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Derivatives - Impact of Derivative Instruments on Income Statement (Details) - Other income, net - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Unrealized gain (loss) on foreign currency contracts
Derivative [Line Items]
Gain (loss) on foreign currency contracts	$ (222)	$ 386	$ (634)
Realized gain (loss) on foreign currency contracts
Derivative [Line Items]
Gain (loss) on foreign currency contracts	320	1,661	(1,699)
Foreign currency contracts
Derivative [Line Items]
Gain (loss) on foreign currency contracts	$ 98	$ 2,047	$ (2,333)

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4CC
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109998890-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959

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- Definition

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+ References

No definition available.

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