Property and Equipment, Net - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Property Plant And Equipment [Line Items] | ||
| Total property and equipment | $ 200,979 | $ 198,627 |
| Less accumulated depreciation | (99,732) | (94,127) |
| Property and equipment, net | 101,247 | 104,500 |
| Leasehold Improvements | ||
| Property Plant And Equipment [Line Items] | ||
| Total property and equipment | 111,446 | 110,760 |
| Lab Equipment | ||
| Property Plant And Equipment [Line Items] | ||
| Total property and equipment | 77,681 | 77,038 |
| Furniture and Fixtures | ||
| Property Plant And Equipment [Line Items] | ||
| Total property and equipment | 4,836 | 4,836 |
| Computer Equipment | ||
| Property Plant And Equipment [Line Items] | ||
| Total property and equipment | 3,170 | 3,170 |
| Construction in Process | ||
| Property Plant And Equipment [Line Items] | ||
| Total property and equipment | $ 3,846 | $ 2,823 |