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Commitments and Contingencies - Additional Information (Detail)
 3 Months Ended 9 Months Ended
Nov. 01, 2021
USD ($)
Sep. 30, 2023
USD ($)
Claim
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
Claim
Sep. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Gain Contingencies [Line Items]            
Aggregate sublease payment receivable $ 3,400,000          
Sublease income   $ 600,000 $ 500,000 $ 1,700,000 $ 1,600,000  
Operating lease right-of-use asset   18,305,000   18,305,000   $ 19,128,000
Lease liabilities   $ 31,508,000   $ 31,508,000    
Weighted average incremental borrowing rate   8.40%   8.40%    
Operating lease costs   $ 500,000 500,000 $ 1,600,000 1,500,000  
Variable lease payments   400,000 $ 100,000 1,100,000 $ 700,000  
Loss contingency accrual   $ 0   $ 0    
Indemnification Agreement [Member]            
Gain Contingencies [Line Items]            
Loss contingency pending claims | Claim   0   0    
Brisbane, California [Member]            
Gain Contingencies [Line Items]            
Operating lease, term of contract   10 years   10 years    
Operating lease, expiration month and year       2031-10    
Operating lease, renewal term   10 years   10 years    
Operating lease right-of-use asset   $ 18,300,000   $ 18,300,000    
Lease liabilities   $ 31,500,000   $ 31,500,000    
Weighted average remaining lease term   8 years 1 month 6 days   8 years 1 month 6 days