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Loans and Allowance for Loan Losses - Past Due Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Past Due 90 Days or More and Accruing | $ 877 | $ 607
Nonaccrual | 2,899 | 2,743
Total Past Due and Nonaccrual | 8,081 | 6,651
Current Loans | 2,365,244 | 1,863,754
Total loans | 2,408,284 | 1,897,392
Financial Asset, 30 to 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 3,565 | 3,182
Financial Asset, 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 740 | 119
Commercial Real Estate [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due 90 Days or More and Accruing | 1 | 0
Nonaccrual | 815 | 124
Total Past Due and Nonaccrual | 2,023 | 612
Current Loans | 998,493 | 889,439
Total loans | 1,017,033 | 905,306
Commercial Real Estate [Member] | Financial Asset, 30 to 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 1,019 | 466
Commercial Real Estate [Member] | Financial Asset, 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 188 | 22
Consumer Real Estate [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due 90 Days or More and Accruing | 138 | 0
Nonaccrual | 1,891 | 1,872
Total Past Due and Nonaccrual | 4,212 | 3,466
Current Loans | 444,080 | 407,475
Total loans | 459,860 | 417,482
Consumer Real Estate [Member] | Financial Asset, 30 to 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 1,726 | 1,564
Consumer Real Estate [Member] | Financial Asset, 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 457 | 30
Construction and Land Development [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due 90 Days or More and Accruing | 265 | 607
Nonaccrual | 0 | 620
Total Past Due and Nonaccrual | 867 | 1,734
Current Loans | 271,922 | 221,434
Total loans | 279,216 | 227,626
Construction and Land Development [Member] | Financial Asset, 30 to 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 602 | 507
Construction and Land Development [Member] | Financial Asset, 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 0 | 0
Commercial and Industrial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due 90 Days or More and Accruing | 465 | 0
Nonaccrual | 121 | 57
Total Past Due and Nonaccrual | 763 | 669
Current Loans | 636,346 | 335,999
Total loans | 637,450 | 337,075
Commercial and Industrial [Member] | Financial Asset, 30 to 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 84 | 559
Commercial and Industrial [Member] | Financial Asset, 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 93 | 53
Consumer and Other [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due 90 Days or More and Accruing | 8 | 0
Nonaccrual | 72 | 70
Total Past Due and Nonaccrual | 216 | 170
Current Loans | 14,403 | 9,407
Total loans | 14,725 | 9,903
Consumer and Other [Member] | Financial Asset, 30 to 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 134 | 86
Consumer and Other [Member] | Financial Asset, 60 to 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Past due and accruing | 2 | 14
Purchased Credit Impaired Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans | 34,959 | 26,987
Purchased Credit Impaired Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans | 16,517 | 15,255
Purchased Credit Impaired Loans [Member] | Consumer Real Estate [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans | 11,568 | 6,541
Purchased Credit Impaired Loans [Member] | Construction and Land Development [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans | 6,427 | 4,458
Purchased Credit Impaired Loans [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans | 341 | 407
Purchased Credit Impaired Loans [Member] | Consumer and Other [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total loans | $ 106 | $ 326

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