v3.26.1
Stock Option Plans - Additional Information (Detail) - Stock options [Member] - USD ($)
6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Intrinsic value of options outstanding $ 15,000,000 $ 0
Unrecognized compensation expense $ 18,000,000  
Unrecognized compensation expense, term 3 years