v3.26.1
Nature of the Business and Basis of Presentation - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]              
Net loss $ 96,405 $ 97,352 $ 73,529 $ 71,986 $ 193,757 $ 145,515  
Accumulated deficit $ 1,382,177       $ 1,382,177   $ 1,188,420