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Deferred Revenue - Additional Information (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2024
Sep. 30, 2024
Dec. 31, 2023
Disaggregation Of Revenue [Line Items]      
Current deferred revenue $ 51,856 $ 51,856 $ 48,630
Non-current deferred revenue 32,781 32,781 44,793
Revenue recognized 27,400 (45,283)  
Development Revenue | Genentech, Inc.      
Disaggregation Of Revenue [Line Items]      
Current deferred revenue 14,100 14,100 13,600
Non-current deferred revenue $ 30,700 $ 30,700 $ 41,100