Loans - Age Analysis of Past Due Loans and Nonaccrual Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Loans	$ 1,452,805	$ 1,337,977
Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	1,224,145	1,004,204
Nonaccrual Loans	3,258	3,952
Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	228,660	333,773
Nonaccrual Loans	1,688	1,497
30-89 Days Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	922	938
30-89 Days Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	65	3,629
90 Days or More Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
90 Days or More Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Total Accruing Loans Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	922	938
Total Accruing Loans Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	65	3,629
Current Loans | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	1,219,965	999,314
Current Loans | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	226,907	328,647
Construction, land and land development
Financing Receivable, Past Due [Line Items]
Loans	187,045	165,446
Other commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	846,381	787,392
Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	1,033,426	952,838
Commercial real estate | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	868,975	715,692
Nonaccrual Loans	752	577
Commercial real estate | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	164,451	237,146
Nonaccrual Loans	121	291
Commercial real estate | 30-89 Days Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	380	355
Commercial real estate | 30-89 Days Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	2,680
Commercial real estate | 90 Days or More Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | 90 Days or More Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | Total Accruing Loans Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	380	355
Commercial real estate | Total Accruing Loans Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	2,680
Commercial real estate | Current Loans | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	867,843	714,760
Commercial real estate | Current Loans | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	164,330	234,175
Commercial real estate | Construction, land and land development
Financing Receivable, Past Due [Line Items]
Loans	187,045	165,446
Commercial real estate | Construction, land and land development | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	169,791	119,953
Nonaccrual Loans	68	0
Commercial real estate | Construction, land and land development | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	17,254	45,493
Nonaccrual Loans	0	31
Commercial real estate | Construction, land and land development | 30-89 Days Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	39	6
Commercial real estate | Construction, land and land development | 30-89 Days Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	2,680
Commercial real estate | Construction, land and land development | 90 Days or More Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | Construction, land and land development | 90 Days or More Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | Construction, land and land development | Total Accruing Loans Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	39	6
Commercial real estate | Construction, land and land development | Total Accruing Loans Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	2,680
Commercial real estate | Construction, land and land development | Current Loans | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	169,684	119,947
Commercial real estate | Construction, land and land development | Current Loans | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	17,254	42,782
Commercial real estate | Other commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	846,381	787,392
Commercial real estate | Other commercial real estate | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	699,184	595,739
Nonaccrual Loans	684	577
Commercial real estate | Other commercial real estate | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	147,197	191,653
Nonaccrual Loans	121	260
Commercial real estate | Other commercial real estate | 30-89 Days Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	341	349
Commercial real estate | Other commercial real estate | 30-89 Days Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | Other commercial real estate | 90 Days or More Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | Other commercial real estate | 90 Days or More Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | Other commercial real estate | Total Accruing Loans Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	341	349
Commercial real estate | Other commercial real estate | Total Accruing Loans Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | Other commercial real estate | Current Loans | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	698,159	594,813
Commercial real estate | Other commercial real estate | Current Loans | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	147,076	191,393
Residential real estate
Financing Receivable, Past Due [Line Items]
Loans	216,189	212,527
Residential real estate | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	170,590	159,469
Nonaccrual Loans	1,518	2,641
Residential real estate | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	45,599	53,058
Nonaccrual Loans	849	1,198
Residential real estate | 30-89 Days Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	390	421
Residential real estate | 30-89 Days Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	65	560
Residential real estate | 90 Days or More Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate | 90 Days or More Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate | Total Accruing Loans Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	390	421
Residential real estate | Total Accruing Loans Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	65	560
Residential real estate | Current Loans | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	168,682	156,407
Residential real estate | Current Loans | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	44,685	51,300
Commercial, financial & agricultural
Financing Receivable, Past Due [Line Items]
Loans	184,798	154,048
Commercial, financial & agricultural | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	167,710	113,040
Nonaccrual Loans	972	708
Commercial, financial & agricultural | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	17,088	41,008
Nonaccrual Loans	565	0
Commercial, financial & agricultural | 30-89 Days Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	141	69
Commercial, financial & agricultural | 30-89 Days Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	389
Commercial, financial & agricultural | 90 Days or More Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial, financial & agricultural | 90 Days or More Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial, financial & agricultural | Total Accruing Loans Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	141	69
Commercial, financial & agricultural | Total Accruing Loans Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	389
Commercial, financial & agricultural | Current Loans | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	166,597	112,263
Commercial, financial & agricultural | Current Loans | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	16,523	40,619
Consumer and other
Financing Receivable, Past Due [Line Items]
Loans	18,392	18,564
Consumer and other | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	16,870	16,003
Nonaccrual Loans	16	26
Consumer and other | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	1,522	2,561
Nonaccrual Loans	153	8
Consumer and other | 30-89 Days Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	11	93
Consumer and other | 30-89 Days Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer and other | 90 Days or More Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer and other | 90 Days or More Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer and other | Total Accruing Loans Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	11	93
Consumer and other | Total Accruing Loans Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer and other | Current Loans | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	16,843	15,884
Consumer and other | Current Loans | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	$ 1,369	$ 2,553