Derivatives and Hedging Activities - Fair Value of Derivative Instruments (Details) - Fair Value, Recurring - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Assets	$ 77,145	$ 11,699
Liabilities	182,121	400,459
Designated as hedging instruments:
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Assets	17,602	351
Liabilities	164,411	262,784
Designated as hedging instruments: | Foreign currency forward and option contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Assets	8,422	351
Liabilities	27,742	52,804
Designated as hedging instruments: | Cross-currency interest rate swaps
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Assets	9,180	0
Liabilities	109,432	192,939
Designated as hedging instruments: | Foreign currency forward contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Assets	0	0
Liabilities	27,237	17,041
Not designated as hedging instruments:
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Assets	59,543	11,348
Liabilities	17,710	137,675
Not designated as hedging instruments: | Foreign currency forward contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Assets	53,867	3,721
Liabilities	13,979	133,805
Not designated as hedging instruments: | Embedded derivatives
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Assets	5,676	3,255
Liabilities	1,320	3,858
Not designated as hedging instruments: | Economic hedge of embedded derivatives
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Assets	0	4,372
Liabilities	$ 2,411	$ 12