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COMMITMENTS AND CONTINGENCIES - Additional Information (Detail) | Mar. 31, 2023 CNY (¥)
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Leasehold improvements and installation of equipment |
Commitments And Contingencies [Line Items] |
Purchase commitments | ¥ 0

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- Definition Commitments and Contingencies. + References No definition available. + Details
Name: | qk_CommitmentsAndContingenciesLineItems
Namespace Prefix: | qk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
Name: | us-gaap_PurchaseObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=qk_LeaseholdImprovementsAndInstallationOfEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |