v3.26.1
SHARE-BASED COMPENSATION - Tandem award (Details)
¥ / shares in Units, ¥ in Thousands
1 Months Ended 12 Months Ended
May 31, 2022
$ / shares
shares
Dec. 31, 2025
CNY (¥)
¥ / shares
shares
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Share-Based Compensation Arrangement by Share-Based Payment Award        
Number of options granted | shares   1,572,958    
Exercise price | ¥ / shares   ¥ 23.37    
Compensation expenses to options granted | ¥   ¥ 114,652 ¥ 116,064 ¥ 234,624
Tandem award        
Share-Based Compensation Arrangement by Share-Based Payment Award        
Number of options granted | shares 60,000      
Exercise price | $ / shares $ 18.65      
Vesting term 4 years      
Vesting percentage 25.00%      
Cash payment per share for any options vested but not exercised | $ / shares $ 8      
Expiration period 4 years      
Compensation expenses to options granted | ¥   ¥ 0 ¥ 0 ¥ 666