Collaboration, Out-Licensing and Related Agreements - Schedule of Reconciliation of Contract and Financing Liability from ALK Collaboration Agreement (Detail) - ALK Collaboration Agreement [Member] - USD ($) $ in Thousands |
1 Months Ended | 6 Months Ended |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2025 |
|
| Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] | ||
| Balance at December 31, 2024 | $ 2,089 | |
| Revenue recognized under the ALK Collaboration Agreement | (240) | |
| Balance at June 30, 2025 | $ 1,849 | 1,849 |
| ALK Financing Liability [Member] | ||
| Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] | ||
| Balance at December 31, 2024 | 69,383 | |
| Commercial milestone allocated to the EEA License | 2,400 | 2,435 |
| Sales-based royalties earned in the EEA | 141 | |
| Balance at June 30, 2025 | $ 71,959 | $ 71,959 |