Derivatives and Hedging Activities - Derivatives Not Designated as Hedging Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivatives not designated as hedging instruments, gain (loss)	$ 62,331	$ (50,071)	$ 127,759	$ (30,154)
Embedded derivatives | Revenues
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivatives not designated as hedging instruments, gain (loss)	1,023	(3,308)	6,168	1,402
Economic hedge of embedded derivatives | Revenues
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivatives not designated as hedging instruments, gain (loss)	(1,532)	3,259	(6,024)	(2,342)
Foreign currency forward contracts | Other income (expense)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivatives not designated as hedging instruments, gain (loss)	$ 62,840	$ (50,022)	$ 127,615	$ (29,214)