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Derivative Instruments (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Mar. 31, 2017
Sep. 30, 2017
Derivative [Line Items]      
Initial term of lease   5 years  
Gain (Loss) on Interest Rate Cash Flow Hedge Ineffectiveness $ 0   $ 0
Interest Rate Swap Contracts      
Derivative [Line Items]      
Derivative, Notional Amount 75,000,000   75,000,000
Interest Rate Cap Contracts      
Derivative [Line Items]      
Derivative, Notional Amount $ 75,000,000   $ 75,000,000