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

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Amount, after accumulated amortization, of debt discount.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Debt and Other Obligations - 8.00% Senior Secured Notes Due 2025 (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021	Jun. 30, 2021	Sep. 17, 2020
Debt Instrument [Line Items]
Less unamortized discount, net	$ 131,400,000	$ 54,900,000
8.00% senior secured notes due in 2025 \| Secured Debt
Debt Instrument [Line Items]
Debt face amount	$ 850,000,000			$ 850,000,000
Stated interest rate percentage	8.00%	8.00%	8.00%	8.00%
Proceeds from issuance of secured debt	$ 823,900,000
Debt issuance costs, net	17,400,000
Less unamortized discount, net	$ 8,700,000