v3.26.1
Share Based Compensation - Additional Information (Detail)
¥ in Thousands, $ in Thousands
12 Months Ended
Mar. 31, 2026
CNY (¥)
shares
Mar. 31, 2026
USD ($)
shares
Mar. 31, 2025
CNY (¥)
shares
Mar. 31, 2025
USD ($)
shares
Mar. 31, 2024
CNY (¥)
shares
Mar. 31, 2024
USD ($)
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Ordinary shares reserved for issuance | shares 384,111,187   384,111,187      
Options granted for the year | shares 0 0 0 0 0 0
Unrecognized compensation expense ¥ 0   ¥ 0      
IPO            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Sale of stock transaction date Dec. 10, 2018 Dec. 10, 2018        
Restricted Stock Units (RSUs)            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share based award granted, contractual term 10 years 10 years        
Share based award granted, vesting period 4 years 4 years        
Share-based compensation expenses ¥ 16   ¥ 839   ¥ 4,590  
Unrecognized compensation expense, weighted average period recognized 0 years 0 years 4 months 2 days 4 months 2 days    
Unrecognized compensation expense ¥ 0   ¥ 80      
Intrinsic value of RSUs vested ¥ 244   ¥ 1,872   ¥ 2,036  
Employee Stock Option            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share based award granted, contractual term 10 years 10 years        
Share based award granted, vesting period 4 years 4 years        
Share vested term after resignation 15 days 15 days        
Share-based compensation expenses | $   $ 0   $ 0   $ 0