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Loans (Details 8) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 USD ($) Loan | Dec. 31, 2016 USD ($) Loan | Dec. 31, 2015 USD ($) Loan
Financing Receivable Modifications [Line Items] |  |  |
Number of Loans | Loan | 61 | 51 |
Pre-Modification Outstanding Recorded Investment | $ 1,515 | $ 881 |
Post-Modification Outstanding Recorded Investment | $ 1,522 | $ 882 |
Originated Loans |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of Loans | Loan | 54 | 44 | 31
Pre-Modification Outstanding Recorded Investment | $ 1,305 | $ 670 | $ 1,741
Post-Modification Outstanding Recorded Investment | $ 1,312 | $ 671 | $ 1,741
Originated Loans | Residential real estate, 1-4 family residential |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of Loans | Loan | 15 | 15 | 13
Pre-Modification Outstanding Recorded Investment | $ 910 | $ 436 | $ 760
Post-Modification Outstanding Recorded Investment | $ 917 | $ 437 | $ 760
Originated Loans | Residential real estate, Home equity lines of credit |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of Loans | Loan | 10 | 1 | 2
Pre-Modification Outstanding Recorded Investment | $ 234 | $ 40 | $ 60
Post-Modification Outstanding Recorded Investment | $ 234 | $ 40 | $ 60
Originated Loans | Consumer, Indirect |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of Loans | Loan | 29 | 26 | 12
Pre-Modification Outstanding Recorded Investment | $ 161 | $ 182 | $ 104
Post-Modification Outstanding Recorded Investment | $ 161 | $ 182 | $ 104
Originated Loans | Commercial real estate, Owner occupied |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of Loans | Loan |  |  | 2
Pre-Modification Outstanding Recorded Investment |  |  | $ 801
Post-Modification Outstanding Recorded Investment |  |  | $ 801
Originated Loans | Consumer |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of Loans | Loan |  | 2 | 1
Pre-Modification Outstanding Recorded Investment |  | $ 12 | $ 8
Post-Modification Outstanding Recorded Investment |  | $ 12 | $ 8
Originated Loans | Commercial | Commercial and industrial |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of Loans | Loan |  |  | 1
Pre-Modification Outstanding Recorded Investment |  |  | $ 8
Post-Modification Outstanding Recorded Investment |  |  | $ 8
Acquired Loans |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of Loans | Loan | 7 | 7 | 33
Pre-Modification Outstanding Recorded Investment | $ 210 | $ 211 | $ 2,698
Post-Modification Outstanding Recorded Investment | $ 210 | $ 211 | $ 2,698
Acquired Loans | Residential real estate, 1-4 family residential |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of Loans | Loan | 3 | 4 |
Pre-Modification Outstanding Recorded Investment | $ 85 | $ 153 |
Post-Modification Outstanding Recorded Investment | $ 85 | $ 153 |
Acquired Loans | Residential real estate, Home equity lines of credit |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of Loans | Loan | 1 | 1 |
Pre-Modification Outstanding Recorded Investment | $ 57 | $ 18 |
Post-Modification Outstanding Recorded Investment | $ 57 | $ 18 |
Acquired Loans | Consumer |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of Loans | Loan | 2 | 2 |
Pre-Modification Outstanding Recorded Investment | $ 55 | $ 40 |
Post-Modification Outstanding Recorded Investment | $ 55 | $ 40 |
Acquired Loans | Commercial | Commercial and industrial |  |  |
Financing Receivable Modifications [Line Items] |  |  |
Number of Loans | Loan | 1 |  | 2
Pre-Modification Outstanding Recorded Investment | $ 13 |  | $ 957
Post-Modification Outstanding Recorded Investment | $ 13 |  | $ 957

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