Derivatives - Impact of Derivatives Contracts on Condensed Consolidated Statements of Operations (Details) - Other income, net - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Unrealized gain on foreign currency contracts
Derivative [Line Items]
Gain (loss) on foreign currency contracts	$ 0	$ 553	$ 0	$ 349
Realized gain on foreign currency contracts
Derivative [Line Items]
Gain (loss) on foreign currency contracts	0	1,059	1,475	1,471
Foreign currency contracts
Derivative [Line Items]
Gain (loss) on foreign currency contracts	$ 0	$ 1,612	$ 1,475	$ 1,820