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Loans and Allowance for Loan Losses (Details 5) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Nonaccrual | $ 1,764 | $ 1,415
Total Past Due and Nonaccrual | 5,269 | 4,168
Current Loans | 1,285,195 | 782,015
Total loans | 1,323,258 | 813,376
Purchased Credit Impaired Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans | 32,794 | 27,193
Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Nonaccrual | 128 | 0
Total Past Due and Nonaccrual | 1,373 | 395
Current Loans | 623,712 | 399,870
Total loans | 642,988 | 415,208
Commercial Real Estate [Member] | Purchased Credit Impaired Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans | 17,903 | 14,943
Consumer Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Nonaccrual | 991 | 386
Total Past Due and Nonaccrual | 1,987 | 1,780
Current Loans | 284,020 | 177,018
Total loans | 293,457 | 187,802
Consumer Real Estate [Member] | Purchased Credit Impaired Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans | 7,450 | 9,004
Construction and Land Development [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Nonaccrual | 547 | 865
Total Past Due and Nonaccrual | 938 | 1,555
Current Loans | 129,351 | 114,636
Total loans | 135,409 | 117,869
Construction and Land Development [Member] | Purchased Credit Impaired Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans | 5,120 | 1,678
Commercial and Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Nonaccrual | 85 | 164
Total Past Due and Nonaccrual | 502 | 421
Current Loans | 236,727 | 83,033
Total loans | 238,087 | 85,022
Commercial and Industrial [Member] | Purchased Credit Impaired Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans | 858 | 1,568
Consumer and Other [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Nonaccrual | 13 | 0
Total Past Due and Nonaccrual | 469 | 17
Current Loans | 11,385 | 7,458
Total loans | 13,317 | 7,475
Consumer and Other [Member] | Purchased Credit Impaired Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total loans | 1,463 | 0
30 to 89 Days Past Due and Accruing [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 1,996 | 2,054
30 to 89 Days Past Due and Accruing [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 517 | 395
30 to 89 Days Past Due and Accruing [Member] | Consumer Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 963 | 695
30 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 | 65 | 690
30 to 89 Days Past Due and Accruing [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 286 | 257
30 to 89 Days Past Due and Accruing [Member] | Consumer and Other [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 165 | 17
Past Due 90 Days or More and Accruing [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Recorded investment, past due | 1,509 | 699
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 | 728 | 0
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 | 33 | 699
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 | 326 | 0
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 | 131 | 0
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 | $ 291 | $ 0

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