Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Interest income:
Interest and fees on loans	$ 104,570	$ 102,832	$ 110,447
Interest on securities -- taxable	5,271	700	1,004
Interest on securities -- tax-exempt	715	1,037	1,785
Interest on deposits in banks	3,763	741	800
Total interest income	114,319	105,310	114,036
Interest expense:
Interest on deposits	1,654	2,835	5,460
Interest on short-term borrowings	2	1	4
Total interest expense	1,656	2,836	5,464
Net interest income	112,663	102,474	108,572
Provision for (recovery of) credit/loan losses	6,572	(8,471)	12,668
Net interest income after provision for loan losses	106,091	110,945	95,904
Noninterest income:
Net gain on sale of securities	0	0	385
Gain on divestitures	1,658	0	0
Other operating income	5,148	4,580	2,679
Total noninterest income	37,182	34,301	29,833
Noninterest expense:
Salaries and employee benefits	47,183	44,239	44,005
Occupancy expense	4,818	4,913	5,043
Furniture and equipment expense	6,001	5,627	5,558
Service fees	7,606	6,324	5,665
Advertising and public relations	2,409	2,076	1,951
Professional fees	1,303	1,524	1,224
Amortization of intangibles	1,446	1,446	1,450
FDIC premiums and assessments	1,126	832	426
Merger expense	596	0	1,893
Divestiture expense	153	0	0
Other operating expense	10,475	11,737	12,410
Total noninterest expense	83,116	78,718	79,625
Income before income taxes	60,157	66,528	46,112
Income tax expense	13,495	15,360	10,186
Net income	$ 46,662	$ 51,168	$ 35,926
Earnings per common share
Basic (in dollars per share)	$ 2.82	$ 2.95	$ 2.02
Diluted (in dollars per share)	2.82	2.94	2.02
Cash dividends per common share (in dollars per share)	$ 1.12	$ 1.04	$ 1.00
Weighted average shares outstanding
Basic (in shares)	16,519,848	17,335,615	17,781,748
Diluted (in shares)	16,562,257	17,402,936	17,815,380
Fiduciary and Trust [Member]
Noninterest income:
Noninterest income	$ 3,855	$ 3,853	$ 3,417
Deposit Account [Member]
Noninterest income:
Noninterest income	14,213	13,446	13,019
Financial Service, Other [Member]
Noninterest income:
Noninterest income	$ 12,308	$ 12,422	$ 10,333