Restricted Net Assets - Additional Information (Detail) - CNY (¥) ¥ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Restricted Net Assets [Line Items] | |||
| Minimum percentage, appropriation to the statutory surplus fund of the after-tax profits | 10.00% | ||
| Maximum percentage of the registered capital where appropriation is not required | 50.00% | ||
| Amount of restricted net assets of consolidated and unconsolidated subsidiaries | ¥ 285,152 | ||
| Statutory Reserves | |||
| Restricted Net Assets [Line Items] | |||
| Appropriations to statutory surplus fund and other reserve funds | ¥ 2,757 | ¥ 3,374 | ¥ 0 |