ORGANIZATION AND PRINCIPAL ACTIVITIES - Summary of significant subsidiaries, variable interest entity and the significant subsidiaries of the VIE (Detail)	12 Months Ended
Sep. 30, 2021
QK365.com INC. (BVI) \| Subsidiaries
Date of incorporation	Sep. 29, 2014
Place of incorporation	BVI
Percentage of legal/beneficial ownership by the Company	100.00%
Principal activities	Holding
QingKe (China) Limited \| Subsidiaries
Date of incorporation	Jul. 07, 2014
Place of incorporation	Hong Kong
Percentage of legal/beneficial ownership by the Company	100.00%
Principal activities	Holding
Q&K Investment Consulting Co., Ltd. \| Subsidiaries
Date of incorporation	Apr. 02, 2015
Place of incorporation	PRC
Percentage of legal/beneficial ownership by the Company	100.00%
Principal activities	Holding and Operating
Qingke (Shanghai) Artificial Intelligence Technology Co., Ltd \| Subsidiaries
Date of incorporation	May 13, 2019
Place of incorporation	PRC
Percentage of legal/beneficial ownership by the Company	100.00%
Principal activities	Holding and Operating
Chengdu Liwu Apartment Management Co., Ltd \| Subsidiaries
Date of incorporation	Jun. 19, 2020
Place of incorporation	PRC
Percentage of legal/beneficial ownership by the Company	100.00%
Principal activities	Operating
Shanghai Qingke E-Commerce Co., Ltd. \| Variable Interest Entity
Date of incorporation	Aug. 02, 2013
Place of incorporation	PRC
Percentage of legal/beneficial ownership by the Company	100.00%
Principal activities	Holding and Operating
Shanghai Qingke Equipment Rental Co., Ltd. \| Subsidiaries Variable Interest Entity
Date of incorporation	Mar. 17, 2015
Place of incorporation	PRC
Percentage of legal/beneficial ownership by the Company	100.00%
Principal activities	Operating
Shanghai Qingke Public Rental Housing Leasing Management Co., Ltd. \| Subsidiaries Variable Interest Entity
Date of incorporation	Nov. 05, 2014
Place of incorporation	PRC
Percentage of legal/beneficial ownership by the Company	100.00%
Principal activities	Operating
Suzhou Qingke Information Technology Co., Ltd. \| Subsidiaries Variable Interest Entity
Date of incorporation	Apr. 03, 2014
Place of incorporation	PRC
Percentage of legal/beneficial ownership by the Company	100.00%
Principal activities	Operating

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Entity incorporation state or country name.

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- Definition

Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

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Description of the major products or services that a subsidiary or equity investee sells or provides and its principal markets, including locations of those markets.

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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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-Publisher FASB
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The overall reason that the Variable Interest Entity (VIE) was formed. For example, the VIE was formed to hold financial assets, including loans or receivables, real estate or other property or to engage in research and development or other activities on behalf of another company.

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