Condensed Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Interest income:
Interest and fees on loans, including loans held for sale	$ 70,805	$ 60,156	$ 202,785	$ 167,925
Interest and dividends on securities
Taxable	6,025	6,831	19,087	20,400
Tax exempt	623	665	1,935	2,016
Interest and dividends on Federal Reserve Bank and Federal Home Loan Bank stock	180	168	564	514
Interest on Federal Reserve Bank deposits	2,044	1,616	6,756	4,255
Other, including interest on federal funds sold	137	63	337	211
Total interest income	79,814	69,499	231,464	195,321
Interest expense:
Interest on deposits	28,800	21,733	83,620	54,586
Interest on repurchase agreements and federal funds purchased	2,681	2,524	7,897	6,330
Interest on advances from Federal Home Loan Bank	0	954	15	1,004
Interest on long-term debt	1,134	1,148	3,464	3,266
Total interest expense	32,615	26,359	94,996	65,186
Net interest income	47,199	43,140	136,468	130,135
Provision for credit losses	2,736	1,871	8,364	4,996
Net interest income after provision for credit losses	44,463	41,269	128,104	125,139
Noninterest income:
Deposit related fees	7,886	7,823	22,205	22,623
Gains on sales of loans, net	80	105	244	341
Trust and wealth management income	3,707	3,277	10,960	9,707
Loan related fees	813	1,283	3,485	3,325
Bank owned life insurance	1,214	1,108	4,321	2,701
Brokerage revenue	563	452	1,736	1,188
Securities gains	213	355	110	738
Other noninterest income	1,087	1,093	3,344	3,311
Total noninterest income	15,563	15,496	46,405	43,934
Noninterest expense:
Officer salaries and employee benefits	3,715	3,725	12,088	11,451
Other salaries and employee benefits	15,806	14,328	47,146	43,815
Occupancy, net	2,374	2,154	7,127	6,637
Equipment	698	721	2,062	2,161
Data processing	2,804	2,410	7,991	7,096
Bank franchise tax	422	406	1,270	1,244
Legal fees	304	234	819	883
Professional fees	720	488	2,015	1,567
Advertising and marketing	876	767	2,309	2,291
FDIC insurance	629	612	1,916	1,828
Repossession expense	256	109	779	438
Other noninterest expense	3,908	4,893	11,632	14,351
Total noninterest expense	32,512	30,847	97,154	93,762
Income before income taxes	27,514	25,918	77,355	75,311
Income taxes	5,372	5,290	17,035	15,966
Net income	22,142	20,628	60,320	59,345
Unrealized holding gains (losses) on debt securities available-for-sale:
Unrealized holding gains (losses) arising during the period	35,346	(26,766)	30,309	(13,878)
Less: Reclassification adjustments for realized gains included in net income	1	0	2	4
Tax expense (benefit)	8,820	(6,679)	7,562	(1,633)
Other comprehensive gain (loss), net of tax	26,525	(20,087)	22,745	(12,249)
Comprehensive income	$ 48,667	$ 541	$ 83,065	$ 47,096
Basic earnings per share (in dollars per share)	$ 1.23	$ 1.15	$ 3.36	$ 3.32
Diluted earnings per share (in dollars per share)	$ 1.23	$ 1.15	$ 3.36	$ 3.32
Weighted average shares outstanding-basic (in shares)	17,962	17,893	17,942	17,882
Weighted average shares outstanding-diluted (in shares)	17,991	17,904	17,965	17,892