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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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- Definition

Aggregate number of common shares reserved for future issuance.

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

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- Definition

Date the subsidiary or equity investee issued or sold stock, in YYYY-MM-DD format.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- 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.

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- Definition

Net number of share options (or share units) granted during the period.

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- Definition

Intrinsic value of vested award under share-based payment arrangement. Excludes share and unit options.

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No definition available.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Share Based Compensation - Additional Information (Detail) ¥ in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2025 CNY (¥) shares	Mar. 31, 2025 USD ($) shares	Mar. 31, 2024 CNY (¥) shares	Mar. 31, 2024 USD ($) shares	Mar. 31, 2023 CNY (¥) shares	Mar. 31, 2023 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ordinary shares reserved for issuance \| shares	384,111,187		384,111,187
Options granted for the year \| shares	0	0	0	0	0	0
Unrecognized compensation expense	¥ 0		¥ 0
IPO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sale of stock transaction date	Dec. 10, 2018	Dec. 10, 2018
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based award granted, contractual term	10 years	10 years
Share based award granted, vesting period	4 years	4 years
Share-based compensation expenses	¥ 839		¥ 4,590		¥ 13,563
Unrecognized compensation expense, weighted average period recognized	4 months 2 days	4 months 2 days	2 years 1 month 6 days	2 years 1 month 6 days
Unrecognized compensation expense	¥ 80		¥ 920
Intrinsic value of RSUs vested	¥ 1,872		¥ 2,036		¥ 3,646
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based award granted, contractual term	10 years	10 years
Share based award granted, vesting period	4 years	4 years
Share vested term after resignation	15 days	15 days
Share-based compensation expenses \| $		$ 0		$ 0		$ 0