Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Description of Business, Organization and Significant Concentrations and Risk - VIE Financial Statements (Parenthetical) (Details)

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Description of Business, Organization and Significant Concentrations and Risk - VIE Financial Statements (Parenthetical) (Details)
9 Months Ended 12 Months Ended
Dec. 31, 2017
CNY (¥)
Dec. 31, 2019
CNY (¥)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
CNY (¥)
Variable Interest Entity        
Net cash used in investing activities ¥ (20,604,329) ¥ (36,945,321) $ (5,306,863) ¥ 1,201,735,714
Net cash received from financing activities ¥ (70,148,709) 57,566,469 $ 8,268,906 (949,893,989)
ATA Intelligent Learning        
Variable Interest Entity        
Net cash used in investing activities   (77,492,873)   (12,458,500)
Net cash received from financing activities   54,000,000   38,000,000
ATA Intelligent Learning | Eliminations | Subsidiaries        
Variable Interest Entity        
Net cash used in investing activities   71,483,973   12,450,000
Net cash received from financing activities   ¥ 54,000,000   ¥ 38,000,000
ATA Intelligent Learning | Huanqiuyimeng | Eliminations | Subsidiaries        
Variable Interest Entity        
Percentage of equity interest   30.96% 30.96%