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Loans - Loan Portfolio by Credit Quality Indicator (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | $ 1,101,606 | $ 968,814
Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 638,283 | 636,336
Construction, land and land development |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 128,291 | 96,097
Construction, land and land development | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 128,291 | 96,097
Other commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 509,992 | 540,239
Other commercial real estate | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 509,992 | 540,239
Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 185,118 | 194,796
Commercial, financial, & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 254,915 | 114,360
Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 23,290 | 23,322
Legacy Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 1,005,172 | 847,100
Legacy Loans | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 574,262 | 564,979
Legacy Loans | Construction, land and land development | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 110,162 | 83,036
Legacy Loans | Other commercial real estate | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 464,100 | 481,943
Legacy Loans | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 168,139 | 171,341
Legacy Loans | Commercial, financial, & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 242,351 | 91,535
Legacy Loans | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 20,420 | 19,245
Purchased Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 96,434 | 121,714
Purchased Loans | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 64,021 | 71,357
Purchased Loans | Construction, land and land development | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 18,129 | 13,061
Purchased Loans | Other commercial real estate | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 45,892 | 58,296
Purchased Loans | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 16,979 | 23,455
Purchased Loans | Commercial, financial, & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 12,564 | 22,825
Purchased Loans | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 2,870 | 4,077
Pass | Legacy Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 938,307 | 806,021
Pass | Legacy Loans | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 521,770 | 541,386
Pass | Legacy Loans | Construction, land and land development | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 99,109 | 82,322
Pass | Legacy Loans | Other commercial real estate | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 422,661 | 459,064
Pass | Legacy Loans | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 157,809 | 159,194
Pass | Legacy Loans | Commercial, financial, & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 238,613 | 86,558
Pass | Legacy Loans | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 20,115 | 18,883
Pass | Purchased Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 89,930 | 117,494
Pass | Purchased Loans | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 59,940 | 70,877
Pass | Purchased Loans | Construction, land and land development | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 16,430 | 12,996
Pass | Purchased Loans | Other commercial real estate | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 43,510 | 57,881
Pass | Purchased Loans | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 16,585 | 23,097
Pass | Purchased Loans | Commercial, financial, & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 10,637 | 19,443
Pass | Purchased Loans | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 2,768 | 4,077
Special Mention | Legacy Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 47,334 | 20,636
Special Mention | Legacy Loans | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 41,171 | 13,883
Special Mention | Legacy Loans | Construction, land and land development | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 3,930 | 445
Special Mention | Legacy Loans | Other commercial real estate | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 37,241 | 13,438
Special Mention | Legacy Loans | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 3,720 | 4,632
Special Mention | Legacy Loans | Commercial, financial, & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 2,320 | 1,973
Special Mention | Legacy Loans | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 123 | 148
Special Mention | Purchased Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 4,216 | 3,579
Special Mention | Purchased Loans | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 1,992 | 381
Special Mention | Purchased Loans | Construction, land and land development | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 1,620 | 0
Special Mention | Purchased Loans | Other commercial real estate | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 372 | 381
Special Mention | Purchased Loans | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 316 | 249
Special Mention | Purchased Loans | Commercial, financial, & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 1,889 | 2,949
Special Mention | Purchased Loans | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 19 | 0
Substandard | Legacy Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 19,531 | 20,443
Substandard | Legacy Loans | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 11,321 | 9,710
Substandard | Legacy Loans | Construction, land and land development | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 7,123 | 269
Substandard | Legacy Loans | Other commercial real estate | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 4,198 | 9,441
Substandard | Legacy Loans | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 6,610 | 7,515
Substandard | Legacy Loans | Commercial, financial, & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 1,418 | 3,004
Substandard | Legacy Loans | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 182 | 214
Substandard | Purchased Loans |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 2,288 | 641
Substandard | Purchased Loans | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 2,089 | 99
Substandard | Purchased Loans | Construction, land and land development | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 79 | 65
Substandard | Purchased Loans | Other commercial real estate | Commercial Real Estate Portfolio Segment |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 2,010 | 34
Substandard | Purchased Loans | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 78 | 109
Substandard | Purchased Loans | Commercial, financial, & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | 38 | 433
Substandard | Purchased Loans | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans | $ 83 | $ 0

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