Allowance for Credit Losses - Segregated by Class of Loan (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 16,599	$ 12,919	$ 16,128	$ 12,910
Charge-Offs	(170)	(167)	(446)	(275)
Recoveries	207	111	246	178
Provision for credit losses on loans	430	1,100	1,191	1,150
Ending balance	17,066	13,963	17,066	13,963
Period end amount allocated to
Individually evaluated for impairment					$ 44
Collectively evaluated for impairment					16,051
Purchase credit impaired					44
Allowance for credit loss	17,066	13,963	17,066	13,963	16,128
Loans
Individually evaluated for impairment					4,330
Collectively evaluated for impairment					1,731,978
Purchase credit impaired					5,128
Ending Balance	1,838,842		1,838,842		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	10,464	8,694	10,845	8,818
Charge-Offs	0	0	0	(58)
Recoveries	16	72	33	85
Provision for credit losses on loans	534	314	618	235
Ending balance	11,014	9,080	11,014	9,080
Period end amount allocated to
Allowance for credit loss	11,014	9,080	11,014	9,080	10,845
Loans
Ending Balance	1,228,932		1,228,932		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	2,342	1,339	1,959	1,127
Charge-Offs	0	0	0	0
Recoveries	5	5	8	11
Provision for credit losses on loans	(66)	(292)	166	(86)
Ending balance	2,281	1,052	2,281	1,052
Period end amount allocated to
Allowance for credit loss	2,281	1,052	2,281	1,052	1,959
Loans
Ending Balance	249,423		249,423		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	8,122	7,355	8,886	7,691
Charge-Offs	0	0	0	(58)
Recoveries	11	67	25	74
Provision for credit losses on loans	600	606	452	321
Ending balance	8,733	8,028	8,733	8,028
Period end amount allocated to
Allowance for credit loss	8,733	8,028	8,733	8,028	8,886
Loans
Ending Balance	979,509		979,509		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	4,112	1,811	2,354	1,805
Charge-Offs	0	(30)	0	(48)
Recoveries	26	18	37	22
Provision for credit losses on loans	(1,496)	(311)	(802)	(291)
Ending balance	2,642	1,488	2,642	1,488
Period end amount allocated to
Individually evaluated for impairment					0
Collectively evaluated for impairment					2,354
Purchase credit impaired					0
Allowance for credit loss	2,642	1,488	2,642	1,488	2,354
Loans
Individually evaluated for impairment					62
Collectively evaluated for impairment					289,992
Purchase credit impaired					62
Ending Balance	325,407		325,407		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	1,657	2,087	2,709	1,083
Charge-Offs	(170)	(132)	(443)	(148)
Recoveries	160	12	167	56
Provision for credit losses on loans	1,337	(289)	1,241	687
Ending balance	2,984	1,678	2,984	1,678
Period end amount allocated to
Individually evaluated for impairment					0
Collectively evaluated for impairment					2,709
Purchase credit impaired					0
Allowance for credit loss	2,984	1,678	2,984	1,678	2,709
Loans
Individually evaluated for impairment					0
Collectively evaluated for impairment					223,923
Purchase credit impaired					0
Ending Balance	243,458		243,458		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	366	327	220	1,204
Charge-Offs	0	(5)	(3)	(21)
Recoveries	5	9	9	15
Provision for credit losses on loans	55	1,386	134	519
Ending balance	426	1,717	426	1,717
Period end amount allocated to
Individually evaluated for impairment					0
Collectively evaluated for impairment					220
Purchase credit impaired					0
Allowance for credit loss	426	$ 1,717	426	$ 1,717	220
Loans
Individually evaluated for impairment					0
Collectively evaluated for impairment					18,247
Purchase credit impaired					0
Ending Balance	$ 41,045		41,045		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