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Nature of the Business - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Jun. 30, 2024
Dec. 31, 2023
Nature Of Business [Line Items]      
Accumulated deficit   $ 2,780,996 $ 2,569,659
Net income from up-front $ 606,100    
Redeemable Convertible Preferred Stock [Member] | Convertible Notes [Member] | Initial Public Offering [Member]      
Nature Of Business [Line Items]      
Accumulated deficit   $ 2,800,000