Long-Term Debt - WRF Senior Secured Credit Facilities (Details) - WRF $ in Millions	Sep. 20, 2019 USD ($)
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	$ 12.5
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%

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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.

+ Details

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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

+ Details

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Covenant Terms, Maximum Consolidated Senior Secured Net Leverage Ratio

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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