v3.26.1
SHARE-BASED PAYMENTS, Share incentive plan (Details) - shares
1 Months Ended 12 Months Ended
Dec. 31, 2022
Jan. 31, 2019
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award          
Term of share award plan   10 years      
Number of options, Granted     0 0 0
Employee Stock Option          
Share-Based Compensation Arrangement by Share-Based Payment Award          
Number of ordinary shares reserved   19,684,555      
Contractual term   10 years      
Annual increase of shares on total number of issued and outstanding shares on the last day of the immediately preceding fiscal year (in percent)   2.00%      
Number of options, Granted 4,868,000        
Employee Stock Option | Minimum          
Share-Based Compensation Arrangement by Share-Based Payment Award          
Vesting period (in years) 0 years        
Employee Stock Option | Maximum          
Share-Based Compensation Arrangement by Share-Based Payment Award          
Vesting period (in years) 4 years