Stock-Based Compensation - Schedule of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Jul. 20, 2026 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||||
| Stock-based compensation expense | $ 41,944 | $ 2,831 | $ 47,581 | $ 7,845 | |
| RSUs | |||||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||||
| Stock-based compensation expense | $ 39,700 | ||||
| Income Statement Location [Axis]: us-gaap:GeneralAndAdministrativeExpense | |||||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||||
| Stock-based compensation expense | 30,921 | 1,505 | 33,982 | 3,818 | |
| Income Statement Location [Axis]: us-gaap:ResearchAndDevelopmentExpense | |||||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | |||||
| Stock-based compensation expense | $ 11,023 | $ 1,326 | $ 13,599 | $ 4,027 | |