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Net Loss Per Share Attributable to Common Stockholders - Additional Information (Detail) - shares
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Unvested Restricted Stock, Restricted Stock Units And Performance Stock Units [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities 71,697,040 61,732,537