v3.26.1
Long-Term Debt and Other Financing Arrangements - Narrative (Details)
3 Months Ended 6 Months Ended 12 Months Ended 14 Months Ended
Nov. 05, 2024
USD ($)
Jun. 30, 2026
USD ($)
gateway
shares
Mar. 31, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
gateway
shares
Jun. 30, 2025
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
shares
Jan. 01, 2026
USD ($)
Feb. 28, 2023
USD ($)
Dec. 31, 2021
USD ($)
Debt Instrument [Line Items]                        
Prepayment received $ 235,000,000 $ 104,800,000 $ 0           $ 813,400,000      
Service agreement, whole fees payment $ 13,300,000                      
Debt instrument, principal amount   423,692,000     $ 423,692,000       410,022,000      
Repayment period 8 years                      
Gain on contingent interest feature within the 2024 Debt Repayment   4,181,000   $ 0 4,181,000 $ 0            
Proceeds from 2023 Funding Agreement         19,920,000 0            
Other non-current liabilities   $ 462,529,000     462,529,000       $ 451,618,000      
Payment of dividends         $ 5,259,000 $ 5,259,000            
Series A Perpetual Preferred Stock                        
Debt Instrument [Line Items]                        
Debt instrument, principal amount               $ 149,400,000        
Preferred stock, shares issued (in shares) | shares   149,425     149,425     149,425 149,425      
Preferred stock, dividend rate, percentage         7.00%     7.00%        
Preferred stock, liquidation preference (in USD per share) | $ / shares               $ 1,000        
Preferred stock, value   $ 0     $ 0     $ 105,300,000 $ 0      
Payment of dividends         5,300,000              
2023 13% Notes                        
Debt Instrument [Line Items]                        
Loan interest rate             13.00%          
2024 Debt Repayment                        
Debt Instrument [Line Items]                        
Debt instrument, principal amount   221,625,000     221,625,000       221,625,000      
Accrued fees   $ 38,200,000     $ 38,200,000              
Number of milestones achieved under debt repayment | gateway   2     2              
Gain on contingent interest feature within the 2024 Debt Repayment   $ 4,200,000                    
Debt instrument, fair value                   $ 162,800,000    
Debt discount unamortized                   $ 58,800,000    
2023 Funding Agreement                        
Debt Instrument [Line Items]                        
Debt instrument, principal amount   202,067,000     $ 202,067,000       182,147,000      
Debt instrument, fair value   20,800,000     $ 20,800,000              
Partnership agreement, prepayment receivable             $ 252,000,000          
Debt instrument, percentage funded by partner             50.00%          
Proceeds from 2023 Funding Agreement   19,900,000                    
Partnership agreement, repayment period         4 years              
Other non-current liabilities   30,600,000     $ 30,600,000              
Partnership agreement, minimum liquidity requirement                     $ 30,000,000  
Long-term debt, fair value   20,800,000     20,800,000              
2023 Funding Agreement | Balance Sheet Location [Axis]: us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent                        
Debt Instrument [Line Items]                        
Other non-current liabilities   16,500,000     16,500,000              
2023 Funding Agreement | Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent                        
Debt Instrument [Line Items]                        
Other non-current liabilities   14,100,000     14,100,000              
2021 Funding Agreement                        
Debt Instrument [Line Items]                        
Debt instrument, principal amount   $ 0     $ 0       $ 6,250,000     $ 94,200,000
Funding agreement     $ 6,300,000