Quarterly Results of Operations (unaudited) (Details) - USD ($) $ / shares in Units, $ 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
Quarterly Financial Information Disclosure [Abstract]
Interest income	$ 65,386	$ 63,572	$ 61,350	$ 59,305	$ 56,757	$ 53,421	$ 44,729	$ 41,852	$ 249,613	$ 196,759	$ 176,766
Interest expense	32,827	28,997	24,388	19,229	13,193	7,688	5,004	4,516	105,441	30,401	20,485
Net interest income	32,559	34,575	36,962	40,076	43,564	45,733	39,725	37,336	144,172	166,358	156,281
Credit loss expense	1,768	1,551	1,597	933	572	638	3,282	0
Noninterest income	3,862	9,861	8,746	(4,046)	10,940	12,588	12,347	11,644	18,423	47,519	42,453
Noninterest expense	32,131	31,544	34,919	33,319	34,440	34,623	32,082	31,643	131,913	132,788	116,592
Income before income tax expense	2,522	11,341	9,192	1,778	19,492	23,060	16,708	17,337	24,833	76,597	89,478
Income tax expense	(208)	2,203	1,598	381	3,490	4,743	4,087	3,442	3,974	15,762	19,992
Net income	$ 2,730	$ 9,138	$ 7,594	$ 1,397	$ 16,002	$ 18,317	$ 12,621	$ 13,895	$ 20,859	$ 60,835	$ 69,486
Per common share information
Earnings - basic (in dollars per share)	$ 0.17	$ 0.58	$ 0.48	$ 0.09	$ 1.02	$ 1.17	$ 0.81	$ 0.89	$ 1.33	$ 3.89	$ 4.38
Earnings - diluted (in dollars per share)	$ 0.17	$ 0.58	$ 0.48	$ 0.09	$ 1.02	$ 1.17	$ 0.80	$ 0.88	$ 1.33	$ 3.87	$ 4.37