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Derivatives and Risk Management - Derivative Notional Amounts (Details) - Derivatives Designated as Hedging Instruments - Cash Flow Hedging - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Notional amount	$ 67,748	$ 75,626
Foreign Exchange Contract | United Kingdom, Pounds
Derivative [Line Items]
Notional amount	10,214	9,545
Foreign Exchange Contract | Japan, Yen
Derivative [Line Items]
Notional amount	16,209	18,637
Foreign Exchange Contract | Euro Member Countries, Euro
Derivative [Line Items]
Notional amount	$ 41,325	$ 47,444

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+ References

No definition available.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

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