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

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Net number of non-option equity instruments granted to participants.

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

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of options outstanding, including both vested and non-vested options.

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SHARE-BASED COMPENSATION - (Details)								12 Months Ended
SHARE-BASED COMPENSATION - (Details)	Sep. 15, 2021 shares	Feb. 14, 2021 USD ($) shares	Jun. 17, 2020 shares	Jan. 21, 2019 shares	Sep. 04, 2018 shares	Jan. 24, 2018 shares	Jun. 06, 2017 $ / shares shares	Dec. 31, 2022 CNY (¥) shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 CNY (¥)	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 CNY (¥)	Dec. 31, 2020 USD ($)	Dec. 31, 2022 USD ($) $ / shares shares	Aug. 31, 2021 shares	Jul. 31, 2021 shares	Dec. 31, 2018 shares	Aug. 31, 2016 shares	Nov. 30, 2015 shares	Dec. 31, 2013 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity granted				15,000,000	30,000,000
Share-based compensation expenses								¥ 202,345,626	$ 29,337,358	¥ 150,166,481		¥ 55,056,426
Directors, officers and consultants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options cancelled				15,000,000	6,200,000
Class A ordinary shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of awards granted	44,290,560	33,090,000
Granted	4,950,000	900,000
Share options granted	4,950,000	900,000
Common stock par value \| $ / shares											$ 0.01			$ 0.01
Market capitalization \| $		$ 500,000,000
2004 Option Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options cancelled							10,806,665
Maximum aggregate number of ordinary shares approved for issuance															250,000,000	100,000,000	100,000,000	34,449,614	14,449,614	6,449,614
Stock options contractual term								5 years	5 years
Options to purchase ordinary share, outstanding shares											50,000
ordinary shares, available for future grants											108,073,400
Number of options exercised							6,328,535
Shares vested period								3 years	3 years
Common stock par value \| $ / shares							$ 0.01
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options cancelled					4,700,000			0	0
Granted						5,750,000		0	0
Total instrinsic value of options exercised								¥ 0	$ 0		$ 0		$ 0
Options to purchase ordinary share, outstanding shares								50,000			50,000			50,000
Number of options exercised								0	0
Fair value of options granted \| $ / shares									$ 0.51
Share options granted						5,750,000		0	0
Shares vested period						36 months
Share options forfeited					1,000,000
Performance conditions
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost								¥ 59,700,000						$ 8,700,000
Share-based compensation expenses								¥ 202,300,000	$ 29,300,000	¥ 150,200,000		¥ 55,100,000
Restricted shares \| Class A ordinary shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of awards granted	44,290,560	32,190,000	29,100,000
Shares vested period	2 years
Market capitalization \| $		$ 400,000,000
Performance based Restricted Shares \| Class A ordinary shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of awards granted			15,600,000
Time based Restricted Shares \| Class A ordinary shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of awards granted			13,500,000
Lock in period			6 months