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	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Derivative [Line Items]
Amount of Loss Recognized in OCI	$ 4,992
Interest Rate Swap
Derivative [Line Items]
Amount of Loss Reclassified from OCI to Income as an Increase to Interest Expense	$ (21)	$ (21)