Risk Management and Use of Derivative Financial Instruments - Derivative Gain Loss Reclassified From OCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Amount of Gain (Loss) on Derivatives Reclassified from Other Comprehensive (Loss) Income (Effective Portion)
Amount of Gain (Loss) on Derivatives Reclassified from Other Comprehensive (Loss) Income	$ (78)	$ 8,854	$ 13,085
Derivatives in Cash Flow Hedging Relationships | Interest rate swaps and caps | Interest expense
Amount of Gain (Loss) on Derivatives Reclassified from Other Comprehensive (Loss) Income (Effective Portion)
Amount of Gain (Loss) on Derivatives Reclassified from Other Comprehensive (Loss) Income	(932)	(1,818)	(2,256)
Derivatives in Cash Flow Hedging Relationships | Foreign currency collars | Non-operating income
Amount of Gain (Loss) on Derivatives Reclassified from Other Comprehensive (Loss) Income (Effective Portion)
Amount of Gain (Loss) on Derivatives Reclassified from Other Comprehensive (Loss) Income	854	4,956	5,759
Derivatives in Cash Flow Hedging Relationships | Foreign currency forward contracts | Non-operating income
Amount of Gain (Loss) on Derivatives Reclassified from Other Comprehensive (Loss) Income (Effective Portion)
Amount of Gain (Loss) on Derivatives Reclassified from Other Comprehensive (Loss) Income	$ 0	$ 5,716	$ 9,582