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Related Party Transactions - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Related Party Transaction [Line Items] |  |  |  |  |
Research and development fees | $ 3,425 | $ 3,355 | $ 6,520 | $ 5,537 |
Related Party | GNI Group |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Research and development fees | 0 | $ 100 | 0 | $ 100 |
Other Receivables | 200 |  | 200 |  | $ 200
Related Party | F351 Agreement | GNI Group |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Due to related parties | $ 200 |  | $ 200 |  | $ 200

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