v3.20.1

Goodwill and Intangible Assets, Net - Goodwill - Additional Information (Details) |  |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Nov. 30, 2013 CNY (¥) | Feb. 28, 2009 CNY (¥) | Dec. 31, 2017 CNY (¥) | Dec. 31, 2019 CNY (¥) | Dec. 31, 2018 CNY (¥) | Dec. 31, 2002 CNY (¥) | Dec. 31, 2019 USD ($)
Goodwill |  |  |  |  |  |  |
Goodwill |  |  | ¥ 32,009,025 | ¥ 200,478,795 | ¥ 0 |  | $ 28,796,977
Disposal of goodwill |  |  |  |  | ¥ 32,009,025 |  |
ATA Education |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |
Goodwill acquired |  |  |  |  |  | ¥ 6,880,123 |
Percentage of equity interest acquired |  |  |  |  |  | 5.00% |
Beijing JDX and JDX BVI |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |
Goodwill acquired |  | ¥ 16,542,727 |  |  |  |  |
Xing Wei |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |
Goodwill acquired | ¥ 7,589,052 |  |  |  |  |  |
Qihuang Huizhi |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |
Goodwill acquired |  |  | ¥ 997,123 |  |  |  |
Qihuang Huizhi | ATA Online |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |
Percentage of equity interest acquired |  |  | 65.00% |  |  |  |
Total consideration |  |  | ¥ 650,000 |  |  |  |
Goodwill |  |  |  | 997,123 |  |  |
Puhua Technology |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |
Percentage of equity interest sold |  |  | 60.00% |  |  |  |
Total consideration |  |  | ¥ 2,000,000 |  |  |  |
Disposal of goodwill |  |  | ¥ 1,512,081 |  |  |  |
Huanqiuyimeng |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |
Goodwill acquired |  |  |  | ¥ 200,478,795 |  |  |
Percentage of equity interest acquired |  |  |  | 100.00% |  |  | 100.00%
Goodwill |  |  |  | ¥ 200,478,795 |  |  |

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