Debt and Liquidity (2023 Senior Secured Notes) (Details) - USD ($)	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Debt Instrument, Issue Price	$ 0.97456
Secured Notes
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.625%
Secured Notes | Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	40.00%
Debt Instrument, Redemption Price, Percentage	104.625%
2023 Senior Secured Notes
Debt Instrument [Line Items]
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums	$ 11,400,000
Debt Instrument, Event Of Default, Percentage Of Debt Held	30.00%
2023 Senior Secured Notes | Secured Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 450,000,000	$ 0
Debt Instrument, Interest Rate, Stated Percentage	9.875%
Debt Instrument, Covenant, Restricted Payments Allowable With No Default Or Event Of Default, Pro Forma Consolidated First Lien Net Leverage Ratio, Maximum	2.00
Debt Instrument, Covenant, Restricted Payments Allowable Pursuant To Certain Baskets, Pro Forma Consolidated First Lien Net Leverage Ratio, Maximum	2.00
2023 Senior Secured Notes | Secured Notes | Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage	109.875%
Debt Instrument, Redemption Price, Premium Applicable, Percentage	100.00%