Represents the fair value of common stock on repurchase date.

No definition available.

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- Definition

Percentage of Increase in authorized share capital per annum

+ References

No definition available.

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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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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.

+ References

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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.

+ References

No definition available.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

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

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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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- Definition

Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.

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SHARE-BASED COMPENSATION (Details) ¥ in Thousands	1 Months Ended	12 Months Ended
SHARE-BASED COMPENSATION (Details) ¥ in Thousands	Jun. 30, 2020 CNY (¥)	Dec. 31, 2022 CNY (¥) shares	Dec. 31, 2021 CNY (¥) shares	Dec. 31, 2020 CNY (¥) shares	Jan. 01, 2019 $ / shares
Incentive Compensation Plan 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized		61,605,996
Options expire term		10 years
Incentive Compensation Plan 2015 [Member] \| Employee options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense \| ¥				¥ 131,344
Share options granted		0	0	4,936,000
Incentive Compensation Plan 2015 [Member] \| Non-employee options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		4 years
Stock-based compensation expense \| ¥	¥ 0	¥ 0	¥ 0	¥ 34,285
Share options granted		0	0	0
Incentive Compensation Plan 2015 [Member] \| Non-employee options \| ASU 2018-07
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of the ordinary share (per share) \| $ / shares					$ 2.26
2020 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized		45,765,386
Options expire term		10 years	10 years
Increase in authorized share capital per annum		1.00%
Shares exercised through reissuance of treasury stock		4,278,924
2015 Plan and 2020 Plan \| Employee options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		4 years
Stock-based compensation expense \| ¥		¥ 30,928	¥ 52,569	¥ 131,344