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Loans and Allowance for Loan Losses (Details 3) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2016 | Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, 90 days or more delinquent and accruing | $ 0 | $ 0
Loans, Total past due loans accruing | 1,246 | 1,402
Loans, Non-accrual loans | 1,792 | 2,168
Loans, Total past due and non-accrual loans | 3,038 | 3,570
Loans, Total loans not past due | $ 432,537 | $ 422,246
Percent of gross loans, 30-59 days delinquent and accruing | 0.24% | 0.15%
Percent of gross loans, 60-89 days delinquent and accruing | 0.05% | 0.18%
Percent of gross loans, 90 days or more delinquent and accruing | 0.00% | 0.00%
Percentage of gross loans, Total past due loans accruing | 0.29% | 0.33%
Percent of gross loans, Non-accrual loans | 0.41% | 0.51%
Percentage of Total past due and non-accrual loans | 0.70% | 0.84%
Percentage of Total loans not past due | 99.30% | 99.16%
Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | $ 1,026 | $ 643
Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 220 | 759
Residential Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, 90 days or more delinquent and accruing | 0 | 0
Loans, Total past due loans accruing | 383 | 782
Loans, Non-accrual loans | 122 | 749
Loans, Total past due and non-accrual loans | 505 | 1,531
Loans, Total loans not past due | 133,209 | 130,399
Residential Real Estate [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 263 | 70
Residential Real Estate [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 120 | 712
Construction Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, 90 days or more delinquent and accruing | 0 | 0
Loans, Total past due loans accruing | 4 | 4
Loans, Non-accrual loans | 602 | 614
Loans, Total past due and non-accrual loans | 606 | 618
Loans, Total loans not past due | 15,478 | 14,425
Construction Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 4 | 4
Construction Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Commercial Real Estate [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, 90 days or more delinquent and accruing | 0 | 0
Loans, Total past due loans accruing | 422 | 240
Loans, Non-accrual loans | 237 | 47
Loans, Total past due and non-accrual loans | 659 | 287
Loans, Total loans not past due | 115,736 | 118,696
Commercial Real Estate [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 332 | 240
Commercial Real Estate [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 90 | 0
Commercial Loan [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, 90 days or more delinquent and accruing | 0 | 0
Loans, Total past due loans accruing | 256 | 130
Loans, Non-accrual loans | 90 | 583
Loans, Total past due and non-accrual loans | 346 | 713
Loans, Total loans not past due | 61,234 | 60,587
Commercial Loan [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 256 | 90
Commercial Loan [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 40
Agriculture Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, 90 days or more delinquent and accruing | 0 | 0
Loans, Total past due loans accruing | 83 | 179
Loans, Non-accrual loans | 631 | 139
Loans, Total past due and non-accrual loans | 714 | 318
Loans, Total loans not past due | 79,918 | 70,712
Agriculture Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 83 | 174
Agriculture Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 5
Municipal Loans [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, 90 days or more delinquent and accruing | 0 | 0
Loans, Total past due loans accruing | 0 | 0
Loans, Non-accrual loans | 0 | 0
Loans, Total past due and non-accrual loans | 0 | 0
Loans, Total loans not past due | 7,132 | 7,635
Municipal Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Municipal Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Consumer Loan [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans, 90 days or more delinquent and accruing | 0 | 0
Loans, Total past due loans accruing | 98 | 67
Loans, Non-accrual loans | 110 | 36
Loans, Total past due and non-accrual loans | 208 | 103
Loans, Total loans not past due | 19,830 | 19,792
Consumer Loan [Member] | Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 88 | 65
Consumer Loan [Member] | Financing Receivables, 60 to 89 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | $ 10 | $ 2

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