Inventory (Additional Information) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Inventory [Line Items] | ||||
| Inventory write-downs | $ 11.6 | $ 0.0 | $ 11.6 | $ 0.0 |
| PMO Products [Member] | ||||
| Inventory [Line Items] | ||||
| Inventory operating cycle | 2 years | 2 years | ||
| ELEVIDYS [Member] | ||||
| Inventory [Line Items] | ||||
| Inventory operating cycle | 3 years 6 months | 3 years 6 months | ||