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Derivative Instruments (Derivative Instruments Designated as Hedges of a Net Investment in a Foreign Operation) (Details) - Foreign Exchange Forward - Designated as Hedging Instrument - Net Investment Hedging - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Weighted average of U.S. dollar equivalent of foreign denominated net (liabilities) assets	$ 58,876	$ 74,451	$ (48,790)	$ 77,683
Derivative gains (losses)	$ 2,437	$ (8,694)	$ 348	$ 2,150

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- Definition

Derivative, Weighted Average U.S. Dollar Equivalent Of Foreign Denominated Net Assets

+ References

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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

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- Definition

Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580

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