Collaboration, License, and Other Agreements - Other Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Revenue from Contract with Customer [Abstract] | ||||
| Acquired in-process research and development | $ 127.0 | $ 10.0 | $ 228.9 | $ 22.3 |