Risk Management and Derivatives - Balance Sheet Location (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative assets	$ 21,150	$ 4,064	$ 11,121
Derivative liabilities	16	11,215	2,558
Designated as Hedging Instrument | Foreign currency contracts | Other current assets
Derivatives, Fair Value [Line Items]
Derivative assets	19,441	4,040	10,427
Designated as Hedging Instrument | Foreign currency contracts | Other long term assets
Derivatives, Fair Value [Line Items]
Derivative assets	1,709	24	694
Designated as Hedging Instrument | Foreign currency contracts | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	16	8,772	2,425
Designated as Hedging Instrument | Foreign currency contracts | Other long term liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	0	2,443	133
Designated as Hedging Instrument | Interest rate swap contracts | Other long term assets
Derivatives, Fair Value [Line Items]
Derivative assets	0	0	0
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative assets	1,106	2,337	1,112
Derivative liabilities	4,494	9,510	8,830
Not Designated as Hedging Instrument | Foreign currency contracts | Other current assets
Derivatives, Fair Value [Line Items]
Derivative assets	1,106	2,337	1,112
Not Designated as Hedging Instrument | Foreign currency contracts | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 4,494	$ 9,510	$ 8,830