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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 |

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