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Loans - Age Analysis of Past Due Loans and Nonaccrual Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Loans | $ 1,062,775 | $ 1,059,503
Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 789 | 2,408
Nonaccrual Loans | 8,698 | 6,610
Current Loans | 983,506 | 965,555
Loans | 992,993 | 974,573
Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 44 | 684
Nonaccrual Loans | 1,979 | 2,518
Current Loans | 67,760 | 81,728
Loans | 69,783 | 84,930
30-89 Days Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 789 | 2,408
30-89 Days Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 44 | 684
90 Days or More Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
90 Days or More Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
Construction, land and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 115,967 | 121,093
Other commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 538,080 | 520,391
Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 654,047 | 641,484
Commercial real estate | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 132 | 1,543
Nonaccrual Loans | 5,228 | 2,625
Current Loans | 603,829 | 582,854
Loans | 609,189 | 587,022
Commercial real estate | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 544
Nonaccrual Loans | 1,883 | 2,185
Current Loans | 42,977 | 51,733
Loans | 44,860 | 54,462
Commercial real estate | 30-89 Days Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 132 | 1,543
Commercial real estate | 30-89 Days Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 544
Commercial real estate | 90 Days or More Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
Commercial real estate | 90 Days or More Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
Commercial real estate | Construction, land and land development |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 115,967 | 121,093
Commercial real estate | Construction, land and land development | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 24 | 1,314
Nonaccrual Loans | 74 | 80
Current Loans | 109,487 | 108,183
Loans | 109,585 | 109,577
Commercial real estate | Construction, land and land development | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
Nonaccrual Loans | 0 | 117
Current Loans | 6,383 | 11,399
Loans | 6,383 | 11,516
Commercial real estate | Construction, land and land development | 30-89 Days Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 24 | 1,314
Commercial real estate | Construction, land and land development | 30-89 Days Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
Commercial real estate | Construction, land and land development | 90 Days or More Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
Commercial real estate | Construction, land and land development | 90 Days or More Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
Commercial real estate | Other commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 538,080 | 520,391
Commercial real estate | Other commercial real estate | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 108 | 229
Nonaccrual Loans | 5,154 | 2,545
Current Loans | 494,342 | 474,671
Loans | 499,604 | 477,445
Commercial real estate | Other commercial real estate | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 544
Nonaccrual Loans | 1,883 | 2,068
Current Loans | 36,594 | 40,334
Loans | 38,477 | 42,946
Commercial real estate | Other commercial real estate | 30-89 Days Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 108 | 229
Commercial real estate | Other commercial real estate | 30-89 Days Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 544
Commercial real estate | Other commercial real estate | 90 Days or More Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
Commercial real estate | Other commercial real estate | 90 Days or More Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
Residential real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 178,211 | 183,021
Residential real estate | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 471 | 667
Nonaccrual Loans | 2,572 | 2,873
Current Loans | 162,844 | 164,174
Loans | 165,887 | 167,714
Residential real estate | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 17 | 15
Nonaccrual Loans | 69 | 85
Current Loans | 12,238 | 15,207
Loans | 12,324 | 15,307
Residential real estate | 30-89 Days Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 471 | 667
Residential real estate | 30-89 Days Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 17 | 15
Residential real estate | 90 Days or More Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
Residential real estate | 90 Days or More Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
Commercial, financial & agricultural |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 210,315 | 213,380
Commercial, financial & agricultural | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 149 | 150
Nonaccrual Loans | 810 | 1,010
Current Loans | 198,903 | 199,640
Loans | 199,862 | 200,800
Commercial, financial & agricultural | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 27 | 125
Nonaccrual Loans | 27 | 55
Current Loans | 10,398 | 12,400
Loans | 10,452 | 12,580
Commercial, financial & agricultural | 30-89 Days Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 149 | 150
Commercial, financial & agricultural | 30-89 Days Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 27 | 125
Commercial, financial & agricultural | 90 Days or More Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
Commercial, financial & agricultural | 90 Days or More Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
Consumer and other |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 20,202 | 21,618
Consumer and other | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 37 | 48
Nonaccrual Loans | 88 | 102
Current Loans | 17,930 | 18,887
Loans | 18,055 | 19,037
Consumer and other | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
Nonaccrual Loans | 0 | 193
Current Loans | 2,147 | 2,388
Loans | 2,147 | 2,581
Consumer and other | 30-89 Days Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 37 | 48
Consumer and other | 30-89 Days Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
Consumer and other | 90 Days or More Past Due | Legacy Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | 0 | 0
Consumer and other | 90 Days or More Past Due | Purchased Loans |  |
Financing Receivable, Past Due [Line Items] |  |
Accruing Loans Past Due | $ 0 | $ 0

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