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Loans (Details 5) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | ---
Financing Receivable Impaired [Line Items] |  |
Unpaid Principal Balance, With no related allowance recorded | $ 4,607 | $ 5,561
Unpaid Principal Balance, With an allowance recorded | 1,165 | 2,710
Unpaid Principal Balance | 5,772 | 8,271
Recorded Investment, With no related allowance recorded | 3,666 | 4,649
Recorded Investment, With an allowance recorded | 1,127 | 2,689
Recorded Investment | 4,793 | 7,338
Allowance for Loan Losses Allocated | 77 | 249
Consumer |  |
Financing Receivable Impaired [Line Items] |  |
Unpaid Principal Balance, With no related allowance recorded | 261 | 205
Recorded Investment, With no related allowance recorded | 98 | 96
Commercial real estate, Owner occupied | Commercial real estate |  |
Financing Receivable Impaired [Line Items] |  |
Unpaid Principal Balance, With no related allowance recorded | 1,196 | 1,974
Unpaid Principal Balance, With an allowance recorded | 158 | 173
Recorded Investment, With no related allowance recorded | 680 | 1,456
Recorded Investment, With an allowance recorded | 158 | 173
Allowance for Loan Losses Allocated | 3 | 14
Commercial real estate, Non-owner occupied | Commercial real estate |  |
Financing Receivable Impaired [Line Items] |  |
Unpaid Principal Balance, With no related allowance recorded | 15 | 332
Unpaid Principal Balance, With an allowance recorded |  | 1,118
Recorded Investment, With no related allowance recorded | 15 | 331
Recorded Investment, With an allowance recorded |  | 1,118
Allowance for Loan Losses Allocated |  | 30
Commercial, Commercial and industrial | Commercial |  |
Financing Receivable Impaired [Line Items] |  |
Unpaid Principal Balance, With no related allowance recorded | 202 | 205
Unpaid Principal Balance, With an allowance recorded | 70 | 75
Recorded Investment, With no related allowance recorded | 181 | 184
Recorded Investment, With an allowance recorded | 70 | 75
Allowance for Loan Losses Allocated | 4 | 4
Residential real estate, 1-4 family residential | Residential real estate |  |
Financing Receivable Impaired [Line Items] |  |
Unpaid Principal Balance, With no related allowance recorded | 2,603 | 2,650
Unpaid Principal Balance, With an allowance recorded | 838 | 661
Recorded Investment, With no related allowance recorded | 2,369 | 2,403
Recorded Investment, With an allowance recorded | 803 | 642
Allowance for Loan Losses Allocated | 56 | 51
Residential real estate, Home equity lines of credit | Residential real estate |  |
Financing Receivable Impaired [Line Items] |  |
Unpaid Principal Balance, With no related allowance recorded | 330 | 195
Unpaid Principal Balance, With an allowance recorded | 99 | 84
Recorded Investment, With no related allowance recorded | 323 | 179
Recorded Investment, With an allowance recorded | 96 | 84
Allowance for Loan Losses Allocated | $ 14 | 1
Commercial real estate, Farmland | Commercial real estate |  |
Financing Receivable Impaired [Line Items] |  |
Unpaid Principal Balance, With an allowance recorded |  | 380
Recorded Investment, With an allowance recorded |  | 379
Allowance for Loan Losses Allocated |  | 42
Commercial, Agricultural | Commercial |  |
Financing Receivable Impaired [Line Items] |  |
Unpaid Principal Balance, With an allowance recorded |  | 219
Recorded Investment, With an allowance recorded |  | 218
Allowance for Loan Losses Allocated |  | $ 107

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