XML 108 R92.htm IDEA: XBRL DOCUMENT
v3.21.2

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. + Details
Name: | us-gaap_PreferredStockAccretionOfRedemptionDiscount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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
Name: | us-gaap_TemporaryEquityDividendsAdjustment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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
Name: | us-gaap_TemporaryEquityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_PreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |