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Deferred Revenue - Additional Information (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2022
Sep. 30, 2022
Dec. 31, 2021
Disaggregation Of Revenue [Line Items]      
Current deferred revenue $ 67,892 $ 67,892 $ 80,460
Non-current deferred revenue 67,300 67,300 98,750
Revenue recognized 58,000 (72,012)  
Development Revenue | Genentech, Inc.      
Disaggregation Of Revenue [Line Items]      
Current deferred revenue 39,600 39,600 56,100
Non-current deferred revenue $ 64,000 $ 64,000 $ 94,000