Share-Based Payments - Schedule of Share-based Compensation Expense (Details) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|---|
Jul. 31, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Share-based payments | |||||
| Share-based compensation expense | $ 8,933 | $ 30,745 | $ 26,053 | $ 46,320 | |
| Sage Acquisition | |||||
| Share-based payments | |||||
| Share-based compensation expense | $ 22,900 | ||||
| Income Statement Location [Axis]: us-gaap:ResearchAndDevelopmentExpense | |||||
| Share-based payments | |||||
| Share-based compensation expense | 1,525 | 1,446 | 4,449 | 4,337 | |
| Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | |||||
| Share-based payments | |||||
| Share-based compensation expense | $ 7,408 | $ 29,299 | $ 21,604 | $ 41,983 | |