Derivatives and Hedging - Schedule of Gains (Losses) Related to Designated Cash Flow Hedges and Net Investment Hedges (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in AOCL Before Reclassifications	$ (49,237)	$ (28,991)	$ (16,069)	$ (7,880)
Gain Recognized in Interest Expense For Excluded Components	7,476	5,008	13,998	8,918
Cash flow hedges | Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in AOCL Before Reclassifications	(4,370)	(14,121)	(28,830)	(21,567)
Net investment hedges | Cross-currency swap
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in AOCL Before Reclassifications			0	2,936
Gain Recognized in Interest Expense For Excluded Components			0	2,294
Net investment hedges | Forward contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in AOCL Before Reclassifications	(31,147)	(4,300)	15,701	5,641
Gain Recognized in Interest Expense For Excluded Components	7,476	5,008	13,998	6,624
Net investment hedges | Foreign currency debt
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) Recognized in AOCL Before Reclassifications	$ (13,720)	$ (10,570)	$ (2,940)	$ 5,110