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Loans and Allowance for Loan Losses (Details 7) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | $ 2,424 | $ 4,517 |
Loans Not Past Due |  | 366,576 | 344,787 |
Loans |  | 369,000 | 349,304 | $ 346,113
Loans 90 Days Past Due and Accruing |  | 229 | 29 |
Greater Than 90 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 1,157 | 1,510 |
30 to 59 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 1,126 | 2,024 |
60 to 89 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 141 | 983 |
Agricultural [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] |  | 3 |
Loans Not Past Due |  | 44,614 | 40,229 |
Loans |  | 44,614 | 40,232 | 41,098
Agricultural [Member] | 30 to 59 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] |  | 3 |
Commercial and Industrial [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 275 | 489 |
Loans Not Past Due |  | 95,813 | 93,858 |
Loans |  | 96,088 | 94,347 | 88,062
Commercial and Industrial [Member] | Greater Than 90 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 245 | 77 |
Commercial and Industrial [Member] | 30 to 59 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] |  | 90 |
Commercial and Industrial [Member] | 60 to 89 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 30 | 322 |
Consumer [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 107 | 115 |
Loans Not Past Due |  | 21,489 | 19,975 |
Loans |  | 21,596 | 20,090 | 20,752
Consumer [Member] | Greater Than 90 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 6 |  |
Consumer [Member] | 30 to 59 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 99 | 115 |
Consumer [Member] | 60 to 89 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 2 |  |
Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 260 | 2,035 |
Loans Not Past Due |  | 110,502 | 95,701 |
Loans |  | 110,762 | 97,736 | 99,807
Commercial Real Estate [Member] | Greater Than 90 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 260 | 1,233 |
Commercial Real Estate [Member] | 30 to 59 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] |  | 505 |
Commercial Real Estate [Member] | 60 to 89 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] |  | 297 |
Construction Real Estate [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] |  | 299 |
Loans Not Past Due |  | 6,153 | 5,091 |
Loans |  | 6,153 | 5,390 | 2,691
Construction Real Estate [Member] | 30 to 59 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] |  | 299 |
Residential Real Estate [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 1,782 | 1,576 |
Loans Not Past Due |  | 88,005 | 89,933 |
Loans |  | 89,787 | 91,509 | $ 93,703
Loans 90 Days Past Due and Accruing |  | 229 | 29 |
Residential Real Estate [Member] | Greater Than 90 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 646 | 200 |
Residential Real Estate [Member] | 30 to 59 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | 1,027 | 1,012 |
Residential Real Estate [Member] | 60 to 89 Days [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Past Due Total | [1] | $ 109 | $ 364 |
[1] | Includes nonaccrual loans.

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