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Long-Term Debt - WRF Credit Facilities (Details) - WRF		12 Months Ended
	Sep. 20, 2019 USD ($)	Dec. 31, 2020	Nov. 27, 2020 USD ($)	Apr. 10, 2020
Debt Instrument [Line Items]
Maximum consolidated senior secured net leverage ratio	3.75
WRF Term Loan, due 2024 | Secured Debt
Debt Instrument [Line Items]
Required quarterly payments	$ 12,500,000
WRF Term Loan, due 2024 | Secured Debt | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%
WRF Revolver, due 2024 | Revolving Credit Facility
Debt Instrument [Line Items]
Fee required for unborrowed amounts, percentage per annum	0.25%
WRF Revolver, due 2024 | Revolving Credit Facility | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%
WRF Senior Secured Credit Facilities | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate		1.75%
WRF Senior Secured Credit Facilities | Line of Credit | During Financial Covenant Relief Period
Debt Instrument [Line Items]
Minimum liquidity required to be maintained at all times during Financial Covenant Relief Period			$ 325,000,000.0
WRF Senior Secured Credit Facilities | Line of Credit | First Fiscal Quarter of the Financial Covenant Increase Period
Debt Instrument [Line Items]
Maximum consolidated first lien net leverage ratio			4.50
WRF Senior Secured Credit Facilities | Line of Credit | Second Fiscal Quarter of the Financial Covenant Increase Period
Debt Instrument [Line Items]
Maximum consolidated first lien net leverage ratio			4.25
WRF Senior Secured Credit Facilities | Line of Credit | Third Fiscal Quarter of the Financial Covenant Increase Period
Debt Instrument [Line Items]
Maximum consolidated first lien net leverage ratio			4.00
WRF Senior Secured Credit Facilities | Line of Credit | Fourth Fiscal Quarter and Thereafter of the Financial Covenant Increase Period
Debt Instrument [Line Items]
Maximum consolidated first lien net leverage ratio				3.75

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- Definition

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+ References

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- Definition

Amount of the required periodic payments applied to principal.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

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- Definition

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