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Loans - Loan Portfolio by Credit Quality Indicators (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | $ 1,309,860 | $ 1,059,503
Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 905,624 | 641,484
Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 218,224 | 183,021
Commercial, financial & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 166,228 | 213,380
Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 19,784 | 21,618
Construction, land and land development |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 152,991 | 121,093
Construction, land and land development | Commercial real estate |  |
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
Other commercial real estate | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 752,633 | 520,391
Legacy Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 950,696 | 974,573
Legacy Loans | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 645,316 | 587,022
Legacy Loans | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 163,750 | 167,714
Legacy Loans | Commercial, financial & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 125,213 | 200,800
Legacy Loans | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 16,417 | 19,037
Legacy Loans | Construction, land and land development | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 101,433 | 109,577
Legacy Loans | Other commercial real estate | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 543,883 | 477,445
Purchased Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 359,164 | 84,930
Purchased Loans | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 260,308 | 54,462
Purchased Loans | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 54,474 | 15,307
Purchased Loans | Commercial, financial & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 41,015 | 12,580
Purchased Loans | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 3,367 | 2,581
Purchased Loans | Construction, land and land development | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 51,558 | 11,516
Purchased Loans | Other commercial real estate | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 208,750 | 42,946
Pass | Legacy Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 896,591 | 903,355
Pass | Legacy Loans | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 603,570 | 529,945
Pass | Legacy Loans | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 153,983 | 157,927
Pass | Legacy Loans | Commercial, financial & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 122,991 | 196,749
Pass | Legacy Loans | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 16,047 | 18,734
Pass | Legacy Loans | Construction, land and land development | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 98,619 | 99,430
Pass | Legacy Loans | Other commercial real estate | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 504,951 | 430,515
Pass | Purchased Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 335,899 | 79,571
Pass | Purchased Loans | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 245,409 | 52,100
Pass | Purchased Loans | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 47,407 | 14,909
Pass | Purchased Loans | Commercial, financial & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 39,965 | 10,198
Pass | Purchased Loans | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 3,118 | 2,364
Pass | Purchased Loans | Construction, land and land development | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 50,713 | 11,275
Pass | Purchased Loans | Other commercial real estate | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 194,696 | 40,825
Special Mention | Legacy Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 29,221 | 43,368
Special Mention | Legacy Loans | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 24,185 | 36,519
Special Mention | Legacy Loans | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 3,560 | 3,855
Special Mention | Legacy Loans | Commercial, financial & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 1,332 | 2,870
Special Mention | Legacy Loans | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 144 | 124
Special Mention | Legacy Loans | Construction, land and land development | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 2,078 | 2,940
Special Mention | Legacy Loans | Other commercial real estate | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 22,107 | 33,579
Special Mention | Purchased Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 16,174 | 2,434
Special Mention | Purchased Loans | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 11,605 | 294
Special Mention | Purchased Loans | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 3,886 | 312
Special Mention | Purchased Loans | Commercial, financial & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 666 | 1,803
Special Mention | Purchased Loans | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 17 | 25
Special Mention | Purchased Loans | Construction, land and land development | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 803 | 241
Special Mention | Purchased Loans | Other commercial real estate | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 10,802 | 53
Substandard | Legacy Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 24,884 | 27,850
Substandard | Legacy Loans | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 17,561 | 20,558
Substandard | Legacy Loans | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 6,207 | 5,932
Substandard | Legacy Loans | Commercial, financial & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 890 | 1,181
Substandard | Legacy Loans | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 226 | 179
Substandard | Legacy Loans | Construction, land and land development | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 736 | 7,207
Substandard | Legacy Loans | Other commercial real estate | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 16,825 | 13,351
Substandard | Purchased Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 7,091 | 2,925
Substandard | Purchased Loans | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 3,294 | 2,068
Substandard | Purchased Loans | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 3,181 | 86
Substandard | Purchased Loans | Commercial, financial & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 384 | 579
Substandard | Purchased Loans | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 232 | 192
Substandard | Purchased Loans | Construction, land and land development | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 42 | 0
Substandard | Purchased Loans | Other commercial real estate | Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | $ 3,252 | $ 2,068

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