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

Commitments and Contingencies - Additional information (Details)

v3.23.1
Commitments and Contingencies - Additional information (Details)
¥ in Millions, $ in Millions
1 Months Ended 12 Months Ended
Aug. 01, 2021
CNY (¥)
Mar. 31, 2020
USD ($)
shares
Mar. 31, 2020
CNY (¥)
shares
Dec. 31, 2031
CNY (¥)
Dec. 31, 2022
CNY (¥)
Commitments and Contingencies          
Investment Company, Committed Capital ¥ 110.0     ¥ 30.0  
Remaining investment commitment         ¥ 30.0
ATA Learning (Beijing)          
Commitments and Contingencies          
Decrease to capital contribution 30.0        
Alpha Advantage Global Limited          
Commitments and Contingencies          
Common shares holding at time of sale of business | shares   4,529,100 4,529,100    
Dynamic Fame Limited          
Commitments and Contingencies          
Common shares holding at time of sale of business | shares   188,000 188,000    
Mr. Xiaofeng Ma | ATA Learning (Beijing)          
Commitments and Contingencies          
Investment Company, Committed Capital ¥ 80.0        
ATA Online Sale Transaction          
Commitments and Contingencies          
Total consideration | $   $ 200.0      
ATA Online Sale Transaction | Alpha Advantage Global Limited and Dynamic Fame Limited          
Commitments and Contingencies          
Attorney's fees and other litigation costs     ¥ 15.0    
ATA Online Sale Transaction | Mr. Xiaofeng Ma | Alpha Advantage Global Limited          
Commitments and Contingencies          
Loss contingency, damages sought, value     95.0    
Attorney's fees and other litigation costs     1.5    
ATA Online Sale Transaction | Mr. Xiaofeng Ma | Dynamic Fame Limited          
Commitments and Contingencies          
Loss contingency, damages sought, value     5.0    
Attorney's fees and other litigation costs     ¥ 0.5    
Huanqiuyimeng          
Commitments and Contingencies          
Equity investment, Ownership percentage 15.00%        
Huanqiuyimeng | ATA Learning (Beijing)          
Commitments and Contingencies          
Equity investment, Ownership percentage 40.00%        
Huanqiuyimeng | Third party [Member]          
Commitments and Contingencies          
Equity investment, Ownership percentage 55.00%