License and Collaboration Agreements - Summary of Accounts Receivable, Contract Assets and Deferred Revenue (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Accounts receivable, current and non-current: | ||||
| Balance, beginning of period | $ 107,189 | $ 21,783 | $ 28,691 | $ 20,947 |
| Balance, end of period | 8,986 | 28,112 | 8,986 | 28,112 |
| Contract assets (included in other current assets): | ||||
| Balance, beginning of period | 523 | 28 | 104 | 239 |
| Balance, end of period | 372 | 93 | 372 | 93 |
| Deferred revenue, current and non-current: | ||||
| Balance, beginning of period | 25,286 | 37,781 | 29,395 | 115 |
| Balance, end of period | 22,206 | 34,381 | 22,206 | 34,381 |
| Revenue recognized during the period from: | ||||
| Amounts included in deferred revenue at beginning of period | 3,080 | 3,401 | 7,189 | 115 |
| Performance obligations satisfied in previous periods | $ 6,189 | $ 23,590 | $ 116,998 | $ 59,010 |