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Loans (Narrative) (Details) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2018 USD ($) contract | Sep. 30, 2017 contract | Dec. 31, 2017 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due greater than 90 days and still accruing interest | $ 0 |  | $ 0
Loans held for sale | 3,166 |  | 2,718
Past Due Loans | $ 5,394 |  | 6,522
Number of loans modified as TDR | contract | 0 | 0 |
Number of loans modified as TDR that defaulted within the previous 12 months | contract | 0 | 0 |
Greater than 90 Days [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past Due Loans | $ 8 |  | 11
Consumer Overdrafts [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past due greater than 90 days and still accruing interest | 8 |  | 11
Residential Real Estate Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Loans held for sale | 3,200 |  | 2,700
Past Due Loans | 926 |  | 1,964
Commercial Business [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Past Due Loans | $ 364 |  | $ 100

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