Derivative and Other Fair Value Instruments - Summary of Effect of Cash Flow Hedges on the Accompanying Consolidated Statements of Operations and Comprehensive Income (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion - Amount of Gain/(Loss) Recognized in OCI on Derivative	$ (1,190)	$ (33,765)
Effective Portion - Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income	(17,275)	(14,659)
Forward Starting Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion - Amount of Gain/(Loss) Recognized in OCI on Derivative	(1,190)	(33,765)
Effective Portion - Amount of Gain/(Loss) Reclassified from Accumulated OCI into Income	$ (17,275)	$ (14,659)