v3.26.1
Share-Based Compensation - Schedule of Assumptions Used to Estimate Fair Value of Stock Options Granted (Detail) - $ / shares
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk-free interest rate of return, minimum 4.44% 4.43% 4.24%
Risk-free interest rate of return, maximum 5.21% 5.22% 5.66%
Expected term 6 years 6 years 6 years
Volatility, minimum 60.70% 62.50% 62.50%
Volatility, maximum 62.30% 64.20% 66.10%
Dividend yield   3.50% 0.00%
Exercise price $ 0.0002 $ 0.0002 $ 0.0002
Tantan Limited [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Risk-free interest rate of return     5.45%
Expected term     10 years
Volatility     56.60%
Exercise price     $ 0.0001
Minimum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Dividend yield 3.40%    
Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Dividend yield 3.50%