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Collaboration and License Agreements - Amgen, Inc. (Details) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2016 agreement
--- | --- | --- | ---
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Deferred revenue | $ 2,399,000 | $ 0 |
Amgen | Olpasiran Agreement |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Number of agreements | agreement |  |  | 2
Contract assets | 0 |  |
Deferred revenue | 0 |  |
Amgen | Olpasiran Agreement | Maximum |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Additional remaining development regulatory and sales milestones payments | $ 485,000,000.0 |  |

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