Royalty Financing Agreement - Movement in the liability (Details) - USD ($) $ in Thousands |
9 Months Ended | ||
|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Dec. 31, 2024 |
|
| CSL Behring collaboration | |||
| Balance as of December 31, 2024 | $ 434,930 | ||
| Interest expense for the period | 29,209 | $ 33,107 | |
| Balance as of September 30, 2025 | 465,507 | ||
| Liability owed to the Purchaser (presented as "Accrued expense and other current liabilities") | 3,583 | $ 4,951 | |
| Royalty Financing Agreement | |||
| CSL Behring collaboration | |||
| Balance as of December 31, 2024 | 439,881 | ||
| Royalty payments to the Purchaser | (11,675) | ||
| Interest expense for the period | 40,884 | ||
| Balance as of September 30, 2025 | $ 469,090 | ||