Allowance for Credit Losses - Segregated by Class of Loan (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 17,066	$ 13,963	$ 16,128	$ 12,910
Charge-Offs	(728)	(151)	(1,174)	(426)
Recoveries	30	50	276	228
Provision for credit losses on loans	1,000	1,320	2,191	2,470
Ending balance	17,368	15,182	17,368	15,182
Period end amount allocated to
Individually evaluated for impairment					$ 44
Collectively evaluated for impairment					16,051
Purchase credit impaired					44
Allowance for credit loss	17,368	15,182	17,368	15,182	16,128
Loans
Individually evaluated for impairment					4,330
Collectively evaluated for impairment					1,731,978
Purchase credit impaired					5,128
Ending Balance	1,864,971		1,864,971		1,737,106
Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance			(53)
Period end amount allocated to
Allowance for credit loss					(53)
Construction, land & land development
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance			1,959
Period end amount allocated to
Individually evaluated for impairment					44
Collectively evaluated for impairment					1,915
Purchase credit impaired					44
Allowance for credit loss					1,959
Loans
Individually evaluated for impairment					514
Collectively evaluated for impairment					228,921
Purchase credit impaired					514
Ending Balance					229,435
Other commercial real estate
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance			8,886
Period end amount allocated to
Individually evaluated for impairment					0
Collectively evaluated for impairment					8,853
Purchase credit impaired					0
Allowance for credit loss					8,886
Loans
Individually evaluated for impairment					3,754
Collectively evaluated for impairment					970,895
Purchase credit impaired					4,552
Ending Balance					975,447
Commercial real estate
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	11,014	9,080	10,845	8,818
Charge-Offs	0	0	0	(58)
Recoveries	9	10	42	95
Provision for credit losses on loans	(88)	1,218	530	1,453
Ending balance	10,935	10,308	10,935	10,308
Period end amount allocated to
Allowance for credit loss	10,935	10,308	10,935	10,308	10,845
Loans
Ending Balance	1,214,436		1,214,436		1,204,882
Commercial real estate | Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance			(482)
Period end amount allocated to
Allowance for credit loss					(482)
Commercial real estate | Construction, land & land development
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	2,281	1,052	1,959	1,127
Charge-Offs	0	0	0	0
Recoveries	1	5	9	16
Provision for credit losses on loans	(67)	873	99	787
Ending balance	2,215	1,930	2,215	1,930
Period end amount allocated to
Allowance for credit loss	2,215	1,930	2,215	1,930	1,959
Loans
Ending Balance	245,268		245,268		229,435
Commercial real estate | Construction, land & land development | Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance			148
Period end amount allocated to
Allowance for credit loss					148
Commercial real estate | Other commercial real estate
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	8,733	8,028	8,886	7,691
Charge-Offs	0	0	0	(58)
Recoveries	8	5	33	79
Provision for credit losses on loans	(21)	345	431	666
Ending balance	8,720	8,378	8,720	8,378
Period end amount allocated to
Allowance for credit loss	8,720	8,378	8,720	8,378	8,886
Loans
Ending Balance	969,168		969,168		975,447
Commercial real estate | Other commercial real estate | Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance			(630)
Period end amount allocated to
Allowance for credit loss					(630)
Residential real estate
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	2,642	1,488	2,354	1,805
Charge-Offs	0	0	0	(48)
Recoveries	3	23	40	45
Provision for credit losses on loans	128	424	(674)	133
Ending balance	2,773	1,935	2,773	1,935
Period end amount allocated to
Individually evaluated for impairment					0
Collectively evaluated for impairment					2,354
Purchase credit impaired					0
Allowance for credit loss	2,773	1,935	2,773	1,935	2,354
Loans
Individually evaluated for impairment					62
Collectively evaluated for impairment					289,992
Purchase credit impaired					62
Ending Balance	339,501		339,501		290,054
Residential real estate | Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance			1,053
Period end amount allocated to
Allowance for credit loss					1,053
Commercial, financial & agricultural
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	2,984	1,678	2,709	1,083
Charge-Offs	(714)	(118)	(1,157)	(266)
Recoveries	13	7	180	63
Provision for credit losses on loans	737	1,163	1,978	1,850
Ending balance	3,020	2,730	3,020	2,730
Period end amount allocated to
Individually evaluated for impairment					0
Collectively evaluated for impairment					2,709
Purchase credit impaired					0
Allowance for credit loss	3,020	2,730	3,020	2,730	2,709
Loans
Individually evaluated for impairment					0
Collectively evaluated for impairment					223,923
Purchase credit impaired					0
Ending Balance	252,725		252,725		223,923
Commercial, financial & agricultural | Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance			(690)
Period end amount allocated to
Allowance for credit loss					(690)
Consumer and other
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	426	1,717	220	1,204
Charge-Offs	(14)	(33)	(17)	(54)
Recoveries	5	10	14	25
Provision for credit losses on loans	223	(1,485)	357	(966)
Ending balance	640	209	640	209
Period end amount allocated to
Individually evaluated for impairment					0
Collectively evaluated for impairment					220
Purchase credit impaired					0
Allowance for credit loss	640	$ 209	640	$ 209	220
Loans
Individually evaluated for impairment					0
Collectively evaluated for impairment					18,247
Purchase credit impaired					0
Ending Balance	$ 58,309		58,309		18,247
Consumer and other | Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance			$ 66
Period end amount allocated to
Allowance for credit loss					$ 66