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Debt - Additional Information (Details) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 27, 2025
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Jun. 11, 2025
Dec. 31, 2024
Debt Instrument [Line Items]                
Payment of aggregate principal amount         $ 490,000,000.0 $ 11,800,000    
Loss on debt extinguishment     $ 200,000 $ 0 7,000,000.0 $ 0    
10.625% senior secured notes due January 15, 2031 | Senior Notes                
Debt Instrument [Line Items]                
Aggregate principal amount $ 700,000,000.0   $ 700,000,000.0   $ 700,000,000.0      
Convertible senior notes interest rate 10.625%   10.625%   10.625%      
Senior secured notes     $ 686,600,000   $ 686,600,000     $ 0
10.625% senior secured notes due January 15, 2031 | Senior Notes | Debt Instrument, Redemption, Period One                
Debt Instrument [Line Items]                
Redemption price, proportion of principal amount (in percent) 100.00%              
10.625% senior secured notes due January 15, 2031 | Senior Notes | Debt Instrument, Redemption, Period Two                
Debt Instrument [Line Items]                
Principal amount redeemed percentage 40.00%              
10.625% senior secured notes due January 15, 2031 | Senior Notes | Debt Instrument, Redemption, Period Three                
Debt Instrument [Line Items]                
Redemption price, proportion of principal amount (in percent) 110.625%              
10.625% senior secured notes due January 15, 2031 | Senior Notes | Debt Instrument, Redemption, Period Four                
Debt Instrument [Line Items]                
Principal amount redeemed percentage 10.00%              
10.625% senior secured notes due January 15, 2031 | Senior Notes | Debt Instrument, Redemption, Period Five                
Debt Instrument [Line Items]                
Redemption price, proportion of principal amount (in percent) 103.00%              
10.625% senior secured notes due January 15, 2031 | Senior Notes | Debt Instrument, Redemption, Period Six                
Debt Instrument [Line Items]                
Redemption price, proportion of principal amount (in percent)         101.00%      
6.875% senior secured notes due November 1, 2027 | Senior Notes                
Debt Instrument [Line Items]                
Aggregate principal amount     $ 485,000,000.0   $ 485,000,000.0     485,000,000
Convertible senior notes interest rate 6.875%   6.875%   6.875%      
Tender offer price             $ 1,006.25  
Tender offer, premium price             $ 30.00  
Payment of aggregate principal amount   $ 488,600,000            
Premium amount   3,000,000 $ 3,000,000   $ 3,000,000      
Accrued interest   5,500,000            
Repayment of aggregate principal amount   480,100,000            
Senior secured notes   $ 4,900,000 0   0     $ 481,600,000
Loss on debt extinguishment         7,000,000      
Write-off of unamortized debt issuance costs         4,000,000      
Amended and Restated ABL Credit Facility | Revolving Credit Facility                
Debt Instrument [Line Items]                
Maximum borrowing capacity $ 125,000,000              
Accordion feature increase limit up to 155,000,000              
Borrowings outstanding     0   0      
Availability under the facility, net of letters of credit issued     90,600,000   $ 90,600,000      
Springing maturity, period prior to any date on which domestic pension contributions in an amount in excess of threshold are required to be paid         91 days      
Springing maturity, date on which pension contributions to pension funds in the United States are required to be paid, threshold excess amount         $ 100,000,000      
Springing maturity, conditions, minimum liquidity         130,000,000      
Amended and Restated ABL Credit Facility | Letter of Credit                
Debt Instrument [Line Items]                
Maximum borrowing capacity $ 40,000,000              
Letters of credit outstanding     $ 9,500,000   $ 9,500,000      
Amended and Restated ABL Credit Facility | Line of Credit | Revolving Credit Facility                
Debt Instrument [Line Items]                
Requirement to maintain minimum fixed charge coverage ratio (in percent)     10.00%   10.00%      
Requirement to maintain minimum fixed charge coverage ratio, availability threshold     $ 12,500,000   $ 12,500,000      
Amount of aggregate default under other debt that would trigger event of default at least     $ 50,000,000.0   $ 50,000,000.0