- Notional Amount (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Derivative [Line Items]
Derivative term	1 month
Designated as hedging instruments | Cash Flow Hedging | Foreign currency forward contracts
Derivative [Line Items]
Notional amount of foreign currency forward contract	$ 728,386	$ 505,218
Designated as hedging instruments | Cash Flow Hedging | Foreign currency forward contracts | Euro
Derivative [Line Items]
Notional amount of foreign currency forward contract	501,197	335,179
Designated as hedging instruments | Cash Flow Hedging | Foreign currency forward contracts | Australian dollar
Derivative [Line Items]
Notional amount of foreign currency forward contract	89,705	52,820
Designated as hedging instruments | Cash Flow Hedging | Foreign currency forward contracts | British pound sterling
Derivative [Line Items]
Notional amount of foreign currency forward contract	87,032	73,460
Designated as hedging instruments | Cash Flow Hedging | Foreign currency forward contracts | Canadian dollar
Derivative [Line Items]
Notional amount of foreign currency forward contract	$ 50,452	$ 43,759