v3.26.1
Subsequent Events - Additional Information (Detail)
¥ in Thousands, $ in Thousands
1 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
shares
Feb. 28, 2026
CNY (¥)
Dec. 31, 2025
shares
Dec. 31, 2024
shares
Dec. 31, 2023
shares
Restricted Stock Units (RSUs) [Member]          
Subsequent Event [Line Items]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period     2,030,000 2,305,100 6,114,000
Share based compensation arrangement by share based payment award option non option equity instruments granted fair value | $ $ 9,587        
Employee Stock Option [Member]          
Subsequent Event [Line Items]          
Share based compensation arrangement by share based payment award option non option equity instruments granted fair value | $ $ 12,234        
Subsequent Event [Member]          
Subsequent Event [Line Items]          
Payments to acquire equity method investments | ¥   ¥ 12,500      
Subsequent Event [Member] | Restricted Stock Units (RSUs) [Member]          
Subsequent Event [Line Items]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period 2,100,000        
Subsequent Event [Member] | Employee Stock Option [Member]          
Subsequent Event [Line Items]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period 2,680,000