Risk Management and Use of Derivative Financial Instruments - Derivative Gain Loss Reclassified From OCI (Details) - Designated as Cash Flow Hedging Instruments - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Amount of Gain (Loss) on Derivatives Reclassified from Other Comprehensive Income (Loss)
Amount of Gain (Loss) on Derivatives Reclassified from Other Comprehensive Income (Loss)	$ 1,940	$ (1,507)
Foreign currency collars | Non-operating income
Amount of Gain (Loss) on Derivatives Reclassified from Other Comprehensive Income (Loss)
Amount of Gain (Loss) on Derivatives Reclassified from Other Comprehensive Income (Loss)	2,104	(1,181)
Interest rate swaps and caps | Interest expense
Amount of Gain (Loss) on Derivatives Reclassified from Other Comprehensive Income (Loss)
Amount of Gain (Loss) on Derivatives Reclassified from Other Comprehensive Income (Loss)	$ (164)	$ (326)