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Derivatives - Summary of Non-Designated Foreign Exchange Forwards (Details) - Not Designated as Hedging Instrument $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2020 USD ($) contract	Dec. 31, 2019 USD ($) contract
Interest rate swap liability
Derivative [Line Items]
Number of Contracts | contract	1	1
Aggregate Notional Amount (in thousands) | $	$ 500,000	$ 500,000
Weighted-Average Years to Maturity	6 years 1 month 13 days	6 years 4 months 13 days
GBP | Foreign currency forward, net
Derivative [Line Items]
Number of Contracts | contract	157	156
Aggregate Notional Amount (in thousands) | $	$ 526,613	$ 735,349
Weighted-Average Years to Maturity	2 years 3 months 3 days	1 year 5 months 26 days
EUR | Foreign currency forward, net
Derivative [Line Items]
Number of Contracts | contract	63	44
Aggregate Notional Amount (in thousands) | $	$ 219,130	$ 168,879
Weighted-Average Years to Maturity	3 years 1 month 9 days	3 years 2 months 19 days

X

- Definition

Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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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.

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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=109980867&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=109980867&loc=SL5579245-113959

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- Definition

The number of derivative instruments of a particular group held by the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

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