Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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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.

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No definition available.

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- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Long-Term Debt - WRF Senior Notes (Details) - USD ($)		12 Months Ended
Long-Term Debt - WRF Senior Notes (Details) - USD ($)	Apr. 14, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Payments for related fees and expenses		$ 27,339,000	$ 32,738,000	$ 48,297,000
WRF 7 3/4% Senior Notes, due 2025 \| Senior Notes \| WRF
Debt Instrument [Line Items]
Debt instrument, aggregate principal amount	$ 600,000,000.0
Debt instrument, interest rate	7.75%	7.75%
Payments for related fees and expenses	$ 13,500,000