Loans - Loans Segregated by Class (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Loans and Leases Receivable Disclosure [Line Items]
Loans	$ 1,586,613	$ 1,337,977
Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,372,257	1,004,204
Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	214,356	333,773
Construction, land and land development
Loans and Leases Receivable Disclosure [Line Items]
Loans	235,654	165,446
Other commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	885,807	787,392
Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,121,461	952,838
Commercial real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	966,262	715,692
Commercial real estate | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	155,199	237,146
Commercial real estate | Construction, land and land development
Loans and Leases Receivable Disclosure [Line Items]
Loans	235,654	165,446
Commercial real estate | Construction, land and land development | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	215,731	119,953
Commercial real estate | Construction, land and land development | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	19,923	45,493
Commercial real estate | Other commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	885,807	787,392
Commercial real estate | Other commercial real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	750,531	595,739
Commercial real estate | Other commercial real estate | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	135,276	191,653
Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	241,251	212,527
Residential real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	198,377	159,469
Residential real estate | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	42,874	53,058
Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	206,585	154,048
Commercial, financial & agricultural | Paycheck Protection Program, CARES Act
Loans and Leases Receivable Disclosure [Line Items]
Loans	98	9,000
Commercial, financial & agricultural | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	191,362	113,040
Commercial, financial & agricultural | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	15,223	41,008
Consumer and other
Loans and Leases Receivable Disclosure [Line Items]
Loans	17,316	18,564
Consumer and other | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	16,256	16,003
Consumer and other | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	$ 1,060	$ 2,561