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Derivatives - Total Net Fair Value of Derivatives (Details) - Foreign Currency Exchange Contracts - Measured on a Recurring Basis - Not designated as hedging instrument - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Total Balance
Derivatives, Fair Value [Line Items]
Foreign currency exchange contracts	$ (249)	$ (565)
Level 1
Derivatives, Fair Value [Line Items]
Foreign currency exchange contracts	0	0
Level 2
Derivatives, Fair Value [Line Items]
Foreign currency exchange contracts	(249)	(565)
Level 3
Derivatives, Fair Value [Line Items]
Foreign currency exchange contracts	$ 0	$ 0

X

- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611

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- Definition

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+ References

No definition available.

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