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STOCK-BASED COMPENSATION, Assumptions Used to Determine Fair Value of Share Options Granted (Details) - Employee Share Option
3 Months Ended 9 Months Ended
Mar. 31, 2023
Sep. 30, 2023
$ / shares
Sep. 30, 2023
¥ / shares
Dec. 31, 2022
$ / shares
Service Period Based | Minimum        
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract]        
Fair value of common share (in dollars per share)   $ 11.85   $ 16.83
Expected term 5 years 6 months 5 years 6 months    
Expected volatility rate 49.43% 84.95%    
Risk free interest rate 1.70% 4.16%    
Service Period Based | Maximum        
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract]        
Fair value of common share (in dollars per share)   $ 13.89   $ 25.45
Expected term 6 years 3 months 6 years 3 months    
Expected volatility rate 50.87% 86.45%    
Risk free interest rate 3.04% 4.17%    
2023 Stock Option Incentive Plan        
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract]        
Fair value of common share (in dollars per share) | ¥ / shares     ¥ 105.27  
2023 Stock Option Incentive Plan | Minimum        
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract]        
Expected term   1 year 6 months    
Expected volatility rate   60.00%    
Risk free interest rate   1.50%    
2023 Stock Option Incentive Plan | Maximum        
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract]        
Expected term   4 years 6 months    
Expected volatility rate   60.60%    
Risk free interest rate   2.75%