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Derivatives - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Derivative Instruments,Gain (Loss) [Line Items] |  |  |  |
Net gain (loss) on foreign currency exchange contracts | $ 689 | $ (72) | $ 2,177 | $ (523)
Not designated as hedging instrument | Foreign currency exchange contracts |  |  |  |
Derivative Instruments,Gain (Loss) [Line Items] |  |  |  |
Net gain (loss) on foreign currency exchange contracts | $ 700 | $ (100) | $ 2,200 | $ (500)

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- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
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