Debt (Senior Notes Offering and Credit Agreement) (Details) - USD ($) $ in Millions	Apr. 18, 2024	Mar. 31, 2025	Dec. 31, 2024
Senior Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount	$ 1,275.0
8.625% Senior Secured Notes Due 2029
Line of Credit Facility [Line Items]
Stated interest rate		8.625%	8.625%
8.625% Senior Secured Notes Due 2029 | Senior Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount	$ 650.0
Stated interest rate	8.625%
Debt instrument maturity year	2029
10.250% senior notes due 2031 | Senior Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount	$ 625.0
Stated interest rate	10.25%
Debt instrument maturity year	2031
Credit Agreement
Line of Credit Facility [Line Items]
Debt instrument, face amount	$ 450.0
Credit Agreement | Revolving Credit Facility
Line of Credit Facility [Line Items]
Debt instrument, face amount	310.0
Credit Agreement | Letter of Credit
Line of Credit Facility [Line Items]
Debt instrument, face amount	$ 175.0