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Derivative Financial Instruments - Swaps (Details) - 1-month LIBOR - Interest Rate Cap Swap - Term October 2016 to December 2018
$ in Thousands
Mar. 31, 2017
USD ($)
Derivative Financial Instruments  
Weighted Average Notional Amount $ 200,000
Weighted Average Fixed Rate (as a percent) 1.23%
Interest rate cap 3.00%