Allowance for Credit Losses - Segregated by Class of Loan (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Jan. 01, 2023	Dec. 31, 2022
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 16,128	$ 12,910
Adoption of ASU 2016-13			$ (53)
Charge-Offs	(276)	(108)
Recoveries	39	67
Provision for credit losses on loans	761	50
Ending balance	16,599	12,919
Period end amount allocated to
Individually evaluated for impairment				$ 44
Collectively evaluated for impairment				16,051
Purchase credit impaired				44
Allowance for credit loss	16,599	12,919		16,128
Loans
Individually evaluated for impairment				4,330
Collectively evaluated for impairment				1,731,978
Purchase credit impaired				5,128
Ending Balance	1,799,853			1,737,106
Purchase credit impaired
Period end amount allocated to
Purchase credit impaired				33
Loans
Purchase credit impaired				798
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
Construction, land & land development | Purchase credit impaired
Period end amount allocated to
Purchase credit impaired				0
Loans
Purchase credit impaired				0
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
Other commercial real estate | Purchase credit impaired
Period end amount allocated to
Purchase credit impaired				33
Loans
Purchase credit impaired				798
Commercial real estate
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	10,845	8,818
Adoption of ASU 2016-13			(482)
Charge-Offs	0	(58)
Recoveries	17	13
Provision for credit losses on loans	84	(79)
Ending balance	10,464	8,694
Period end amount allocated to
Allowance for credit loss	10,464	8,694		10,845
Loans
Ending Balance	1,235,347			1,204,882
Commercial real estate | Construction, land & land development
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	1,959	1,127
Adoption of ASU 2016-13			148
Charge-Offs	0	0
Recoveries	3	6
Provision for credit losses on loans	232	206
Ending balance	2,342	1,339
Period end amount allocated to
Allowance for credit loss	2,342	1,339		1,959
Loans
Ending Balance	249,720			229,435
Commercial real estate | Other commercial real estate
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	8,886	7,691
Adoption of ASU 2016-13			(630)
Charge-Offs	0	(58)
Recoveries	14	7
Provision for credit losses on loans	(148)	(285)
Ending balance	8,122	7,355
Period end amount allocated to
Allowance for credit loss	8,122	7,355		8,886
Loans
Ending Balance	985,627			975,447
Residential real estate
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	2,354	1,805
Adoption of ASU 2016-13			1,053
Charge-Offs	0	(18)
Recoveries	11	4
Provision for credit losses on loans	694	20
Ending balance	4,112	1,811
Period end amount allocated to
Individually evaluated for impairment				0
Collectively evaluated for impairment				2,354
Purchase credit impaired				0
Allowance for credit loss	4,112	1,811		2,354
Loans
Individually evaluated for impairment				62
Collectively evaluated for impairment				289,992
Purchase credit impaired				62
Ending Balance	316,415			290,054
Residential real estate | Purchase credit impaired
Period end amount allocated to
Purchase credit impaired				0
Loans
Purchase credit impaired				0
Commercial, financial, & agricultural
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	2,709	1,083
Adoption of ASU 2016-13			(690)
Charge-Offs	(273)	(16)
Recoveries	7	44
Provision for credit losses on loans	(96)	976
Ending balance	1,657	2,087
Period end amount allocated to
Individually evaluated for impairment				0
Collectively evaluated for impairment				2,709
Purchase credit impaired				0
Allowance for credit loss	1,657	2,087		2,709
Loans
Individually evaluated for impairment				0
Collectively evaluated for impairment				223,923
Purchase credit impaired				0
Ending Balance	225,269			223,923
Commercial, financial, & agricultural | Purchase credit impaired
Period end amount allocated to
Purchase credit impaired				0
Loans
Purchase credit impaired				0
Consumer and other
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	220	1,204
Adoption of ASU 2016-13			$ 66
Charge-Offs	(3)	(16)
Recoveries	4	6
Provision for credit losses on loans	79	(867)
Ending balance	366	327
Period end amount allocated to
Individually evaluated for impairment				0
Collectively evaluated for impairment				220
Purchase credit impaired				0
Allowance for credit loss	366	$ 327		220
Loans
Individually evaluated for impairment				0
Collectively evaluated for impairment				18,247
Purchase credit impaired				0
Ending Balance	$ 22,822			18,247
Consumer and other | Purchase credit impaired
Period end amount allocated to
Purchase credit impaired				0
Loans
Purchase credit impaired				$ 0