Consolidated Statements of Changes in Equity |
CNY (¥)
shares
|
USD ($)
shares
|
Private Placement
CNY (¥)
|
Total shareholders' equity attributable to ATA Creativity Global
CNY (¥)
|
Total shareholders' equity attributable to ATA Creativity Global
USD ($)
|
Total shareholders' equity attributable to ATA Creativity Global
Private Placement
CNY (¥)
|
Common shares
CNY (¥)
shares
|
Common shares
USD ($)
shares
|
Common shares
Private Placement
CNY (¥)
shares
|
Treasury Shares
CNY (¥)
|
Treasury Shares
USD ($)
|
Additional paid-in capital
CNY (¥)
|
Additional paid-in capital
USD ($)
|
Additional paid-in capital
Private Placement
CNY (¥)
|
Accumulated other comprehensive income (loss)
CNY (¥)
|
Accumulated other comprehensive income (loss)
USD ($)
|
Retained earnings (accumulated deficit)
CNY (¥)
|
Retained earnings (accumulated deficit)
USD ($)
|
Non-redeemable non-controlling interests
CNY (¥)
|
Non-redeemable non-controlling interests
USD ($)
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2017 | ¥ 365,072,734 | ¥ 364,729,438 | ¥ 3,534,871 | ¥ (27,737,073) | ¥ 389,897,690 | ¥ (26,850,955) | ¥ 25,884,905 | ¥ 343,296 | ||||||||||||
| Balance (in shares) at Dec. 31, 2017 | shares | 45,796,886 | 45,796,886 | ||||||||||||||||||
| Increase (Decrease) in Stockholders' Equity | ||||||||||||||||||||
| Net income (loss) | 853,782,704 | 854,925,914 | 854,925,914 | (1,143,210) | ||||||||||||||||
| Foreign currency translation adjustment, net of nil income tax | (11,437,409) | (11,437,409) | (11,437,409) | |||||||||||||||||
| Share-based compensation | 20,591,899 | 20,591,899 | 20,591,899 | |||||||||||||||||
| Issuance of common shares with net-settlement of employee individual income tax | (1,727,040) | (1,727,040) | (1,727,040) | |||||||||||||||||
| Exercise of share options | 1,433,441 | 1,433,441 | 1,433,441 | |||||||||||||||||
| Special cash dividend (Note 19) | (946,613,862) | (946,613,862) | (946,613,862) | |||||||||||||||||
| Disposal of discontinued operations | (332,688) | (332,688) | ||||||||||||||||||
| Redeemable non-controlling interests redemption value accretion (Note 15) | (6,085,542) | (6,085,542) | (6,085,542) | |||||||||||||||||
| Sale of non-controlling interests (Note 16) | 1,500,000 | 1,500,000 | ||||||||||||||||||
| Balance at Dec. 31, 2018 | 276,184,237 | 275,816,839 | ¥ 3,534,871 | (27,737,073) | 410,195,990 | (38,288,364) | (71,888,585) | 367,398 | ||||||||||||
| Balance (in shares) at Dec. 31, 2018 | shares | 45,796,886 | 45,796,886 | ||||||||||||||||||
| Increase (Decrease) in Stockholders' Equity | ||||||||||||||||||||
| Net income (loss) | (126,397,617) | (122,253,989) | (122,253,989) | (4,143,628) | ||||||||||||||||
| Foreign currency translation adjustment, net of nil income tax | 810,197 | 810,197 | 810,197 | |||||||||||||||||
| Share-based compensation | 4,809,454 | 4,809,454 | 4,809,454 | |||||||||||||||||
| Issuance of common shares with net-settlement of employee individual income tax | (126,723) | (126,723) | ¥ 103,697 | (230,420) | ||||||||||||||||
| Issuance of common shares with net-settlement of employee individual income tax (in shares) | shares | 1,537,558 | 1,537,558 | ||||||||||||||||||
| Issuance of common shares for acquisition of Huanqiuyimeng (Note 3) | 76,868,663 | 76,868,663 | ¥ 656,997 | 76,211,666 | ||||||||||||||||
| Issuance of common shares for acquisition of Huanqiuyimeng (Note 3) (in shares) | shares | 9,360,000 | 9,360,000 | ||||||||||||||||||
| Redeemable non-controlling interests redemption value accretion (Note 15) | (6,008,491) | (6,008,491) | (6,008,491) | |||||||||||||||||
| Issuance of common shares upon private placement | ¥ 70,224,123 | ¥ 70,224,123 | ¥ 396,747 | ¥ 69,827,376 | ||||||||||||||||
| Issuance of common shares upon private placement (in shares) | shares | 5,662,634 | |||||||||||||||||||
| Non-redeemable non-controlling interests resulting from acquisition of Huanqiuyimeng (Note 3) | 6,771,349 | 6,771,349 | ||||||||||||||||||
| Capital contributed by non-redeemable non-controlling interests (Note 16) | 2,500,000 | 2,500,000 | ||||||||||||||||||
| Balance at Dec. 31, 2019 | ¥ 305,635,192 | 300,140,073 | ¥ 4,692,312 | (27,737,073) | 560,814,066 | (37,478,167) | (200,151,065) | 5,495,119 | ||||||||||||
| Balance (in shares) at Dec. 31, 2019 | shares | 62,357,078 | 62,357,078 | 62,357,078 | 62,357,078 | ||||||||||||||||
| Increase (Decrease) in Stockholders' Equity | ||||||||||||||||||||
| Net income (loss) | ¥ (98,002,116) | (92,198,032) | (92,198,032) | (5,804,084) | ||||||||||||||||
| Foreign currency translation adjustment, net of nil income tax | 53,445 | $ 8,191 | 53,445 | 53,445 | ||||||||||||||||
| Share-based compensation | 1,776,783 | 1,776,783 | 1,776,783 | |||||||||||||||||
| Issuance of common shares with net-settlement of employee individual income tax | (33,807) | (33,807) | ¥ 24,363 | (58,170) | ||||||||||||||||
| Issuance of common shares with net-settlement of employee individual income tax (in shares) | shares | 343,924 | 343,924 | ||||||||||||||||||
| Repurchase of common shares | (4,003,530) | (4,003,530) | (4,003,530) | |||||||||||||||||
| Redeemable non-controlling interests redemption value accretion (Note 15) | (6,184,572) | (6,184,572) | (6,184,572) | |||||||||||||||||
| Acquisition of non-redeemable non-controlling interests | (1,145,497) | (1,145,497) | 1,145,497 | |||||||||||||||||
| Disposal of a subsidiary | 6,469 | 6,469 | ||||||||||||||||||
| Settlement of vested share options and vested shares using treasury shares | 20,114,679 | (20,114,679) | ||||||||||||||||||
| Balance at Dec. 31, 2020 | ¥ 199,247,864 | $ 30,536,071 | ¥ 198,404,863 | $ 30,406,875 | ¥ 4,716,675 | $ 722,862 | ¥ (11,625,924) | $ (1,781,751) | ¥ 541,272,503 | $ 82,953,640 | ¥ (37,424,722) | $ (5,735,590) | ¥ (298,533,669) | $ (45,752,286) | ¥ 843,001 | $ 129,196 | ||||
| Balance (in shares) at Dec. 31, 2020 | shares | 62,701,002 | 62,701,002 | 62,701,002 | 62,701,002 |