v3.25.2
Summary of Significant Accounting Polices - Schedule of Estimated Useful Lives of Property and Equipment (Detail)
 12 Months Ended
Mar. 31, 2025
Building | Minimum  
Property, Plant and Equipment [Line Items]  
Property and equipment, estimated useful lives 20 years
Building | Maximum  
Property, Plant and Equipment [Line Items]  
Property and equipment, estimated useful lives 46 years
Electronic Equipment  
Property, Plant and Equipment [Line Items]  
Property and equipment, estimated useful lives 3 years
Furniture and Office Equipment  
Property, Plant and Equipment [Line Items]  
Property and equipment, estimated useful lives 5 years
Computer Software | Minimum  
Property, Plant and Equipment [Line Items]  
Property and equipment, estimated useful lives 3 years
Computer Software | Maximum  
Property, Plant and Equipment [Line Items]  
Property and equipment, estimated useful lives 10 years
Vehicles  
Property, Plant and Equipment [Line Items]  
Property and equipment, estimated useful lives 5 years
Leasehold Improvements  
Property, Plant and Equipment [Line Items]  
Property and equipment, estimated useful lives Shorter of the expected use life or the lease term