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Share-Based Compensation - Additional Information (Details)
¥ / shares in Units, $ / shares in Units, ¥ in Thousands, $ in Thousands
12 Months Ended
Jun. 01, 2023
CNY (¥)
¥ / shares
shares
Feb. 05, 2021
¥ / shares
shares
Feb. 17, 2020
¥ / shares
shares
Jun. 30, 2019
¥ / shares
shares
Jan. 22, 2019
CNY (¥)
shares
Jan. 22, 2019
$ / shares
Feb. 29, 2024
CNY (¥)
¥ / shares
Feb. 29, 2024
USD ($)
Feb. 28, 2023
CNY (¥)
Feb. 28, 2022
CNY (¥)
Feb. 28, 2019
CNY (¥)
Feb. 29, 2024
USD ($)
Jun. 30, 2015
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                          
Shares option granted 1,155,000       460,000                
Shares option granted per share | (per share) ¥ 2         $ 4.6 ¥ 14.40            
Incremental compensation cost | ¥ ¥ 453       ¥ 3,967                
Compensation expense | ¥             ¥ 400       ¥ 127    
Incremental compensation cost amortized over remaining vesting period | ¥ ¥ 53       ¥ 3,840                
Share-based compensation expenses             3,122 $ 434 ¥ 3,168 ¥ 9,002      
Unrecognized compensation cost related to non-vested share options             ¥ 1,830         $ 254  
Unrecognized compensation cost expected to recognized over a weighted-average period             1 year 1 month 24 days 1 year 1 month 24 days          
Directors                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                          
Vesting period   4 years                      
Shares option granted   860,000                      
Weighted average grant date fair value of options granted per share | ¥ / shares   ¥ 13.24                      
Options expiration period   10 years                      
Officers                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                          
Vesting period   4 years                      
Shares option granted   860,000                      
Weighted average grant date fair value of options granted per share | ¥ / shares   ¥ 13.24                      
Options expiration period   10 years                      
Employees                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                          
Vesting period 4 years 4 years 4 years                    
Shares option granted 100,000 860,000 80,000 360,000                  
Weighted average grant date fair value of options granted per share | ¥ / shares ¥ 17.75 ¥ 13.24 ¥ 10.03 ¥ 10.46                  
Options expiration period 10 years 10 years 10 years                    
2015 Option Plan and 2017 Option Plan | Maximum                          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                          
Number of ordinary shares authorized to issue                         4,201,330