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Interest Rate Swap Derivatives (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Other Assets [Member] | Interest Rate Swap 1 [Member] |  |
Notional Amount | $ 100,000 | $ 250,000
Fair value | 908 | 3,727
Other Liabilities [Member] | Other Contracts Swap 1 [Member] |  |
Notional Amount | 27,500 | 27,500
Fair value | $ 71 | $ 59

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