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Loans (Narrative) (Details) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2016 USD ($) contract | Mar. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans held for sale |  | $ 2,097 | $ 1,050
Past due greater than 90 days and still accruing interest |  | 0 | 0
Past Due Loans |  | 4,322 | 5,893
Number of Contracts | contract | 3 |  |
Pre-Modification Outstanding Recorded Investment | $ 862 |  |
Residential Real Estate Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past Due Loans |  | 1,250 | 1,326
Commercial Business [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past Due Loans |  | 1,073 | 1,337
Number of Contracts | contract | 2 |  |
Pre-Modification Outstanding Recorded Investment | $ 312 |  |
Greater than 90 Days [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past Due Loans |  | $ 10 | $ 9

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