Risk Management and Use of Derivative Financial Instruments - Information Regarding Derivative Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Derivatives, Fair Value
Derivative asset fair value	$ 2,195	$ 2,474
Derivative liability, fair value	(4,622)	(2,039)
Derivatives Designated as Hedging Instruments
Derivatives, Fair Value
Derivative asset fair value	2,195	2,474
Derivative liability, fair value	(4,588)	(1,991)
Derivatives Designated as Hedging Instruments | Accounts receivable and other assets, net | Foreign currency collars
Derivatives, Fair Value
Derivative asset fair value	1,795	1,444
Derivatives Designated as Hedging Instruments | Accounts receivable and other assets, net | Foreign currency forward contracts
Derivatives, Fair Value
Derivative asset fair value	368	861
Derivatives Designated as Hedging Instruments | Accounts receivable and other assets, net | Interest rate caps
Derivatives, Fair Value
Derivative asset fair value	32	116
Derivatives Designated as Hedging Instruments | Accounts receivable and other assets, net | Interest rate swaps
Derivatives, Fair Value
Derivative asset fair value	0	53
Derivatives Designated as Hedging Instruments | Accounts payable, accrued expenses and other liabilities | Interest rate swaps
Derivatives, Fair Value
Derivative liability, fair value	(4,588)	(1,991)
Derivatives Not Designated as Hedging Instruments
Derivatives, Fair Value
Derivative liability, fair value	(34)	(48)
Derivatives Not Designated as Hedging Instruments | Accounts payable, accrued expenses and other liabilities | Interest rate swaps
Derivatives, Fair Value
Derivative liability, fair value	$ (34)	$ (48)