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Collaboration Agreements, License Agreement and Revenues - Summary of Revenue Recognized Under the Collaboration Agreements - Additional Information 4 (Detail) | 6 Months Ended
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Jun. 30, 2024 USD ($)
Europe [Member] | Astellas Agreement [Member] |
Disaggregation of Revenue [Line Items] |
Changes in revenue from changes to estimated variable consideration | $ 0
Total Consideration | 906,297,000
Europe [Member] | Astellas Agreement [Member] | License [Member] |
Disaggregation of Revenue [Line Items] |
Total Consideration | 618,975,000
U.S./RoW and China [Member] |
Disaggregation of Revenue [Line Items] |
Changes in revenue from changes to estimated variable consideration | 0
U.S./RoW and China [Member] | AstraZeneca Agreements [Member] | License [Member] |
Disaggregation of Revenue [Line Items] |
Total Consideration | 344,500,000
U.S./RoW and China [Member] | AstraZeneca Agreements [Member] | Co Development Information Sharing And Committee Services [Member] |
Disaggregation of Revenue [Line Items] |
Total Consideration | 625,500,000
U.S./RoW and China [Member] | AstraZeneca Agreements [Member] | China Performance Obligation [Member] |
Disaggregation of Revenue [Line Items] |
Total Consideration | 427,500,000
U.S./RoW and China [Member] | AstraZeneca Agreements [Member] | Product [Member] |
Disaggregation of Revenue [Line Items] |
Cumulative Revenue | $ 268,900,000

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