 65,071	$ 84,487	$ 82,785	$ 68,566
Payment Deferral [Member]
Accruing TDRs	37,524		35,510
Contractual Interest Rate Reduction [Member]
Accruing TDRs	6,096		7,747
Rate Reduction and Payment Deferral [Member]
Accruing TDRs	21,278		21,814
Commercial Portfolio Segment [Member]
Accruing TDRs	24,753		18,135
Commercial Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs	24,753		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	34,626		40,860
Commercial Real Estate Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs	9,761		14,022
Commercial Real Estate Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	5,775		7,420
Commercial Real Estate Portfolio Segment [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	19,090		19,418
Residential Portfolio Segment [Member]
Accruing TDRs	5,519		6,076
Residential Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs	3,010		3,353
Residential Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	321		327
Residential Portfolio Segment [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	$ 2,188		$ 2,396

Note 8 - Loans - Non-accrual Tr

Note 8 - Loans - Non-accrual Troubled Debt Restructurings (Details) - Non-accruing Troubled Debt Restructuring [Member] - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Accruing TDRs	$ 22,457	$ 23,301	$ 24,189	$ 30,347	$ 31,195	$ 33,415
Payment Deferral [Member]
Accruing TDRs	17,936		19,194
Contractual Interest Rate Reduction [Member]
Accruing TDRs	0		0
Rate Reduction and Payment Deferral [Member]
Accruing TDRs	4,521		4,995
Commercial Portfolio Segment [Member]
Accruing TDRs	16,278		13,771
Commercial Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs	16,278		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
Commercial Real Estate Portfolio Segment [Member]
Accruing TDRs	4,417		8,566
Commercial Real Estate Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs	0		3,682
Commercial Real Estate Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]
Accruing TDRs	0		0
Commercial Real Estate Portfolio Segment [Member] | Rate Reduction and Payment Deferral [Member]
Accruing TDRs	4,417		4,884
Residential Portfolio Segment [Member]
Accruing TDRs	1,762		1,852
Residential Portfolio Segment [Member] | Payment Deferral [Member]
Accruing TDRs	1,658		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	$ 104		$ 111

Note 8 - Loans - Troubled Deb_2

Note 8 - Loans - Troubled Debt Restructuring Activity (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Charge-offs	$ (811)	$ 0	$ (811)	$ 0
Accruing Troubled Debt Restructuring [Member]
Beginning balance	62,948	82,785	65,071	68,566
New restructurings	13,244	5,127	15,192	22,447
Restructured loans restored to accrual status	0	0	0	2,318
Payments	(9,998)	(2,855)	(14,069)	(6,746)
Restructured loans placed on non-accrual status	(1,296)	(570)	(1,296)	(2,098)
Ending balance	64,898	84,487	64,898	84,487
Non-accruing Troubled Debt Restructuring [Member]
Beginning balance	23,301	31,195	24,189	33,415
New restructurings	3,160	0	3,160	231
Restructured loans restored to accrual status	0	0	0	(2,318)
Payments	(4,489)	(1,257)	(4,970)	(2,918)
Restructured loans placed on non-accrual status	1,296	570	1,296	2,098
Ending balance	22,457	30,347	22,457	30,347
Charge-offs	$ (811)	$ (161)	$ (1,218)	$ (161)

Note 8 - Loans - Portfolio by R

Note 8 - Loans - Portfolio by Risk Rating (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Loans	$ 14,593,510	$ 13,995,788
Commercial Portfolio Segment [Member]
Loans	2,772,982	2,741,965
Real Estate Construction Portfolio Segment [Member]
Loans	598,849	581,454
Commercial Real Estate Portfolio Segment [Member]
Loans	6,945,562	6,724,200
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans	4,269,486	3,943,820
Consumer Portfolio Segment [Member]
Loans	6,631	4,349
Pass [Member]
Loans	14,006,992	13,394,786
Pass [Member] | Commercial Portfolio Segment [Member]
Loans	2,568,884	2,603,901
Pass [Member] | Real Estate Construction Portfolio Segment [Member]
Loans	538,843	514,406
Pass [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans	6,632,331	6,337,368
Pass [Member] | Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans	4,260,303	3,934,762
Pass [Member] | Consumer Portfolio Segment [Member]
Loans	6,631	4,349
Special Mention [Member]
Loans	390,832	454,953
Special Mention [Member] | Commercial Portfolio Segment [Member]
Loans	111,658	87,987
Special Mention [Member] | Real Estate Construction Portfolio Segment [Member]
Loans	55,303	62,175
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans	222,932	304,791
Special Mention [Member] | Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans	939	0
Special Mention [Member] | Consumer Portfolio Segment [Member]
Loans	0	0
Substandard [Member]
Loans	195,686	146,049
Substandard [Member] | Commercial Portfolio Segment [Member]
Loans	92,440	50,077
Substandard [Member] | Real Estate Construction Portfolio Segment [Member]
Loans	4,703	4,873
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans	90,299	82,041
Substandard [Member] | Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans	8,244	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

Note 8 - Loans - Allowance for

Note 8 - Loans - Allowance for Loan Losses by Portfolio Segment and Based on Impairment Method (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Loans individually evaluated for impairment, allowance	$ 1,686	$ 3,802
Loans individually evaluated for impairment, balance	119,646	106,886
Loans collectively evaluated for impairment, allowance	120,965	118,589
Loans collectively evaluated for impairment, balance	14,473,864	13,888,902
Loans, allowance	122,651	122,391
Loans	14,593,510	13,995,788
Commercial Portfolio Segment [Member]
Loans individually evaluated for impairment, allowance	832	1,837
Loans individually evaluated for impairment, balance	52,823	36,940
Loans collectively evaluated for impairment, allowance	53,461	53,141
Loans collectively evaluated for impairment, balance	2,720,159	2,705,025
Loans, allowance	54,293	54,978
Loans	2,772,982	2,741,965
Real Estate Construction Portfolio Segment [Member]
Loans individually evaluated for impairment, allowance	0	0
Loans individually evaluated for impairment, balance	4,702	4,873
Loans collectively evaluated for impairment, allowance	21,010	19,626
Loans collectively evaluated for impairment, balance	594,147	576,581
Loans, allowance	21,010	19,626
Loans	598,849	581,454
Commercial Real Estate Portfolio Segment [Member]
Loans individually evaluated for impairment, allowance	620	877
Loans individually evaluated for impairment, balance	49,140	51,471
Loans collectively evaluated for impairment, allowance	32,534	32,610
Loans collectively evaluated for impairment, balance	6,896,422	6,672,729
Loans, allowance	33,154	33,487
Loans	6,945,562	6,724,200
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Loans individually evaluated for impairment, allowance	234	1,088
Loans individually evaluated for impairment, balance	12,981	13,602
Loans collectively evaluated for impairment, allowance	13,930	13,194
Loans collectively evaluated for impairment, balance	4,256,505	3,930,218
Loans, allowance	14,164	14,282
Loans	4,269,486	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	30	18
Loans collectively evaluated for impairment, balance	6,631	4,349
Loans, allowance	30	18
Loans	$ 6,631	$ 4,349

Note 8 - Loans - Allowance fo_2

Note 8 - Loans - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Balance	$ 122,555	$ 122,084	$ 122,391	$ 123,279
Provision/(reversal) for possible credit losses	0	0	0	(3,000)
Charge-offs	(1,713)	(878)	(2,944)	(897)
Recoveries	1,809	693	3,204	2,517
Net (charge-offs)/recoveries	96	(185)	260	1,620
Balance	122,651	121,899	122,651	121,899
Reserve for impaired loans	1,686	3,833	1,686	3,833
Reserve for non-impaired loans	120,965	118,066	120,965	118,066
Reserve for off-balance sheet credit commitments	4,550	3,088	4,550	3,088
Commercial Portfolio Segment [Member]
Balance	54,750	54,597	54,978	49,796
Provision/(reversal) for possible credit losses	(100)	920	862	4,827
Charge-offs	(1,713)	(488)	(2,944)	(507)
Recoveries	1,356	150	1,397	1,063
Net (charge-offs)/recoveries	(357)	(338)	(1,547)	556
Balance	54,293	55,179	54,293	55,179
Reserve for impaired loans	832	2,463	832	2,463
Reserve for non-impaired loans	53,461	52,716	53,461	52,716
Reserve for off-balance sheet credit commitments	2,090	1,606	2,090	1,606
Real Estate Construction Portfolio Segment [Member]
Balance	20,723	21,864	19,626	24,838
Provision/(reversal) for possible credit losses	257	(1,245)	310	(4,263)
Charge-offs	0	0	0	0
Recoveries	30	44	1,074	88
Net (charge-offs)/recoveries	30	44	1,074	88
Balance	21,010	20,663	21,010	20,663
Reserve for impaired loans	0	0	0	0
Reserve for non-impaired loans	21,010	20,663	21,010	20,663
Reserve for off-balance sheet credit commitments	2,029	1,207	2,029	1,207
Commercial Real Estate Portfolio Segment [Member]
Balance	33,073	34,230	33,487	37,610
Provision/(reversal) for possible credit losses	(180)	(533)	(746)	(4,696)
Charge-offs	0	(161)	0	(161)
Recoveries	261	440	413	1,223
Net (charge-offs)/recoveries	261	279	413	1,062
Balance	33,154	33,976	33,154	33,976
Reserve for impaired loans	620	1,036	620	1,036
Reserve for non-impaired loans	32,534	32,940	32,534	32,940
Reserve for off-balance sheet credit commitments	137	77	137	77
Residential Mortgage and Equity Lines Portfolio Segment [Member]
Balance	13,975	11,372	14,282	11,013
Provision/(reversal) for possible credit losses	27	860	(438)	1,135
Charge-offs	0	(229)	0	(229)
Recoveries	162	59	320	143
Net (charge-offs)/recoveries	162	(170)	320	(86)
Balance	14,164	12,062	14,164	12,062
Reserve for impaired loans	234	334	234	334
Reserve for non-impaired loans	13,930	11,728	13,930	11,728
Reserve for off-balance sheet credit commitments	290	190	290	190
Installment and Other Loans [Member ]
Balance	34	21	18	22
Provision/(reversal) for possible credit losses	(4)	(2)	12	(3)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net (charge-offs)/recoveries	0	0	0	0
Balance	30	19	30	19
Reserve for impaired loans	0	0	0	0
Reserve for non-impaired loans	30	19	30	19
Reserve for off-balance sheet credit commitments	$ 4	$ 8	$ 4	$ 8

Note 9 - Commitments and Cont_2

Note 9 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Qualified Affordable Housing and Alternative Energy Partnerships [Member]
Other Commitment, Total	$ 117.3	$ 113

Note 10 - Leases (Details Textu

Note 10 - Leases (Details Textual) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 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 7 months 9 days	5 years 7 months 9 days
Operating Lease, Right-of-Use Asset	$ 36,515	$ 36,515	$ 0
Operating Lease, Right-of-use Asset, Accumulated Amortization	4,100	4,100
Operating Lease, Expense	3,400	6,800
Operating Lease, Payments	$ 2,000	$ 4,100

Note 10 - Leases - Lease Maturi

Note 10 - Leases - Lease Maturity Schedule (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Remaining 2019	$ 4,208
2020	8,511
2021	7,603
2022	6,417
2023	5,416
Thereafter	9,521
Total lease payments	41,676
Less amount of payment representing interest	(3,818)
Lease liabilities - operating leases	$ 37,858	$ 0

Note 10 - Leases - Future Minim

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

Note 11 - Borrowed Funds (Detai

Note 11 - Borrowed Funds (Details Textual) - USD ($) $ in Thousands	Oct. 12, 2017	Jun. 30, 2019	Dec. 31, 2018
Advances from Federal Home Loan Banks, Total		$ 550,000	$ 530,000
Long-term Debt, Total		169,761	189,448
Junior Subordinated Notes, Noncurrent		$ 119,100	$ 119,100
Junior Subordinated Debt [Member]
Debt Instrument, Interest Rate, Stated Percentage		4.57%	4.96%
Debt Instrument, Term		30 years
SinoPac Bancorp [Member]
Business Combination, Deferred Payments		$ 17,600
Debt Instrument, Interest Rate, Effective Percentage		3.82%
SinoPac Bancorp [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate		1.50%
Mature in July 2019 [Member]
Advances from Federal Home Loan Banks, Total		$ 150,000
Mature in July 2019 [Member] | SinoPac Bancorp [Member]
Business Combination, Deferred Payments		10,600
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, Interest Rate, Effective Percentage		4.25%	4.125%
Debt Instrument, Face Amount	$ 75,000
Long-term Debt, Total		$ 50,600
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		$ 130,000	$ 200,000
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate		2.52%	2.56%
Non Overnight Borrowings [Member]
Advances from Federal Home Loan Banks, Total		$ 420,000	$ 330,000
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate		2.29%	2.42%

Note 12 - Income Taxes (Details

Note 12 - Income Taxes (Details Textual) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Effective Income Tax Rate Reconciliation, Percent, Total	19.20%	17.90%
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount	$ 6
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Open Tax Year	2015 2016 2017 2018
State and Local Jurisdiction [Member] | California Franchise Tax Board [Member]
Open Tax Year	2014 2015 2016 2017 2018

Note 13 - Fair Value Measurem_3

Note 13 - Fair Value Measurements (Details Textual) $ in Thousands	Jun. 30, 2019USD ($)	Dec. 31, 2018USD ($)
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	0.0191
Measurement Input, Risk Free Interest Rate [Member] | Maximum [Member]
Warrants and Rights Outstanding, Measurement Input	0.0215
Measurement Input, Price Volatility [Member] | Minimum [Member]
Warrants and Rights Outstanding, Measurement Input	0.1394
Measurement Input, Price Volatility [Member] | Maximum [Member]
Warrants and Rights Outstanding, Measurement Input	0.2370

Note 13 - Fair Value Measurem_4

Note 13 - Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Securities available-for-sale	$ 1,471,584	$ 1,242,509
Equity securities	32,498	25,098
Assets, fair value disclosure	1,506,204	1,275,998
Liabilities, fair value disclosure	14,669	3,312
Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	49,791	124,751
Equity securities	32,498	25,098
Assets, fair value disclosure	82,289	149,849
Liabilities, fair value disclosure	0	0
Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	1,421,793	1,117,758
Equity securities	0	0
Assets, fair value disclosure	1,423,871	1,125,965
Liabilities, fair value disclosure	14,669	3,312
Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Equity securities	0	0
Assets, fair value disclosure	44	184
Liabilities, fair value disclosure	0	0
US Treasury Securities [Member]
Securities available-for-sale	49,791	124,751
US Treasury Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	49,791	124,751
US Treasury Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	0	0
US Treasury Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
US Government Corporations and Agencies Securities [Member]
Securities available-for-sale	77,252
US Government Corporations and Agencies Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0
US Government Corporations and Agencies Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	77,252
US Government Corporations and Agencies Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0
US Government Agencies Debt Securities [Member]
Securities available-for-sale		5,871
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale		0
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale		5,871
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale		0
US Government-sponsored Enterprises Debt Securities [Member]
Securities available-for-sale	398,340	388,363
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0	0
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	398,340	388,363
US Government-sponsored Enterprises Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Commercial Mortgage Backed Securities [Member]
Securities available-for-sale	846,105	656,744
Commercial Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0	0
Commercial Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	846,105	656,744
Commercial Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Collateralized Mortgage Obligations [Member]
Securities available-for-sale	777	977
Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0	0
Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	777	977
Collateralized Mortgage Obligations [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Corporate Debt Securities [Member]
Securities available-for-sale	99,319	65,803
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0	0
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	99,319	65,803
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Mutual Funds [Member]
Equity securities	6,259	6,094
Mutual Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities	6,259	6,094
Mutual Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities	0	0
Mutual Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities	0	0
Preferred Stock of Government Sponsored Entities [Member]
Equity securities	14,183	7,822
Preferred Stock of Government Sponsored Entities [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities	14,183	7,822
Preferred Stock of Government Sponsored Entities [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities	0	0
Preferred Stock of Government Sponsored Entities [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities	0	0
Other Equity Securities [Member]
Equity securities	12,056	11,182
Other Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities	12,056	11,182
Other Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities	0	0
Other Equity Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities	0	0
Warrant [Member]
Assets, fair value disclosure	44	184
Warrant [Member] | Fair Value, Inputs, Level 1 [Member]
Assets, fair value disclosure	0	0
Warrant [Member] | Fair Value, Inputs, Level 2 [Member]
Assets, fair value disclosure	0	0
Warrant [Member] | Fair Value, Inputs, Level 3 [Member]
Assets, fair value disclosure	44	184
Interest Rate Swap [Member]
Assets, fair value disclosure	1,440	7,810
Liabilities, fair value disclosure	13,779	1,543
Interest Rate Swap [Member] | Fair Value, Inputs, Level 1 [Member]
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member]
Assets, fair value disclosure	1,440	7,810
Liabilities, fair value disclosure	13,779	1,543
Interest Rate Swap [Member] | Fair Value, Inputs, Level 3 [Member]
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Foreign Exchange Contract [Member]
Assets, fair value disclosure	638	397
Liabilities, fair value disclosure	876	1,763
Foreign Exchange Contract [Member] | Fair Value, Inputs, Level 1 [Member]
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Foreign Exchange Contract [Member] | Fair Value, Inputs, Level 2 [Member]
Assets, fair value disclosure	638	397
Liabilities, fair value disclosure	876	1,763
Foreign Exchange Contract [Member] | Fair Value, Inputs, Level 3 [Member]
Assets, fair value disclosure	0	0
Liabilities, fair value disclosure	0	0
Option Contracts [Member]
Liabilities, fair value disclosure	14	6
Option Contracts [Member] | Fair Value, Inputs, Level 1 [Member]
Liabilities, fair value disclosure	0	0
Option Contracts [Member] | Fair Value, Inputs, Level 2 [Member]
Liabilities, fair value disclosure	14	6
Option Contracts [Member] | Fair Value, Inputs, Level 3 [Member]
Liabilities, fair value disclosure	$ 0	$ 0

Note 13 - Fair Value Measurem_5

Note 13 - Fair Value Measurements - Financial Assets and Liabilities Measured on a Non-recurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended				12 Months Ended
	Jun. 30, 2019		Jun. 30, 2018		Jun. 30, 2019		Jun. 30, 2018		Dec. 31, 2018		Dec. 31, 2017
Assets, fair value disclosure	$ 1,506,204				$ 1,506,204				$ 1,275,998
Total Losses	438		$ 58		512		$ 264		(289)		$ 874
Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	56,280				56,280				53,297
Fair Value, Inputs, Level 1 [Member]
Assets, fair value disclosure	82,289				82,289				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	1,423,871				1,423,871				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	44				44				184
Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	48,655				48,655				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	5,750				5,750				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	5,750				5,750				6,850
Impaired Loans [Member]
Total Losses	0		0		0		0		0		25
Impaired Loans [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	42,566				42,566				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	42,566				42,566				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	11,731				11,731				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	11,731				11,731				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	25,085				25,085				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	25,085				25,085				26,186
Other Real Estate Owned [Member]
Total Losses	422	[1]	(33)	[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	16		$ 91		18		$ 264		330		$ 392
Investments in Venture Capital [Member] | Fair Value, Nonrecurring [Member]
Assets, fair value disclosure	1,746				1,746				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	$ 1,746				$ 1,746				$ 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.

Note 14 - Fair Value of Finan_3

Note 14 - Fair Value of Financial Instruments - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands		Jun. 30, 2019	Dec. 31, 2018
Cash and due from banks		$ 206,123	$ 225,333
Securities available-for-sale		1,471,584	1,242,509
Loans, net	[1]	14,814,173	13,928,162
Equity securities		32,498	25,098
Investment in Federal Home Loan Bank stock		17,250	17,250
Warrants		1,440	7,810
Foreign exchange contracts with gain		109,659	86,875
Foreign exchange contracts with gain, fair value		638	397
Interest rate swaps		1	467,410
Interest rate swaps, fair value		1,440	7,810
Deposits		14,417,628	13,754,028
Advances from Federal Home Loan Bank		551,591	529,500
Other borrowings		43,084	34,031
Long-term debt		121,592	132,615
Option contracts		1,698	1,215
Option contracts, fair value		14	6
Foreign exchange contracts with loss		95,600	94,977
Foreign exchange contracts with loss, fair value		876	1,763
Interest rate swaps		5	265,166
Interest rate swaps, fair value		13,779	1,543
Commitments to extend credit		3,019,604	2,691,579
Commitments to extend credit, fair value		(8,916)	(8,843)
Standby letters of credit		255,584	245,087
Standby letters of credit, fair value		(2,630)	(2,662)
Other letters of credit		24,086	35,759
Other letters of credit, fair value		(21)	(30)
Bill of lading guarantees		188	730
Bill of lading guarantees, fair value		0	0
Warrants [Member]
Warrants		44
Reported Value Measurement [Member]
Cash and due from banks		206,123	225,333
Short-term investments		351,603	374,957
Securities available-for-sale		1,471,584	1,242,509
Loans, net	[1]	14,469,444	13,871,832
Equity securities		32,498	25,098
Investment in Federal Home Loan Bank stock		17,250	17,250
Deposits		14,362,922	13,702,340
Advances from Federal Home Loan Bank		550,000	530,000
Other borrowings		49,663	35,756
Long-term debt		169,761	189,448
Reported Value Measurement [Member] | Warrants [Member]
Warrants		44	184
Estimate of Fair Value Measurement [Member]
Cash and due from banks		206,123	225,333
Short-term investments		351,603	374,957
Securities available-for-sale		1,471,584	1,242,509
Loans, net	[1]	14,814,173	13,928,162
Equity securities		32,498	25,098
Investment in Federal Home Loan Bank stock		17,250	17,250
Deposits		14,417,628	13,754,028
Advances from Federal Home Loan Bank		551,591	529,500
Other borrowings		43,084	34,031
Long-term debt		121,592	132,615
Estimate of Fair Value Measurement [Member] | Warrants [Member]
Warrants		$ 44	$ 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.

Note 14 - Fair Value of Finan_4

Note 14 - Fair Value of Financial Instruments - Fair Value Hierarchy of Financial Instruments (Details) - USD ($) $ in Thousands		Jun. 30, 2019	Dec. 31, 2018
Cash and due from banks		$ 206,123	$ 225,333
Short-term investments		351,603	374,957
Securities available-for-sale		1,471,584	1,242,509
Loans, net	[1]	14,814,173	13,928,162
Equity securities		32,498	25,098
Investment in Federal Home Loan Bank stock		17,250	17,250
Warrants		1,440	7,810
Deposits		14,417,628	13,754,028
Advances from Federal Home Loan Bank		551,591	529,500
Other borrowings		43,084	34,031
Long-term debt		121,592	132,615
Equity Securities, FV-NI		32,498	25,098
Warrants [Member]
Warrants		44
Warrants			184
Fair Value, Inputs, Level 1 [Member]
Cash and due from banks		206,123	225,333
Short-term investments		351,603	374,957
Securities available-for-sale		49,791	124,751
Loans, net	[1]	0	0
Equity securities		32,498	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		32,498	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		1,421,793	1,117,758
Loans, net	[1]	0	0
Equity securities		0	0
Investment in Federal Home Loan Bank stock		17,250	17,250
Deposits		0	0
Advances from Federal Home Loan Bank		551,591	529,500
Other borrowings		0	0
Long-term debt		121,592	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, net	[1]	14,814,173	13,928,162
Equity securities		0	0
Investment in Federal Home Loan Bank stock		0	0
Deposits		14,417,628	13,754,028
Advances from Federal Home Loan Bank		0	0
Other borrowings		43,084	34,031
Long-term debt		0	0
Equity Securities, FV-NI		0	0
Fair Value, Inputs, Level 3 [Member] | Warrants [Member]
Warrants		$ 44
Warrants			$ 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.

Note 16 - Financial Derivativ_2

Note 16 - Financial Derivatives (Details Textual) - USD ($) $ in Thousands	May 31, 2014	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 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		$ (2,102)	$ 736	$ (3,326)	$ 2,929
Cash [Member]
Collateral Already Posted, Aggregate Fair Value		6,900		6,900		$ 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				3,600		241
Net Accrued on Interest Rate Swaps		$ 8	123	$ 37	396
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | London Interbank Offered Rate (LIBOR) [Member]
Derivative, Average Variable Interest Rate		2.50%		2.50%
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative Outstanding, Notional Amount		$ 570,800		$ 570,800		613,400
Derivative, Average Fixed Interest Rate		4.72%		4.72%
Derivative, Average Variable Interest Rate		5.10%		5.10%
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax				$ 7,300		6,600
Net Accrued on Interest Rate Swaps		$ 534	$ 0	$ 1,100	$ (229)
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, Average Variable Interest Rate		2.62%		2.62%
Negative Fair Value [Member]
Notional Amount Of Option Contract		$ 1,700		$ 1,700		1,200
Open Option Contracts Fair Value		14		14		6
Sum Of Spot And Forward Contract Notional Amount		95,600		95,600		95,000
Negative Fair Value		876		876		1,800
Positive Fair Value [Member]
Sum Of Spot And Forward Contract Notional Amount		109,700		109,700		86,900
Positive Fair Value		$ 638		$ 638		$ 397

Note 17 - Balance Sheet Offse_3

Note 17 - Balance Sheet Offsetting - Financial Instruments That Are Eligible for Offset in the Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Derivative assets, gross	$ 1,440	$ 7,810
Derivative assets, net	1,440	7,810
Derivative assets not offset	1,440	7,810
Derivative liabilities, gross	13,779	1,543
Derivative liabilities, net	13,779	1,543
Derivatives, collateral posted	(16,065)	(1,543)
Derivative liabilities, not offset	$ (2,286)	$ 0

Note 18 - Revenue from Contra_3

Note 18 - Revenue from Contracts with Customers - Summary of Revenue (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenue		$ 8,092	$ 7,015	$ 15,204	$ 13,882
Noninterest income, not in-scope(2)	[1]	4,702	752	10,511	(805)
Total non-interest income		12,794	7,767	25,715	13,077
Fees and Services Charges on Deposit Account [Member]
Revenue		2,020	2,076	4,047	4,394
Wealth Management Fees [Member]
Revenue		2,513	1,423	4,209	2,724
Other Service Fees [Member]
Revenue	[2]	$ 3,559	$ 3,516	$ 6,948	$ 6,764
[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.

Note 19 - Stockholders' Equit_2

Note 19 - Stockholders' Equity (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Stockholders' Equity Attributable to Parent, Ending Balance	$ 2,199,297	$ 2,064,833	$ 2,199,297	$ 2,064,833	$ 2,163,329	$ 2,121,866	$ 2,009,792	$ 1,973,304
Stockholders' Equity, Period Increase (Decrease), Total			77,400
Net Income (Loss) Attributable to Parent, Total	72,244	73,664	138,923	137,480
Other Comprehensive Income (Loss), Net of Tax, Total	9,073	(2,015)	16,648	(11,336)
Proceeds from Issuance of Common Stock, Dividend Reinvestment Plan			1,681	1,325
Dividends, Common Stock, Cash	$ 24,754	$ 19,498	49,721	38,966
Payments for Repurchase of Common Stock			$ 31,609	$ 0

Note 19 - Stockholders' Equit_3

Note 19 - Stockholders' Equity - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019		Jun. 30, 2018
Beginning balance, loss, net of tax		$ 2,163,329	$ 2,009,792	$ 2,121,866		$ 1,973,304
Total other comprehensive (loss)/income, net of tax		9,073	(2,015)	16,648		(11,336)
Ending balance, loss, net of tax		2,199,297	2,064,833	2,199,297		2,064,833
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]
Beginning balance, loss, net of tax		(8,966)	(21,333)	(17,765)		(1,060)
Net unrealized (losses)/gains arising during the period, pre-tax		15,865	(3,905)	0	[1]	0	[1]
Net unrealized (losses)/gains arising during the period, tax		4,690	(1,154)	0	[1]	200	[1]
Net unrealized (losses)/gains arising during the period, net of tax		11,175	(2,751)	0	[1]	(200)	[1]
Total other comprehensive (loss)/income, pre-tax		15,865	(3,905)	28,356		(20,251)
Total other comprehensive (loss)/income, tax		4,690	(1,154)	8,382		(5,986)
Total other comprehensive (loss)/income, net of tax		11,175	(2,751)	19,974		(14,265)
Ending balance, loss, net of tax		2,209	(24,084)	2,209		(24,084)
Reclassification adjustment for net losses/(gains) included in net income, pre-tax				28,356		(20,251)
Reclassification adjustment for net losses/(gains) included in net income, tax				8,382		(5,986)
Reclassification adjustment for net losses/(gains) included in net income, net of tax				19,974		(14,265)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Beginning balance, loss, net of tax		(1,465)	427	(241)		(1,451)
Net unrealized (losses)/gains arising during the period, pre-tax		(2,984)	1,045	0	[1]	0	[1]
Net unrealized (losses)/gains arising during the period, tax		(882)	309	0	[1]	315	[1]
Net unrealized (losses)/gains arising during the period, net of tax		(2,102)	736	0	[1]	(315)	[1]
Total other comprehensive (loss)/income, pre-tax		(2,984)	1,045	(4,722)		4,158
Total other comprehensive (loss)/income, tax		(882)	309	(1,396)		1,229
Total other comprehensive (loss)/income, net of tax		(2,102)	736	(3,326)		2,929
Ending balance, loss, net of tax		(3,567)	1,163	(3,567)		1,163
Reclassification adjustment for net losses/(gains) included in net income, pre-tax				(4,722)		4,158
Reclassification adjustment for net losses/(gains) included in net income, tax				(1,396)		1,229
Reclassification adjustment for net losses/(gains) included in net income, net of tax				(3,326)		2,929
AOCI Attributable to Parent [Member]
Beginning balance, loss, net of tax		(10,431)	(20,906)	(18,006)		(2,511)
Net unrealized (losses)/gains arising during the period, pre-tax		12,881	(2,860)	0	[1]	0	[1]
Net unrealized (losses)/gains arising during the period, tax		3,808	(845)	0	[1]	515	[1]
Net unrealized (losses)/gains arising during the period, net of tax		9,073	(2,015)	0	[1]	(515)	[1]
Total other comprehensive (loss)/income, pre-tax		12,881	(2,860)	23,634		(16,093)
Total other comprehensive (loss)/income, tax		3,808	(845)	6,986		(4,757)
Total other comprehensive (loss)/income, net of tax		9,073	(2,015)	16,648		(11,336)
Ending balance, loss, net of tax		$ (1,358)	$ (22,921)	(1,358)		(22,921)
Reclassification adjustment for equity securities, pre-tax	[2]			0		(12,151)
Reclassification adjustment for equity securities, tax	[2]			0		(3,592)
Reclassification adjustment for equity securities, net of tax	[2]			0		(8,559)
Reclassification adjustment for net losses/(gains) included in net income, pre-tax				23,634		(16,093)
Reclassification adjustment for net losses/(gains) included in net income, tax				6,986		(4,757)
Reclassification adjustment for net losses/(gains) included in net income, net of tax				$ 16,648		$ (11,336)
[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.

Note 20 - Stock Repurchase Pr_2

Note 20 - Stock Repurchase Program (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended	8 Months Ended	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	May 07, 2019	Oct. 26, 2018
Treasury Stock, Value, Acquired, Cost Method	$ 23,008	$ 31,609
October 26, 2018 Stock Repurchase Program [Member]
Stock Repurchase Program, Authorized Amount						$ 45,000
Treasury Stock, Shares, Acquired		268,660	1,182,060	913,400
Treasury Stock, Value, Acquired, Cost Method		$ 9,900		$ 35,100
Treasury Stock Acquired, Average Cost Per Share		$ 36.83	$ 38.07	$ 38.43
May 2019 Repurchase Program [Member]
Stock Repurchase Program, Authorized Amount					$ 50,000
Treasury Stock, Shares, Acquired	606,934
Treasury Stock, Value, Acquired, Cost Method	$ 21,700
Treasury Stock Acquired, Average Cost Per Share	$ 35.78
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 28,300	$ 28,300	$ 28,300