Derivatives and Hedging Activity - Effect on Financial Statements (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Derivatives
Gain Reclassified from AOCI into Income (effective portion)	$ (6,939)	$ (7,728)	$ (11,264)
(Loss) gain on derivative financial instruments, net	(82,178)	(6,310)	34,603
Interest rate swaps
Derivatives
(Loss) gain on derivative financial instruments, net	(48,692)	(10,516)	(1,593)
Interest rate swaps \| Cash flow hedges \| Derivatives designated as hedging instruments
Derivatives
Gain Recognized in OCI (effective portion)			8
Gain Reclassified from AOCI into Income (effective portion)			33
Interest rate swap guarantees
Derivatives
(Loss) gain on derivative financial instruments, net	(235)	(3,350)	(114)
Foreign exchange contracts
Derivatives
(Loss) gain on derivative financial instruments, net	(32,561)	8,801	36,040
Credit spread instrument
Derivatives
(Loss) gain on derivative financial instruments, net	$ (690)	$ (1,245)	$ 270

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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