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Collaboration and License Agreements - Janssen Pharmaceuticals, Inc. (Details) | Oct. 03, 2018 USD ($) bundle obligation | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($)
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Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Development, regulatory and sales milestones payments |  | $ 2,800,000,000 |
Deferred revenue |  | 866,000 | $ 74,099,000
JJDC | Collaboration and License agreements |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Upfront payment | $ 175,000,000 |  |
JJDC | Common Stock Purchase Agreement | Collaboration and License agreements |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Proceeds from the sale of future royalties | 75,000,000 |  |
Janssen | Collaboration and License agreements |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Milestone payment | $ 73,000,000 |  |
Number of distinct bundle | bundle | 1 |  |
Number of distinct performance obligations | obligation | 1 |  |
Initial transaction price | $ 252,700,000 |  |
Janssen | Collaboration and License agreements | Maximum |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Development, regulatory and sales milestones payments | 825,000,000 |  |
Janssen | JNJ-3989 Agreement |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Milestone payment | $ 25,000,000 |  |
Contract assets |  | 0 |
Deferred revenue |  | $ 0 |

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