v3.26.1
Share-based Compensation - Summary of Share Option Activity (Detail) - $ / shares
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Share Incentive Plan 2015 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of share options, Outstanding 53,737 53,737 53,737
Number of share options, Vested 53,737 53,737 53,737
Number of share options, Exercisable 53,737    
Weighted average grant date fair value, Outstanding $ 2.2624 $ 2.2624 $ 2.2624
Weighted average grant date fair value, Vested 2.2624 2.2624 2.2624
Weighted average grant date fair value, Exercisable 2.2624    
Weighted average exercise price, Outstanding 5.8853 5.8853 5.8853
Weighted average exercise price, Vested 5.8853 $ 5.8853 5.8853
Weighted average exercise price, Exercisable $ 5.8853    
Share Incentive Plan 2023 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of share options, Granted 2,370,000 5,519,320  
Number of share options, Exercisable 3,925,600    
Weighted average grant date fair value, Granted $ 7.27 $ 5.1312  
Weighted average grant date fair value, Exercised 5.5448 5.1487  
Weighted average grant date fair value, Forfeited 5.5364 4.7675  
Weighted average grant date fair value, Outstanding 6.1375 5.0436 0
Weighted average exercise price, Granted 0.0001 0.0001  
Weighted average exercise price, Exercised 0.0001 0.0001  
Weighted average exercise price, Forfeited 0.0001 0.0001  
Weighted average exercise price, Outstanding $ 0.0001 $ 0.0001 $ 0
Number of options, Unvested 3,925,600 3,071,250 0
Number of options, Vested (1,299,150) (2,413,570)  
Number of options, Forfeited (216,500) (34,500)