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Convertible Redeemable Preferred Shares - Additional Information (Detail) - CNY (¥) ¥ in Thousands	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2019
Temporary Equity [Line Items]
Deemed dividend to holders of mezzanine equity		¥ 89,076
Preferred Stock, Accretion of Redemption Discount		¥ 509,904
Preferred Stock [Member]
Temporary Equity [Line Items]
Deemed dividend to holders of mezzanine equity	¥ 89,076

X

- Definition

The amount of accretion of the preferred stock redemption discount during the period.

+ References

No definition available.

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X

- Definition

Accretion of temporary equity during the period due to cash, stock, and in-kind dividends. This item is an adjustment to net income necessary to derive net income apportioned to common stockholders and is to be distinguished from Temporary Equity, Accretion of Dividends (Temporary Equity, Accretion of Dividends).

+ References

No definition available.

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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