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Derivative Instruments and Hedge Activities - Summary of Net Gains (Losses) Recorded in Accumulated Other Comprehensive Income (Loss) and Consolidated Statements of Operations Relating to Cash Flow Derivative Instruments (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Derivative [Line Items]      
Amount of Gain (Loss) Recognized in OCI $ (5,483) $ 2,960 $ 688
Interest Rate Swaps      
Derivative [Line Items]      
Amount of Gain (Loss) Recognized in OCI (5,483) 2,960  
Amount of Gain Reclassified from OCI to Income as a Decrease to Interest Expense $ 1,626 $ 1,348