Condensed Consolidated Statements of Income and Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest income:
Interest and fees on loans, including loans held for sale	$ 60,156	$ 43,524	$ 167,925	$ 120,925
Interest and dividends on securities
Taxable	6,831	5,830	20,400	15,158
Tax exempt	665	740	2,016	2,264
Interest and dividends on Federal Reserve Bank and Federal Home Loan Bank stock	168	175	514	423
Interest on Federal Reserve Bank deposits	1,616	1,105	4,255	1,460
Other, including interest on federal funds sold	63	31	211	54
Total interest income	69,499	51,405	195,321	140,284
Interest expense:
Interest on deposits	21,733	6,648	54,586	13,449
Interest on repurchase agreements and federal funds purchased	2,524	666	6,330	1,256
Interest on advances from Federal Home Loan Bank	954	0	1,004	1
Interest on long-term debt	1,148	555	3,266	1,220
Total interest expense	26,359	7,869	65,186	15,926
Net interest income	43,140	43,536	130,135	124,358
Provision for credit losses	1,871	2,414	4,996	3,366
Net interest income after provision for credit losses	41,269	41,122	125,139	120,992
Noninterest income:
Deposit related fees	7,823	7,629	22,623	21,638
Gains on sales of loans, net	105	235	341	1,351
Trust and wealth management income	3,277	2,989	9,707	9,435
Loan related fees	1,283	1,589	3,325	5,066
Bank owned life insurance	1,108	743	2,701	2,136
Brokerage revenue	452	453	1,188	1,502
Securities gains (losses)	355	(159)	738	(285)
Other noninterest income	1,093	1,200	3,311	3,302
Total noninterest income	15,496	14,679	43,934	44,145
Noninterest expense:
Officer salaries and employee benefits	3,725	4,114	11,451	12,235
Other salaries and employee benefits	14,328	14,432	43,815	42,383
Occupancy, net	2,154	2,259	6,637	6,624
Equipment	721	638	2,161	1,883
Data processing	2,410	2,270	7,096	6,566
Bank franchise tax	406	413	1,244	1,244
Legal fees	234	240	883	889
Professional fees	488	512	1,567	1,614
Advertising and marketing	767	768	2,291	2,179
FDIC insurance	612	360	1,828	1,073
Other real estate owned provision and expense	165	42	345	438
Repossession expense	109	104	438	335
Amortization of limited partnership investments	714	687	1,909	2,167
Other noninterest expense	4,014	4,636	12,097	11,182
Total noninterest expense	30,847	31,475	93,762	90,812
Income before income taxes	25,918	24,326	75,311	74,325
Income taxes	5,290	4,954	15,966	14,954
Net income	20,628	19,372	59,345	59,371
Unrealized holding losses on debt securities available-for-sale:
Unrealized holding losses arising during the period	(26,766)	(56,091)	(13,878)	(181,877)
Less: Reclassification adjustments for realized gains (losses) included in net income	0	0	4	(1)
Tax benefit	(6,679)	(14,584)	(1,633)	(47,288)
Other comprehensive loss, net of tax	(20,087)	(41,507)	(12,249)	(134,588)
Comprehensive income (loss)	$ 541	$ (22,135)	$ 47,096	$ (75,217)
Basic earnings per share (in dollars per share)	$ 1.15	$ 1.09	$ 3.32	$ 3.33
Diluted earnings per share (in dollars per share)	$ 1.15	$ 1.08	$ 3.32	$ 3.33
Weighted average shares outstanding-basic (in shares)	17,893	17,841	17,882	17,832
Weighted average shares outstanding-diluted (in shares)	17,904	17,857	17,892	17,844