Loans - Segregated by Class of Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Loans and Leases Receivable Disclosure [Line Items]
Loans	$ 1,022,618	$ 1,059,503
Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	965,864	974,573
Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	56,754	84,930
Construction, land and land development
Loans and Leases Receivable Disclosure [Line Items]
Loans	118,940	121,093
Other commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	545,883	520,391
Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	664,823	641,484
Commercial real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	627,068	587,022
Commercial real estate | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	37,755	54,462
Commercial real estate | Construction, land and land development
Loans and Leases Receivable Disclosure [Line Items]
Loans	118,940	121,093
Commercial real estate | Construction, land and land development | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	112,843	109,577
Commercial real estate | Construction, land and land development | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	6,097	11,516
Commercial real estate | Other commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	545,883	520,391
Commercial real estate | Other commercial real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	514,225	477,445
Commercial real estate | Other commercial real estate | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	31,658	42,946
Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	170,173	183,021
Residential real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	159,527	167,714
Residential real estate | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	10,646	15,307
Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	167,717	213,380
Commercial, financial & agricultural | Paycheck Protection Program, CARES Act
Loans and Leases Receivable Disclosure [Line Items]
Loans	58,800	101,100
Commercial, financial & agricultural | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	161,295	200,800
Commercial, financial & agricultural | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	6,422	12,580
Consumer and other
Loans and Leases Receivable Disclosure [Line Items]
Loans	19,905	21,618
Consumer and other | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	17,974	19,037
Consumer and other | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	$ 1,931	$ 2,581