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Earnings (Loss) Per Share - Narrative (Details) |  |  | 12 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2025 USD ($) | May 23, 2025 USD ($) | Dec. 31, 2025 USD ($) tranche vote $ / shares shares | May 31, 2025 USD ($) | Dec. 31, 2024 $ / shares shares | Jun. 04, 2024 shares | Apr. 18, 2024 $ / shares shares | Dec. 31, 2023 $ / shares shares | Oct. 21, 2021 $ / shares | Oct. 20, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Class of warrant or right, number of securities called by each warrant or right | shares |  |  | 1 |  |  |  |  |  |  |
Convertible Senior Notes Due 2030 (Notes) | Convertible Debt |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Loan amount | $ |  | $ 400,000,000.0 | $ 400,000,000.0 | $ 400,000,000.0 |  |  |  |  |  |
Conversion ratio |  | 0.0432751 |  |  |  |  |  |  |  |
Convertible Senior Notes Due 2031 (Notes) | Convertible Debt |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Loan amount | $ |  |  |  | $ 375,000,000.0 |  |  |  |  |  |
Conversion ratio | 0.0346951 | 0.0346951 |  |  |  |  |  |  |  |
Profit Interest 1 |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Profits interest, threshold price (in dollars per share) |  |  | $ 12 |  | $ 14 |  |  | $ 16 | $ 12 |
Profit Interest 2 |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Profits interest, threshold price (in dollars per share) |  |  |  |  |  |  |  |  | 14 |
Profit Interest 3 |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Profits interest, threshold price (in dollars per share) |  |  |  |  |  |  |  |  | $ 16 |
Founder Shares |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Number of equal tranches | tranche |  |  | 3 |  |  |  |  |  |  |
Founder Shares | Minimum |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Number of trading days for determining the value per share |  |  | 20 days |  |  |  |  |  |  |
Founder Shares | Maximum |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Number of trading days for determining the value per share |  |  | 30 days |  |  |  |  |  |  |
Founder Shares | Profit Interest 1 |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Profits interest, threshold price (in dollars per share) |  |  | $ 12.00 |  |  |  |  |  |  |
Founder Shares | Profit Interest 2 |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Profits interest, threshold price (in dollars per share) |  |  | 14.00 |  |  |  |  |  |  |
Founder Shares | Profit Interest 3 |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Profits interest, threshold price (in dollars per share) |  |  | $ 16.00 |  |  |  |  |  |  |
Public Warrants |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Class of warrant or right, number of securities called by each warrant or right | shares |  |  |  |  |  |  | 0.22 |  |  |
Warrant exercise price (in dollars per share) |  |  |  |  |  |  | $ 11.50 |  |  |
Class A Common Stock |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock voting rights | vote |  |  | 1 |  |  |  |  |  |  |
Common stock, convertible, conversion ratio |  |  |  |  |  |  |  |  |  | 1
Class of warrant or right outstanding (in shares) | shares |  |  |  |  |  | 1,768,000 | 18,076,416 | 27,249,779 |  |
Class of warrant or right, number of securities called by each warrant or right | shares |  |  |  |  |  |  |  | 1 |  |
Warrant exercise price (in dollars per share) |  |  |  |  |  |  |  | $ 11.50 |  |
Class A Common Stock | Convertible Senior Notes Due 2030 (Notes) | Convertible Debt |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Principal amount for trading price | $ |  |  | $ 1,000 |  |  |  |  |  |  |
Class A Common Stock | Convertible Senior Notes Due 2031 (Notes) | Convertible Debt |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Loan amount | $ | $ 375,000,000.0 |  | 375,000,000.0 |  |  |  |  |  |  |
Principal amount for trading price | $ |  |  | $ 1,000 |  |  |  |  |  |  |
Class A Common Stock | Public Warrants |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Class of warrant or right outstanding (in shares) | shares |  |  | 0 |  | 0 |  | 3,978,418 | 18,749,779 |  |
Class A Common Stock | Private Warrants |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Class of warrant or right outstanding (in shares) | shares |  |  |  |  |  |  |  | 8,500,000 |  |
Class B Common Stock |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock voting rights | vote |  |  | 1 |  |  |  |  |  |  |
Common stock, convertible, conversion ratio |  |  | 1 |  |  |  |  |  |  |

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