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Derivative Financial Instruments (Details) - Not designated as hedges - Foreign currency exchange forwards - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2018 | Jun. 30, 2018
Derivative Financial Instruments |  |
Gains (losses) | $ 199 | $ 216
Weighted average notional amount | $ 5,376 | $ 2,392

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Weighted average notional amount specified by the derivative(s). + References No definition available. + Details
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- Details
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- Details
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