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Collaboration and License Agreements - AbbVie Ireland Unlimited Company - Additional Information (Details) $ in Thousands | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2020 | Jun. 30, 2019 USD ($) | Apr. 30, 2016 USD ($) Target Agreement | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Mar. 31, 2017 Target
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Type of Revenue [Extensible List] |  |  |  | us-gaap:LicenseAndServiceMember | us-gaap:LicenseAndServiceMember |  |  |
Deferred revenue |  |  |  | $ 94,063 | $ 212,315 |  | $ 301,326 |
AbbVie Ireland Unlimited Company | Collaborative Arrangement |  |  |  |  |  |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Number of collaboration agreements | Agreement |  |  | 2 |  |  |  |  |
AbbVie Ireland Unlimited Company | CD71 Agreement |  |  |  |  |  |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Milestone payments received |  |  | $ 100,000 |  |  |  |  |
Deferred revenue |  |  |  |  |  | $ 4,000 |  |
AbbVie Ireland Unlimited Company | CD71 Agreement | Transferred over Time |  |  |  |  |  |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Type of Revenue [Extensible List] | us-gaap:LicenseAndServiceMember |  |  |  |  |  |  |
AbbVie Ireland Unlimited Company | Discovery Agreement |  |  |  |  |  |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Upfront payment received |  |  | $ 10,000 |  |  |  |  |
Number of targets selected | Target |  |  |  |  |  |  |  | 1
AbbVie Ireland Unlimited Company | Discovery Agreement | Second Target |  |  |  |  |  |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Milestone payments received |  | $ 10,000 |  |  |  |  |  |
AbbVie Ireland Unlimited Company | Discovery Agreement | Maximum |  |  |  |  |  |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Number of targets | Target |  |  | 2 |  |  |  |  |

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