Hedging - Derivative Fair Value (Details) - Designated as Hedging Instruments - Foreign Currency Forward Contracts - Cash Flow Hedging - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Derivative [Line Items]
Total assets	$ 673	$ 9,725
Total liabilities	(32,808)	(7,354)
Prepaid expenses and other current assets
Derivative [Line Items]
Total assets	673	9,725
Other assets
Derivative [Line Items]
Total assets	0	0
Other current liabilities
Derivative [Line Items]
Total liabilities	(29,554)	(5,533)
Other long-term liabilities
Derivative [Line Items]
Total liabilities	$ (3,254)	$ (1,821)