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Loans (Details 6) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Financing Receivable Impaired [Line Items] |  |
Average Recorded Investment, With no related allowance recorded | $ 4,317 | $ 4,168
Average Recorded Investment, With an allowance recorded | 1,652 | 2,658
Average Recorded Investment | 5,969 | 6,826
Interest Income Recognized, With no related allowance recorded | 64 | 47
Interest Income Recognized, With related allowance recorded | 13 | 26
Interest Income Recognized | 77 | 73
Consumer |  |
Financing Receivable Impaired [Line Items] |  |
Average Recorded Investment, With no related allowance recorded | 63 | 74
Average Recorded Investment, With an allowance recorded | 1 | 1
Interest Income Recognized, With no related allowance recorded | 3 | 3
Interest Income Recognized, With related allowance recorded | 0 | 0
Commercial real estate, Owner occupied | Commercial real estate |  |
Financing Receivable Impaired [Line Items] |  |
Average Recorded Investment, With no related allowance recorded | 420 | 1,051
Average Recorded Investment, With an allowance recorded | 0 | 422
Interest Income Recognized, With no related allowance recorded | 7 | 2
Interest Income Recognized, With related allowance recorded | 0 | 2
Commercial real estate, Non-owner occupied | Commercial real estate |  |
Financing Receivable Impaired [Line Items] |  |
Average Recorded Investment, With no related allowance recorded | 0 | 226
Average Recorded Investment, With an allowance recorded | 0 | 1,107
Interest Income Recognized, With no related allowance recorded | 0 | 0
Interest Income Recognized, With related allowance recorded | 0 | 14
Commercial, Commercial and industrial | Commercial |  |
Financing Receivable Impaired [Line Items] |  |
Average Recorded Investment, With no related allowance recorded | 873 | 210
Average Recorded Investment, With an allowance recorded | 67 | 273
Interest Income Recognized, With no related allowance recorded | 1 | 1
Interest Income Recognized, With related allowance recorded | 1 | 1
Residential real estate, 1-4 family residential | Residential real estate |  |
Financing Receivable Impaired [Line Items] |  |
Average Recorded Investment, With no related allowance recorded | 2,636 | 2,380
Average Recorded Investment, With an allowance recorded | 1,429 | 773
Interest Income Recognized, With no related allowance recorded | 49 | 37
Interest Income Recognized, With related allowance recorded | 10 | 8
Residential real estate, Home equity lines of credit | Residential real estate |  |
Financing Receivable Impaired [Line Items] |  |
Average Recorded Investment, With no related allowance recorded | 325 | 227
Average Recorded Investment, With an allowance recorded | 155 | 82
Interest Income Recognized, With no related allowance recorded | 4 | 4
Interest Income Recognized, With related allowance recorded | $ 2 | $ 1

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