Allowance for Loan Losses - Segregated by Class of Loan (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 13,963	$ 12,871	$ 12,910	$ 12,127
Charge-offs	(151)	(743)	(426)	(837)
Recoveries	50	599	228	937
Provision	1,320	150	2,470	650
Ending balance	15,182	12,877	15,182	12,877
Period end amount allocated to
Individually evaluated for impairment	504		504		$ 256
Collectively evaluated for impairment	14,661		14,661		12,534
Purchase credit impaired	504		504		256
Ending Balance	15,182	12,877	15,182	12,877	12,910
Loans
Individually evaluated for impairment	7,700		7,700		8,759
Collectively evaluated for impairment	1,578,101		1,578,101		1,327,229
Purchase credit impaired	8,567		8,567		10,748
Loans	1,586,613		1,586,613		1,337,977
Purchase credit impaired
Period end amount allocated to
Purchase credit impaired	17		17		120
Loans
Purchase credit impaired	812		812		1,989
Residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,488	2,273	1,805	2,278
Charge-offs	0	0	(48)	0
Recoveries	23	143	45	254
Provision	424	(126)	133	(242)
Ending balance	1,935	2,290	1,935	2,290
Period end amount allocated to
Individually evaluated for impairment	57		57		108
Collectively evaluated for impairment	1,878		1,878		1,691
Purchase credit impaired	57		57		108
Ending Balance	1,935	2,290	1,935	2,290	1,805
Loans
Individually evaluated for impairment	939		939		1,770
Collectively evaluated for impairment	240,312		240,312		210,757
Purchase credit impaired	990		990		1,770
Loans	241,251		241,251		212,527
Residential real estate | Purchase credit impaired
Period end amount allocated to
Purchase credit impaired	0		0		6
Loans
Purchase credit impaired	0		0		0
Commercial, financial & agricultural
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,678	1,773	1,083	1,713
Charge-offs	(118)	(209)	(266)	(225)
Recoveries	7	66	63	83
Provision	1,163	203	1,850	262
Ending balance	2,730	1,833	2,730	1,833
Period end amount allocated to
Individually evaluated for impairment	251		251		0
Collectively evaluated for impairment	2,479		2,479		1,083
Purchase credit impaired	251		251		0
Ending Balance	2,730	1,833	2,730	1,833	1,083
Loans
Individually evaluated for impairment	1,160		1,160		75
Collectively evaluated for impairment	205,425		205,425		153,973
Purchase credit impaired	1,164		1,164		75
Loans	206,585		206,585		154,048
Commercial, financial & agricultural | Purchase credit impaired
Period end amount allocated to
Purchase credit impaired	0		0		0
Loans
Purchase credit impaired	0		0		0
Consumer and other
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,717	423	1,204	243
Charge-offs	(33)	(3)	(54)	(44)
Recoveries	10	13	25	44
Provision	(1,485)	(28)	(966)	162
Ending balance	209	405	209	405
Period end amount allocated to
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	209		209		1,108
Purchase credit impaired	0		0		0
Ending Balance	209	405	209	405	1,204
Loans
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	17,316		17,316		18,491
Purchase credit impaired	0		0		73
Loans	17,316		17,316		18,564
Consumer and other | Purchase credit impaired
Period end amount allocated to
Purchase credit impaired	0		0		96
Loans
Purchase credit impaired	0		0		73
Construction, land and land development
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,052	1,125	1,127	1,013
Charge-offs	0	0	0	0
Recoveries	5	363	16	448
Provision	873	(439)	787	(412)
Ending balance	1,930	1,049	1,930	1,049
Period end amount allocated to
Individually evaluated for impairment	70		70		0
Collectively evaluated for impairment	1,860		1,860		1,127
Purchase credit impaired	70		70		0
Ending Balance	1,930	1,049	1,930	1,049	1,127
Loans
Individually evaluated for impairment	235		235		62
Collectively evaluated for impairment	235,419		235,419		165,384
Purchase credit impaired	235		235		62
Loans	235,654		235,654		165,446
Construction, land and land development | Purchase credit impaired
Period end amount allocated to
Purchase credit impaired	0		0		0
Loans
Purchase credit impaired	0		0		0
Other commercial real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	8,028	7,277	7,691	6,880
Charge-offs	0	(531)	(58)	(568)
Recoveries	5	14	79	108
Provision	345	540	666	880
Ending balance	8,378	7,300	8,378	7,300
Period end amount allocated to
Individually evaluated for impairment	126		126		148
Collectively evaluated for impairment	8,235		8,235		7,525
Purchase credit impaired	126		126		148
Ending Balance	8,378	$ 7,300	8,378	$ 7,300	7,691
Loans
Individually evaluated for impairment	5,366		5,366		6,852
Collectively evaluated for impairment	879,629		879,629		778,624
Purchase credit impaired	6,178		6,178		8,768
Loans	885,807		885,807		787,392
Other commercial real estate | Purchase credit impaired
Period end amount allocated to
Purchase credit impaired	17		17		18
Loans
Purchase credit impaired	$ 812		$ 812		$ 1,916