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Collaboration and License Agreement - Additional Information (Details) - Bristol-Myers Squibb Company - USD ($) | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2020 | May 30, 2020 | Jun. 30, 2022 | Dec. 31, 2021 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | May 31, 2020
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Non-refundable upfront payment received |  |  | $ 50,000,000 |  |  | $ 50,000,000 |  |
Options to License Druggable Target Lesions |  |  |  |  |  |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Non-refundable upfront payment received |  |  | 31,148,000 |  |  | 31,148,000 |  |
Collaboration and License Agreement |  |  |  |  |  |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Collaboration term expiration period |  | 42 months |  |  |  |  |  |
Initial nonrefundable upfront fee received | $ 50,000,000.0 |  |  |  |  |  |  |
Non-refundable upfront payment received |  |  |  |  |  |  |  | $ 50,000,000.0
Deferred revenue recognized |  |  | 700,000 |  | $ 300,000 | 1,100,000 | $ 400,000 |
Revenue Recognized |  |  | 0 | $ 6,500,000 | $ 0 | 0 | $ 0 |
Deferred revenue |  |  | 41,400,000 | 42,500,000 |  | 41,400,000 |  |
Deferred revenue, current |  |  | 2,800,000 | 2,900,000 |  | 2,800,000 |  |
Deferred revenue, noncurrent |  |  | $ 38,600,000 | $ 39,600,000 |  | $ 38,600,000 |  |
Collaboration and License Agreement | Maximum |  |  |  |  |  |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Milestone payments entitled to be received |  |  |  |  |  |  |  | 301,000,000.0
Collaboration and License Agreement | Maximum | Research, Development and Regulatory Milestones |  |  |  |  |  |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Milestone payments entitled to be received |  |  |  |  |  |  |  | 176,000,000.0
Collaboration and License Agreement | Maximum | Commercial Milestones |  |  |  |  |  |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |  |  |  |  |  |
Milestone payments entitled to be received |  |  |  |  |  |  |  | $ 125,000,000.0

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