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Loans - Loans Segregated by Class (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | $ 1,309,860 | $ 1,059,503
Legacy Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 950,696 | 974,573
Purchased Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 359,164 | 84,930
Construction, land and land development |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 152,991 | 121,093
Other commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 752,633 | 520,391
Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 905,624 | 641,484
Commercial real estate | Legacy Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 645,316 | 587,022
Commercial real estate | Purchased Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 260,308 | 54,462
Commercial real estate | Construction, land and land development |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 152,991 | 121,093
Commercial real estate | Construction, land and land development | Legacy Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 101,433 | 109,577
Commercial real estate | Construction, land and land development | Purchased Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 51,558 | 11,516
Commercial real estate | Other commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 752,633 | 520,391
Commercial real estate | Other commercial real estate | Legacy Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 543,883 | 477,445
Commercial real estate | Other commercial real estate | Purchased Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 208,750 | 42,946
Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 218,224 | 183,021
Residential real estate | Legacy Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 163,750 | 167,714
Residential real estate | Purchased Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 54,474 | 15,307
Commercial, financial & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 166,228 | 213,380
Commercial, financial & agricultural | Paycheck Protection Program, CARES Act |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 17,000 | 101,100
Commercial, financial & agricultural | Legacy Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 125,213 | 200,800
Commercial, financial & agricultural | Purchased Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 41,015 | 12,580
Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 19,784 | 21,618
Consumer and other | Legacy Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 16,417 | 19,037
Consumer and other | Purchased Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | $ 3,367 | $ 2,581

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