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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Summary Of Significant Accounting Policies [Line Items]    
Accounts receivable $ 1,800  
License and collaboration revenue 7,338 $ 20,948
Research and Development Expense    
Summary Of Significant Accounting Policies [Line Items]    
Cost of collaboration revenue $ 6,500 $ 5,400
Software    
Summary Of Significant Accounting Policies [Line Items]    
Estimated useful lives 3 years  
Computer equipment    
Summary Of Significant Accounting Policies [Line Items]    
Estimated useful lives 3 years  
Furniture | Minimum    
Summary Of Significant Accounting Policies [Line Items]    
Estimated useful lives 3 years  
Furniture | Maximum    
Summary Of Significant Accounting Policies [Line Items]    
Estimated useful lives 7 years  
Leasehold improvements | Minimum    
Summary Of Significant Accounting Policies [Line Items]    
Estimated useful lives 3 years  
Leasehold improvements | Maximum    
Summary Of Significant Accounting Policies [Line Items]    
Estimated useful lives 7 years