Hedging - Notional Amount (Details) - Foreign Currency Forward Contracts - Designated as Hedging Instruments - Cash Flow Hedging - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Derivative [Line Items]
Notional amount of foreign currency forward contract	$ 1,650,682	$ 1,091,916
Euro
Derivative [Line Items]
Notional amount of foreign currency forward contract	1,172,339	745,099
British pound sterling
Derivative [Line Items]
Notional amount of foreign currency forward contract	269,038	160,427
Australian dollar
Derivative [Line Items]
Notional amount of foreign currency forward contract	99,375	99,922
Canadian dollar
Derivative [Line Items]
Notional amount of foreign currency forward contract	84,190	86,468
Swiss Franc
Derivative [Line Items]
Notional amount of foreign currency forward contract	$ 25,740	$ 0