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Derivative Financial Instruments - Cash Flow Hedging (Details) - Interest Rate Contract [Member] - Cash Flow Hedging [Member]
$ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
Derivative Instruments, Gain (Loss) [Line Items]  
Amount of gain (loss) recognized in OCI on derivative $ (158)
Amount of gain (loss) reclassified from accumulated OCI into interest expense (6)
Amount of gain (loss) recognized in income on derivative (ineffective portion, reclassifications of missed forecasted transactions and amounts excluded from effectiveness testing) $ 0