v3.26.1
Common Stock - Summary of Restricted Stock Unit Award Activity (Detail) - Restricted Stock Unit [Member] - $ / shares
6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Number of Shares, Beginning Balance 14,479,065 1,084,330
Number of Shares, Granted 13,507,235  
Number of Shares, Cancelled/Forfeited (112,500)  
Number of Shares, Ending Balance 14,479,065 1,084,330
Weighted-average grant-date fair value $ 4.08 $ 3.76
Weighted-Average Grant Date Fair Value, Granted 4.25  
Weighted-Average Grant Date Fair Value, Cancelled/Forfeited 3.63  
Weighted-Average Grant Date Fair Value, Ending Balance $ 4.08 $ 3.76