Derivative Instruments - Realized and Unrealized Gain (Loss) on Derivatives Not Designated as Hedging Instruments (Details) - Not Designated as Hedging Instrument - Cross currency swaps - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Derivative [Line Items]
Unrealized gain	$ 47,624	$ 802
Realized loss	(18,294)	0
Gain on derivatives, net	$ 29,330	$ 802