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Development Liability - Additional Information (Detail) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
May 13, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |  |  |
Proceeds from credit facility |  |  |  |  | $ 365,454
Loss on extinguishment of development liability |  |  | $ 1,949 |  | 1,949
Interest expense |  | $ 11,152 | $ 9,359 | $ 22,201 | $ 16,326
Sixth Financing Agreement [Member] |  |  |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |  |  |
Proceeds from credit facility | $ 326,500 |  |  |  |

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