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Convertible Senior Notes and Capped Call Transactions - Narrative (Details)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Oct. 07, 2025
shares
Sep. 25, 2025
shares
Sep. 12, 2025
USD ($)
shares
Jun. 13, 2024
USD ($)
Jun. 03, 2024
USD ($)
$ / shares
shares
Mar. 21, 2023
USD ($)
Dec. 31, 2020
USD ($)
Sep. 30, 2025
USD ($)
$ / shares
shares
Jun. 30, 2024
USD ($)
Dec. 31, 2020
USD ($)
day
shares
Mar. 31, 2019
USD ($)
Sep. 30, 2025
USD ($)
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Sep. 30, 2024
USD ($)
Sep. 30, 2025
USD ($)
$ / shares
shares
Sep. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
Oct. 02, 2025
shares
Sep. 12, 2025
$ / shares
Dec. 31, 2023
$ / shares
Debt Instrument [Line Items]                                          
Debt instrument, repurchase amount           $ 149,700,000                              
Debt instrument, increase (decrease), net           157,500,000                              
Gain on debt extinguishment                       $ 0   $ 0 $ 0 $ 73,083,000          
Senior notes (Note 8)               $ 382,411,000       382,411,000 $ 527,070,000   382,411,000   $ 527,070,000        
Number of shares of common stock covered by called caps (shares) | shares                   110,000                      
Reduction to additional paid-in-capital related to called caps                   $ 46,100,000                      
Interest expense                       $ 8,113,000   5,698,000 23,457,000 8,450,000          
Amortization of debt issuance costs and accretion of debt discount                             $ (5,568,000) (3,079,000)          
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares         $ 11.25     $ 7.15       $ 7.15     $ 7.15            
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares         649,782     200,000       200,000     200,000            
Class of Warrant or Right, Beneficial Ownership Limitation, Percentage                 4.99%                        
Class of Warrant or Right, Beneficial Ownership Limitation, Maximum Percentage                 9.99%                        
Warrants and Rights Outstanding         $ 5,300,000     $ 7,400,000       $ 7,400,000     $ 7,400,000            
Fair Value Adjustment of Warrants                             8,758,000 (7,790,000) $ (12,232,000)        
Payments for Repurchase of Warrants               $ 1,300,000             $ 1,297,000 0          
Class of Warrant or Right, Issued | shares                             1,016,974            
Class of Warrant or Right, Exercised | shares               200,000                          
Shares reserved for future issuance | shares               13,333,333,000,000       13,333,333,000,000     13,333,333,000,000            
Temporary Equity, Shares Issued | shares     26,551         26,551       26,551 26,551   26,551   26,551        
Temporary Equity, Par or Stated Value Per Share | $ / shares               $ 0.001       $ 0.001 $ 0.001   $ 0.001   $ 0.001        
Preferred Stock, Ownership Cap               9.90%       9.90%     9.90%            
Preferred Stock, Convertible, Conversion Ratio               58.2968       58.2968     58.2968            
Debt Redemption Rate               105.00%       105.00%     105.00%            
Subsequent Event                                          
Debt Instrument [Line Items]                                          
Shares reserved for future issuance | shares                                     20,000,000    
Conversion of Stock, Shares Issued | shares 1,547,840                                        
Stock Issued During Period, Shares, New Issues | shares 1,547,840                                        
Other Income                                          
Debt Instrument [Line Items]                                          
Fair Value Adjustment of Warrants                       $ 2,900,000   $ 7,800,000 $ 8,800,000 7,800,000          
Share-Settled Warrants                                          
Debt Instrument [Line Items]                                          
Warrants and Rights Outstanding, Term         10 years                                
Cash-Settled Warrants                                          
Debt Instrument [Line Items]                                          
Warrants and Rights Outstanding, Term         10 years                                
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares         $ 11.25                                
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares         156,318                                
Class of Warrant or Right, Available Cash         $ 100,000,000                                
Class of Warrant or Right, Settlement Amount, Annualized Interest Rate                 6.00%                        
Debt Instrument, Redemption, Period One                                          
Debt Instrument [Line Items]                                          
Preferred Stock, Dividend Rate, Percentage                             15.00%            
Preferred Stock, Liquidation Preference, Rate               100.00%       100.00%     100.00%            
Debt Instrument, Redemption, Period Two                                          
Debt Instrument [Line Items]                                          
Preferred Stock, Liquidation Preference, Rate               150.00%       150.00%     150.00%            
Debt Instrument, Redemption, Period Three                                          
Debt Instrument [Line Items]                                          
Preferred Stock, Dividend Rate, Percentage                             0.00%            
Debt Instrument, Redemption, Period Four                                          
Debt Instrument [Line Items]                                          
Preferred Stock, Dividend Rate, Percentage                             20.00%            
Convertible Debt                                          
Debt Instrument [Line Items]                                          
Debt Issuance Costs, Net               $ 6,589,000       $ 6,589,000 $ 10,122,000   $ 6,589,000   $ 10,122,000        
Principal               416,451,000       416,451,000 568,329,000   416,451,000   568,329,000        
Unamortized issuance costs               (27,451,000)       (27,451,000) (31,137,000)   (27,451,000)   (31,137,000)        
Long-Term Debt               382,411,000       382,411,000 527,070,000   382,411,000   527,070,000        
2024 Notes                                          
Debt Instrument [Line Items]                                          
Debt instrument, increase (decrease), net           228,300,000                              
Repayments of Convertible Debt                             0 72,491,000          
Unamortized issuance costs                         0       0        
Long-Term Debt           72,000,000.0                              
2024 Notes | Convertible Debt                                          
Debt Instrument [Line Items]                                          
Debt Instrument, Face Amount           $ 72,500,000         $ 230,000,000.0                    
Debt Issuance Costs, Net                         2,757,000       2,757,000        
Principal                         361,204,000       361,204,000        
Unamortized issuance costs                         0       0        
Debt Instrument, Convertible, Conversion Ratio                     0.0259182                    
Long-Term Debt                         358,447,000       358,447,000        
2026 Notes                                          
Debt Instrument [Line Items]                                          
Debt Instrument, Face Amount     $ 341,100,000                                    
Debt instrument, repurchase amount       $ 10,300,000                                  
Gain on debt extinguishment                         5,000,000                
Senior notes (Note 8)               20,000,000.0       20,000,000.0     20,000,000.0            
Repayments of Convertible Debt       $ 4,900,000                     0 $ 4,901,000          
Unamortized issuance costs               0       0 (31,137,000)   0   (31,137,000)        
Exchange Closing Date Principal               341,100,000       341,100,000     341,100,000            
Exchange Closing Date, Discount               1,700,000       1,700,000     1,700,000            
Exchange Closing Date, Net               339,400,000       339,400,000     339,400,000            
2026 Notes | Debt Instrument, Redemption, First Lien Convertible Notes                                          
Debt Instrument [Line Items]                                          
Debt Covenant, Amount Outstanding               60,000,000       60,000,000     60,000,000            
2026 Notes | Investor                                          
Debt Instrument [Line Items]                                          
Debt Instrument, Face Amount         146,000,000               146,000,000       146,000,000        
2026 Notes | Convertible Debt                                          
Debt Instrument [Line Items]                                          
Debt Instrument, Face Amount             $ 517,500,000 20,100,000   $ 517,500,000   20,100,000     20,100,000     $ 517,500,000      
Proceeds from debt offering, net of debt issuance costs                                   505,300,000      
Percentage of principal amount paid if repurchase due to fundamental change (percent)                   100.00%                      
Threshold trading days in consideration of note conversion | day                   20                      
Threshold consecutive trading days in analysis of conversion price | day                   30                      
Threshold percentage of stock price if converted                   130.00%                      
Debt Instrument, Convertible Business Period             5 years                            
Debt Instrument, Convertible, Measurement Period             5 years                            
Threshold for five day period, product of sale price of common stock and conversion rate of notes                   98.00%                      
Debt Issuance Costs, Net               $ 94,000       $ 94,000 7,365,000   $ 94,000   7,365,000        
Remaining amortization period for debt discount and debt issuance costs               1 year 2 months 1 day       1 year 2 months 1 day     1 year 2 months 1 day            
Principal               $ 20,125,000       $ 20,125,000 207,125,000   $ 20,125,000   207,125,000        
Unamortized issuance costs               $ 0       $ 0 (31,137,000)   $ 0   (31,137,000)        
Debt Instrument, Interest Rate, Effective Percentage               0.40%       0.40%     0.40%            
Debt Instrument, Convertible, Conversion Ratio             0.0132933               0.08862            
Long-Term Debt             $ 20,100,000 $ 20,031,000   $ 20,100,000   $ 20,031,000 168,623,000   $ 20,031,000   168,623,000 $ 20,100,000      
Capped calls                                          
Debt Instrument [Line Items]                                          
Capped caps initial cap price (in dollars per share) | $ / shares                                         $ 1,583,700,000
Convertible Senior Notes Due 2029                                          
Debt Instrument [Line Items]                                          
Debt Instrument, Face Amount                         50,000,000       50,000,000        
Unamortized issuance costs               (27,451,000)       (27,451,000)     (27,451,000)            
Convertible Senior Notes Due 2029 | Debt Instrument, Redemption, First Lien Convertible Notes                                          
Debt Instrument [Line Items]                                          
Percentage of principal amount paid if repurchase due to fundamental change (percent)                 100.00%                        
Debt Instrument, Redemption Price, Discount Percentage, Basis Points                 0.0050                        
Convertible Senior Notes Due 2029 | Investor                                          
Debt Instrument [Line Items]                                          
Debt Instrument, Face Amount                         100,000,000       100,000,000        
Debt instrument, repurchase amount                         50,000,000       50,000,000        
Class of Warrant Or Right, Additional Amount Authorized For Purchase         $ 50,000,000                                
Convertible Senior Notes Due 2029 | Convertible Debt                                          
Debt Instrument [Line Items]                                          
Debt Instrument, Face Amount               214,400,000 $ 150,000,000     214,400,000     214,400,000            
Debt Issuance Costs, Net               $ 6,495,000       $ 6,495,000     $ 6,495,000            
Remaining amortization period for debt discount and debt issuance costs               3 years 8 months 12 days       3 years 8 months 12 days     3 years 8 months 12 days            
Debt issuance costs attributable to liability                         7,600,000       7,600,000        
Long-Term Debt, Fair Value                         118,100,000       118,100,000        
Debt Instrument, Discount, Gross                         31,900,000       $ 31,900,000        
Principal               $ 214,374,000       $ 214,374,000     $ 214,374,000            
Amortization of debt issuance costs and accretion of debt discount                 $ (6,500,000)                        
Unamortized issuance costs               $ (27,451,000)       $ (27,451,000)     $ (27,451,000)            
Debt Instrument, Interest Rate, Effective Percentage               19.13%       19.13%     19.13%            
Long-Term Debt               $ 180,428,000       $ 180,428,000     $ 180,428,000            
Convertible Senior Notes Due 2029 | Convertible Debt | Debt Conversion Terms One                                          
Debt Instrument [Line Items]                                          
Threshold percentage of stock price if converted                 130.00%                        
Convertible Senior Notes Due 2029 | Convertible Debt | Debt Conversion Terms Two                                          
Debt Instrument [Line Items]                                          
Threshold for five day period, product of sale price of common stock and conversion rate of notes                 98.00%                        
Convertible Senior Notes Due 2029 | Convertible Debt | Earlier Of The Date of Issuance of Delayed Draw Notes And December 15. 2026                                          
Debt Instrument [Line Items]                                          
Debt instrument stated rate (percent)         10.83%                                
Debt Instrument, Interest Rate, Stated Percentage, Cash         4.17%                                
Debt Instrument, Interest Rate, Stated Percentage, Paid In Kind         6.66%                                
Convertible Senior Notes Due 2029 | Convertible Debt | From Date of Issuance of Delayed Draw Notes And Prior to December 15, 2026                                          
Debt Instrument [Line Items]                                          
Debt instrument stated rate (percent)         11.375%                                
Debt Instrument, Interest Rate, Stated Percentage, Cash         4.375%                                
Debt Instrument, Interest Rate, Stated Percentage, Paid In Kind               7.00%       7.00%     7.00%            
Convertible Senior Notes Due 2029 | Convertible Debt | On Or After December 15, 2026                                          
Debt Instrument [Line Items]                                          
Debt instrument stated rate (percent)         13.00%                                
Debt Instrument, Interest Rate, Stated Percentage, Cash         5.00%                                
Debt Instrument, Interest Rate, Stated Percentage, Paid In Kind         8.00%                                
Debt Instrument, Interest Rate, Effective Percentage               13.28%       13.28%     13.28%            
Convertible Senior Notes Due 2029 | Convertible Debt | Debt Instrument, Redemption, Period One                                          
Debt Instrument [Line Items]                                          
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed                 106.50%                        
Convertible Senior Notes Due 2029 | Convertible Debt | Debt Instrument, Redemption, Period Two                                          
Debt Instrument [Line Items]                                          
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed                 103.25%                        
Convertible Senior Notes Due 2029 | Convertible Debt | Debt Instrument, Redemption, Period Three                                          
Debt Instrument [Line Items]                                          
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed                 113.00%                        
Convertible Senior Notes Due 2029 | Convertible Debt | Debt Instrument, Redemption, Fundamental Change                                          
Debt Instrument [Line Items]                                          
Percentage of principal amount paid if repurchase due to fundamental change (percent)                 100.00%                        
Debt Instrument, Redemption Price, Discount Percentage, Basis Points                 0.0050                        
Debt Instrument, Redemption Price, Remaining Future Interest Payments, Percentage                 66.00%                        
Exchange and Purchase Agreement                                          
Debt Instrument [Line Items]                                          
Gain on debt extinguishment                         $ 68,100,000                
10.0% Second Lien Senior Subordinated Secured Notes due 2029                                          
Debt Instrument [Line Items]                                          
Debt Instrument, Face Amount               $ 115,000,000       $ 115,000,000     $ 115,000,000            
Exchange Closing Date, Discount               182,000,000       182,000,000     182,000,000            
Debt, Undiscounted               115,000,000       115,000,000     115,000,000            
Debt Interest Maximum               58,700,000       58,700,000     58,700,000            
Redemption Premium                             8,300,000            
10.0% Second Lien Senior Subordinated Secured Notes due 2029 | Conditional Rate                                          
Debt Instrument [Line Items]                                          
Debt instrument stated rate (percent)     6.00%                                    
10.0% Second Lien Senior Subordinated Secured Notes due 2029 | Convertible Debt                                          
Debt Instrument [Line Items]                                          
Debt Issuance Costs, Net               0       0     0            
Debt Instrument, Covenant, Maximum Amount, Junior In Lien Priority     $ 150,000,000                                    
Debt Instrument, Covenant, Minimum Required Cash Balance     $ 20,100,000                                    
Principal               181,952,000       181,952,000     181,952,000            
Unamortized issuance costs               0       0     0            
Long-Term Debt               $ 181,952,000       $ 181,952,000     $ 181,952,000            
10.0% Second Lien Senior Subordinated Secured Notes due 2029 | Convertible Debt | Debt Instrument, Redemption, Period Two                                          
Debt Instrument [Line Items]                                          
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed     102.50%                                    
10.0% Second Lien Senior Subordinated Secured Notes due 2029 | Convertible Debt | Debt Instrument, Redemption, Period Three                                          
Debt Instrument [Line Items]                                          
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed     100.00%                                    
10.0% Second Lien Senior Subordinated Secured Notes due 2029 | Convertible Debt | Debt Instrument, Redemption, Fundamental Change                                          
Debt Instrument [Line Items]                                          
Percentage of principal amount paid if repurchase due to fundamental change (percent)     105.00%                                    
September 2025 Debt Exchange                                          
Debt Instrument [Line Items]                                          
Debt Instrument, Face Amount     $ 115,000,000.0                                    
Debt instrument stated rate (percent)     10.00%                                    
Temporary Equity, Shares Issued | shares     26,551                                    
Proceeds from Issuance of Secured Debt     $ 45,000,000                                    
Stock Issued During Period, Shares, New Issues | shares   143,192 3,555,596                                    
Temporary Equity, Par or Stated Value Per Share | $ / shares                                       $ 0.001