v3.26.1
Loan Receivables - Summary of Movement of Allowance for Credit Losses (Detail) - CNY (¥)
¥ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Financing Receivable, Allowance for Credit Loss [Line Items]      
Balance at beginning of year ¥ (4,633) ¥ (3,949) ¥ (28,665)
Provisions (677) (684) (167)
Write-off     26,195
Balance at end of year ¥ (5,310) (4,633) (3,949)
Cumulative Effect, Period of Adoption, Adjustment [Member]      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Balance at beginning of year   ¥ (1,312)  
Balance at end of year     ¥ (1,312)