ConnectOne Bancorp (CNOB) 10-Q 3 Nov 23 2023 Q3 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2023	Nov. 03, 2023
Document Information [Line Items]
Entity Central Index Key	0000712771
Entity Registrant Name	ConnectOne Bancorp, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2023
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	000-11486
Entity Incorporation, State or Country Code	NJ
Entity Tax Identification Number	52-1273725
Entity Address, Address Line One	301 Sylvan Avenue
Entity Address, City or Town	Englewood Cliffs
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07632
City Area Code	201
Local Phone Number	816-8900
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		38,606,370
Depositary Shares [Member]
Document Information [Line Items]
Title of 12(b) Security	Depositary Shares (each representing a 1/40th interest in a share of 5.25% Series A Non-Cumulative, perpetual preferred stock)
Trading Symbol	CNOBP
Security Exchange Name	NASDAQ
Common Stock [Member]
Document Information [Line Items]
Title of 12(b) Security	Common stock
Trading Symbol	CNOB
Security Exchange Name	NASDAQ

Consolidated Statements of Cond

Consolidated Statements of Condition (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
ASSETS
Cash and due from banks	$ 56,170	$ 61,629
Interest-bearing deposits with banks	197,128	206,686
Cash and cash equivalents	253,298	268,315
Investment securities	581,867	634,884
Equity securities	17,677	15,811
Loans held-for-sale	0	13,772
Loans receivable	8,181,109	8,099,689
Less: Allowance for credit losses - loans	88,230	90,513
Net loans receivable	8,092,879	8,009,176
Investment in restricted stock, at cost	49,387	46,604
Bank premises and equipment, net	28,432	27,800
Accrued interest receivable	46,795	46,062
Bank owned life insurance	236,009	231,328
Right of use operating lease assets	11,229	10,179
Other real estate owned	0	264
Goodwill	208,372	208,372
Core deposit intangibles	6,222	7,312
Other assets	146,718	125,069
Total assets	9,678,885	9,644,948
Deposits:
Noninterest-bearing	1,224,125	1,501,614
Interest-bearing	6,214,370	5,855,008
Total deposits	7,438,495	7,356,622
Borrowings	887,590	857,622
Subordinated debentures, net	79,313	153,255
Operating lease liabilities	12,424	11,397
Other liabilities	72,909	87,301
Total liabilities	8,490,731	8,466,197
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS’ EQUITY
Preferred Stock, no par value; $1,000 per share liquidation preference; Authorized 5,000,000 shares; issued 115,000 shares as of September 30, 2023 and as of December 31, 2022; outstanding 115,000 shares as of September 30, 2023 and as of December 31, 2022	110,927	110,927
Common stock, no par value: Authorized 100,000,000 shares; issued 42,122,948 shares as of September 30, 2023 and 41,942,149 shares as of December 31, 2022; outstanding 38,621,970 shares as of September 30, 2023 and 39,243,123 as of December 31, 2022	586,946	586,946
Additional paid-in capital	32,027	30,126
Retained earnings	579,776	535,915
Treasury stock, at cost 3,500,978 common shares as of September 30, 2023 and 2,699,026 as of December 31, 2022	(68,108)	(52,799)
Accumulated other comprehensive loss	(53,414)	(32,364)
Total stockholders’ equity	1,188,154	1,178,751
Total liabilities and stockholders’ equity	$ 9,678,885	$ 9,644,948

Consolidated Statements of Co_2

Consolidated Statements of Condition (Current Period Unaudited) (Parentheticals) - $ / shares	Sep. 30, 2023	Dec. 31, 2022
Preferred Stock, No Par Value (in dollars per share)	$ 0	$ 0
Peferred Stock, Liquidation Preference Per Share (in dollars per share)	$ 1,000	$ 1,000
Preferred Stock, Shares Authorized (in shares)	5,000,000	5,000,000
Preferred Stock, Shares Issued (in shares)	115,000	115,000
Preferred Stock, Shares Outstanding (in shares)	115,000	115,000
Common Stock, No Par Value (in dollars per share)	$ 0	$ 0
Common Stock, Shares Authorized (in shares)	100,000,000	100,000,000
Common Stock, Shares, Issued (in shares)	42,122,948	41,942,149
Common Stock, Shares, Outstanding (in shares)	38,621,970	39,243,123
Treasury Stock, Common, Shares (in shares)	3,500,978	2,699,026

Consolidated Statements of Inco

Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest and fees on loans	$ 115,405	$ 90,731	$ 333,356	$ 248,041
Interest and dividends on investment securities:
Taxable	4,128	4,063	12,386	8,487
Tax-exempt	1,136	1,083	3,475	2,708
Dividends	907	438	2,750	943
Interest on federal funds sold and other short-term investments	2,110	665	9,141	1,098
Total interest income	123,686	96,980	361,108	261,277
Interest expense
Deposits	56,043	13,299	146,844	24,018
Borrowings	5,286	5,520	20,980	13,149
Total interest expense	61,329	18,819	167,824	37,167
Net interest income	62,357	78,161	193,284	224,110
Provision for credit losses	1,500	10,000	5,500	14,450
Net interest income after provision for credit losses	60,857	68,161	187,784	209,660
Noninterest income
Deposit, loan and other income	1,605	1,969	4,553	5,578
Income on bank owned life insurance	1,597	1,521	4,681	4,069
Net gains on sale of loans held-for-sale	633	262	1,232	1,519
Net losses on equity securities	(273)	(430)	(674)	(1,431)
Total noninterest income	3,562	3,322	9,792	9,735
Noninterest expenses
Salaries and employee benefits	22,276	21,025	66,289	59,470
Occupancy and equipment	2,738	2,600	8,176	7,262
FDIC insurance	1,800	720	4,465	2,051
Professional and consulting	1,834	1,980	5,960	5,896
Marketing and advertising	554	461	1,642	1,238
Information technology and communications	3,487	2,747	10,192	8,414
Amortization of intangibles	347	409	1,090	1,276
Other components of net periodic pension expense	(25)	(143)	(76)	(429)
Increase in value of acquisition price	0	0	0	1,516
Other expenses	2,773	2,344	8,366	6,382
Total noninterest expenses	35,784	32,143	106,104	93,076
Income before income tax expense	28,635	39,340	91,472	126,319
Income tax expense	7,228	10,425	23,742	33,665
Net income	21,407	28,915	67,730	92,654
Preferred dividends	1,509	1,509	4,527	4,527
Net income available to common stockholders	$ 19,898	$ 27,406	$ 63,203	$ 88,127
Earnings per common share
Basic (in dollars per share)	$ 0.51	$ 0.7	$ 1.62	$ 2.24
Diluted (in dollars per share)	$ 0.51	$ 0.7	$ 1.61	$ 2.23

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net income	$ 21,407	$ 28,915	$ 67,730	$ 92,654
Other comprehensive income (loss):
Unrealized holding losses on available-for-sale securities arising during the period	(32,285)	(39,912)	(36,060)	(94,428)
Tax effect	9,177	11,471	10,087	27,178
Net of tax	(23,108)	(28,441)	(25,973)	(67,250)
Unrealized gains on cash flow hedges	9,768	16,969	19,832	44,253
Tax effect	(2,938)	(5,094)	(5,966)	(13,381)
Net of tax	6,830	11,875	13,866	30,872
Reclassification adjustment for realized gains on cash flow hedges	(4,793)	(1,178)	(13,013)	(524)
Tax effect	1,442	343	3,915	159
Net of tax	(3,351)	(835)	(9,098)	(365)
Unrealized gains on pension plan	0	0	0	2,187
Tax effect	0	0	0	(567)
Net of tax	0	0	0	1,620
Reclassification adjustment for realized losses on pension plan included in net income	74	17	222	49
Tax effect	(22)	(5)	(67)	(14)
Net of tax	52	12	155	35
Total other comprehensive loss	(19,577)	(17,389)	(21,050)	(35,088)
Total comprehensive income	$ 1,830	$ 11,526	$ 46,680	$ 57,566

Consolidated Statements of Chan

Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Performance Shares [Member] Preferred Stock [Member]	Performance Shares [Member] Common Stock [Member]	Performance Shares [Member] Additional Paid-in Capital [Member]	Performance Shares [Member] Retained Earnings [Member]	Performance Shares [Member] Treasury Stock, Common [Member]	Performance Shares [Member] AOCI Attributable to Parent [Member]	Performance Shares [Member]	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock, Common [Member]	AOCI Attributable to Parent [Member]	Total
Balance at Dec. 31, 2021								$ 110,927	$ 586,946	$ 27,246	$ 440,169	$ (39,672)	$ (1,404)	$ 1,124,212
Net income								0	0	0	92,654	0	0	92,654
Other comprehensive income (loss), net of tax								0	0	0	0	0	(35,088)	(35,088)
Cash dividends paid on preferred stock											(4,527)			(4,527)
Cash dividends paid on common stock								0	0	0	(17,339)	0	0	(17,339)
Exercise of stock options								0	0	124	0	0	0	124
Net shares issued in satisfaction of units earned	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	0	0	0	0	0	0	0
Restricted stock grants, net of forfeitures								0	0	0	0	0	0	0
Repurchase of stock								0	0	0	0	(13,127)	0	(13,127)
Stock-based compensation expense								0	0	3,519	0	0	0	3,519
Balance at Sep. 30, 2022								110,927	586,946	28,756	510,957	(52,799)	(36,492)	1,148,295
Stock grants								0	0	0	0	0	0	0
Share redemption for tax withholdings on performance units and deferred stock units earned								0	0	(2,133)	0	0	0	(2,133)
Balance at Jun. 30, 2022								110,927	586,946	27,536	489,640	(52,799)	(19,103)	1,143,147
Net income								0	0	0	28,915	0	0	28,915
Other comprehensive income (loss), net of tax								0	0	0	0	0	(17,389)	(17,389)
Cash dividends paid on preferred stock											(1,509)			(1,509)
Cash dividends paid on common stock								0	0	0	(6,089)	0	0	(6,089)
Stock-based compensation expense								0	0	1,220	0	0	0	1,220
Balance at Sep. 30, 2022								110,927	586,946	28,756	510,957	(52,799)	(36,492)	1,148,295
Balance at Dec. 31, 2022								110,927	586,946	30,126	535,915	(52,799)	(32,364)	1,178,751
Net income								0	0	0	67,730	0	0	67,730
Other comprehensive income (loss), net of tax								0	0	0	0	0	(21,050)	(21,050)
Cash dividends paid on preferred stock								0	0	0	(4,527)	0	0	(4,527)
Cash dividends paid on common stock								0	0	0	(19,342)	0	0	(19,342)
Exercise of stock options								0	0	96	0	0	0	96
Net shares issued in satisfaction of units earned	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	0	0	0	0	0	0	0
Restricted stock grants, net of forfeitures								0	0	0	0	0	0	0
Repurchase of stock								0	0	0	0	(15,309)	0	(15,309)
Stock-based compensation expense								0	0	3,641	0	0	0	3,641
Balance at Sep. 30, 2023								110,927	586,946	32,027	579,776	(68,108)	(53,414)	1,188,154
Stock grants								0	0	0	0	0	0	0
Share redemption for tax withholdings on performance units and deferred stock units earned								0	0	(1,836)	0	0	0	(1,836)
Balance at Jun. 30, 2023								110,927	586,946	30,740	566,498	(61,877)	(33,837)	1,199,397
Net income								0	0	0	21,407	0	0	21,407
Other comprehensive income (loss), net of tax								0	0	0	0	0	(19,577)	(19,577)
Cash dividends paid on preferred stock								0	0	0	(1,509)	0	0	(1,509)
Cash dividends paid on common stock								0	0	0	(6,620)	0	0	(6,620)
Exercise of stock options								0	0	11	0	0	0	11
Net shares issued in satisfaction of units earned								0	0	0	0	0	0	0
Restricted stock grants, net of forfeitures								0	0	0	0	0	0	0
Repurchase of stock								0	0	0	0	(6,231)	0	(6,231)
Stock-based compensation expense								0	0	1,276	0	0	0	1,276
Balance at Sep. 30, 2023								$ 110,927	$ 586,946	$ 32,027	$ 579,776	$ (68,108)	$ (53,414)	$ 1,188,154

Consolidated Statements of Ch_2

Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Performance Shares [Member]
Net shares issued in satisfaction of units earned, shares (in shares)			52,353	22,350
Cash dividend declared on preferred stock, per share (in dollars per share)	$ 0.328125	$ 0.328125	$ 0.984375	$ 0.984375
Cash dividends declared on common stock, per share (in dollars per share)	$ 0.17	$ 0.155	$ 0.51	$ 0.44
Exercise of options, shares (in shares)	646		7,388	15,086
Net shares issued in satisfaction of units earned, shares (in shares)	3,938		36,006	31,383
Restricted stock grants, shares (i (in shares)	2,477		84,057	53,169
Repurchase of stock, shares (in shares)	316,789		801,952	447,108
Stock grants, shares (in shares)			995	153

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities
Net income	$ 67,730	$ 92,654
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of premises and equipment	3,355	2,903
Provision for credit losses	5,500	14,450
Amortization of intangibles	1,090	1,276
Net accretion of loans	(1,618)	(2,448)
Accretion on bank premises	(37)	(37)
Accretion on deposits	(232)	(657)
Amortization on borrowings, net	16	27
Stock-based compensation	3,641	3,519
Losses on equity securities, net	674	1,431
Gains on sale of loans held-for-sale, net	(1,232)	(1,519)
Loans originated for resale	(19,511)	(18,619)
Proceeds from sale of loans held-for-sale	29,531	25,955
Loss on sale of other real estate owned	22	6
Increase in cash surrender value of bank owned life insurance	(4,681)	(4,069)
Amortization of premium and accretion of discounts on securities available-for-sale	821	1,848
Amortization of subordinated debentures issuance costs	1,058	228
Increase in accrued interest receivable	(733)	(4,788)
Net change in operating leases	(23)	(142)
Increase in other assets	(6,861)	(4,781)
Decrease in other liabilities	(13,949)	(12,291)
Net cash provided by operating activities	64,561	94,946
Cash flows from investing activities
Purchases	(33,454)	(320,946)
Maturities, calls and principal repayments	49,590	135,548
Purchase of equity securities	(2,540)	(3,200)
Net purchases of restricted investment in bank stocks	(2,783)	(17,498)
Cash flow hedge premium payment	0	(6,965)
Payments on loans held-for-sale	25	5
Net increase in loans	(82,847)	(1,084,483)
Purchase of bank owned life insurance	0	(30,000)
Purchases of premises and equipment	(3,950)	(2,353)
Proceeds from sale of OREO	242	309
Net cash used in investing activities	(75,717)	(1,329,583)
Cash flows from financing activities
Net increase in deposits	82,105	978,214
Advances of Federal Home Loan Bank (“FHLB”) borrowings	2,391,500	2,305,181
Repayments of subordinated debt	(75,000)	0
Repayments of borrowings	(2,361,548)	(1,943,448)
Cash dividends on preferred stock	(4,527)	(4,528)
Cash dividends paid on common stock	(19,342)	(17,338)
Repurchase of treasury stock	(15,309)	(13,127)
Proceeds from exercise of stock options	96	124
Share redemption for tax withholdings on performance units and deferred stock units earned	(1,836)	(2,133)
Net cash (used by) provided by financing activities	(3,861)	1,302,945
Net change in cash and cash equivalents	(15,017)	68,308
Cash and cash equivalents at beginning of period	268,315	265,536
Cash and cash equivalents at end of period	253,298	333,844
Supplemental disclosures of cash flow information
Interest paid on deposits and borrowings	164,108	34,552
Income taxes	27,377	31,426
Supplemental disclosures of noncash activities
Transfer of loans held-for-investment to other real estate owned	0	579
Transfer of loans from held-for-sale to held-for-investment	11,197	0
Transfer of loans from held-for-investment to held-for-sale	$ 16,156	$ 13,652

Note 1a - Nature of Operations,

Note 1a - Nature of Operations, Principles of Consolidation and Risk and Uncertainties	9 Months Ended
	Sep. 30, 2023
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	1a. Nature of Operations, Principles of Consolidation and Risk and Uncertainties Nature of Operations ConnectOne Bancorp, Inc. (the “Parent Corporation”) is incorporated under the laws of the State of New Jersey and is a registered bank holding company under the Bank Holding Company Act of 1956, 1, The Bank is a community-based, full-service New Jersey-chartered commercial bank that was founded in 2005. 301 24 Basis of Presentation and Principles of Consolidation The consolidated financial statements have been prepared in conformity with U.S. generally accepted accounting principles. The consolidated financial statements of the Parent Corporation are prepared on an accrual basis and include the accounts of the Parent Corporation and the Company. All significant intercompany accounts and transactions have been eliminated from the accompanying consolidated financial statements. Segments FASB ASC 28, one not one Use of Estimates In preparing the consolidated financial statements, management has made estimates and assumptions that affect the reported amounts of assets and liabilities as of the dates of the consolidated statements of condition and that affect the results of operations for the periods presented. Actual results could differ significantly from those estimates. Risks and Uncertainties The United States economy is currently experiencing a level of price inflation not 1970’s 1980’s. may Adoption of New Accounting Standards in 2023 In March 2022, 2022 02, 326 2022 02” 2022 02 310 40, 2016 13, 326 2016 13” 2022 02 326 20, 2022 02 December 15, 2022, 2022 02 January 1, 2023 not Newly Issued, But Not In June 2022, 2022 03, 820 2022 03” 2022 03 not not 2022 03 December 15, 2023, 2022 03

Note 2 - Earnings Per Common Sh

Note 2 - Earnings Per Common Share	9 Months Ended
	Sep. 30, 2023
Notes to Financial Statements
Earnings Per Share [Text Block]	Note 2. Earnings per Common Share Financial Accounting Standards Board Accounting Standards Codification (“FASB ASC”) No. 260 10 45 two Earnings per common share have been computed based on the following: Three Months Ended Nine Months Ended September 30, September 30, (dollars in thousands, except for per share data) 2023 2022 2023 2022 Net income available to common stockholders $ 19,898 $ 27,406 $ 63,203 $ 88,127 Earnings allocated to participating securities (63 ) (67 ) (160 ) (217 ) Income attributable to common stock $ 19,835 $ 27,339 $ 63,043 $ 87,910 Weighted average common shares outstanding, including participating securities 38,817 39,243 39,020 39,393 Weighted average participating securities (123 ) (96 ) (99 ) (97 ) Weighted average common shares outstanding 38,694 39,147 38,921 39,296 Incremental shares from assumed conversions of options, performance units and restricted shares 135 192 135 214 Weighted average common and equivalent shares outstanding 38,829 39,339 39,056 39,510 Earnings per common share: Basic $ 0.51 $ 0.70 $ 1.62 $ 2.24 Diluted 0.51 0.70 1.61 2.23 There were no antidilutive share equivalents during the nine September 30, 2023 September 30, 2022

Note 3 - Investment Securities

Note 3 - Investment Securities	9 Months Ended
	Sep. 30, 2023
Notes to Financial Statements
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	Note 3. Investment Securities All of the Company’s investment securities are classified as available-for-sale as of September 30, 2023 December 31, 2022 September 30, 2023 December 31, 2022 6 The following tables present information related to the Company’s portfolio of securities available-for-sale as of September 30, 2023 December 31, 2022 Allowance for Gross Gross Investment Amortized Unrealized Unrealized Fair Credit Cost Gains Losses Value Losses (dollars in thousands) September 30, 2023 Investment securities available-for-sale: Federal agency obligations $ 57,243 $ - $ (13,274 ) $ 43,969 $ - Residential mortgage pass-through securities 466,362 - (76,935 ) 389,427 - Commercial mortgage pass-through securities 25,303 - (5,376 ) 19,927 - Obligations of U.S. states and political subdivisions 150,218 - (27,319 ) 122,899 - Corporate bonds and notes 3,000 - (39 ) 2,961 - Asset-backed securities 1,354 - (32 ) 1,322 - Other securities 1,362 - - 1,362 - Total investment securities available-for-sale $ 704,842 $ - $ (122,975 ) $ 581,867 $ - December 31, 2022 Investment securities available-for-sale: Federal agency obligations $ 54,889 $ - $ (10,439 ) $ 44,450 $ - Residential mortgage pass-through securities 475,263 178 (57,863 ) 417,578 - Commercial mortgage pass-through securities 25,485 - (4,381 ) 21,104 - Obligations of U.S. states and political subdivisions 157,247 111 (14,462 ) 142,896 - Corporate bonds and notes 7,000 - (26 ) 6,974 - Asset-backed securities 1,673 - (33 ) 1,640 - Other securities 242 - - 242 - Total investment securities available-for-sale $ 721,799 $ 289 $ (87,204 ) $ 634,884 $ - Investment securities having a carrying value of approximately $332.5 million and $157.0 million as of September 30, 2023 December 31, 2022 September 30, 2023 December 31, 2022 one 10% The following table presents information for investments in securities available-for-sale as of September 30, 2023 not September 30, 2023 Amortized Fair Cost Value (dollars in thousands) Investment securities available-for-sale: Due in one year or less $ 2,000 $ 1,967 Due after one year through five years 4,389 4,331 Due after five years through ten years 1,856 1,783 Due after ten years 203,570 163,070 Residential mortgage pass-through securities 466,362 389,427 Commercial mortgage pass-through securities 25,303 19,927 Other securities 1,362 1,362 Total investment securities available-for-sale $ 704,842 $ 581,867 There were no realized gains or losses on securities during the nine September 30, 2023 September 30, 2022 Impairment Analysis of Available-for-Sale Debt Securities The following tables indicate securities in an unrealized loss position for which an allowance for credit losses (“ACL”) has not September 30, 2023 December 31, 2022 September 30, 2023 Total Less than 12 Months 12 Months or Longer Fair Unrealized Fair Unrealized Fair Unrealized Value Losses Value Losses Value Losses (dollars in thousands) Investment securities available-for-sale: Federal agency obligations $ 43,969 $ (13,274 ) $ 6,056 $ (194 ) $ 37,913 $ (13,080 ) Residential mortgage pass-through securities 389,427 (76,935 ) 28,555 (858 ) 360,872 (76,077 ) Commercial mortgage pass-through securities 19,927 (5,376 ) - - 19,927 (5,376 ) Obligations of U.S. states and political subdivisions 122,899 (27,319 ) 22,739 (1,825 ) 100,160 (25,494 ) Corporate bonds and notes 2,961 (39 ) 994 (6 ) 1,967 (33 ) Asset-backed securities 1,322 (32 ) - - 1,322 (32 ) Total temporarily impaired securities $ 580,505 $ (122,975 ) $ 58,344 $ (2,883 ) $ 522,161 $ (120,092 ) December 31, 2022 Total Less than 12 Months 12 Months or Longer Fair Unrealized Fair Unrealized Fair Unrealized Value Losses Value Losses Value Losses (dollars in thousands) Investment securities available-for-sale: Federal agency obligations $ 44,451 $ (10,439 ) $ 20,517 $ (1,831 ) $ 23,934 $ (8,608 ) Residential mortgage pass-through securities 403,039 (57,863 ) 218,918 (13,869 ) 184,121 (43,994 ) Commercial mortgage pass-through securities 21,105 (4,381 ) 14,523 (2,304 ) 6,582 (2,077 ) Obligations of U.S. states and political subdivisions 133,265 (14,462 ) 47,446 (3,404 ) 85,819 (11,058 ) Corporate bonds and notes 4,973 (26 ) 4,973 (26 ) - - Asset-backed securities 1,640 (33 ) 1,048 (16 ) 592 (17 ) Total temporarily impaired securities $ 608,473 $ (87,204 ) $ 307,425 $ (21,450 ) $ 301,048 $ (65,754 ) The Company has elected to exclude accrued interest from the amortized cost of its investment securities available-for-sale. Accrued interest receivable for investment securities available-for-sale as of September 30, 2023 December 31, 2022 The Company evaluates securities in an unrealized loss position for impairment related to credit losses on at least a quarterly basis. Securities in unrealized loss positions are first not one not not not not not September 30, 2023. Federal agency obligations, residential mortgage-backed pass-through securities and commercial mortgage-backed pass-through securities are issued by U.S. Government agencies and U.S. Government sponsored enterprises. Although a government guarantee exists on these investments, these entities are not 2008. not not zero

Note 4 - Derivatives

Note 4 - Derivatives	9 Months Ended
	Sep. 30, 2023
Notes to Financial Statements
Derivative Instruments and Hedging Activities Disclosure [Text Block]	Note 4. As part of our overall asset liability management strategy the Company uses derivative instruments, which can include interest rate swaps, collars, caps, and floors. The notional amount does not not Derivatives Designated as Hedges Subsequent changes in fair value for a hedging instrument that has been designated and qualifies as part of a hedging relationship are accounted for in the following manner: 1 2 As long as a hedging instrument is designated and the results of the effectiveness testing support that the instrument qualifies for hedge accounting treatment, 100% not no Cash Flow Hedges The Company entered into eleven pay fixed-rate interest rate swaps, with a total notional amount of $500 million, all of which were entered into in 2021 2022. eleven December 2025 March 2028. no no The Company previously entered into two one October 1, 2022 October 2027 one November 2022 November 2027. $225 No Net interest income recorded on these swap and interest rate cap transactions totaled approximately $5.5 million and $14.6 million during the three nine September 30, 2023 three nine September 30, 2022, The following table presents the net gains (losses) recorded in other comprehensive income and the Consolidated Statements of Income relating to the cash flow hedge derivative instruments for the periods indicated: Nine Months Ended September 30, 2023 Amount of gain (loss) recognized in OCI (Effective Portion) Amount of (gain) loss reclassified from OCI to interest expense Amount of gain recognized in other Noninterest income (Ineffective Portion) (dollars in thousands) Interest rate contracts $ 19,832 $ (13,013 ) $ - Nine Months Ended September 30, 2022 Amount of gain (loss) recognized in OCI (Effective Portion) Amount of (gain) loss reclassified from OCI to interest expense Amount of gain recognized in other Noninterest income (Ineffective Portion) (dollars in thousands) Interest rate contracts $ 44,253 $ (524 ) $ - The following table reflects the cash flow hedges included in the consolidated statements of condition as of September 30, 2023 December 31, 2022 September 30, 2023 December 31, 2022 Notional Amount Fair Value Notional Amount Fair Value (dollars in thousands) Interest rate contracts $ 950,000 $ 61,972 $ 950,000 $ 56,797

Note 5 - Loans and the Allowanc

Note 5 - Loans and the Allowance for Credit Losses	9 Months Ended
	Sep. 30, 2023
Notes to Financial Statements
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	Note 5. Loans Receivable September 30, 2023 December 31, 2022 September 30, 2023 December 31, 2022 (dollars in thousands) Commercial $ 1,475,571 $ 1,472,734 Commercial real estate 5,837,539 5,795,228 Commercial construction 622,748 574,139 Residential real estate 251,416 264,748 Consumer 936 2,312 Gross loans 8,188,210 8,109,161 Net deferred loan fees (7,101 ) (9,472 ) Total loans receivable $ 8,181,109 $ 8,099,689 As of September 30, 2023 December 31, 2022 Loans held-for-sale - September 30, 2023 December 31, 2022 September 30, 2023 December 31, 2022 (dollars in thousands) Commercial real estate $ - $ 13,473 Residential real estate - 299 Total carrying amount $ - $ 13,772 Loans Receivable on Nonaccrual Status - September 30, 2023 December 31, 2022 September 30, 2023 Nonaccrual loans with ACL Nonaccrual loans without ACL Total nonaccrual loans (dollars in thousands) Commercial $ 21,604 $ 555 $ 22,159 Commercial real estate 70 29,754 29,824 Residential real estate 806 3,270 4,076 Total $ 22,480 $ 33,579 $ 56,059 December 31, 2022 Nonaccrual loans with ACL Nonaccrual loans without ACL Total nonaccrual loans (dollars in thousands) Commercial $ 23,512 $ 1,745 $ 25,257 Commercial real estate 10,220 6,597 16,817 Residential real estate 604 1,776 2,380 Total $ 34,336 $ 10,118 $ 44,454 Nonaccrual loans include both smaller balance homogeneous loans that are collectively evaluated and individually evaluated. Credit Quality Indicators third no not may not We evaluate whether a modification, extension or renewal of a loan is a current period origination in accordance with GAAP. Generally, loans up for renewal are subject to a full credit evaluation before the renewal is granted and such loans are considered current period originations for purpose of the table below. The following table presents loans by origination and risk designation as of September 30, 2023 Term loans amortized cost basis by origination year 2023 2022 2021 2020 2019 Prior Revolving Loans Total Gross Loans Commercial Pass $ 146,241 $ 259,603 $ 271,580 $ 41,459 $ 13,749 $ 119,592 $ 590,667 $ 1,442,891 Special mention - 337 86 - 567 3,445 3,989 8,424 Substandard 304 1,316 163 4 1,551 19,559 1,359 24,256 Doubtful - - - - - - - - Total Commercial $ 146,545 $ 261,256 $ 271,829 $ 41,463 $ 15,867 $ 142,596 $ 596,015 $ 1,475,571 Commercial Real Estate Pass $ 170,541 $ 1,572,880 $ 1,581,212 $ 356,251 $ 355,665 $ 1,269,678 $ 462,573 $ 5,768,800 Special mention - - - - - 26,421 - 26,421 Substandard - - 1,899 - 2,625 20,964 16,830 42,318 Doubtful - - - - - - - - Total Commercial Real Estate $ 170,541 $ 1,572,880 $ 1,583,111 $ 356,251 $ 358,290 $ 1,317,063 $ 479,403 $ 5,837,539 Commercial Construction Pass $ 582 $ 5,693 $ 15,682 $ 6,236 $ - $ - $ 585,855 $ 614,048 Special mention - - - - - - - - Substandard - - - - - - 8,700 8,700 Doubtful - - - - - - - - Total Commercial Construction $ 582 $ 5,693 $ 15,682 $ 6,236 $ - $ - $ 594,555 $ 622,748 Residential Pass $ 8,009 $ 43,048 $ 23,247 $ 21,863 $ 20,059 $ 92,966 $ 34,663 $ 243,855 Special mention - - - - - 655 2,830 3,485 Substandard - - 563 438 - 2,520 555 4,076 Doubtful - - - - - - - - Total Residential Real Estate $ 8,009 $ 43,048 $ 23,810 $ 22,301 $ 20,059 $ 96,141 $ 38,048 $ 251,416 Consumer Pass $ 747 $ 96 $ - $ 6 $ - $ - $ 87 $ 936 Special mention - - - - - - - - Substandard - - - - - - - - Doubtful - - - - - - - - Total Consumer $ 747 $ 96 $ - $ 6 $ - $ - $ 87 $ 936 Total Pass $ 326,120 $ 1,881,320 $ 1,891,721 $ 425,815 $ 389,473 $ 1,482,236 $ 1,673,845 $ 8,070,530 Special mention - 337 86 - 567 30,521 6,819 38,330 Substandard 304 1,316 2,625 442 4,176 43,043 27,444 79,350 Doubtful - - - - - - - - Grand Total $ 326,424 $ 1,882,973 $ 1,894,432 $ 426,257 $ 394,216 $ 1,555,800 $ 1,708,108 $ 8,188,210 The following table presents loans by origination and risk designation as of December 31, 2022 Term loans amortized cost basis by origination year 2022 2021 2020 2019 2018 Prior Revolving Loans Total Gross Loans Commercial Pass $ 301,636 $ 305,721 $ 47,952 $ 28,177 $ 52,950 $ 127,739 $ 550,483 $ 1,414,658 Special mention - - - 583 26 8,551 3,292 12,452 Substandard 7,615 146 15 1,769 11,214 22,596 2,269 45,624 Doubtful - - - - - - - - Total Commercial $ 309,251 $ 305,867 $ 47,967 $ 30,529 $ 64,190 $ 158,886 $ 556,044 $ 1,472,734 Commercial Real Estate Pass $ 1,571,751 $ 1,608,023 $ 382,987 $ 358,578 $ 375,886 $ 987,982 $ 401,365 $ 5,686,572 Special mention 3,040 - - - - 37,774 8,839 49,653 Substandard - 1,929 - 6,526 19,138 23,287 8,123 59,003 Doubtful - - - - - - - - Total Commercial Real Estate $ 1,574,791 $ 1,609,952 $ 382,987 $ 365,104 $ 395,024 $ 1,049,043 $ 418,327 $ 5,795,228 Commercial Construction Pass $ 8,615 $ 7,605 $ 6,720 $ 508 $ - $ - $ 542,460 $ 565,908 Special mention - - - - - - - - Substandard - - - - - - 8,231 8,231 Doubtful - - - - - - - - Total Commercial Construction $ 8,615 $ 7,605 $ 6,720 $ 508 $ - $ - $ 550,691 $ 574,139 Residential Real Estate Pass $ 45,926 $ 25,318 $ 24,409 $ 21,557 $ 20,284 $ 78,314 $ 41,468 $ 257,276 Special mention - - - - - - - - Substandard - - - - - 3,379 4,093 7,472 Doubtful - - - - - - - - Total Residential Real Estate $ 45,926 $ 25,318 $ 24,409 $ 21,557 $ 20,284 $ 81,693 $ 45,561 $ 264,748 Consumer Pass $ 2,219 $ - $ 9 $ - $ - $ 2 $ 82 $ 2,312 Special mention - - - - - - - - Substandard - - - - - - - - Doubtful - - - - - - - - Total Consumer $ 2,219 $ - $ 9 $ - $ - $ 2 $ 82 $ 2,312 Total Pass $ 1,930,147 $ 1,946,667 $ 462,077 $ 408,820 $ 449,120 $ 1,194,037 $ 1,535,858 $ 7,926,726 Special mention 3,040 - - 583 26 46,325 12,131 62,105 Substandard 7,615 2,075 15 8,295 30,352 49,262 22,716 120,330 Doubtful - - - - - - - - Grand Total $ 1,940,802 $ 1,948,742 $ 462,092 $ 417,698 $ 479,498 $ 1,289,624 $ 1,570,705 $ 8,109,161 Collateral Dependent Loans September 30, 2023 December 31, 2022 September 30, 2023 Real Estate Other Total (dollars in thousands) Commercial $ 4,891 $ 14,719 $ 19,610 Commercial real estate 41,636 - 41,636 Commercial construction 8,700 - 8,700 Residential real estate 6,755 - 6,755 Total $ 61,982 $ 14,719 $ 76,701 December 31, 2022 Real Estate Other Total (dollars in thousands) Commercial $ 5,352 $ 22,517 $ 27,869 Commercial real estate 52,477 - 52,477 Commercial construction 8,232 - 8,232 Residential real estate 5,864 - 5,864 Total $ 71,925 $ 22,517 $ 94,442 Aging Analysis - September 30, 2023 December 31, 2022: September 30, 2023 30-59 Days Past Due 60-89 Days Past Due 90 Days or Greater Past Due and Still Accruing Nonaccrual Total Past Due and Nonaccrual Current Gross Loans (dollars in thousands) Commercial $ 433 $ 1,979 $ - $ 22,159 $ 24,571 $ 1,451,000 $ 1,475,571 Commercial real estate - 597 - 29,824 30,421 5,807,118 5,837,539 Commercial construction - - - - - 622,748 622,748 Residential real estate 227 - - 4,076 4,303 247,113 251,416 Consumer - 254 - - 254 682 936 Total $ 660 $ 2,830 $ - $ 56,059 $ 59,549 $ 8,128,661 $ 8,188,210 December 31, 2022 30-59 Days Past Due 60-89 Days Past Due 90 Days or Greater Past Due and Still Accruing Nonaccrual Total Past Due and Nonaccrual Current Gross Loans (dollars in thousands) Commercial $ 306 $ - $ - $ 25,257 $ 25,563 $ 1,447,171 $ 1,472,734 Commercial real estate 90 - 5,591 16,817 22,498 5,772,730 5,795,228 Commercial construction - - - - - 574,139 574,139 Residential real estate 1,569 - - 2,380 3,949 260,799 264,748 Consumer - - - - - 2,312 2,312 Total $ 1,965 $ - $ 5,591 $ 44,454 $ 52,010 $ 8,057,151 $ 8,109,161 The following tables detail, at the period-end presented, the amount of gross loans (excluding loans held-for-sale) that are evaluated individually, and collectively, for impairment, those acquired with deteriorated quality, and the related portion of the allowance for credit losses that are allocated to each loan portfolio segment: September 30, 2023 Commercial Commercial real estate Commercial construction Residential real estate Consumer Total (dollars in thousands) Allowance for credit losses - loans Individually evaluated impairment $ 7,685 $ 661 $ - $ - $ - $ 8,346 Collectively evaluated impairment 19,433 52,072 3,909 3,732 5 79,151 Acquired with deteriorated credit quality individually analyzed 733 - - - - 733 Total $ 27,851 $ 52,733 $ 3,909 $ 3,732 $ 5 $ 88,230 Gross loans Individually evaluated impairment $ 24,676 $ 41,636 $ 8,700 $ 6,755 $ - $ 81,767 Collectively evaluated impairment 1,450,405 5,795,903 614,048 244,661 936 8,105,953 Acquired with deteriorated credit quality individually analyzed 490 - - - - 490 Total $ 1,475,571 $ 5,837,539 $ 622,748 $ 251,416 $ 936 $ 8,188,210 December 31, 2022 Commercial Commercial real estate Commercial construction Residential real estate Consumer Total (dollars in thousands) Allowance for credit losses - loans Individually evaluated impairment $ 7,426 $ 1,003 $ - $ 50 $ - $ 8,479 Collectively evaluated impairment 19,319 50,818 3,718 4,093 7 77,955 Acquired with deteriorated credit quality individually analyzed 2,158 1,921 - - - 4,079 Total $ 28,903 $ 53,742 $ 3,718 $ 4,143 $ 7 $ 90,513 Gross loans Individually evaluated impairment $ 30,994 $ 46,886 $ 8,232 $ 5,864 $ - $ 91,976 Collectively evaluated impairment 1,436,866 5,742,751 565,907 258,884 2,312 8,006,720 Acquired with deteriorated credit quality individually analyzed 4,874 5,591 - - - 10,465 Total $ 1,472,734 $ 5,795,228 $ 574,139 $ 264,748 $ 2,312 $ 8,109,161 Activity in the Company’s ACL for loans for the three nine September 30, 2023 Three Months Ended September 30, 2023 Commercial Commercial real estate Commercial construction Residential real estate Consumer Total (dollars in thousands) Balance as of June 30, 2023 $ 29,326 $ 52,509 $ 3,546 $ 3,819 $ 5 $ 89,205 Charge-offs (2,250 ) (237 ) - - - (2,487 ) Recoveries - - - 1 7 8 Provision for (reversal of) credit losses - loans 775 461 363 (88 ) (7 ) 1,504 Balance as of September 30, 2023 $ 27,851 $ 52,733 $ 3,909 $ 3,732 $ 5 $ 88,230 Nine Months Ended September 30, 2023 Commercial Commercial real estate Commercial construction Residential real estate Consumer Total (dollars in thousands) Balance as of December 31, 2022 $ 28,903 $ 53,742 $ 3,718 $ 4,143 $ 7 $ 90,513 Charge-offs (6,117 ) (1,954 ) - (18 ) - (8,089 ) Recoveries 9 - - 69 7 85 Provision for (reversal of) credit losses - loans 5,056 945 191 (462 ) (9 ) 5,721 Balance as of September 30, 2023 $ 27,851 $ 52,733 $ 3,909 $ 3,732 $ 5 $ 88,230 Three Months Ended September 30, 2022 Commercial Commercial real estate Commercial construction Residential real estate Consumer Total (dollars in thousands) Balance as of June 30, 2022 $ 28,135 $ 47,562 $ 3,413 $ 3,625 $ 4 $ 82,739 Charge-offs (410 ) - - - (3 ) (413 ) Recoveries 53 - - - - 53 Provision for credit losses - loans 1,911 6,964 31 428 4 9,338 Balance as of September 30, 2022 $ 29,689 $ 54,526 $ 3,444 $ 4,053 $ 5 $ 91,717 Nine Months Ended September 30, 2022 Commercial Commercial real estate Commercial construction Residential real estate Consumer Total (dollars in thousands) Balance as of December 31, 2021 $ 25,969 $ 45,589 $ 3,580 $ 3,628 $ 7 $ 78,773 Charge-offs (751 ) (226 ) - (9 ) (3 ) (989 ) Recoveries 54 - - 63 - 117 Provision for (reversal of) credit losses - loans 4,417 9,163 (136 ) 371 1 13,816 Balance as of September 30, 2022 $ 29,689 $ 54,526 $ 3,444 $ 4,053 $ 5 $ 91,717 Loan Modifications to Borrowers Experiencing Financial Difficulty: The Company adopted Accounting Standards Update (“ASU”) 2022 02, 326 2022 02” January 1, 2023. 2022 02 The following table presents the amortized cost basis at the end of the reporting period of the loan modifications to borrowers experiencing financial difficulty: Nine Months Ended September 30, 2023 Term Extension % of Portfolio (dollars in thousands) Commercial $ 44 0.00 % Commercial real estate 211 0.00 % The above table consists of loans that added a weighted average of 13 not The following table presents the performance of loans that have been modified in the last twelve September 30, 2023 Current Past Due 30-89 Days Past Due 90 Days or More (dollars in thousands) Commercial $ 44 $ - $ - Commercial real estate 211 - - There were no loans to borrowers experiencing financial difficulty that had a payment default during the nine September 30, 2023 twelve 90 Troubled debt restructurings: Information on loan modifications prior to the adoption of ASU 2022 02 January 1, 2023 nine September 30, 2022, one one one Allowance for Credit Losses for Unfunded Commitments The Company has recorded an ACL for unfunded credit commitments, which was recorded in other liabilities. The provision is recorded within the provision for (reversal of) credit losses on the Company’s income statement. The following table presents a roll forward of the allowance for credit losses for unfunded commitments for the three nine September 30, 2023 2022 Three Months Ended Three Months Ended September 30, September 30, 2023 2022 (dollars in thousands) Balance at beginning of period $ 2,819 $ 2,324 (Reversal of) provision for credit losses - unfunded commitments (4 ) 662 Balance at end of period $ 2,815 $ 2,986 Nine Months Ended Nine Months Ended September 30, September 30, 2023 2022 (dollars in thousands) Balance at beginning of period $ 3,036 $ 2,352 (Reversal of) provision for credit losses - unfunded commitments (221 ) 634 Balance at end of period $ 2,815 $ 2,986 Components of (Reversal of) Provision for Credit Losses The following table summarizes the provision for (reversal of) credit losses for the three nine September 30, 2023 2022 Three Months Ended Three Months Ended September 30, September 30, 2023 2022 (dollars in thousands) Provision for credit losses – loans $ 1,504 $ 9,338 (Reversal of) provision for credit losses - unfunded commitments (4 ) 662 Provision for credit losses $ 1,500 $ 10,000 Nine Months Ended Nine Months Ended September 30, September 30, 2023 2022 (dollars in thousands) Provision for credit losses – loans $ 5,721 $ 13,816 (Reversal of) provision for credit losses - unfunded commitments (221 ) 634 Provision for credit losses $ 5,500 $ 14,450

Note 6 - Fair Value Measurement

Note 6 - Fair Value Measurements and Fair Value of Financial Instruments	9 Months Ended
	Sep. 30, 2023
Notes to Financial Statements
Fair Value Disclosures [Text Block]	Note 6. Fair value is the exchange price that would be received for an asset or paid to transfer a liability (exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. Level 1: Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities. Level 2: Quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument. Level 3: Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (for example, supported with little or no An asset’s or liability’s level within the fair value hierarchy is based on the lowest level of input that is significant to the fair value measurement. The following information should not may not Assets and Liabilities Measured at Fair Value on a Recurring Basis The following methods and assumptions were used to estimate the fair values of the Company’s assets measured at fair value on a recurring basis as of September 30, 2023 December 31, 2022 Investment Securities Available-for-Sale and Equity Securities 1 1 not 2 3. Derivatives 2 not third For financial assets and liabilities measured at fair value on a recurring basis, the fair value measurements by level within the fair value hierarchy used as of September 30, 2023 December 31, 2022 September 30, 2023 Fair Value Measurements at Reporting Date Using Total Fair Value Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) (dollars in thousands) Recurring fair value measurements: Assets Investment securities: Available-for-sale: Federal agency obligations $ 43,969 $ - $ 43,969 $ - Residential mortgage pass-through securities 389,427 - 389,427 - Commercial mortgage pass-through securities 19,927 - 19,927 - Obligations of U.S. states and political subdivision 122,899 - 115,882 7,017 Corporate bonds and notes 2,961 - 2,961 - Asset-backed securities 1,322 - 1,322 - Other securities 1,362 1,362 - - Total available-for-sale 581,867 1,362 573,488 7,017 Equity securities 17,677 9,394 8,283 - Derivatives 61,972 - 61,972 - Total assets $ 661,516 $ 10,756 $ 643,743 $ 7,017 December 31, 2022 Fair Value Measurements at Reporting Date Using Total Fair Value Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) (dollars in thousands) Recurring fair value measurements: Assets Investment securities: Available-for-sale: Federal agency obligations $ 44,450 $ - $ 44,450 $ - Residential mortgage pass- through securities 417,578 - 417,578 - Commercial mortgage pass-through securities 21,104 - 21,104 - Obligations of U.S. states and political subdivision 142,896 - 135,547 7,349 Corporate bonds and notes 6,974 - 6,974 - Asset-backed securities 1,640 - 1,640 - Other securities 242 242 - - Total available-for-sale $ 634,884 $ 242 $ 627,293 $ 7,349 Equity securities 15,811 9,733 6,078 - Derivatives 56,797 - 56,797 - Total assets $ 707,492 $ 9,975 $ 690,168 $ 7,349 There were no 1 2 nine September 30, 2023 December 31, 2022 Assets Measured at Fair Value on a Nonrecurring Basis The Company may September 30, 2023 December 31, 2022 Loans Held-for-Sale 2 Other loans held-for-sale are carried at the lower of aggregate cost or estimated fair value. Fair value of these loans is determined based on the terms of the loan, such as interest rate, maturity date, reset term, as well as sales of similar assets (Level 3 Collateral Dependent Loans may not 3 not 3 For assets measured at fair value on a nonrecurring basis, the fair value measurements as of September 30, 2023 December 31, 2022 Fair Value Measurements at Reporting Date Using Assets measured at fair value on a nonrecurring basis: September 30, 2023 Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) Collateral dependent loans: (dollars in thousands) Commercial $ 10,659 $ - $ - $ 10,659 Commercial real estate 7,330 - - 7,330 Fair Value Measurements at Reporting Date Using Assets measured at fair value on a nonrecurring basis: December 31, 2022 Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) Collateral dependent loans: (dollars in thousands) Commercial $ 14,550 $ - $ - $ 14,550 Commercial real estate 17,264 - - 17,264 Residential real estate 1,392 - - 1,392 Collateral dependent loans September 30, 2023 December 31, 2022 Assets Measured with Significant Unobservable Level 3 Recurring basis The tables below present a reconciliation of all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3 nine September 30, 2023 December 31, 2022: Municipal Securities (dollars in thousands) Beginning balance, December 31, 2022 $ 7,349 Principal paydowns (221 ) Change in unrealized gain (111 ) Ending balance, September 30, 2023 $ 7,017 Municipal Securities (dollars in thousands) Beginning balance, December 31, 2021 $ 8,565 Principal paydowns (287 ) Changes in unrealized loss (929 ) Ending balance, December 31, 2022 $ 7,349 The following methods and assumptions were used to estimate the fair values of the Company’s assets measured at fair value on a recurring basis as of September 30, 2023 December 31, 2022 3 September 30, 2023 Fair Value Valuation Techniques Unobservable Input Rate Securities available-for-sale: (dollars in thousands) Municipal securities $ 7,017 Discounted cash flows Discount rate 4.4 % December 31, 2022 Fair Value Valuation Techniques Unobservable Input Rate Securities available-for-sale: (dollars in thousands) Municipal securities $ 7,349 Discounted cash flows Discount rate 4.3 % Nonrecurring basis : 3 September 30, 2023 (dollars in thousands) Fair Value Valuation Techniques Unobservable Input Range (weighted average) Commercial $ 10,205 Market approach (100%) Average transfer price as a price to unpaid principal balance 65% –92% (68%) Commercial 454 Appraisals of collateral value Adjustment for comparable sales -7.5% to +25% (+0.1%) Commercial real estate 7,330 Appraisals of collateral value Adjustment for comparable sales -15% to +5% (+4%) December 31, 2022 (dollars in thousands) Fair Value Valuation Techniques Unobservable Input Range (weighted average) Commercial loans $ 14,028 Market approach (100%) Average transfer price as a price to unpaid principal balance 65% to 96% (67%) Commercial loans 522 Appraisals of collateral value Adjustment for comparable sales -10% to +13% (+3%) Commercial real estate loans 17,264 Appraisals of collateral value Adjustment for comparable sales -20% to +0% (-15%) Residential real estate loans 1,392 Appraisals of collateral value Adjustment for comparable sales +21% to +39% (22%) As of September 30, 2023 820, Fair Value Measurement September 30, 2023 December 31, 2022 Fair Value Measurements Carrying Amount Fair Value Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) (dollars in thousands) September 30, 2023 Financial assets: Cash and due from banks $ 253,298 $ 253,298 $ 253,298 $ - $ - Securities available-for-sale 581,867 581,867 1,362 573,488 7,017 Restricted investments in bank stocks 49,387 n/a n/a n/a n/a Equity securities 17,677 17,677 9,394 8,283 - Net loans 8,092,879 7,725,439 - - 7,725,439 Derivatives - interest rate contracts 61,972 61,972 - 61,972 - Accrued interest receivable 46,795 46,795 - 5,160 41,635 Financial liabilities: Noninterest-bearing deposits 1,224,125 1,224,125 1,224,125 - - Interest-bearing deposits 6,214,370 6,181,082 3,692,159 2,488,923 - Borrowings 887,590 884,745 - 884,745 - Subordinated debentures 79,313 77,588 - 77,588 - Accrued interest payable 9,800 9,800 - 9,800 - December 31, 2022 Financial assets: Cash and due from banks $ 268,315 $ 268,315 $ 268,315 $ - $ - Investment securities available-for-sale 634,884 634,884 242 627,293 7,349 Restricted investment in bank stocks 46,604 n/a n/a n/a n/a Equity securities 15,811 15,811 9,733 6,078 - Net loans 8,009,176 7,723,378 - - 7,723,378 Derivatives - interest rate contracts 56,797 56,797 - 56,797 - Accrued interest receivable 46,062 46,062 - 4,685 41,377 Financial liabilities: Noninterest-bearing deposits 1,501,614 1,501,614 1,501,614 - - Interest-bearing deposits 5,855,008 5,811,291 3,460,818 2,350,473 - Borrowings 857,622 854,698 . 854,698 - Subordinated debentures 153,255 153,581 - 153,581 - Accrued interest payable 6,925 6,925 - 6,925 - The fair value of commitments to originate loans is estimated using the fees currently charged to enter into similar agreements, taking into account the remaining terms of the agreements and the present creditworthiness of the counterparties. For fixed-rate loan commitments, fair value also considers the difference between current levels of interest rates and the committed rates. The fair values of letters of credit and lines of credit are based on fees currently charged for similar agreements or on the estimated cost to terminate or otherwise settle the obligations with the counterparties at the reporting date. The fair value of commitments to originate loans is immaterial and not Changes in assumptions or estimation methodologies may The Company’s remaining assets and liabilities, which are not not No 825 10. Fair value estimates are based on existing balance sheet financial instruments, without attempting to estimate the value of anticipated future business and the value of assets and liabilities that are not not not Management believes that reasonable comparability between financial institutions may not

Note 7 - Comprehensive (Loss) I

Note 7 - Comprehensive (Loss) Income	9 Months Ended
	Sep. 30, 2023
Notes to Financial Statements
Comprehensive Income (Loss) Note [Text Block]	Note 7. Total comprehensive (loss) income includes all changes in equity during a period from transactions and other events and circumstances from non-owner sources. The Company’s other comprehensive income is comprised of unrealized holding gains and losses on securities available-for-sale, unrealized gains (losses) on cash flow hedges, obligations for defined benefit pension plan and an adjustment to reflect the curtailment of the Company’s defined benefit pension plan, each net of taxes. The following table represents the reclassification out of accumulated other comprehensive (loss) for the periods presented (dollars in thousands): Details about Accumulated Other Comprehensive Income Components Amounts Reclassified from Accumulated Other Comprehensive Income Amounts Reclassified from Accumulated Other Comprehensive Income Affected Line item in the Consolidated Statements of Income Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Interest income (expense) on cash flow hedges $ 4,793 $ 1,178 $ 13,013 $ 524 Borrowings and deposits expense (1,442 ) (343 ) (3,915 ) (159 ) Income tax (expense) benefit $ 3,351 $ 835 $ 9,098 $ 365 Amortization of pension plan net actuarial losses $ (74 ) $ (17 ) $ (222 ) $ (49 ) Other components of net periodic pension expense 22 5 67 14 Income tax benefit $ (52 ) $ (12 ) $ (155 ) $ (35 ) Total reclassification $ 3,299 $ 823 $ 8,943 $ 330 Accumulated other comprehensive loss as of September 30, 2023 December 31, 2022 September 30, 2023 December 31, 2022 (dollars in thousands) Investment securities available-for-sale, net of tax $ (87,748 ) $ (61,775 ) Cash flow hedge, net of tax 37,128 32,360 Defined benefit pension and post-retirement plans, net of tax (2,794 ) (2,949 ) Total $ (53,414 ) $ (32,364 )

Note 8 - Stock-based Compensati

Note 8 - Stock-based Compensation	9 Months Ended
	Sep. 30, 2023
Notes to Financial Statements
Share-Based Payment Arrangement [Text Block]	Note 8. Stock-based Compensation The Company’s stockholders approved the 2017 May 23, 2017. September 30, 2023 May 30, 2023, may September 30, 2023 Restricted stock, options and deferred stock units typically have a three one one third ten may three no not. All awards are issued at the fair value of the underlying shares at the grant date. The Company expenses the cost of the awards, which is determined to be the fair market value of the awards at the date of grant, ratably over the vesting period. Forfeiture rates are not three nine September 30, 2023 three nine September 30, 2022 Activity under the Company’s options for the nine September 30, 2023 Number of Stock Options Weighted-Average Exercise Price Outstanding as of December 31, 2022 8,680 $ 12.95 Exercised (7,388 ) 12.73 Forfeited/cancelled/expired (1,292 ) 14.24 Outstanding as of September 30, 2023 - - Exercisable as of September 30, 2023 - $ - Activity under the Company’s restricted stock for the nine September 30, 2023 Nonvested Shares Weighted Average Grant Date Fair Value Nonvested as of December 31, 2022 85,931 $ 26.20 Granted 93,147 16.19 Vested (47,067 ) 27.59 Forfeited/cancelled/expired (9,090 ) 21.76 Nonvested as of September 30, 2023 122,921 $ 18.41 As of September 30, 2023 A summary of the status of unearned performance unit awards and the change during the period is presented in the table below: Units (expected) Units (maximum) Weighted Average Grant Date Fair Value Unearned as of December 31, 2022 195,265 $ 17.98 Awarded 85,158 17.93 Vested shares (116,192 ) 10.77 Unearned as of September 30, 2023 164,231 233,087 $ 23.06 As of September 30, 2023 September 30, 2023 nine September 30, 2023 nine September 30, 2023 September 30, 2023 not A summary of the status of unearned deferred stock units and the changes in deferred stock units during the period is presented in the table below: Units (expected) Weighted Average Grant Date Fair Value Unearned as of December 31, 2022 120,035 $ 23.84 Awarded 146,857 18.97 Vested shares (78,544 ) 19.71 Unearned as of September 30, 2023 188,348 $ 21.77 Any forfeitures would result in previously recognized expense being reversed. A portion of the shares that vest will be netted out to satisfy the tax obligations of the recipient. During the nine September 30, 2023 nine September 30, 2023 September 30, 2023 not

Note 9 - Components of Net Peri

Note 9 - Components of Net Periodic Pension Cost	9 Months Ended
	Sep. 30, 2023
Notes to Financial Statements
Retirement Benefits [Text Block]	Note 9. Components of Net Periodic Pension Cost The Company maintained a non-contributory defined benefit pension plan for substantially all of its employees until June 30, 2007, Three Months Ended Affected Line Item in the Consolidated September 30, Statements of Income 2023 2022 (dollars in thousands) Service cost $ - $ - Interest cost 110 78 Other components of net periodic pension expense Expected return on plan assets (209 ) (237 ) Other components of net periodic pension expense Net amortization 74 17 Other components of net periodic pension expense Total periodic pension income $ (25 ) $ (142 ) Nine Months Ended Affected Line Item in the Consolidated September 30, Statements of Income 2023 2022 (dollars in thousands) Service cost $ - $ - Interest cost 330 233 Other components of net periodic pension expense Expected return on plan assets (628 ) (711 ) Other components of net periodic pension expense Net amortization 222 49 Other components of net periodic pension expense Total periodic pension income $ (76 ) $ (429 ) Contributions The Company did not nine September 30, 2023 not 2023. No may

Note 10 - FHLB Borrowings

Note 10 - FHLB Borrowings	9 Months Ended
	Sep. 30, 2023
Notes to Financial Statements
Federal Home Loan Bank, Advances [Text Block]	Note 10. The Company’s FHLB borrowings and weighted average interest rates are summarized below: September 30, 2023 December 31, 2022 Amount Rate Amount Rate (dollars in thousands) By remaining period to maturity: Less than 1 year $ 835,000 5.60 % $ 830,000 4.42 % 1 year through less than 2 years 25,000 1.00 - - 2 years through less than 3 years 2,050 2.23 25,000 1.00 3 years through less than 4 years - - 2,050 2.23 4 years through 5 years 25,301 4.16 326 2.85 After 5 years 302 2.96 326 2.96 FHLB borrowings - gross 887,653 5.42 % 857,702 4.32 % Fair value discount (63 ) (80 ) Total FHLB borrowings $ 887,590 $ 857,622 The FHLB borrowings are secured by pledges of certain collateral including, but not first Advances are payable at stated maturity, with a prepayment penalty for fixed rate advances. All FHLB advances bear fixed rates. The advances as of September 30, 2023 September 30, 2023

Note 11 - Subordinated Debentur

Note 11 - Subordinated Debentures	9 Months Ended
	Sep. 30, 2023
Notes to Financial Statements
Subordinated Borrowings Disclosure [Text Block]	Note 11. During 2003, December 19, 2003, January 23, 2034. three June 30, 2023 July 3, 2023 three September 30, 2023 not not 810 10. The following table summarizes the mandatory redeemable trust preferred securities of the Company’s Statutory Trust II as of September 30, 2023 December 31, 2022 As of September 30, 2023 Issuance Date Securities Issued Liquidation Value Coupon Rate Maturity Redeemable by Issuer Beginning 12/19/2003 $5,000,000 $1,000 per Capital Security Floating 3-month CME Term SOFR + 285 Basis Points + 26.161 Basis Points 1/23/2034 1/23/2009 As of December 31, 2022 Issuance Date Securities Issued Liquidation Value Coupon Rate Maturity Redeemable by Issuer Beginning 12/19/2003 $5,000,000 $1,000 per Capital Security Floating 3-month CME Term SOFR + 285 Basis Points 1/23/2034 1/23/2009 On June 10, 2020, “2020 2020 June 15, 2025 June 15 December 15 December 15, 2020. June 15, 2025 March 15, June 15, September 15 December 15 September 15, 2025. On January 11, 2018, “2018 2018 three 2018 February 1, May 1, August 1, November 1, 2018 February 1, 2023.

Insider Trading Arrangements

Insider Trading Arrangements	9 Months Ended
	Sep. 30, 2023
Insider Trading Arr Line Items
Material Terms of Trading Arrangement [Text Block]	5 Not
Rule 10b5-1 Arrangement Adopted [Flag]	false
Rule 10b5-1 Arrangement Terminated [Flag]	false
Non-Rule 10b5-1 Arrangement Terminated [Flag]	false
Non-Rule 10b5-1 Arrangement Adopted [Flag]	false

Significant Accounting Policies

Significant Accounting Policies (Policies)	9 Months Ended
	Sep. 30, 2023
Accounting Policies [Abstract]
Nature of Operations [Policy Text Block]	Nature of Operations ConnectOne Bancorp, Inc. (the “Parent Corporation”) is incorporated under the laws of the State of New Jersey and is a registered bank holding company under the Bank Holding Company Act of 1956, 1, The Bank is a community-based, full-service New Jersey-chartered commercial bank that was founded in 2005. 301 24
Basis of Accounting, Policy [Policy Text Block]	Basis of Presentation and Principles of Consolidation The consolidated financial statements have been prepared in conformity with U.S. generally accepted accounting principles. The consolidated financial statements of the Parent Corporation are prepared on an accrual basis and include the accounts of the Parent Corporation and the Company. All significant intercompany accounts and transactions have been eliminated from the accompanying consolidated financial statements.
Segment Reporting, Policy [Policy Text Block]	Segments FASB ASC 28, one not one
Use of Estimates, Policy [Policy Text Block]	Use of Estimates In preparing the consolidated financial statements, management has made estimates and assumptions that affect the reported amounts of assets and liabilities as of the dates of the consolidated statements of condition and that affect the results of operations for the periods presented. Actual results could differ significantly from those estimates.
Risks and Uncertainties [Policy Text Block]	Risks and Uncertainties The United States economy is currently experiencing a level of price inflation not 1970’s 1980’s. may
New Accounting Pronouncements, Policy [Policy Text Block]	Adoption of New Accounting Standards in 2023 In March 2022, 2022 02, 326 2022 02” 2022 02 310 40, 2016 13, 326 2016 13” 2022 02 326 20, 2022 02 December 15, 2022, 2022 02 January 1, 2023 not Newly Issued, But Not In June 2022, 2022 03, 820 2022 03” 2022 03 not not 2022 03 December 15, 2023, 2022 03

Note 2 - Earnings Per Common _2

Note 2 - Earnings Per Common Share (Tables)	9 Months Ended
	Sep. 30, 2023
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three Months Ended Nine Months Ended September 30, September 30, (dollars in thousands, except for per share data) 2023 2022 2023 2022 Net income available to common stockholders $ 19,898 $ 27,406 $ 63,203 $ 88,127 Earnings allocated to participating securities (63 ) (67 ) (160 ) (217 ) Income attributable to common stock $ 19,835 $ 27,339 $ 63,043 $ 87,910 Weighted average common shares outstanding, including participating securities 38,817 39,243 39,020 39,393 Weighted average participating securities (123 ) (96 ) (99 ) (97 ) Weighted average common shares outstanding 38,694 39,147 38,921 39,296 Incremental shares from assumed conversions of options, performance units and restricted shares 135 192 135 214 Weighted average common and equivalent shares outstanding 38,829 39,339 39,056 39,510 Earnings per common share: Basic $ 0.51 $ 0.70 $ 1.62 $ 2.24 Diluted 0.51 0.70 1.61 2.23

Note 3 - Investment Securities

Note 3 - Investment Securities (Tables)	9 Months Ended
	Sep. 30, 2023
Notes Tables
Debt Securities, Available-for-Sale [Table Text Block]	Allowance for Gross Gross Investment Amortized Unrealized Unrealized Fair Credit Cost Gains Losses Value Losses (dollars in thousands) September 30, 2023 Investment securities available-for-sale: Federal agency obligations $ 57,243 $ - $ (13,274 ) $ 43,969 $ - Residential mortgage pass-through securities 466,362 - (76,935 ) 389,427 - Commercial mortgage pass-through securities 25,303 - (5,376 ) 19,927 - Obligations of U.S. states and political subdivisions 150,218 - (27,319 ) 122,899 - Corporate bonds and notes 3,000 - (39 ) 2,961 - Asset-backed securities 1,354 - (32 ) 1,322 - Other securities 1,362 - - 1,362 - Total investment securities available-for-sale $ 704,842 $ - $ (122,975 ) $ 581,867 $ - December 31, 2022 Investment securities available-for-sale: Federal agency obligations $ 54,889 $ - $ (10,439 ) $ 44,450 $ - Residential mortgage pass-through securities 475,263 178 (57,863 ) 417,578 - Commercial mortgage pass-through securities 25,485 - (4,381 ) 21,104 - Obligations of U.S. states and political subdivisions 157,247 111 (14,462 ) 142,896 - Corporate bonds and notes 7,000 - (26 ) 6,974 - Asset-backed securities 1,673 - (33 ) 1,640 - Other securities 242 - - 242 - Total investment securities available-for-sale $ 721,799 $ 289 $ (87,204 ) $ 634,884 $ -
Investments Classified by Contractual Maturity Date [Table Text Block]	September 30, 2023 Amortized Fair Cost Value (dollars in thousands) Investment securities available-for-sale: Due in one year or less $ 2,000 $ 1,967 Due after one year through five years 4,389 4,331 Due after five years through ten years 1,856 1,783 Due after ten years 203,570 163,070 Residential mortgage pass-through securities 466,362 389,427 Commercial mortgage pass-through securities 25,303 19,927 Other securities 1,362 1,362 Total investment securities available-for-sale $ 704,842 $ 581,867
Schedule of Unrealized Loss on Investments [Table Text Block]	September 30, 2023 Total Less than 12 Months 12 Months or Longer Fair Unrealized Fair Unrealized Fair Unrealized Value Losses Value Losses Value Losses (dollars in thousands) Investment securities available-for-sale: Federal agency obligations $ 43,969 $ (13,274 ) $ 6,056 $ (194 ) $ 37,913 $ (13,080 ) Residential mortgage pass-through securities 389,427 (76,935 ) 28,555 (858 ) 360,872 (76,077 ) Commercial mortgage pass-through securities 19,927 (5,376 ) - - 19,927 (5,376 ) Obligations of U.S. states and political subdivisions 122,899 (27,319 ) 22,739 (1,825 ) 100,160 (25,494 ) Corporate bonds and notes 2,961 (39 ) 994 (6 ) 1,967 (33 ) Asset-backed securities 1,322 (32 ) - - 1,322 (32 ) Total temporarily impaired securities $ 580,505 $ (122,975 ) $ 58,344 $ (2,883 ) $ 522,161 $ (120,092 ) December 31, 2022 Total Less than 12 Months 12 Months or Longer Fair Unrealized Fair Unrealized Fair Unrealized Value Losses Value Losses Value Losses (dollars in thousands) Investment securities available-for-sale: Federal agency obligations $ 44,451 $ (10,439 ) $ 20,517 $ (1,831 ) $ 23,934 $ (8,608 ) Residential mortgage pass-through securities 403,039 (57,863 ) 218,918 (13,869 ) 184,121 (43,994 ) Commercial mortgage pass-through securities 21,105 (4,381 ) 14,523 (2,304 ) 6,582 (2,077 ) Obligations of U.S. states and political subdivisions 133,265 (14,462 ) 47,446 (3,404 ) 85,819 (11,058 ) Corporate bonds and notes 4,973 (26 ) 4,973 (26 ) - - Asset-backed securities 1,640 (33 ) 1,048 (16 ) 592 (17 ) Total temporarily impaired securities $ 608,473 $ (87,204 ) $ 307,425 $ (21,450 ) $ 301,048 $ (65,754 )

Note 4 - Derivatives (Tables)

Note 4 - Derivatives (Tables)	9 Months Ended
	Sep. 30, 2023
Notes Tables
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]	Nine Months Ended September 30, 2023 Amount of gain (loss) recognized in OCI (Effective Portion) Amount of (gain) loss reclassified from OCI to interest expense Amount of gain recognized in other Noninterest income (Ineffective Portion) (dollars in thousands) Interest rate contracts $ 19,832 $ (13,013 ) $ - Nine Months Ended September 30, 2022 Amount of gain (loss) recognized in OCI (Effective Portion) Amount of (gain) loss reclassified from OCI to interest expense Amount of gain recognized in other Noninterest income (Ineffective Portion) (dollars in thousands) Interest rate contracts $ 44,253 $ (524 ) $ -
Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]	September 30, 2023 December 31, 2022 Notional Amount Fair Value Notional Amount Fair Value (dollars in thousands) Interest rate contracts $ 950,000 $ 61,972 $ 950,000 $ 56,797

Note 5 - Loans and the Allowa_2

Note 5 - Loans and the Allowance for Credit Losses (Tables)	9 Months Ended
	Sep. 30, 2023
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	September 30, 2023 December 31, 2022 (dollars in thousands) Commercial $ 1,475,571 $ 1,472,734 Commercial real estate 5,837,539 5,795,228 Commercial construction 622,748 574,139 Residential real estate 251,416 264,748 Consumer 936 2,312 Gross loans 8,188,210 8,109,161 Net deferred loan fees (7,101 ) (9,472 ) Total loans receivable $ 8,181,109 $ 8,099,689
Schedule of Loans Held-for-sale [Table Text Block]	September 30, 2023 December 31, 2022 (dollars in thousands) Commercial real estate $ - $ 13,473 Residential real estate - 299 Total carrying amount $ - $ 13,772
Financing Receivable, Nonaccrual [Table Text Block]	September 30, 2023 Nonaccrual loans with ACL Nonaccrual loans without ACL Total nonaccrual loans (dollars in thousands) Commercial $ 21,604 $ 555 $ 22,159 Commercial real estate 70 29,754 29,824 Residential real estate 806 3,270 4,076 Total $ 22,480 $ 33,579 $ 56,059 December 31, 2022 Nonaccrual loans with ACL Nonaccrual loans without ACL Total nonaccrual loans (dollars in thousands) Commercial $ 23,512 $ 1,745 $ 25,257 Commercial real estate 10,220 6,597 16,817 Residential real estate 604 1,776 2,380 Total $ 34,336 $ 10,118 $ 44,454
Financing Receivable Origination And Risk Designation [Table Text Block]	Term loans amortized cost basis by origination year 2023 2022 2021 2020 2019 Prior Revolving Loans Total Gross Loans Commercial Pass $ 146,241 $ 259,603 $ 271,580 $ 41,459 $ 13,749 $ 119,592 $ 590,667 $ 1,442,891 Special mention - 337 86 - 567 3,445 3,989 8,424 Substandard 304 1,316 163 4 1,551 19,559 1,359 24,256 Doubtful - - - - - - - - Total Commercial $ 146,545 $ 261,256 $ 271,829 $ 41,463 $ 15,867 $ 142,596 $ 596,015 $ 1,475,571 Commercial Real Estate Pass $ 170,541 $ 1,572,880 $ 1,581,212 $ 356,251 $ 355,665 $ 1,269,678 $ 462,573 $ 5,768,800 Special mention - - - - - 26,421 - 26,421 Substandard - - 1,899 - 2,625 20,964 16,830 42,318 Doubtful - - - - - - - - Total Commercial Real Estate $ 170,541 $ 1,572,880 $ 1,583,111 $ 356,251 $ 358,290 $ 1,317,063 $ 479,403 $ 5,837,539 Commercial Construction Pass $ 582 $ 5,693 $ 15,682 $ 6,236 $ - $ - $ 585,855 $ 614,048 Special mention - - - - - - - - Substandard - - - - - - 8,700 8,700 Doubtful - - - - - - - - Total Commercial Construction $ 582 $ 5,693 $ 15,682 $ 6,236 $ - $ - $ 594,555 $ 622,748 Residential Pass $ 8,009 $ 43,048 $ 23,247 $ 21,863 $ 20,059 $ 92,966 $ 34,663 $ 243,855 Special mention - - - - - 655 2,830 3,485 Substandard - - 563 438 - 2,520 555 4,076 Doubtful - - - - - - - - Total Residential Real Estate $ 8,009 $ 43,048 $ 23,810 $ 22,301 $ 20,059 $ 96,141 $ 38,048 $ 251,416 Consumer Pass $ 747 $ 96 $ - $ 6 $ - $ - $ 87 $ 936 Special mention - - - - - - - - Substandard - - - - - - - - Doubtful - - - - - - - - Total Consumer $ 747 $ 96 $ - $ 6 $ - $ - $ 87 $ 936 Total Pass $ 326,120 $ 1,881,320 $ 1,891,721 $ 425,815 $ 389,473 $ 1,482,236 $ 1,673,845 $ 8,070,530 Special mention - 337 86 - 567 30,521 6,819 38,330 Substandard 304 1,316 2,625 442 4,176 43,043 27,444 79,350 Doubtful - - - - - - - - Grand Total $ 326,424 $ 1,882,973 $ 1,894,432 $ 426,257 $ 394,216 $ 1,555,800 $ 1,708,108 $ 8,188,210 Term loans amortized cost basis by origination year 2022 2021 2020 2019 2018 Prior Revolving Loans Total Gross Loans Commercial Pass $ 301,636 $ 305,721 $ 47,952 $ 28,177 $ 52,950 $ 127,739 $ 550,483 $ 1,414,658 Special mention - - - 583 26 8,551 3,292 12,452 Substandard 7,615 146 15 1,769 11,214 22,596 2,269 45,624 Doubtful - - - - - - - - Total Commercial $ 309,251 $ 305,867 $ 47,967 $ 30,529 $ 64,190 $ 158,886 $ 556,044 $ 1,472,734 Commercial Real Estate Pass $ 1,571,751 $ 1,608,023 $ 382,987 $ 358,578 $ 375,886 $ 987,982 $ 401,365 $ 5,686,572 Special mention 3,040 - - - - 37,774 8,839 49,653 Substandard - 1,929 - 6,526 19,138 23,287 8,123 59,003 Doubtful - - - - - - - - Total Commercial Real Estate $ 1,574,791 $ 1,609,952 $ 382,987 $ 365,104 $ 395,024 $ 1,049,043 $ 418,327 $ 5,795,228 Commercial Construction Pass $ 8,615 $ 7,605 $ 6,720 $ 508 $ - $ - $ 542,460 $ 565,908 Special mention - - - - - - - - Substandard - - - - - - 8,231 8,231 Doubtful - - - - - - - - Total Commercial Construction $ 8,615 $ 7,605 $ 6,720 $ 508 $ - $ - $ 550,691 $ 574,139 Residential Real Estate Pass $ 45,926 $ 25,318 $ 24,409 $ 21,557 $ 20,284 $ 78,314 $ 41,468 $ 257,276 Special mention - - - - - - - - Substandard - - - - - 3,379 4,093 7,472 Doubtful - - - - - - - - Total Residential Real Estate $ 45,926 $ 25,318 $ 24,409 $ 21,557 $ 20,284 $ 81,693 $ 45,561 $ 264,748 Consumer Pass $ 2,219 $ - $ 9 $ - $ - $ 2 $ 82 $ 2,312 Special mention - - - - - - - - Substandard - - - - - - - - Doubtful - - - - - - - - Total Consumer $ 2,219 $ - $ 9 $ - $ - $ 2 $ 82 $ 2,312 Total Pass $ 1,930,147 $ 1,946,667 $ 462,077 $ 408,820 $ 449,120 $ 1,194,037 $ 1,535,858 $ 7,926,726 Special mention 3,040 - - 583 26 46,325 12,131 62,105 Substandard 7,615 2,075 15 8,295 30,352 49,262 22,716 120,330 Doubtful - - - - - - - - Grand Total $ 1,940,802 $ 1,948,742 $ 462,092 $ 417,698 $ 479,498 $ 1,289,624 $ 1,570,705 $ 8,109,161
Financing Receivable, Collateral Dependent [Table Text Block]	September 30, 2023 Real Estate Other Total (dollars in thousands) Commercial $ 4,891 $ 14,719 $ 19,610 Commercial real estate 41,636 - 41,636 Commercial construction 8,700 - 8,700 Residential real estate 6,755 - 6,755 Total $ 61,982 $ 14,719 $ 76,701 December 31, 2022 Real Estate Other Total (dollars in thousands) Commercial $ 5,352 $ 22,517 $ 27,869 Commercial real estate 52,477 - 52,477 Commercial construction 8,232 - 8,232 Residential real estate 5,864 - 5,864 Total $ 71,925 $ 22,517 $ 94,442
Financing Receivable, Past Due [Table Text Block]	September 30, 2023 30-59 Days Past Due 60-89 Days Past Due 90 Days or Greater Past Due and Still Accruing Nonaccrual Total Past Due and Nonaccrual Current Gross Loans (dollars in thousands) Commercial $ 433 $ 1,979 $ - $ 22,159 $ 24,571 $ 1,451,000 $ 1,475,571 Commercial real estate - 597 - 29,824 30,421 5,807,118 5,837,539 Commercial construction - - - - - 622,748 622,748 Residential real estate 227 - - 4,076 4,303 247,113 251,416 Consumer - 254 - - 254 682 936 Total $ 660 $ 2,830 $ - $ 56,059 $ 59,549 $ 8,128,661 $ 8,188,210 December 31, 2022 30-59 Days Past Due 60-89 Days Past Due 90 Days or Greater Past Due and Still Accruing Nonaccrual Total Past Due and Nonaccrual Current Gross Loans (dollars in thousands) Commercial $ 306 $ - $ - $ 25,257 $ 25,563 $ 1,447,171 $ 1,472,734 Commercial real estate 90 - 5,591 16,817 22,498 5,772,730 5,795,228 Commercial construction - - - - - 574,139 574,139 Residential real estate 1,569 - - 2,380 3,949 260,799 264,748 Consumer - - - - - 2,312 2,312 Total $ 1,965 $ - $ 5,591 $ 44,454 $ 52,010 $ 8,057,151 $ 8,109,161
Schedule of Evaluation of Impairment on Financing Receivables [Table Text Block]	September 30, 2023 Commercial Commercial real estate Commercial construction Residential real estate Consumer Total (dollars in thousands) Allowance for credit losses - loans Individually evaluated impairment $ 7,685 $ 661 $ - $ - $ - $ 8,346 Collectively evaluated impairment 19,433 52,072 3,909 3,732 5 79,151 Acquired with deteriorated credit quality individually analyzed 733 - - - - 733 Total $ 27,851 $ 52,733 $ 3,909 $ 3,732 $ 5 $ 88,230 Gross loans Individually evaluated impairment $ 24,676 $ 41,636 $ 8,700 $ 6,755 $ - $ 81,767 Collectively evaluated impairment 1,450,405 5,795,903 614,048 244,661 936 8,105,953 Acquired with deteriorated credit quality individually analyzed 490 - - - - 490 Total $ 1,475,571 $ 5,837,539 $ 622,748 $ 251,416 $ 936 $ 8,188,210 December 31, 2022 Commercial Commercial real estate Commercial construction Residential real estate Consumer Total (dollars in thousands) Allowance for credit losses - loans Individually evaluated impairment $ 7,426 $ 1,003 $ - $ 50 $ - $ 8,479 Collectively evaluated impairment 19,319 50,818 3,718 4,093 7 77,955 Acquired with deteriorated credit quality individually analyzed 2,158 1,921 - - - 4,079 Total $ 28,903 $ 53,742 $ 3,718 $ 4,143 $ 7 $ 90,513 Gross loans Individually evaluated impairment $ 30,994 $ 46,886 $ 8,232 $ 5,864 $ - $ 91,976 Collectively evaluated impairment 1,436,866 5,742,751 565,907 258,884 2,312 8,006,720 Acquired with deteriorated credit quality individually analyzed 4,874 5,591 - - - 10,465 Total $ 1,472,734 $ 5,795,228 $ 574,139 $ 264,748 $ 2,312 $ 8,109,161
Financing Receivable, Allowance for Credit Loss [Table Text Block]	Three Months Ended September 30, 2023 Commercial Commercial real estate Commercial construction Residential real estate Consumer Total (dollars in thousands) Balance as of June 30, 2023 $ 29,326 $ 52,509 $ 3,546 $ 3,819 $ 5 $ 89,205 Charge-offs (2,250 ) (237 ) - - - (2,487 ) Recoveries - - - 1 7 8 Provision for (reversal of) credit losses - loans 775 461 363 (88 ) (7 ) 1,504 Balance as of September 30, 2023 $ 27,851 $ 52,733 $ 3,909 $ 3,732 $ 5 $ 88,230 Nine Months Ended September 30, 2023 Commercial Commercial real estate Commercial construction Residential real estate Consumer Total (dollars in thousands) Balance as of December 31, 2022 $ 28,903 $ 53,742 $ 3,718 $ 4,143 $ 7 $ 90,513 Charge-offs (6,117 ) (1,954 ) - (18 ) - (8,089 ) Recoveries 9 - - 69 7 85 Provision for (reversal of) credit losses - loans 5,056 945 191 (462 ) (9 ) 5,721 Balance as of September 30, 2023 $ 27,851 $ 52,733 $ 3,909 $ 3,732 $ 5 $ 88,230 Three Months Ended September 30, 2022 Commercial Commercial real estate Commercial construction Residential real estate Consumer Total (dollars in thousands) Balance as of June 30, 2022 $ 28,135 $ 47,562 $ 3,413 $ 3,625 $ 4 $ 82,739 Charge-offs (410 ) - - - (3 ) (413 ) Recoveries 53 - - - - 53 Provision for credit losses - loans 1,911 6,964 31 428 4 9,338 Balance as of September 30, 2022 $ 29,689 $ 54,526 $ 3,444 $ 4,053 $ 5 $ 91,717 Nine Months Ended September 30, 2022 Commercial Commercial real estate Commercial construction Residential real estate Consumer Total (dollars in thousands) Balance as of December 31, 2021 $ 25,969 $ 45,589 $ 3,580 $ 3,628 $ 7 $ 78,773 Charge-offs (751 ) (226 ) - (9 ) (3 ) (989 ) Recoveries 54 - - 63 - 117 Provision for (reversal of) credit losses - loans 4,417 9,163 (136 ) 371 1 13,816 Balance as of September 30, 2022 $ 29,689 $ 54,526 $ 3,444 $ 4,053 $ 5 $ 91,717
Financing Receivable, Modified [Table Text Block]	Nine Months Ended September 30, 2023 Term Extension % of Portfolio (dollars in thousands) Commercial $ 44 0.00 % Commercial real estate 211 0.00 %
Financing Receivable, Modified, Past Due [Table Text Block]	September 30, 2023 Current Past Due 30-89 Days Past Due 90 Days or More (dollars in thousands) Commercial $ 44 $ - $ - Commercial real estate 211 - -
Schedule of Allowance for Credit Losses on Unfunded Commitments [Table Text Block]	Three Months Ended Three Months Ended September 30, September 30, 2023 2022 (dollars in thousands) Balance at beginning of period $ 2,819 $ 2,324 (Reversal of) provision for credit losses - unfunded commitments (4 ) 662 Balance at end of period $ 2,815 $ 2,986 Nine Months Ended Nine Months Ended September 30, September 30, 2023 2022 (dollars in thousands) Balance at beginning of period $ 3,036 $ 2,352 (Reversal of) provision for credit losses - unfunded commitments (221 ) 634 Balance at end of period $ 2,815 $ 2,986
Schedule of Provision for (Reversal of) Credit Losses [Table Text Block]	Three Months Ended Three Months Ended September 30, September 30, 2023 2022 (dollars in thousands) Provision for credit losses – loans $ 1,504 $ 9,338 (Reversal of) provision for credit losses - unfunded commitments (4 ) 662 Provision for credit losses $ 1,500 $ 10,000 Nine Months Ended Nine Months Ended September 30, September 30, 2023 2022 (dollars in thousands) Provision for credit losses – loans $ 5,721 $ 13,816 (Reversal of) provision for credit losses - unfunded commitments (221 ) 634 Provision for credit losses $ 5,500 $ 14,450

Note 6 - Fair Value Measureme_2

Note 6 - Fair Value Measurements and Fair Value of Financial Instruments (Tables)	9 Months Ended
	Sep. 30, 2023
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	September 30, 2023 Fair Value Measurements at Reporting Date Using Total Fair Value Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) (dollars in thousands) Recurring fair value measurements: Assets Investment securities: Available-for-sale: Federal agency obligations $ 43,969 $ - $ 43,969 $ - Residential mortgage pass-through securities 389,427 - 389,427 - Commercial mortgage pass-through securities 19,927 - 19,927 - Obligations of U.S. states and political subdivision 122,899 - 115,882 7,017 Corporate bonds and notes 2,961 - 2,961 - Asset-backed securities 1,322 - 1,322 - Other securities 1,362 1,362 - - Total available-for-sale 581,867 1,362 573,488 7,017 Equity securities 17,677 9,394 8,283 - Derivatives 61,972 - 61,972 - Total assets $ 661,516 $ 10,756 $ 643,743 $ 7,017 December 31, 2022 Fair Value Measurements at Reporting Date Using Total Fair Value Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) (dollars in thousands) Recurring fair value measurements: Assets Investment securities: Available-for-sale: Federal agency obligations $ 44,450 $ - $ 44,450 $ - Residential mortgage pass- through securities 417,578 - 417,578 - Commercial mortgage pass-through securities 21,104 - 21,104 - Obligations of U.S. states and political subdivision 142,896 - 135,547 7,349 Corporate bonds and notes 6,974 - 6,974 - Asset-backed securities 1,640 - 1,640 - Other securities 242 242 - - Total available-for-sale $ 634,884 $ 242 $ 627,293 $ 7,349 Equity securities 15,811 9,733 6,078 - Derivatives 56,797 - 56,797 - Total assets $ 707,492 $ 9,975 $ 690,168 $ 7,349
Fair Value Measurements, Nonrecurring [Table Text Block]	Fair Value Measurements at Reporting Date Using Assets measured at fair value on a nonrecurring basis: September 30, 2023 Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) Collateral dependent loans: (dollars in thousands) Commercial $ 10,659 $ - $ - $ 10,659 Commercial real estate 7,330 - - 7,330 Fair Value Measurements at Reporting Date Using Assets measured at fair value on a nonrecurring basis: December 31, 2022 Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) Collateral dependent loans: (dollars in thousands) Commercial $ 14,550 $ - $ - $ 14,550 Commercial real estate 17,264 - - 17,264 Residential real estate 1,392 - - 1,392
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]	Municipal Securities (dollars in thousands) Beginning balance, December 31, 2022 $ 7,349 Principal paydowns (221 ) Change in unrealized gain (111 ) Ending balance, September 30, 2023 $ 7,017 Municipal Securities (dollars in thousands) Beginning balance, December 31, 2021 $ 8,565 Principal paydowns (287 ) Changes in unrealized loss (929 ) Ending balance, December 31, 2022 $ 7,349
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]	September 30, 2023 Fair Value Valuation Techniques Unobservable Input Rate Securities available-for-sale: (dollars in thousands) Municipal securities $ 7,017 Discounted cash flows Discount rate 4.4 % December 31, 2022 Fair Value Valuation Techniques Unobservable Input Rate Securities available-for-sale: (dollars in thousands) Municipal securities $ 7,349 Discounted cash flows Discount rate 4.3 %
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]	September 30, 2023 (dollars in thousands) Fair Value Valuation Techniques Unobservable Input Range (weighted average) Commercial $ 10,205 Market approach (100%) Average transfer price as a price to unpaid principal balance 65% –92% (68%) Commercial 454 Appraisals of collateral value Adjustment for comparable sales -7.5% to +25% (+0.1%) Commercial real estate 7,330 Appraisals of collateral value Adjustment for comparable sales -15% to +5% (+4%) December 31, 2022 (dollars in thousands) Fair Value Valuation Techniques Unobservable Input Range (weighted average) Commercial loans $ 14,028 Market approach (100%) Average transfer price as a price to unpaid principal balance 65% to 96% (67%) Commercial loans 522 Appraisals of collateral value Adjustment for comparable sales -10% to +13% (+3%) Commercial real estate loans 17,264 Appraisals of collateral value Adjustment for comparable sales -20% to +0% (-15%) Residential real estate loans 1,392 Appraisals of collateral value Adjustment for comparable sales +21% to +39% (22%)
Fair Value, by Balance Sheet Grouping [Table Text Block]	Fair Value Measurements Carrying Amount Fair Value Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) (dollars in thousands) September 30, 2023 Financial assets: Cash and due from banks $ 253,298 $ 253,298 $ 253,298 $ - $ - Securities available-for-sale 581,867 581,867 1,362 573,488 7,017 Restricted investments in bank stocks 49,387 n/a n/a n/a n/a Equity securities 17,677 17,677 9,394 8,283 - Net loans 8,092,879 7,725,439 - - 7,725,439 Derivatives - interest rate contracts 61,972 61,972 - 61,972 - Accrued interest receivable 46,795 46,795 - 5,160 41,635 Financial liabilities: Noninterest-bearing deposits 1,224,125 1,224,125 1,224,125 - - Interest-bearing deposits 6,214,370 6,181,082 3,692,159 2,488,923 - Borrowings 887,590 884,745 - 884,745 - Subordinated debentures 79,313 77,588 - 77,588 - Accrued interest payable 9,800 9,800 - 9,800 - December 31, 2022 Financial assets: Cash and due from banks $ 268,315 $ 268,315 $ 268,315 $ - $ - Investment securities available-for-sale 634,884 634,884 242 627,293 7,349 Restricted investment in bank stocks 46,604 n/a n/a n/a n/a Equity securities 15,811 15,811 9,733 6,078 - Net loans 8,009,176 7,723,378 - - 7,723,378 Derivatives - interest rate contracts 56,797 56,797 - 56,797 - Accrued interest receivable 46,062 46,062 - 4,685 41,377 Financial liabilities: Noninterest-bearing deposits 1,501,614 1,501,614 1,501,614 - - Interest-bearing deposits 5,855,008 5,811,291 3,460,818 2,350,473 - Borrowings 857,622 854,698 . 854,698 - Subordinated debentures 153,255 153,581 - 153,581 - Accrued interest payable 6,925 6,925 - 6,925 -

Note 7 - Comprehensive (Loss)_2

Note 7 - Comprehensive (Loss) Income (Tables)	9 Months Ended
	Sep. 30, 2023
Notes Tables
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]	Details about Accumulated Other Comprehensive Income Components Amounts Reclassified from Accumulated Other Comprehensive Income Amounts Reclassified from Accumulated Other Comprehensive Income Affected Line item in the Consolidated Statements of Income Three Months Ended September 30, Nine Months Ended September 30, 2023 2022 2023 2022 Interest income (expense) on cash flow hedges $ 4,793 $ 1,178 $ 13,013 $ 524 Borrowings and deposits expense (1,442 ) (343 ) (3,915 ) (159 ) Income tax (expense) benefit $ 3,351 $ 835 $ 9,098 $ 365 Amortization of pension plan net actuarial losses $ (74 ) $ (17 ) $ (222 ) $ (49 ) Other components of net periodic pension expense 22 5 67 14 Income tax benefit $ (52 ) $ (12 ) $ (155 ) $ (35 ) Total reclassification $ 3,299 $ 823 $ 8,943 $ 330
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]	September 30, 2023 December 31, 2022 (dollars in thousands) Investment securities available-for-sale, net of tax $ (87,748 ) $ (61,775 ) Cash flow hedge, net of tax 37,128 32,360 Defined benefit pension and post-retirement plans, net of tax (2,794 ) (2,949 ) Total $ (53,414 ) $ (32,364 )

Note 8 - Stock-based Compensa_2

Note 8 - Stock-based Compensation (Tables)	9 Months Ended
	Sep. 30, 2023
Notes Tables
Share-Based Payment Arrangement, Option, Activity [Table Text Block]	Number of Stock Options Weighted-Average Exercise Price Outstanding as of December 31, 2022 8,680 $ 12.95 Exercised (7,388 ) 12.73 Forfeited/cancelled/expired (1,292 ) 14.24 Outstanding as of September 30, 2023 - - Exercisable as of September 30, 2023 - $ -
Nonvested Restricted Stock Shares Activity [Table Text Block]	Nonvested Shares Weighted Average Grant Date Fair Value Nonvested as of December 31, 2022 85,931 $ 26.20 Granted 93,147 16.19 Vested (47,067 ) 27.59 Forfeited/cancelled/expired (9,090 ) 21.76 Nonvested as of September 30, 2023 122,921 $ 18.41
Schedule of Nonvested Performance-Based Units Activity [Table Text Block]	Units (expected) Units (maximum) Weighted Average Grant Date Fair Value Unearned as of December 31, 2022 195,265 $ 17.98 Awarded 85,158 17.93 Vested shares (116,192 ) 10.77 Unearned as of September 30, 2023 164,231 233,087 $ 23.06
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]	Units (expected) Weighted Average Grant Date Fair Value Unearned as of December 31, 2022 120,035 $ 23.84 Awarded 146,857 18.97 Vested shares (78,544 ) 19.71 Unearned as of September 30, 2023 188,348 $ 21.77

Note 9 - Components of Net Pe_2

Note 9 - Components of Net Periodic Pension Cost (Tables)	9 Months Ended
	Sep. 30, 2023
Notes Tables
Schedule of Net Benefit Costs [Table Text Block]	Three Months Ended Affected Line Item in the Consolidated September 30, Statements of Income 2023 2022 (dollars in thousands) Service cost $ - $ - Interest cost 110 78 Other components of net periodic pension expense Expected return on plan assets (209 ) (237 ) Other components of net periodic pension expense Net amortization 74 17 Other components of net periodic pension expense Total periodic pension income $ (25 ) $ (142 ) Nine Months Ended Affected Line Item in the Consolidated September 30, Statements of Income 2023 2022 (dollars in thousands) Service cost $ - $ - Interest cost 330 233 Other components of net periodic pension expense Expected return on plan assets (628 ) (711 ) Other components of net periodic pension expense Net amortization 222 49 Other components of net periodic pension expense Total periodic pension income $ (76 ) $ (429 )

Note 10 - FHLB Borrowings (Tabl

Note 10 - FHLB Borrowings (Tables)	9 Months Ended
	Sep. 30, 2023
Notes Tables
Schedule of Federal Home Loan Bank, Advances, by Branch of FHLB Bank [Table Text Block]	September 30, 2023 December 31, 2022 Amount Rate Amount Rate (dollars in thousands) By remaining period to maturity: Less than 1 year $ 835,000 5.60 % $ 830,000 4.42 % 1 year through less than 2 years 25,000 1.00 - - 2 years through less than 3 years 2,050 2.23 25,000 1.00 3 years through less than 4 years - - 2,050 2.23 4 years through 5 years 25,301 4.16 326 2.85 After 5 years 302 2.96 326 2.96 FHLB borrowings - gross 887,653 5.42 % 857,702 4.32 % Fair value discount (63 ) (80 ) Total FHLB borrowings $ 887,590 $ 857,622

Note 11 - Subordinated Debent_2

Note 11 - Subordinated Debentures (Tables)	9 Months Ended
	Sep. 30, 2023
Notes Tables
Schedule of Long-Term Debt Instruments [Table Text Block]	As of September 30, 2023 Issuance Date Securities Issued Liquidation Value Coupon Rate Maturity Redeemable by Issuer Beginning 12/19/2003 $5,000,000 $1,000 per Capital Security Floating 3-month CME Term SOFR + 285 Basis Points + 26.161 Basis Points 1/23/2034 1/23/2009 As of December 31, 2022 Issuance Date Securities Issued Liquidation Value Coupon Rate Maturity Redeemable by Issuer Beginning 12/19/2003 $5,000,000 $1,000 per Capital Security Floating 3-month CME Term SOFR + 285 Basis Points 1/23/2034 1/23/2009

Note 1a - Nature of Operation_2

Note 1a - Nature of Operations, Principles of Consolidation and Risk and Uncertainties (Details Textual)	9 Months Ended
	Sep. 30, 2023
Number of Operating Segments	1

Note 2 - Earnings Per Common _3

Note 2 - Earnings Per Common Share (Details Textual) - shares shares in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	0	0

Note 2 - Earnings Per Common _4

Note 2 - Earnings Per Common Share - Computation of Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Net income available to common stockholders	$ 19,898	$ 27,406	$ 63,203	$ 88,127
Earnings allocated to participating securities	(63)	(67)	(160)	(217)
Income attributable to common stock	$ 19,835	$ 27,339	$ 63,043	$ 87,910
Weighted average common shares outstanding, including participating securities (in shares)	38,817	39,243	39,020	39,393
Weighted average participating securities (in shares)	(123)	(96)	(99)	(97)
Weighted average common shares outstanding (in shares)	38,694	39,147	38,921	39,296
Incremental shares from assumed conversions of options, performance units and restricted shares (in shares)	135	192	135	214
Weighted average common and equivalent shares outstanding (in shares)	38,829	39,339	39,056	39,510
Earnings per common share:
Basic (in dollars per share)	$ 0.51	$ 0.7	$ 1.62	$ 2.24
Diluted (in dollars per share)	$ 0.51	$ 0.7	$ 1.61	$ 2.23

Note 3 - Investment Securitie_2

Note 3 - Investment Securities (Details Textual) Pure in Thousands, $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Debt Securities, Available-for-sale, Holding Greater than 10 Percent of Equity	0		0
Debt Securities, Available-for-Sale, Realized Gain (Loss)	$ 0	$ 0
Accrued Investment Income Receivable	2,100		$ 2,400
Debt Securities, Available-for-Sale, Allowance for Credit Loss	0		0
Asset Pledged as Collateral [Member]
Debt Securities, Available-for-Sale, Restricted	$ 332,500		$ 157,000

Note 3 - Investment Securitie_3

Note 3 - Investment Securities - Portfolio of Securities Available-for-sale (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Amortized cost	$ 704,842	$ 721,799
Gross unrealized gains	0	289
Gross unrealized losses	(122,975)	(87,204)
Securities available-for-sale	581,867	634,884
Debt Securities, Available-for-Sale, Allowance for Credit Loss	0	0
US Government Agencies Debt Securities [Member]
Amortized cost	57,243	54,889
Gross unrealized gains	0	0
Gross unrealized losses	(13,274)	(10,439)
Securities available-for-sale	43,969	44,450
Debt Securities, Available-for-Sale, Allowance for Credit Loss	0	0
Residential Mortgage-Backed Securities [Member]
Amortized cost	466,362	475,263
Gross unrealized gains	0	178
Gross unrealized losses	(76,935)	(57,863)
Securities available-for-sale	389,427	417,578
Debt Securities, Available-for-Sale, Allowance for Credit Loss	0	0
Commercial Mortgage-Backed Securities [Member]
Amortized cost	25,303	25,485
Gross unrealized gains	0	0
Gross unrealized losses	(5,376)	(4,381)
Securities available-for-sale	19,927	21,104
Debt Securities, Available-for-Sale, Allowance for Credit Loss	0	0
US States and Political Subdivisions Debt Securities [Member]
Amortized cost	150,218	157,247
Gross unrealized gains	0	111
Gross unrealized losses	(27,319)	(14,462)
Securities available-for-sale	122,899	142,896
Debt Securities, Available-for-Sale, Allowance for Credit Loss	0	0
Corporate Debt Securities [Member]
Amortized cost	3,000	7,000
Gross unrealized gains	0	0
Gross unrealized losses	(39)	(26)
Securities available-for-sale	2,961	6,974
Debt Securities, Available-for-Sale, Allowance for Credit Loss	0	0
Asset-Backed Securities [Member]
Amortized cost	1,354	1,673
Gross unrealized gains	0	0
Gross unrealized losses	(32)	(33)
Securities available-for-sale	1,322	1,640
Debt Securities, Available-for-Sale, Allowance for Credit Loss	0	0
Other Debt Obligations [Member]
Amortized cost	1,362	242
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Securities available-for-sale	1,362	242
Debt Securities, Available-for-Sale, Allowance for Credit Loss	$ 0	$ 0

Note 3 - Investment Securitie_4

Note 3 - Investment Securities - Scheduled Maturities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Due in one year or less, amortized cost	$ 2,000
Due in one year or less, fair value	1,967
Due after one year through five years, amortized cost	4,389
Due after one year through five years, fair value	4,331
Due after five years through ten years, amortized cost	1,856
Due after five years through ten years, fair value	1,783
Due after ten years, amortized cost	203,570
Due after ten years, fair value	163,070
Total investment securities available-for-sale, amortized cost	704,842	$ 721,799
Investment securities	581,867	634,884
Residential Mortgage-Backed Securities [Member]
Securities available-for-sale, without single maturity date, amortized cost	466,362
Securities available-for-sale, without single maturity date, fair value	389,427
Total investment securities available-for-sale, amortized cost	466,362	475,263
Investment securities	389,427	417,578
Commercial Mortgage-Backed Securities [Member]
Securities available-for-sale, without single maturity date, amortized cost	25,303
Securities available-for-sale, without single maturity date, fair value	19,927
Total investment securities available-for-sale, amortized cost	25,303	25,485
Investment securities	19,927	21,104
Other Debt Obligations [Member]
Securities available-for-sale, without single maturity date, amortized cost	1,362
Securities available-for-sale, without single maturity date, fair value	1,362
Total investment securities available-for-sale, amortized cost	1,362	242
Investment securities	$ 1,362	$ 242

Note 3 - Investment Securitie_5

Note 3 - Investment Securities - Securities in an Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Temporarily impaired securities, fair value	$ 580,505	$ 608,473
Temporarily impaired securities, unrealized losses	(122,975)	(87,204)
Temporarily impaired securities, fair value, less than 12 months	58,344	307,425
Temporarily impaired securities, unrealized losses, less than 12 months	(2,883)	(21,450)
Temporarily impaired securities, fair value, 12 months or longer	522,161	301,048
Temporarily impaired securities, unrealized losses, 12 months or longer	(120,092)	(65,754)
US Government Agencies Debt Securities [Member]
Temporarily impaired securities, fair value	43,969	44,451
Temporarily impaired securities, unrealized losses	(13,274)	(10,439)
Temporarily impaired securities, fair value, less than 12 months	6,056	20,517
Temporarily impaired securities, unrealized losses, less than 12 months	(194)	(1,831)
Temporarily impaired securities, fair value, 12 months or longer	37,913	23,934
Temporarily impaired securities, unrealized losses, 12 months or longer	(13,080)	(8,608)
Residential Mortgage-Backed Securities [Member]
Temporarily impaired securities, fair value	389,427	403,039
Temporarily impaired securities, unrealized losses	(76,935)	(57,863)
Temporarily impaired securities, fair value, less than 12 months	28,555	218,918
Temporarily impaired securities, unrealized losses, less than 12 months	(858)	(13,869)
Temporarily impaired securities, fair value, 12 months or longer	360,872	184,121
Temporarily impaired securities, unrealized losses, 12 months or longer	(76,077)	(43,994)
Commercial Mortgage-Backed Securities [Member]
Temporarily impaired securities, fair value	19,927	21,105
Temporarily impaired securities, unrealized losses	(5,376)	(4,381)
Temporarily impaired securities, fair value, less than 12 months	0	14,523
Temporarily impaired securities, unrealized losses, less than 12 months	0	(2,304)
Temporarily impaired securities, fair value, 12 months or longer	19,927	6,582
Temporarily impaired securities, unrealized losses, 12 months or longer	(5,376)	(2,077)
US States and Political Subdivisions Debt Securities [Member]
Temporarily impaired securities, fair value	122,899	133,265
Temporarily impaired securities, unrealized losses	(27,319)	(14,462)
Temporarily impaired securities, fair value, less than 12 months	22,739	47,446
Temporarily impaired securities, unrealized losses, less than 12 months	(1,825)	(3,404)
Temporarily impaired securities, fair value, 12 months or longer	100,160	85,819
Temporarily impaired securities, unrealized losses, 12 months or longer	(25,494)	(11,058)
Corporate Debt Securities [Member]
Temporarily impaired securities, fair value	2,961	4,973
Temporarily impaired securities, unrealized losses	(39)	(26)
Temporarily impaired securities, fair value, less than 12 months	994	4,973
Temporarily impaired securities, unrealized losses, less than 12 months	(6)	(26)
Temporarily impaired securities, fair value, 12 months or longer	1,967	0
Temporarily impaired securities, unrealized losses, 12 months or longer	(33)	0
Asset-Backed Securities [Member]
Temporarily impaired securities, fair value	1,322	1,640
Temporarily impaired securities, unrealized losses	(32)	(33)
Temporarily impaired securities, fair value, less than 12 months	0	1,048
Temporarily impaired securities, unrealized losses, less than 12 months	0	(16)
Temporarily impaired securities, fair value, 12 months or longer	1,322	592
Temporarily impaired securities, unrealized losses, 12 months or longer	$ (32)	$ (17)

Note 4 - Derivatives (Details T

Note 4 - Derivatives (Details Textual) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Nov. 30, 2022 USD ($)	Oct. 01, 2022 USD ($)	Dec. 31, 2021 USD ($)
Interest Income (Expense), Net	$ 62,357	$ 78,161	$ 193,284	$ 224,110
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative, Number of Instruments Held					11		2	11
Derivative Liability, Notional Amount					$ 500,000			$ 500,000
Commenced Fixed Interest Rate Swaps [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Minimum [Member]
Derivative, Fixed Interest Rate					0.63%
Commenced Fixed Interest Rate Swaps [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Maximum [Member]
Derivative, Fixed Interest Rate					3.41%
Interest Rate Cap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivative Liability, Notional Amount						$ 75,000	$ 150,000
Interest Income (Expense), Net	$ 5,500	$ 1,200	$ 14,600	$ 500
Interest Rate Cap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Long [Member]
Derivative Liability, Notional Amount					$ 225,000

Note 4 - Derivatives - Net Loss

Note 4 - Derivatives - Net Losses Recorded in Other Comprehensive Income (Details) - Interest Rate Swap [Member] - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Derivative, amount of gain (loss) recognized in OCI	$ 19,832	$ 44,253
Derivative, amount of gain (loss) reclassified from OCI to interest income	(13,013)	(524)
Derivative, Amount of gain recognized in other Noninterest income	$ 0	$ 0

Note 4 - Derivatives - Cash Flo

Note 4 - Derivatives - Cash Flow Hedges Included in Consolidated Statements of Condition (Details) - Interest Rate Swap [Member] - Cash Flow Hedging [Member] - Designated as Hedging Instrument [Member] - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Derivative, notional amount	$ 950,000	$ 950,000
Derivative, fair value	$ 61,972	$ 56,797

Note 5 - Loans and the Allowa_3

Note 5 - Loans and the Allowance for Credit Losses (Details Textual)	9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Financing Receivable, after Allowance for Credit Loss	$ 8,092,879,000		$ 8,009,176,000
Financing Receivable, Modified, Subsequent Default, Number of Contracts	0
Financing Receivable, Trouble Debt Restructuring, Number of Contracts		5
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring, One Time Principal Payment		$ 500,000
Asset Pledged as Collateral [Member] | Federal Home Loan Bank Advances [Member]
Financing Receivable, after Allowance for Credit Loss	$ 5,700,000,000		$ 2,700,000,000

Note 5 - Loans and the Allowa_4

Note 5 - Loans and the Allowance for Credit Losses - Composition of Loan Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Gross loans	$ 8,188,210	$ 8,109,161
Net deferred loan fees	(7,101)	(9,472)
Total loans receivable	8,181,109	8,099,689
Commercial Portfolio Segment [Member]
Gross loans	1,475,571	1,472,734
Commercial Real Estate Portfolio Segment [Member]
Gross loans	5,837,539	5,795,228
Commercial Construction Portfolio Segment [Member]
Gross loans	622,748	574,139
Residential Portfolio Segment [Member]
Gross loans	251,416	264,748
Consumer Portfolio Segment [Member]
Gross loans	$ 936	$ 2,312

Note 5 - Loans and the Allowa_5

Note 5 - Loans and the Allowance for Credit Losses - Composition of Loans Held-for-sale (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Loans held-for-sale	$ 0	$ 13,772
Commercial Portfolio Segment [Member]
Loans held-for-sale	0	13,473
Residential Mortgage [Member]
Loans held-for-sale	$ 0	$ 299

Note 5 - Loans and the Allowa_6

Note 5 - Loans and the Allowance for Credit Losses - Loans Receivable on Nonaccrual Status (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Nonaccrual loans with ACL	$ 22,480	$ 34,336
Nonaccrual loans without ACL	33,579	10,118
Total Nonaccrual loans	56,059	44,454
Commercial Portfolio Segment [Member]
Nonaccrual loans with ACL	21,604	23,512
Nonaccrual loans without ACL	555	1,745
Total Nonaccrual loans	22,159	25,257
Commercial Real Estate Portfolio Segment [Member]
Nonaccrual loans with ACL	70	10,220
Nonaccrual loans without ACL	29,754	6,597
Total Nonaccrual loans	29,824	16,817
Residential Portfolio Segment [Member]
Nonaccrual loans with ACL	806	604
Nonaccrual loans without ACL	3,270	1,776
Total Nonaccrual loans	$ 4,076	$ 2,380

Note 5 - Loans and the Allowa_7

Note 5 - Loans and the Allowance for Credit Losses - Loans by Origination and Risk Designation (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Originated Current Fiscal Year	$ 326,424	$ 1,940,802
Originated One Year Prior	1,882,973	1,948,742
Originated Two Years Prior	1,894,432	462,092
Originated Three Years Prior	426,257	417,698
Originated Four Years Prior	394,216	479,498
Originated Five or More Years Prior	1,555,800	1,289,624
Revolving Loans	1,708,108	1,570,705
Gross loans	8,188,210	8,109,161
Pass [Member]
Originated Current Fiscal Year	326,120	1,930,147
Originated One Year Prior	1,881,320	1,946,667
Originated Two Years Prior	1,891,721	462,077
Originated Three Years Prior	425,815	408,820
Originated Four Years Prior	389,473	449,120
Originated Five or More Years Prior	1,482,236	1,194,037
Revolving Loans	1,673,845	1,535,858
Gross loans	8,070,530	7,926,726
Special Mention [Member]
Originated Current Fiscal Year	0	3,040
Originated One Year Prior	337	0
Originated Two Years Prior	86	0
Originated Three Years Prior	0	583
Originated Four Years Prior	567	26
Originated Five or More Years Prior	30,521	46,325
Revolving Loans	6,819	12,131
Gross loans	38,330	62,105
Substandard [Member]
Originated Current Fiscal Year	304	7,615
Originated One Year Prior	1,316	2,075
Originated Two Years Prior	2,625	15
Originated Three Years Prior	442	8,295
Originated Four Years Prior	4,176	30,352
Originated Five or More Years Prior	43,043	49,262
Revolving Loans	27,444	22,716
Gross loans	79,350	120,330
Doubtful [Member]
Originated Current Fiscal Year	0	0
Originated One Year Prior	0	0
Originated Two Years Prior	0	0
Originated Three Years Prior	0	0
Originated Four Years Prior	0	0
Originated Five or More Years Prior	0	0
Revolving Loans	0	0
Gross loans	0	0
Commercial Portfolio Segment [Member]
Originated Current Fiscal Year	146,545	309,251
Originated One Year Prior	261,256	305,867
Originated Two Years Prior	271,829	47,967
Originated Three Years Prior	41,463	30,529
Originated Four Years Prior	15,867	64,190
Originated Five or More Years Prior	142,596	158,886
Revolving Loans	596,015	556,044
Gross loans	1,475,571	1,472,734
Commercial Portfolio Segment [Member] | Pass [Member]
Originated Current Fiscal Year	146,241	301,636
Originated One Year Prior	259,603	305,721
Originated Two Years Prior	271,580	47,952
Originated Three Years Prior	41,459	28,177
Originated Four Years Prior	13,749	52,950
Originated Five or More Years Prior	119,592	127,739
Revolving Loans	590,667	550,483
Gross loans	1,442,891	1,414,658
Commercial Portfolio Segment [Member] | Special Mention [Member]
Originated Current Fiscal Year	0	0
Originated One Year Prior	337	0
Originated Two Years Prior	86	0
Originated Three Years Prior	0	583
Originated Four Years Prior	567	26
Originated Five or More Years Prior	3,445	8,551
Revolving Loans	3,989	3,292
Gross loans	8,424	12,452
Commercial Portfolio Segment [Member] | Substandard [Member]
Originated Current Fiscal Year	304	7,615
Originated One Year Prior	1,316	146
Originated Two Years Prior	163	15
Originated Three Years Prior	4	1,769
Originated Four Years Prior	1,551	11,214
Originated Five or More Years Prior	19,559	22,596
Revolving Loans	1,359	2,269
Gross loans	24,256	45,624
Commercial Portfolio Segment [Member] | Doubtful [Member]
Originated Current Fiscal Year	0	0
Originated One Year Prior	0	0
Originated Two Years Prior	0	0
Originated Three Years Prior	0	0
Originated Four Years Prior	0	0
Originated Five or More Years Prior	0	0
Revolving Loans	0	0
Gross loans	0	0
Commercial Real Estate Portfolio Segment [Member]
Originated Current Fiscal Year	170,541	1,574,791
Originated One Year Prior	1,572,880	1,609,952
Originated Two Years Prior	1,583,111	382,987
Originated Three Years Prior	356,251	365,104
Originated Four Years Prior	358,290	395,024
Originated Five or More Years Prior	1,317,063	1,049,043
Revolving Loans	479,403	418,327
Gross loans	5,837,539	5,795,228
Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
Originated Current Fiscal Year	170,541	1,571,751
Originated One Year Prior	1,572,880	1,608,023
Originated Two Years Prior	1,581,212	382,987
Originated Three Years Prior	356,251	358,578
Originated Four Years Prior	355,665	375,886
Originated Five or More Years Prior	1,269,678	987,982
Revolving Loans	462,573	401,365
Gross loans	5,768,800	5,686,572
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Originated Current Fiscal Year	0	3,040
Originated One Year Prior	0	0
Originated Two Years Prior	0	0
Originated Three Years Prior	0	0
Originated Four Years Prior	0	0
Originated Five or More Years Prior	26,421	37,774
Revolving Loans	0	8,839
Gross loans	26,421	49,653
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Originated Current Fiscal Year	0	0
Originated One Year Prior	0	1,929
Originated Two Years Prior	1,899	0
Originated Three Years Prior	0	6,526
Originated Four Years Prior	2,625	19,138
Originated Five or More Years Prior	20,964	23,287
Revolving Loans	16,830	8,123
Gross loans	42,318	59,003
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member]
Originated Current Fiscal Year	0	0
Originated One Year Prior	0	0
Originated Two Years Prior	0	0
Originated Three Years Prior	0	0
Originated Four Years Prior	0	0
Originated Five or More Years Prior	0	0
Revolving Loans	0	0
Gross loans	0	0
Commercial Construction Portfolio Segment [Member]
Originated Current Fiscal Year	582	8,615
Originated One Year Prior	5,693	7,605
Originated Two Years Prior	15,682	6,720
Originated Three Years Prior	6,236	508
Originated Four Years Prior	0	0
Originated Five or More Years Prior	0	0
Revolving Loans	594,555	550,691
Gross loans	622,748	574,139
Commercial Construction Portfolio Segment [Member] | Pass [Member]
Originated Current Fiscal Year	582	8,615
Originated One Year Prior	5,693	7,605
Originated Two Years Prior	15,682	6,720
Originated Three Years Prior	6,236	508
Originated Four Years Prior	0	0
Originated Five or More Years Prior	0	0
Revolving Loans	585,855	542,460
Gross loans	614,048	565,908
Commercial Construction Portfolio Segment [Member] | Special Mention [Member]
Originated Current Fiscal Year	0	0
Originated One Year Prior	0	0
Originated Two Years Prior	0	0
Originated Three Years Prior	0	0
Originated Four Years Prior	0	0
Originated Five or More Years Prior	0	0
Revolving Loans	0	0
Gross loans	0	0
Commercial Construction Portfolio Segment [Member] | Substandard [Member]
Originated Current Fiscal Year	0	0
Originated One Year Prior	0	0
Originated Two Years Prior	0	0
Originated Three Years Prior	0	0
Originated Four Years Prior	0	0
Originated Five or More Years Prior	0	0
Revolving Loans	8,700	8,231
Gross loans	8,700	8,231
Commercial Construction Portfolio Segment [Member] | Doubtful [Member]
Originated Current Fiscal Year	0	0
Originated One Year Prior	0	0
Originated Two Years Prior	0	0
Originated Three Years Prior	0	0
Originated Four Years Prior	0	0
Originated Five or More Years Prior	0	0
Revolving Loans	0	0
Gross loans	0	0
Residential Portfolio Segment [Member]
Originated Current Fiscal Year	8,009	45,926
Originated One Year Prior	43,048	25,318
Originated Two Years Prior	23,810	24,409
Originated Three Years Prior	22,301	21,557
Originated Four Years Prior	20,059	20,284
Originated Five or More Years Prior	96,141	81,693
Revolving Loans	38,048	45,561
Gross loans	251,416	264,748
Residential Portfolio Segment [Member] | Pass [Member]
Originated Current Fiscal Year	8,009	45,926
Originated One Year Prior	43,048	25,318
Originated Two Years Prior	23,247	24,409
Originated Three Years Prior	21,863	21,557
Originated Four Years Prior	20,059	20,284
Originated Five or More Years Prior	92,966	78,314
Revolving Loans	34,663	41,468
Gross loans	243,855	257,276
Residential Portfolio Segment [Member] | Special Mention [Member]
Originated Current Fiscal Year	0	0
Originated One Year Prior	0	0
Originated Two Years Prior	0	0
Originated Three Years Prior	0	0
Originated Four Years Prior	0	0
Originated Five or More Years Prior	655	0
Revolving Loans	2,830	0
Gross loans	3,485	0
Residential Portfolio Segment [Member] | Substandard [Member]
Originated Current Fiscal Year	0	0
Originated One Year Prior	0	0
Originated Two Years Prior	563	0
Originated Three Years Prior	438	0
Originated Four Years Prior	0	0
Originated Five or More Years Prior	2,520	3,379
Revolving Loans	555	4,093
Gross loans	4,076	7,472
Residential Portfolio Segment [Member] | Doubtful [Member]
Originated Current Fiscal Year	0	0
Originated One Year Prior	0	0
Originated Two Years Prior	0	0
Originated Three Years Prior	0	0
Originated Four Years Prior	0	0
Originated Five or More Years Prior	0	0
Revolving Loans	0	0
Gross loans	0	0
Consumer Portfolio Segment [Member]
Originated Current Fiscal Year	747	2,219
Originated One Year Prior	96	0
Originated Two Years Prior	0	9
Originated Three Years Prior	6	0
Originated Four Years Prior	0	0
Originated Five or More Years Prior	0	2
Revolving Loans	87	82
Gross loans	936	2,312
Consumer Portfolio Segment [Member] | Pass [Member]
Originated Current Fiscal Year	747	2,219
Originated One Year Prior	96	0
Originated Two Years Prior	0	9
Originated Three Years Prior	6	0
Originated Four Years Prior	0	0
Originated Five or More Years Prior	0	2
Revolving Loans	87	82
Gross loans	936	2,312
Consumer Portfolio Segment [Member] | Special Mention [Member]
Originated Current Fiscal Year	0	0
Originated One Year Prior	0	0
Originated Two Years Prior	0	0
Originated Three Years Prior	0	0
Originated Four Years Prior	0	0
Originated Five or More Years Prior	0	0
Revolving Loans	0	0
Gross loans	0	0
Consumer Portfolio Segment [Member] | Substandard [Member]
Originated Current Fiscal Year	0	0
Originated One Year Prior	0	0
Originated Two Years Prior	0	0
Originated Three Years Prior	0	0
Originated Four Years Prior	0	0
Originated Five or More Years Prior	0	0
Revolving Loans	0	0
Gross loans	0	0
Consumer Portfolio Segment [Member] | Doubtful [Member]
Originated Current Fiscal Year	0	0
Originated One Year Prior	0	0
Originated Two Years Prior	0	0
Originated Three Years Prior	0	0
Originated Four Years Prior	0	0
Originated Five or More Years Prior	0	0
Revolving Loans	0	0
Gross loans	$ 0	$ 0

Note 5 - Loans and the Allowa_8

Note 5 - Loans and the Allowance for Credit Losses - Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Gross loans	$ 8,188,210	$ 8,109,161
Real Estate [Member]
Gross loans	61,982	71,925
Other Collateral Pledged [Member]
Gross loans	14,719	22,517
Collateral Pledged [Member]
Gross loans	76,701	94,442
Commercial Portfolio Segment [Member]
Gross loans	1,475,571	1,472,734
Commercial Portfolio Segment [Member] | Real Estate [Member]
Gross loans	4,891	5,352
Commercial Portfolio Segment [Member] | Other Collateral Pledged [Member]
Gross loans	14,719	22,517
Commercial Portfolio Segment [Member] | Collateral Pledged [Member]
Gross loans	19,610	27,869
Commercial Real Estate Portfolio Segment [Member]
Gross loans	5,837,539	5,795,228
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member]
Gross loans	41,636	52,477
Commercial Real Estate Portfolio Segment [Member] | Other Collateral Pledged [Member]
Gross loans	0	0
Commercial Real Estate Portfolio Segment [Member] | Collateral Pledged [Member]
Gross loans	41,636	52,477
Commercial Construction Portfolio Segment [Member]
Gross loans	622,748	574,139
Commercial Construction Portfolio Segment [Member] | Real Estate [Member]
Gross loans	8,700	8,232
Commercial Construction Portfolio Segment [Member] | Other Collateral Pledged [Member]
Gross loans	0	0
Commercial Construction Portfolio Segment [Member] | Collateral Pledged [Member]
Gross loans	8,700	8,232
Residential Portfolio Segment [Member]
Gross loans	251,416	264,748
Residential Portfolio Segment [Member] | Real Estate [Member]
Gross loans	6,755	5,864
Residential Portfolio Segment [Member] | Other Collateral Pledged [Member]
Gross loans	0	0
Residential Portfolio Segment [Member] | Collateral Pledged [Member]
Gross loans	$ 6,755	$ 5,864

Note 5 - Loans and the Allowa_9

Note 5 - Loans and the Allowance for Credit Losses - Analysis of Aging of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Gross loans	$ 8,188,210	$ 8,109,161
Nonaccrual	56,059	44,454
Financial Asset, 30 to 59 Days Past Due [Member]
Gross loans	660	1,965
Financial Asset, 60 to 89 Days Past Due [Member]
Gross loans	2,830	0
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Gross loans	0	5,591
Financial Asset, Past Due [Member]
Gross loans	59,549	52,010
Financial Asset, Not Past Due [Member]
Gross loans	8,128,661	8,057,151
Commercial Portfolio Segment [Member]
Gross loans	1,475,571	1,472,734
Nonaccrual	22,159	25,257
Commercial Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Gross loans	433	306
Commercial Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Gross loans	1,979	0
Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Gross loans	0	0
Commercial Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Gross loans	24,571	25,563
Commercial Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Gross loans	1,451,000	1,447,171
Commercial Real Estate Portfolio Segment [Member]
Gross loans	5,837,539	5,795,228
Nonaccrual	29,824	16,817
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Gross loans	0	90
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Gross loans	597	0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Gross loans	0	5,591
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Gross loans	30,421	22,498
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Gross loans	5,807,118	5,772,730
Commercial Construction Portfolio Segment [Member]
Gross loans	622,748	574,139
Nonaccrual	0	0
Commercial Construction Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Gross loans	0	0
Commercial Construction Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Gross loans	0	0
Commercial Construction Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Gross loans	0	0
Commercial Construction Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Gross loans	0	0
Commercial Construction Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Gross loans	622,748	574,139
Residential Portfolio Segment [Member]
Gross loans	251,416	264,748
Nonaccrual	4,076	2,380
Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Gross loans	227	1,569
Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Gross loans	0	0
Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Gross loans	0	0
Residential Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Gross loans	4,303	3,949
Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Gross loans	247,113	260,799
Consumer Portfolio Segment [Member]
Gross loans	936	2,312
Nonaccrual	0	0
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Gross loans	0	0
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Gross loans	254	0
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Gross loans	0	0
Consumer Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Gross loans	254	0
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Gross loans	$ 682	$ 2,312

Note 5 - Loans and the Allow_10

Note 5 - Loans and the Allowance for Credit Losses - Impairment Evaluation on Loans and Allowance for Credit Losses (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Individually evaluated impairment	$ 8,346	$ 8,479
Collectively evaluated impairment	79,151	77,955
Total	88,230	90,513
Individually evaluated impairment	81,767	91,976
Collectively evaluated impairment	8,105,953	8,006,720
Total	8,188,210	8,109,161
Financial Asset Acquired with Credit Deterioration [Member]
Individually evaluated impairment	733	4,079
Individually evaluated impairment	490	10,465
Commercial Portfolio Segment [Member]
Individually evaluated impairment	7,685	7,426
Collectively evaluated impairment	19,433	19,319
Total	27,851	28,903
Individually evaluated impairment	24,676	30,994
Collectively evaluated impairment	1,450,405	1,436,866
Total	1,475,571	1,472,734
Commercial Portfolio Segment [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Individually evaluated impairment	733	2,158
Individually evaluated impairment	490	4,874
Commercial Real Estate Portfolio Segment [Member]
Individually evaluated impairment	661	1,003
Collectively evaluated impairment	52,072	50,818
Total	52,733	53,742
Individually evaluated impairment	41,636	46,886
Collectively evaluated impairment	5,795,903	5,742,751
Total	5,837,539	5,795,228
Commercial Real Estate Portfolio Segment [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Individually evaluated impairment	0	1,921
Individually evaluated impairment	0	5,591
Commercial Construction Portfolio Segment [Member]
Individually evaluated impairment	0	0
Collectively evaluated impairment	3,909	3,718
Total	3,909	3,718
Individually evaluated impairment	8,700	8,232
Collectively evaluated impairment	614,048	565,907
Total	622,748	574,139
Commercial Construction Portfolio Segment [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Individually evaluated impairment	0	0
Individually evaluated impairment	0	0
Residential Portfolio Segment [Member]
Individually evaluated impairment	0	50
Collectively evaluated impairment	3,732	4,093
Total	3,732	4,143
Individually evaluated impairment	6,755	5,864
Collectively evaluated impairment	244,661	258,884
Total	251,416	264,748
Residential Portfolio Segment [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Individually evaluated impairment	0	0
Individually evaluated impairment	0	0
Consumer Portfolio Segment [Member]
Individually evaluated impairment	0	0
Collectively evaluated impairment	5	7
Total	5	7
Individually evaluated impairment	0	0
Collectively evaluated impairment	936	2,312
Total	936	2,312
Consumer Portfolio Segment [Member] | Financial Asset Acquired with Credit Deterioration [Member]
Individually evaluated impairment	0	0
Individually evaluated impairment	$ 0	$ 0

Note 5 - Loans and the Allow_11

Note 5 - Loans and the Allowance for Credit Losses - Activity in the ACL for Loans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Provision for (reversal of) credit losses - loans	$ 1,504	$ 9,338	$ 5,721	$ 13,816
Commercial Portfolio Segment [Member]
Balance	29,326	28,135	28,903	25,969
Charge-offs	(2,250)	(410)	(6,117)	(751)
Recoveries	0	53	9	54
Provision for (reversal of) credit losses - loans	775	1,911	5,056	4,417
Balance	27,851	29,689	27,851	29,689
Commercial Real Estate Portfolio Segment [Member]
Balance	52,509	47,562	53,742	45,589
Charge-offs	(237)	0	(1,954)	(226)
Recoveries	0	0	0	0
Provision for (reversal of) credit losses - loans	461	6,964	945	9,163
Balance	52,733	54,526	52,733	54,526
Commercial Construction Portfolio Segment [Member]
Balance	3,546	3,413	3,718	3,580
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision for (reversal of) credit losses - loans	363	31	191	(136)
Balance	3,909	3,444	3,909	3,444
Residential Portfolio Segment [Member]
Balance	3,819	3,625	4,143	3,628
Charge-offs	0	0	(18)	(9)
Recoveries	1	0	69	63
Provision for (reversal of) credit losses - loans	(88)	428	(462)	371
Balance	3,732	4,053	3,732	4,053
Consumer Portfolio Segment [Member]
Balance	5	4	7	7
Charge-offs	0	(3)	0	(3)
Recoveries	7	0	7	0
Provision for (reversal of) credit losses - loans	(7)	4	(9)	1
Balance	5	5	5	5
Unallocated Financing Receivables [Member]
Balance	89,205	82,739	90,513	78,773
Charge-offs	(2,487)	(413)	(8,089)	(989)
Recoveries	8	53	85	117
Provision for (reversal of) credit losses - loans	1,504	9,338	5,721	13,816
Balance	$ 88,230	$ 91,717	$ 88,230	$ 91,717

Note 5 - Loans and the Allow_12

Note 5 - Loans and the Allowance for Credit Losses - Amortized Cost of of the Modified Loans (Details) Pure in Thousands, $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Commercial Portfolio Segment [Member]
Commercial	$ 44
Commercial	0%
Commercial Real Estate Portfolio Segment [Member]
Commercial	$ 211
Commercial	0%

Note 5 - Loans and the Allow_13

Note 5 - Loans and the Allowance for Credit Losses - Aging of Modified Loans (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Commercial Portfolio Segment [Member]
Commercial	$ 44
Commercial Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Commercial	44
Commercial Portfolio Segment [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Commercial	0
Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Commercial	0
Commercial Real Estate Portfolio Segment [Member]
Commercial	211
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Commercial	211
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 89 Days Past Due [Member]
Commercial	0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Commercial	$ 0

Note 5 - Loans and the Allow_14

Note 5 - Loans and the Allowance for Credit Losses - Rollforward of Allowance for Credit Losses for Unfunded Commitments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
(Reversal of) provision for credit losses - unfunded commitments			$ (221)	$ 634
Unfunded Loan Commitment [Member]
Balance at beginning of period	$ 2,819	$ 2,324	3,036	2,352
(Reversal of) provision for credit losses - unfunded commitments	(4)	662	(221)	634
Balance at end of period	$ 2,815	$ 2,986	$ 2,815	$ 2,986

Note 5 - Loans and the Allow_15

Note 5 - Loans and the Allowance for Credit Losses - Summary of (Reversal of) Provision for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Provision for credit losses – loans	$ 1,504	$ 9,338	$ 5,721	$ 13,816
(Reversal of) provision for credit losses - unfunded commitments			(221)	634
Provision for credit losses	1,500	10,000	5,500	14,450
Unfunded Loan Commitment [Member]
(Reversal of) provision for credit losses - unfunded commitments	$ (4)	$ 662	$ (221)	$ 634

Note 6 - Fair Value Measureme_3

Note 6 - Fair Value Measurements and Fair Value of Financial Instruments (Details Textual) - Collateral Pledged [Member] - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Impaired Financing Receivable, with Related Allowance, Recorded Investment	$ 23.8	$ 43.8
Impaired Financing Receivable, Related Allowance	$ 5.8	$ 10.5

Note 6 - Fair Value Measureme_4

Note 6 - Fair Value Measurements and Fair Value of Financial Instruments - Assets and Liabilities Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Securities available-for-sale	$ 581,867	$ 634,884
Fair Value, Recurring [Member]
Securities available-for-sale	581,867	634,884
Equity securities	17,677	15,811
Derivatives - interest rate contracts	61,972	56,797
Total assets	661,516	707,492
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	1,362	242
Equity securities	9,394	9,733
Derivatives - interest rate contracts	0	0
Total assets	10,756	9,975
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	573,488	627,293
Equity securities	8,283	6,078
Derivatives - interest rate contracts	61,972	56,797
Total assets	643,743	690,168
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	7,017	7,349
Equity securities	0	0
Derivatives - interest rate contracts	0	0
Total assets	7,017	7,349
US Government Agencies Debt Securities [Member]
Securities available-for-sale	43,969	44,450
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member]
Securities available-for-sale	43,969	44,450
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0	0
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	43,969	44,450
US Government Agencies Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Residential Mortgage-Backed Securities [Member]
Securities available-for-sale	389,427	417,578
Residential Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member]
Securities available-for-sale	389,427	417,578
Residential Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0	0
Residential Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	389,427	417,578
Residential Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Commercial Mortgage-Backed Securities [Member]
Securities available-for-sale	19,927	21,104
Commercial Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member]
Securities available-for-sale	19,927	21,104
Commercial Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0	0
Commercial Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	19,927	21,104
Commercial Mortgage-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
US States and Political Subdivisions Debt Securities [Member]
Securities available-for-sale	122,899	142,896
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member]
Securities available-for-sale	122,899	142,896
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0	0
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	115,882	135,547
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	7,017	7,349
Corporate Debt Securities [Member]
Securities available-for-sale	2,961	6,974
Corporate Debt Securities [Member] | Fair Value, Recurring [Member]
Securities available-for-sale	2,961	6,974
Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0	0
Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	2,961	6,974
Corporate Debt Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Asset-Backed Securities [Member]
Securities available-for-sale	1,322	1,640
Asset-Backed Securities [Member] | Fair Value, Recurring [Member]
Securities available-for-sale	1,322	1,640
Asset-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	0	0
Asset-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	1,322	1,640
Asset-Backed Securities [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	0	0
Other Debt Obligations [Member]
Securities available-for-sale	1,362	242
Other Debt Obligations [Member] | Fair Value, Recurring [Member]
Securities available-for-sale	1,362	242
Other Debt Obligations [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Securities available-for-sale	1,362	242
Other Debt Obligations [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available-for-sale	0	0
Other Debt Obligations [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Securities available-for-sale	$ 0	$ 0

Note 6 - Fair Value Measureme_5

Note 6 - Fair Value Measurements and Fair Value of Financial Instruments - Assets Measured on a Nonrecurring Basis (Details) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Commercial Portfolio Segment [Member]
Collateral dependent loans	$ 10,659	$ 14,550
Commercial Portfolio Segment [Member] | Fair Value, Inputs, Level 1 [Member]
Collateral dependent loans	0	0
Commercial Portfolio Segment [Member] | Fair Value, Inputs, Level 2 [Member]
Collateral dependent loans	0	0
Commercial Portfolio Segment [Member] | Fair Value, Inputs, Level 3 [Member]
Collateral dependent loans	10,659	14,550
Commercial Real Estate Portfolio Segment [Member]
Collateral dependent loans	7,330	17,264
Commercial Real Estate Portfolio Segment [Member] | Fair Value, Inputs, Level 1 [Member]
Collateral dependent loans	0	0
Commercial Real Estate Portfolio Segment [Member] | Fair Value, Inputs, Level 2 [Member]
Collateral dependent loans	0	0
Commercial Real Estate Portfolio Segment [Member] | Fair Value, Inputs, Level 3 [Member]
Collateral dependent loans	$ 7,330	17,264
Residential Portfolio Segment [Member]
Collateral dependent loans		1,392
Residential Portfolio Segment [Member] | Fair Value, Inputs, Level 1 [Member]
Collateral dependent loans		0
Residential Portfolio Segment [Member] | Fair Value, Inputs, Level 2 [Member]
Collateral dependent loans		0
Residential Portfolio Segment [Member] | Fair Value, Inputs, Level 3 [Member]
Collateral dependent loans		$ 1,392

Note 6 - Fair Value Measureme_6

Note 6 - Fair Value Measurements and Fair Value of Financial Instruments - Assets Measured on Recurring Basis Using Significant Unobservable Inputs (Details) - US States and Political Subdivisions Debt Securities [Member] - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Beginning	$ 7,349	$ 8,565
Principal paydowns	(221)	(287)
Change in unrealized gain	(111)	(929)
Beginning	$ 7,017	$ 7,349

Note 6 - Fair Value Measureme_7

Note 6 - Fair Value Measurements and Fair Value of Financial Instruments - Quantitative Information About Significant Unobservable Inputs (Details) $ in Thousands	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Securities available-for-sale	$ 581,867	$ 634,884
Fair Value, Recurring [Member]
Securities available-for-sale	581,867	634,884
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member]
Securities available-for-sale	7,017	7,349
US States and Political Subdivisions Debt Securities [Member]
Securities available-for-sale	122,899	142,896
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Recurring [Member]
Securities available-for-sale	122,899	142,896
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member]
Securities available-for-sale	$ 7,017	$ 7,349
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member]
Securities available-for-sale, rate	0.044	0.043

Note 6 - Fair Value Measureme_8

Note 6 - Fair Value Measurements and Fair Value of Financial Instruments - Significant Unobservable Inputs for Assets Measured on Nonrecurring Basis (Details) - Fair Value, Nonrecurring [Member] $ in Thousands	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Commercial Portfolio Segment [Member]
Collateral dependent loans, fair value	$ 10,659	$ 14,550
Commercial Real Estate Portfolio Segment [Member]
Collateral dependent loans, fair value	7,330	17,264
Residential Portfolio Segment [Member]
Collateral dependent loans, fair value		1,392
Fair Value, Inputs, Level 3 [Member] | Commercial Portfolio Segment [Member]
Collateral dependent loans, fair value	10,659	14,550
Fair Value, Inputs, Level 3 [Member] | Commercial Portfolio Segment [Member] | Average Transfer Price as Price to Unpaid Principal Balance [Member] | Valuation, Market Approach [Member]
Collateral dependent loans, fair value	$ 10,205	$ 14,028
Fair Value, Inputs, Level 3 [Member] | Commercial Portfolio Segment [Member] | Average Transfer Price as Price to Unpaid Principal Balance [Member] | Valuation, Market Approach [Member] | Maximum [Member]
Collateral dependent loans, rate	92	96
Fair Value, Inputs, Level 3 [Member] | Commercial Portfolio Segment [Member] | Average Transfer Price as Price to Unpaid Principal Balance [Member] | Valuation, Market Approach [Member] | Weighted Average [Member]
Collateral dependent loans, rate	68	67
Fair Value, Inputs, Level 3 [Member] | Commercial Portfolio Segment [Member] | Average Transfer Price as Price to Unpaid Principal Balance [Member] | Valuation, Market Approach [Member] | Minimum [Member]
Collateral dependent loans, rate	65	65
Fair Value, Inputs, Level 3 [Member] | Commercial Portfolio Segment [Member] | Measurement Input, Comparability Adjustment [Member] | Appraisals of Collateral Value [Member]
Collateral dependent loans, fair value	$ 454	$ 522
Fair Value, Inputs, Level 3 [Member] | Commercial Portfolio Segment [Member] | Measurement Input, Comparability Adjustment [Member] | Appraisals of Collateral Value [Member] | Maximum [Member]
Collateral dependent loans, rate	25	13
Fair Value, Inputs, Level 3 [Member] | Commercial Portfolio Segment [Member] | Measurement Input, Comparability Adjustment [Member] | Appraisals of Collateral Value [Member] | Weighted Average [Member]
Collateral dependent loans, rate	0.1	3
Fair Value, Inputs, Level 3 [Member] | Commercial Portfolio Segment [Member] | Measurement Input, Comparability Adjustment [Member] | Appraisals of Collateral Value [Member] | Minimum [Member]
Collateral dependent loans, rate	(7.5)	(10)
Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate Portfolio Segment [Member]
Collateral dependent loans, fair value	$ 7,330	$ 17,264
Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate Portfolio Segment [Member] | Measurement Input, Comparability Adjustment [Member] | Appraisals of Collateral Value [Member]
Collateral dependent loans, fair value	$ 7,330	$ 17,264
Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate Portfolio Segment [Member] | Measurement Input, Comparability Adjustment [Member] | Appraisals of Collateral Value [Member] | Maximum [Member]
Collateral dependent loans, rate	5	0
Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate Portfolio Segment [Member] | Measurement Input, Comparability Adjustment [Member] | Appraisals of Collateral Value [Member] | Weighted Average [Member]
Collateral dependent loans, rate	4	15
Fair Value, Inputs, Level 3 [Member] | Commercial Real Estate Portfolio Segment [Member] | Measurement Input, Comparability Adjustment [Member] | Appraisals of Collateral Value [Member] | Minimum [Member]
Collateral dependent loans, rate	(15)	(20)
Fair Value, Inputs, Level 3 [Member] | Residential Portfolio Segment [Member]
Collateral dependent loans, fair value		$ 1,392
Fair Value, Inputs, Level 3 [Member] | Residential Portfolio Segment [Member] | Measurement Input, Comparability Adjustment [Member] | Appraisals of Collateral Value [Member]
Collateral dependent loans, fair value		$ 1,392
Fair Value, Inputs, Level 3 [Member] | Residential Portfolio Segment [Member] | Measurement Input, Comparability Adjustment [Member] | Appraisals of Collateral Value [Member] | Maximum [Member]
Collateral dependent loans, rate		39
Fair Value, Inputs, Level 3 [Member] | Residential Portfolio Segment [Member] | Measurement Input, Comparability Adjustment [Member] | Appraisals of Collateral Value [Member] | Weighted Average [Member]
Collateral dependent loans, rate		22
Fair Value, Inputs, Level 3 [Member] | Residential Portfolio Segment [Member] | Measurement Input, Comparability Adjustment [Member] | Appraisals of Collateral Value [Member] | Minimum [Member]
Collateral dependent loans, rate		21

Note 6 - Fair Value Measureme_9

Note 6 - Fair Value Measurements and Fair Value of Financial Instruments - Carrying Value and Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Securities available-for-sale	$ 581,867	$ 634,884
Reported Value Measurement [Member]
Cash and due from banks	253,298	268,315
Securities available-for-sale	581,867	634,884
Restricted investments in bank stocks	49,387	46,604
Equity securities	17,677	15,811
Net loans	8,092,879	8,009,176
Derivatives - interest rate contracts	61,972	56,797
Accrued interest receivable	46,795	46,062
Noninterest-bearing deposits	1,224,125	1,501,614
Interest-bearing deposits	6,214,370	5,855,008
Borrowings	887,590	857,622
Subordinated debentures	79,313	153,255
Accrued interest payable	9,800	6,925
Estimate of Fair Value Measurement [Member]
Cash and due from banks	253,298	268,315
Securities available-for-sale	581,867	634,884
Equity securities	17,677	15,811
Net loans	7,725,439	7,723,378
Derivatives - interest rate contracts	61,972	56,797
Accrued interest receivable	46,795	46,062
Noninterest-bearing deposits	1,224,125	1,501,614
Interest-bearing deposits	6,181,082	5,811,291
Borrowings	884,745	854,698
Subordinated debentures	77,588	153,581
Accrued interest payable	9,800	6,925
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and due from banks	253,298	268,315
Securities available-for-sale	1,362	242
Equity securities	9,394	9,733
Net loans	0	0
Derivatives - interest rate contracts	0	0
Accrued interest receivable	0	0
Noninterest-bearing deposits	1,224,125	1,501,614
Interest-bearing deposits	3,692,159	3,460,818
Borrowings	0
Subordinated debentures	0	0
Accrued interest payable	0	0
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Cash and due from banks	0	0
Securities available-for-sale	573,488	627,293
Equity securities	8,283	6,078
Net loans	0	0
Derivatives - interest rate contracts	61,972	56,797
Accrued interest receivable	5,160	4,685
Noninterest-bearing deposits	0	0
Interest-bearing deposits	2,488,923	2,350,473
Borrowings	884,745	854,698
Subordinated debentures	77,588	153,581
Accrued interest payable	9,800	6,925
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Cash and due from banks	0	0
Securities available-for-sale	7,017	7,349
Equity securities	0	0
Net loans	7,725,439	7,723,378
Derivatives - interest rate contracts	0	0
Accrued interest receivable	41,635	41,377
Noninterest-bearing deposits	0	0
Interest-bearing deposits	0	0
Borrowings	0	0
Subordinated debentures	0	0
Accrued interest payable	$ 0	$ 0

Note 7 - Comprehensive (Loss)_3

Note 7 - Comprehensive (Loss) Income - Reclassification out of Accumulated Other Comprehensive (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest income (expense) on cash flow hedges	$ 62,357	$ 78,161	$ 193,284	$ 224,110
Income tax expense	7,228	10,425	23,742	33,665
Net income	21,407	28,915	67,730	92,654
Other components of net periodic pension expense	(25)	(143)	(76)	(429)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Net income	3,299	823	8,943	330
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Interest income (expense) on cash flow hedges	4,793	1,178	13,013	524
Income tax expense	22	5	67	14
Net income	(52)	(12)	(155)	(35)
Reclassification out of Accumulated Other Comprehensive Income [Member] | AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Income tax expense	(1,442)	(343)	(3,915)	(159)
Net income	3,351	835	9,098	365
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Other components of net periodic pension expense	$ (74)	$ (17)	$ (222)	$ (49)

Note 7 - Comprehensive (Loss)_4

Note 7 - Comprehensive (Loss) Income - Accumulated Other Comprehensive (Loss) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Balance	$ 1,188,154	$ 1,199,397	$ 1,178,751	$ 1,148,295	$ 1,143,147	$ 1,124,212
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance	(87,748)		(61,775)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	37,128		32,360
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Balance	(2,794)		(2,949)
AOCI Attributable to Parent [Member]
Balance	$ (53,414)	$ (33,837)	$ (32,364)	$ (36,492)	$ (19,103)	$ (1,404)

Note 8 - Stock-based Compensa_3

Note 8 - Stock-based Compensation (Details Textual) - USD ($) $ in Millions			3 Months Ended		9 Months Ended
	May 30, 2023	May 23, 2017	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-Based Payment Arrangement, Expense			$ 1.3	$ 1.2	$ 3.6	$ 3.5
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture (in shares)			3,938		36,006	31,383
Performance Shares [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount			$ 1.8		$ 1.8
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)					1 year 10 months 24 days
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Expected toVested (in shares)			164,231		164,231
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Expected to Vest, Performance Obligations Exceeded (in shares)			233,087		233,087
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)					116,192
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation (in shares)					63,839
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture (in shares)					52,353	22,350
Restricted Stock [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount			$ 1.1		$ 1.1
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)					1 year 2 months 12 days
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)					47,067
Restricted Stock Units (RSUs) [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount			$ 2.3		$ 2.3
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)					1 year 6 months
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)					78,544
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation (in shares)					42,538
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture (in shares)					36,006
The 2017 Equity Compensation Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares)	450,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)			1,200,000		1,200,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)			469,501		469,501
The 2017 Equity Compensation Plan [Member] | Restricted Stock, Options and Restricted Stock Units [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)		3 years
The 2017 Equity Compensation Plan [Member] | Restricted Stock, Options and Restricted Stock Units [Member] | Vesting Each Year [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage		33.33%
The 2017 Equity Compensation Plan [Member] | Share-Based Payment Arrangement, Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)		10 years
The 2017 Equity Compensation Plan [Member] | Performance Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)		3 years

Note 8 - Stock-based Compensa_4

Note 8 - Stock-based Compensation - Activity in Options (Details) - $ / shares	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023	Sep. 30, 2022
Outstanding, number of stock options (in shares)		8,680
Outstanding, weighted-average exercise price (in dollars per share)		$ 12.95
Exercised, number of stock options (in shares)	(646)	(7,388)	(15,086)
Exercised, weighted-average exercise price (in dollars per share)		$ 12.73
Forfeited/cancelled/expired, number of stock options (in shares)		(1,292)
Forfeited/cancelled/expired, weighted-average exercise price (in dollars per share)		$ 14.24
Outstanding, number of stock options (in shares)	0	0
Outstanding, weighted-average exercise price (in dollars per share)	$ 0	$ 0
Exercisable, number of stock options (in shares)	0	0
Exercisable, weighted-average exercise price (in dollars per share)	$ 0	$ 0

Note 8 - Share-based Compensati

Note 8 - Share-based Compensation - Activity in Restricted Shares (Details) - Restricted Stock [Member]	9 Months Ended
	Sep. 30, 2023 $ / shares shares
Nonvested, shares (in shares) | shares	85,931
Nonvested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 26.2
Granted, shares (in shares) | shares	93,147
Granted, weighted average grant date fair value (in dollars per share) | $ / shares	$ 16.19
Vested, shares (in shares) | shares	(47,067)
Vested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 27.59
Forfeited/cancelled/expired, shares (in shares) | shares	(9,090)
Forfeited/cancelled/expired, weighted average grant date fair value (in dollars per share) | $ / shares	$ 21.76
Nonvested, shares (in shares) | shares	122,921
Nonvested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 18.41

Note 8 - Stock-based Compensa_5

Note 8 - Stock-based Compensation - Summary of Unearned Performance Unit Awards (Details) - Performance Shares [Member]	9 Months Ended
	Sep. 30, 2023 $ / shares shares
Nonvested, shares (in shares)	195,265
Nonvested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 17.98
Awarded, units (in shares)	85,158
Awarded, weighted average grant date fair value (in dollars per share) | $ / shares	$ 17.93
Vested shares, units (in shares)	(116,192)
Vested shares, weighted average grant date fair value (in dollars per share) | $ / shares	$ 10.77
Nonvested, shares (in shares)	164,231
Unearned, units (maximum) (in shares)	233,087
Nonvested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 23.06

Note 8 - Stock-based Compensa_6

Note 8 - Stock-based Compensation - Summary of Unearned Restricted Stock Units (Details) - Restricted Stock Units (RSUs) [Member]	9 Months Ended
	Sep. 30, 2023 $ / shares shares
Nonvested, shares (in shares) | shares	120,035
Nonvested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 23.84
Awarded, units (in shares) | shares	146,857
Awarded, weighted average grant date fair value (in dollars per share) | $ / shares	$ 18.97
Vested shares, units (in shares) | shares	(78,544)
Vested shares, weighted average grant date fair value (in dollars per share) | $ / shares	$ 19.71
Nonvested, shares (in shares) | shares	188,348
Nonvested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 21.77

Note 9 - Components of Net Pe_3

Note 9 - Components of Net Periodic Pension Cost - Net Periodic Pension Cost (Details) - Pension Plan [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Service cost	$ 0	$ 0	$ 0	$ 0
Interest cost	110	78	330	233
Expected return on plan assets	(209)	(237)	(628)	(711)
Net amortization	74	17	222	49
Total periodic pension income	$ (25)	$ (142)	$ (76)	$ (429)

Note 10 - FHLB Borrowings (Deta

Note 10 - FHLB Borrowings (Details Textual) $ in Billions	Sep. 30, 2023 USD ($)
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	$ 2.8
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds	$ 1.4

Note 10 - FHLB Borrowings - FHL

Note 10 - FHLB Borrowings - FHLB Borrowings and Weighted Average Interest Rates (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Less than 1 year, amount	$ 835,000	$ 830,000
Less than 1 year, rate	5.60%	4.42%
1 year through less than 2 years, amount	$ 25,000	$ 0
1 year through less than 2 years, rate	1%	0%
2 years through less than 3 years, amount	$ 2,050	$ 25,000
2 years through less than 3 years, rate	2.23%	1%
3 years through less than 4 years, amount	$ 0	$ 2,050
3 years through less than 4 years, rate	0%	2.23%
4 years through 5 years, amount	$ 25,301	$ 326
4 years through 5 years, rate	4.16%	2.85%
After 5 years, amount	$ 302	$ 326
After 5 years, rate	2.96%	2.96%
FHLB borrowings - gross	$ 887,653	$ 857,702
FHLB borrowings - gross	5.42%	4.32%
Fair value discount	$ (63)	$ (80)
Borrowings	$ 887,590	$ 857,622

Note 11 - Subordinated Debent_3

Note 11 - Subordinated Debentures (Details Textual) - USD ($)			1 Months Ended	9 Months Ended	12 Months Ended
	Jun. 10, 2020	Jan. 11, 2018	Dec. 31, 2003	Sep. 30, 2023	Dec. 31, 2022	May 01, 2023	Dec. 19, 2003
Subordinated Debt [Member] | The 2020 Notes [Member]
Debt Instrument, Face Amount	$ 75,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.75%
Subordinated Debt [Member] | The Notes [Member]
Debt Instrument, Face Amount		$ 75,000,000
Subordinated Debt [Member] | LIBOR - London Interbank Offered Rate [Member] | The Notes [Member]
Debt Instrument, Basis Spread on Variable Rate		2.84%
Subordinated Debt [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | The 2020 Notes [Member]
Debt Instrument, Basis Spread on Variable Rate	5.605%
Center Bancorp Statutory Trust II [Member]
Debt Instrument, Face Amount				$ 5,000,000
Center Bancorp Statutory Trust II [Member] | Subordinated Debt [Member]
Debt Instrument, Face Amount				$ 5,000,000,000	$ 5,000,000		$ 5,000,000
Proceeds from Issuance of Debt			$ 5,200,000
Debt Instrument, Basis Spread on Variable Rate				2.85%	2.85%
Debt Instrument, Interest Rate, Effective Percentage				8.48%
Center Bancorp Statutory Trust II [Member] | Subordinated Debt [Member] | LIBOR - London Interbank Offered Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			2.85%
Center Bancorp Statutory Trust II [Member] | Subordinated Debt [Member] | Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument, Interest Rate, Effective Percentage				2.85%		0.26161%

Note 11 - Subordinated Debent_4

Note 11 - Subordinated Debentures - Summary of Mandatory Redeemable Trust Preferred Securities (Details) - Center Bancorp Statutory Trust II [Member] - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022	Dec. 19, 2003
Securities issued	$ 5,000,000
Subordinated Debt [Member]
Securities issued	$ 5,000,000,000	$ 5,000,000	$ 5,000,000
Liquidation value (in dollars per share)	$ 1,000	$ 1,000
Coupon rate	2.85%	2.85%
Maturity	Jan. 23, 2034	Jan. 23, 2034
Redeemable by issuer beginning	Jan. 23, 2009	Jan. 23, 2009