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Loans - Age Analysis of Past Due Loans and Nonaccrual Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Loans | $ 1,309,860 | $ 1,059,503
Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 950,696 | 974,573
Nonaccrual Loans | 8,817 | 6,610
Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 359,164 | 84,930
Nonaccrual Loans | 3,429 | 2,518
30-89 Days Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 899 | 2,408
30-89 Days Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,878 | 684
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 | 899 | 2,408
Total Accruing Loans Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,878 | 684
Current Loans | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 940,980 | 965,555
Current Loans | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 352,857 | 81,728
Construction, land and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 152,991 | 121,093
Other commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 752,633 | 520,391
Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 905,624 | 641,484
Commercial real estate | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 645,316 | 587,022
Nonaccrual Loans | 4,476 | 2,625
Commercial real estate | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 260,308 | 54,462
Nonaccrual Loans | 1,358 | 2,185
Commercial real estate | 30-89 Days Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 118 | 1,543
Commercial real estate | 30-89 Days Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,688 | 544
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 | 118 | 1,543
Commercial real estate | Total Accruing Loans Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,688 | 544
Commercial real estate | Current Loans | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 640,722 | 582,854
Commercial real estate | Current Loans | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 256,262 | 51,733
Commercial real estate | Construction, land and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 152,991 | 121,093
Commercial real estate | Construction, land and land development | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 101,433 | 109,577
Nonaccrual Loans | 46 | 80
Commercial real estate | Construction, land and land development | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 51,558 | 11,516
Nonaccrual Loans | 8 | 117
Commercial real estate | Construction, land and land development | 30-89 Days Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 59 | 1,314
Commercial real estate | Construction, land and land development | 30-89 Days Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,688 | 0
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 | 59 | 1,314
Commercial real estate | Construction, land and land development | Total Accruing Loans Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,688 | 0
Commercial real estate | Construction, land and land development | Current Loans | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 101,328 | 108,183
Commercial real estate | Construction, land and land development | Current Loans | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 48,862 | 11,399
Commercial real estate | Other commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 752,633 | 520,391
Commercial real estate | Other commercial real estate | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 543,883 | 477,445
Nonaccrual Loans | 4,430 | 2,545
Commercial real estate | Other commercial real estate | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 208,750 | 42,946
Nonaccrual Loans | 1,350 | 2,068
Commercial real estate | Other commercial real estate | 30-89 Days Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 59 | 229
Commercial real estate | Other commercial real estate | 30-89 Days Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 544
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 | 59 | 229
Commercial real estate | Other commercial real estate | Total Accruing Loans Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 0 | 544
Commercial real estate | Other commercial real estate | Current Loans | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 539,394 | 474,671
Commercial real estate | Other commercial real estate | Current Loans | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 207,400 | 40,334
Residential real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 218,224 | 183,021
Residential real estate | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 163,750 | 167,714
Nonaccrual Loans | 3,582 | 2,873
Residential real estate | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 54,474 | 15,307
Nonaccrual Loans | 1,790 | 85
Residential real estate | 30-89 Days Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 579 | 667
Residential real estate | 30-89 Days Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 76 | 15
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 | 579 | 667
Residential real estate | Total Accruing Loans Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 76 | 15
Residential real estate | Current Loans | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 159,589 | 164,174
Residential real estate | Current Loans | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 52,608 | 15,207
Commercial, financial & agricultural |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 166,228 | 213,380
Commercial, financial & agricultural | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 125,213 | 200,800
Nonaccrual Loans | 675 | 1,010
Commercial, financial & agricultural | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 41,015 | 12,580
Nonaccrual Loans | 47 | 55
Commercial, financial & agricultural | 30-89 Days Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 132 | 150
Commercial, financial & agricultural | 30-89 Days Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 97 | 125
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 | 132 | 150
Commercial, financial & agricultural | Total Accruing Loans Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 97 | 125
Commercial, financial & agricultural | Current Loans | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 124,406 | 199,640
Commercial, financial & agricultural | Current Loans | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 40,871 | 12,400
Consumer and other |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 19,784 | 21,618
Consumer and other | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 16,417 | 19,037
Nonaccrual Loans | 84 | 102
Consumer and other | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 3,367 | 2,581
Nonaccrual Loans | 234 | 193
Consumer and other | 30-89 Days Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 70 | 48
Consumer and other | 30-89 Days Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 17 | 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 | 70 | 48
Consumer and other | Total Accruing Loans Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 17 | 0
Consumer and other | Current Loans | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 16,263 | 18,887
Consumer and other | Current Loans | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | $ 3,116 | $ 2,388

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