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Balance Sheet Account Details - Schedule of Property and Equipment are Stated at Cost (Detail) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]      
Property and equipment $ 24,569 $ 10,087 $ 4,786
Less: accumulated depreciation and amortization (5,194) (3,292) (1,306)
Total 19,375 6,795 3,480
Lab and office equipment [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment 6,443 6,410 3,872
Leasehold improvements [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment 17,639 3,495 732
Computer equipment and software [Member]      
Property, Plant and Equipment [Line Items]      
Property and equipment $ 487 $ 182 $ 182