Related party transactions loans granted to related parties.

No definition available.

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Namespace Prefix:	bq_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
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- Details

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- Details

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Related party transactions - Summary of Related Party Transactions And Balances (Detail) - CNY (¥) ¥ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Related Party Transaction [Line Items]
Online marketing and information services		¥ 19	¥ 410
Purchase of merchandise	1,402	2,602	250
Loans granted to related parties	2,820	38,115	6,890
Beijing Petdog [Member]
Related Party Transaction [Line Items]
Online marketing and information services			410
Nanjing Animal Pharmaceutical [Member]
Related Party Transaction [Line Items]
Purchase of merchandise	1,402	1,020	250
Loans granted to related parties			500
Wuhan Chunzhijin [Member]
Related Party Transaction [Line Items]
Loans granted to related parties	2,720	2,600	5,690
Yan Jiang [Member]
Related Party Transaction [Line Items]
Loans granted to related parties		70	200
Fei Wang [Member]
Related Party Transaction [Line Items]
Loans granted to related parties			500
Weishi Network [Member]
Related Party Transaction [Line Items]
Online marketing and information services		19
Purchase of merchandise		1,582
Shanghai Guangcheng Information [Member]
Related Party Transaction [Line Items]
Loans granted to related parties		33,395
Yingzhi Lisa Tang [Member]
Related Party Transaction [Line Items]
Loans granted to related parties		1,750
Lijun Zhou [Member]
Related Party Transaction [Line Items]
Loans granted to related parties		300
Merchant Tycoon Limited [Member]
Related Party Transaction [Line Items]
Loans granted to related parties	¥ 100