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Offsetting Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Repurchase Agreements [Member] |  |
Gross Amounts Recognized, Liabilities |  | $ 15,000
Gross Amounts Offset in the Statement of Financial Position, Liabilities |  |
Net Amounts of Assets Presented in the Statement of Financial Position, Liabilities |  | 15,000
Financial Instruments Recognized, Liabilities |  |
Cash or Financial Instrument Collateral, Liabilities |  | 15,000
Net Amount, Liabilities |  |
Interest Rate Swap [Member] |  |
Gross Amounts Recognized, Assets | 798 | 88
Gross Amounts Offset in the Statement of Financial Position |  |
Net Amounts of Assets Presented in the Statement of Financial Position, Assets | 798 | 88
Financial Instruments Recognized, Assets |  |
Cash or Financial Instrument Collateral, Assets |  |
Net Amount, Assets | $ 798 | $ 88

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