Quarterly Financial Data (Unaudited) - Selected Unaudited Quarterly Financial Data (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Note 23 - Quarterly Financial Data (Unaudited)
Interest income	$ 108,763	$ 104,036	$ 96,561	$ 92,117	$ 89,270	$ 81,745	$ 74,291	$ 71,320	$ 401,477	$ 316,626	$ 288,562
Interest expense	62,678	59,609	53,183	46,855	35,069	20,539	9,561	7,841	222,325	73,010	40,593
Net interest income	46,085	44,427	43,378	45,262	54,201	61,206	64,730	63,479	179,152	243,616	247,969
Provision for credit losses	998	596	1,416	7,508	(12)	2,145	1,590	1,358
Other operating (loss) income	7,402	3,309	5,020	6,857	(7,652)	8,995	7,353	1,313	22,588	10,009	3,687
Other operating expense	40,735	36,388	35,110	39,156	33,742	35,634	35,522	38,794	151,389	143,692	147,322
Income (loss) before income tax expense	11,754	10,752	11,872	5,455	12,819	32,422	34,971	24,640	39,833	104,852	109,278
Total income tax provision	3,655	2,917	3,186	1,411	2,570	8,980	9,936	6,421	11,169	27,907	27,485
Net Income (Loss)	$ 8,099	$ 7,835	$ 8,686	$ 4,044	$ 10,249	$ 23,442	$ 25,035	$ 18,219	$ 28,664	$ 76,945	$ 81,793
Basic earnings per common share (in dollars per share)	$ 0.27	$ 0.26	$ 0.29	$ 0.13	$ 0.34	$ 0.76	$ 0.81	$ 0.58	$ 0.96	$ 2.50	$ 2.59
Diluted earnings per common share (in dollars per share)	0.27	0.26	0.29	0.13	0.34	0.76	0.81	0.58	0.96	2.50	2.59
Dividends on common share (in dollars per share)	$ 0.22	$ 0.22	$ 0.22	$ 0.22	$ 0.22	$ 0.22	$ 0.22	$ 0.22	$ 0.88	$ 0.88	$ 0.84
Basic earnings per share (in shares)	29,650	29,703	30,090	30,265	30,420	30,695	30,937	31,254
Diluted earnings per share (in shares)	29,650	29,703	30,090	30,265	30,420	30,695	30,937	31,254	29,925	30,823	31,550