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Related-Party Transactions - Additional Information (Detail) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Jun. 30, 2019
Dec. 31, 2021
Dec. 31, 2020
Related Party Transaction [Line Items]      
Common stock, outstanding   69,698,844 38,183,273
Ginkgo Bioworks, Inc.      
Related Party Transaction [Line Items]      
Common stock, outstanding     6,340,771
Prepayment to related party for collaboration agreement $ 30.0    
Related party transaction collaboration agreement, initial term 5 years    
Current pre-paid research and development   $ 1.9  
Non-current pre-paid research and development   9.3  
Prepaid research and development expenses   $ 2.4