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