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Loans and Allowance for Loan Losses, Loan Portfolio Based on Internal Rating Category (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | $ 632,958 | $ 601,902
1 (Pass) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 579,966 | 544,956
2 (Watch) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 38,041 | 44,662
3 (Special Mention) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 5,082 | 3,207
4 (Substandard) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 9,869 | 9,077
Construction & Development [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 83,291 | 87,267
Construction & Development [Member] | 1 (Pass) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 81,053 | 84,485
Construction & Development [Member] | 2 (Watch) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 2,238 | 2,782
Construction & Development [Member] | 3 (Special Mention) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 0 | 0
Construction & Development [Member] | 4 (Substandard) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 0 | 0
1-4 Family Commercial [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 36,165 | 33,278
1-4 Family Commercial [Member] | 1 (Pass) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 35,463 | 29,942
1-4 Family Commercial [Member] | 2 (Watch) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 694 | 3,221
1-4 Family Commercial [Member] | 3 (Special Mention) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 0 | 0
1-4 Family Commercial [Member] | 4 (Substandard) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 8 | 115
Commercial Real Estate - Other [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 188,142 | 156,396
Commercial Real Estate - Other [Member] | 1 (Pass) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 182,645 | 154,353
Commercial Real Estate - Other [Member] | 2 (Watch) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 1,510 | 1,559
Commercial Real Estate - Other [Member] | 3 (Special Mention) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 2,076 | 0
Commercial Real Estate - Other [Member] | 4 (Substandard) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 1,911 | 484
Commercial & Industrial [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 256,100 | 248,394
Commercial & Industrial [Member] | 1 (Pass) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 216,425 | 204,671
Commercial & Industrial [Member] | 2 (Watch) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 33,489 | 36,342
Commercial & Industrial [Member] | 3 (Special Mention) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 877 | 0
Commercial & Industrial [Member] | 4 (Substandard) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 5,309 | 7,381
Agricultural [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 56,167 | 62,844
Agricultural [Member] | 1 (Pass) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 51,287 | 57,782
Agricultural [Member] | 2 (Watch) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 110 | 758
Agricultural [Member] | 3 (Special Mention) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 2,129 | 3,207
Agricultural [Member] | 4 (Substandard) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 2,641 | 1,097
Consumer [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 13,093 | 13,723
Consumer [Member] | 1 (Pass) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 13,093 | 13,723
Consumer [Member] | 2 (Watch) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 0 | 0
Consumer [Member] | 3 (Special Mention) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | 0 | 0
Consumer [Member] | 4 (Substandard) [Member] |  |
Loans Portfolio based on Internal Rating [Abstract] |  |
Gross loans | $ 0 | $ 0

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