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Leases - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Jul. 01, 2021
Dec. 31, 2021
Dec. 31, 2020
Lessee, Lease, Description [Line Items]      
Sublease agreement description   On July 1, 2021, the Company entered into a sublease agreement for additional office space in Seattle, Washington. The commencement date of the sublease was August 1, 2021. The contractual term of the sublease is two years with an option to extend for one additional year and an option to terminate after one year subject to a termination fee.  
Contractual term of sublease 2 years    
Option to Extend option to extend for one additional year    
Option to Terminate option to terminate after one year subject to a termination fee    
Annual minimum rent payable $ 0.3    
Right-of-use asset obtained in exchange for operating lease liability $ 0.6 $ 3.1  
Operating Lease Weighted Average Remaining Lease Term   4 years 8 months 12 days 1 year 9 months 18 days
Operating Lease Weighted Average Discount Rate   7.50% 8.50%