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Derivative Instruments and Hedging Activities (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]      
Interest rate cap $ 61 $ 0  
Level 2 measurement | Interest rate cap      
Derivatives, Fair Value [Line Items]      
Notional Amount $ 300,000    
LIBOR Rate 4.00%    
Fair Value $ 65   $ 11