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Derivatives (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Aug. 24, 2015
Dec. 30, 2014
Oct. 15, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]          
Notional Amount of Interest Rate Cash Flow Hedge Derivatives     $ 25,000 $ 25,000 $ 25,000
Interest expense on derivatives $ 7,635 $ 60