Allowance for Loan Losses - Segregated by Class of Loan (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 12,919	$ 12,693	$ 12,910	$ 12,127
Charge-offs	167	68	275	94
Recoveries	111	246	178	338
Provision	1,100	0	1,150	500
Ending balance	13,963	12,871	13,963	12,871
Period end amount allocated to
Individually evaluated for impairment	536		536		$ 256
Collectively evaluated for impairment	13,427		13,427		12,534
Purchase credit impaired	536		536		256
Ending Balance	13,963	12,871	13,963	12,871	12,910
Loans
Individually evaluated for impairment	10,027		10,027		8,759
Collectively evaluated for impairment	1,441,231		1,441,231		1,327,229
Purchase credit impaired	11,570		11,570		10,748
Loans	1,452,805		1,452,805		1,337,977
Purchase credit impaired
Period end amount allocated to
Purchase credit impaired	0		0		120
Loans
Purchase credit impaired	1,547		1,547		1,989
Residential real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,811	2,411	1,805	2,278
Charge-offs	30	0	48	0
Recoveries	18	44	22	110
Provision	(311)	(182)	(291)	(115)
Ending balance	1,488	2,273	1,488	2,273
Period end amount allocated to
Individually evaluated for impairment	57		57		108
Collectively evaluated for impairment	1,431		1,431		1,691
Purchase credit impaired	57		57		108
Ending Balance	1,488	2,273	1,488	2,273	1,805
Loans
Individually evaluated for impairment	1,115		1,115		1,770
Collectively evaluated for impairment	215,025		215,025		210,757
Purchase credit impaired	1,165		1,165		1,770
Loans	216,189		216,189		212,527
Residential real estate | Purchase credit impaired
Period end amount allocated to
Purchase credit impaired	0		0		6
Loans
Purchase credit impaired	49		49		0
Commercial, financial & agricultural
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	2,087	1,666	1,083	1,713
Charge-offs	132	0	148	15
Recoveries	12	15	56	18
Provision	(289)	92	687	57
Ending balance	1,678	1,773	1,678	1,773
Period end amount allocated to
Individually evaluated for impairment	350		350		0
Collectively evaluated for impairment	1,328		1,328		1,083
Purchase credit impaired	350		350		0
Ending Balance	1,678	1,773	1,678	1,773	1,083
Loans
Individually evaluated for impairment	1,240		1,240		75
Collectively evaluated for impairment	183,558		183,558		153,973
Purchase credit impaired	1,236		1,236		75
Loans	184,798		184,798		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	327	435	1,204	243
Charge-offs	5	32	21	43
Recoveries	9	22	15	30
Provision	1,386	(2)	519	193
Ending balance	1,717	423	1,717	423
Period end amount allocated to
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	1,717		1,717		1,108
Purchase credit impaired	0		0		0
Ending Balance	1,717	423	1,717	423	1,204
Loans
Individually evaluated for impairment	2		2		0
Collectively evaluated for impairment	18,321		18,321		18,491
Purchase credit impaired	70		70		73
Loans	18,392		18,392		18,564
Consumer and other | Purchase credit impaired
Period end amount allocated to
Purchase credit impaired	0		0		96
Loans
Purchase credit impaired	69		69		73
Construction, land and land development
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,339	1,053	1,127	1,013
Charge-offs	0	0	0	0
Recoveries	5	70	11	85
Provision	(292)	2	(86)	27
Ending balance	1,052	1,125	1,052	1,125
Period end amount allocated to
Individually evaluated for impairment	0		0		0
Collectively evaluated for impairment	1,052		1,052		1,127
Purchase credit impaired	0		0		0
Ending Balance	1,052	1,125	1,052	1,125	1,127
Loans
Individually evaluated for impairment	0		0		62
Collectively evaluated for impairment	187,045		187,045		165,384
Purchase credit impaired	0		0		62
Loans	187,045		187,045		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	7,355	7,128	7,691	6,880
Charge-offs	0	36	58	36
Recoveries	67	95	74	95
Provision	606	90	321	338
Ending balance	8,028	7,277	8,028	7,277
Period end amount allocated to
Individually evaluated for impairment	129		129		148
Collectively evaluated for impairment	7,899		7,899		7,525
Purchase credit impaired	129		129		148
Ending Balance	8,028	$ 7,277	8,028	$ 7,277	7,691
Loans
Individually evaluated for impairment	7,670		7,670		6,852
Collectively evaluated for impairment	837,282		837,282		778,624
Purchase credit impaired	9,099		9,099		8,768
Loans	846,381		846,381		787,392
Other commercial real estate | Purchase credit impaired
Period end amount allocated to
Purchase credit impaired	0		0		18
Loans
Purchase credit impaired	$ 1,429		$ 1,429		$ 1,916