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Loans and Allowance for Loan Losses (Details 5) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | $ 2,905 | $ 1,659 |
Loans Not Past Due |  | 406,168 | 397,126 |
Loans |  | 409,073 | 398,785 | $ 369,000
Loans 90 Days Past Due and Accruing |  |  | 258 |
30 to 59 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 1,647 | 842 |
60 to 89 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 526 | 368 |
Greater Than 90 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 732 | 449 |
Agricultural [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] |  | 83 |
Loans Not Past Due |  | 49,109 | 48,381 |
Loans |  | 49,109 | 48,464 | 44,614
Agricultural [Member] | Greater Than 90 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] |  | 83 |
Commercial and Industrial [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 5 | 20 |
Loans Not Past Due |  | 91,401 | 104,366 |
Loans |  | 91,406 | 104,386 | 96,088
Commercial and Industrial [Member] | 30 to 59 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 5 | 20 |
Consumer [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 200 | 181 |
Loans Not Past Due |  | 24,182 | 24,332 |
Loans |  | 24,382 | 24,513 | 21,596
Consumer [Member] | 30 to 59 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 149 | 142 |
Consumer [Member] | 60 to 89 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 40 | 38 |
Consumer [Member] | Greater Than 90 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 11 | 1 |
Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 73 | 222 |
Loans Not Past Due |  | 139,380 | 123,265 |
Loans |  | 139,453 | 123,487 | 110,762
Commercial Real Estate [Member] | 30 to 59 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] |  | 95 |
Commercial Real Estate [Member] | 60 to 89 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] |  | 58 |
Commercial Real Estate [Member] | Greater Than 90 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 73 | 69 |
Construction Real Estate [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Loans Not Past Due |  | 8,843 | 6,613 |
Loans |  | 8,843 | 6,613 | 6,153
Residential Real Estate [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 2,627 | 1,153 |
Loans Not Past Due |  | 93,253 | 90,169 |
Loans |  | 95,880 | 91,322 | $ 89,787
Loans 90 Days Past Due and Accruing |  |  | 258 |
Residential Real Estate [Member] | 30 to 59 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 1,493 | 585 |
Residential Real Estate [Member] | 60 to 89 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 486 | 272 |
Residential Real Estate [Member] | Greater Than 90 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | $ 648 | $ 296 |
[1] | Includes nonaccrual loans.

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