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Commitments and Contingencies - Additional Information (Detail) - CNY (¥)
¥ in Thousands
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Other Commitments [Line Items]      
The rental expenses ¥ 27,942 ¥ 28,289 ¥ 28,439
Loss contingency accrual 0    
Office Building [Member]      
Other Commitments [Line Items]      
Purchase Obligation ¥ 62,700