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Derivatives - Impact of Derivatives Contracts on Condensed Consolidated Statements of Operations (Details) - Other income (expense), net - Foreign currency contracts - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Derivative [Line Items]
Unrealized gain on foreign currency contracts	$ 496	$ 561
Realized loss on foreign currency contracts	(660)	(940)
Total net loss on foreign currency contracts	$ (164)	$ (379)

X

- Definition

Amount of realized and unrealized gain of derivative instruments not designated or qualifying as hedging instruments.

+ References

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+ References

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