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Loans and Allowance for Loan Losses (Past Due Loans) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Nonaccrual | $ 2,696 | $ 1,764
Total Past Due | 5,921 | 5,269
Current Loans | 1,737,160 | 1,285,195
Total loans | 1,777,239 | 1,323,258
Purchased Credit Impaired Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans | 34,158 | 32,794
Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Nonaccrual | 272 | 128
Total Past Due | 668 | 1,373
Current Loans | 841,677 | 623,712
Total loans | 860,027 | 642,988
Commercial Real Estate [Member] | Purchased Credit Impaired Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans | 17,682 | 17,903
Consumer Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Nonaccrual | 844 | 991
Total Past Due | 2,928 | 1,987
Current Loans | 395,614 | 284,020
Total loans | 407,254 | 293,457
Consumer Real Estate [Member] | Purchased Credit Impaired Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans | 8,712 | 7,450
Construction and Land Development [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Nonaccrual | 547 | 547
Total Past Due | 890 | 938
Current Loans | 182,403 | 129,351
Total loans | 187,895 | 135,409
Construction and Land Development [Member] | Purchased Credit Impaired Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans | 4,602 | 5,120
Commercial and Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Nonaccrual | 909 | 85
Total Past Due | 1,165 | 502
Current Loans | 304,532 | 236,727
Total loans | 308,254 | 238,087
Commercial and Industrial [Member] | Purchased Credit Impaired Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans | 2,557 | 858
Consumer and Other [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Nonaccrual | 124 | 13
Total Past Due | 270 | 469
Current Loans | 12,934 | 11,385
Total loans | 13,809 | 13,317
Consumer and Other [Member] | Purchased Credit Impaired Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans | 605 | 1,463
30 to 59 Days Past Due and Accruing [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 2,160 | 1,546
30 to 59 Days Past Due and Accruing [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 377 | 517
30 to 59 Days Past Due and Accruing [Member] | Consumer Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 1,168 | 769
30 to 59 Days Past Due and Accruing [Member] | Construction and Land Development [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 343 | 65
30 to 59 Days Past Due and Accruing [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 155 | 86
30 to 59 Days Past Due and Accruing [Member] | Consumer and Other [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 117 | 109
60 to 89 Days Past Due and Accruing [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 481 | 450
60 to 89 Days Past Due and Accruing [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 19 | 0
60 to 89 Days Past Due and Accruing [Member] | Consumer Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 462 | 194
60 to 89 Days Past Due and Accruing [Member] | Construction and Land Development [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 0 | 0
60 to 89 Days Past Due and Accruing [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 0 | 200
60 to 89 Days Past Due and Accruing [Member] | Consumer and Other [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 0 | 56
Past Due 90 Days or More and Accruing [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 584 | 1,509
Past Due 90 Days or More and Accruing [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 0 | 728
Past Due 90 Days or More and Accruing [Member] | Consumer Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 454 | 33
Past Due 90 Days or More and Accruing [Member] | Construction and Land Development [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 0 | 326
Past Due 90 Days or More and Accruing [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 101 | 131
Past Due 90 Days or More and Accruing [Member] | Consumer and Other [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | $ 29 | $ 291

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