Derivative Financial Instruments - Effect of Net Investment Hedge Nonderivative Financial Instrument on OCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning of Period	$ (204,672)
Unrealized gain (loss) on derivative instruments	(7,002)	$ 4,061	$ 2,586
Realized (gains) losses reclassified into net income (loss)	6,104	(5,985)	(2,351)
Accumulated Other Comprehensive Income (Loss), Net of Tax, End of Period	(138,526)	(204,672)
Accumulated Net Gain (Loss) from Derivative and Nonderivative Instruments Designated as Hedging Instruments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning of Period	(15,103)	(13,179)	(13,414)
Accumulated Other Comprehensive Income (Loss), Net of Tax, End of Period	$ (16,001)	$ (15,103)	$ (13,179)