v3.26.1
Share-Based Compensation - Share options activity (Details) - 2024 Share Incentive Plan - $ / shares
12 Months Ended
Mar. 22, 2024
Dec. 31, 2025
Dec. 31, 2024
Number of share options      
Share options outstanding as of January 1, 2025 (in shares)   916,200  
Granted (in shares) 916,200    
Forfeited (in shares)   29,952  
Share options outstanding as of December 31, 2025 (in shares)   886,248 916,200
Share options exercisable as of December 31, 2025 (in shares)   292,462  
Weighted Average Exercise Price      
Outstanding at beginning of the year (US$ per share)   $ 21.88  
Outstanding at end of the year (US$ per share)   21.88 $ 21.88
Share options exercisable as of December 31, 2025 (US$ per share)   $ 21.88  
Weighted Average Remaining Contractual Life (Years)   8 years 2 months 23 days 9 years 2 months 23 days
Weighted Average Remaining Contractual Life (Years)   8 years 2 months 23 days