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

DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS - VIE Agreements - Additional Information (Details)

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DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS - VIE Agreements - Additional Information (Details)
12 Months Ended
Aug. 17, 2020
CNY (¥)
Aug. 12, 2020
Mar. 15, 2018
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
CNY (¥)
Dec. 31, 2019
CNY (¥)
Mar. 19, 2019
CNY (¥)
Dec. 28, 2018
CNY (¥)
Mar. 31, 2018
CNY (¥)
DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS                    
Assets       ¥ 448,939,143 $ 63,231,755 ¥ 474,464,769        
ATA Intelligent Learning's nominee shareholders, Mr. Xiaofeng Ma, Mr. Jun Zhang or Mr. Haichang Xiong                    
DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS                    
Loan amount       ¥ 10,000,000.0       ¥ 50,000,000.0   ¥ 10,000,000.0
Term of loan       10 years            
ATA Intelligent Learning's nominee shareholders, Mr. Xiaofeng Ma, Mr. Jun Zhang or Mr. Haichang Xiong | Loan Agreement On March192019                    
DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS                    
Loan amount             ¥ 40,000,000.0      
ATA Intelligent Learning's nominee shareholders, Mr. Xiaofeng Ma and Mr. Haichang Xiong | Loan on March 15, 2018                    
DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS                    
Loan amount     ¥ 1,000,000.0              
ATA Intelligent Learning's nominee shareholders, Mr. Xiaofeng Ma and Mr. Haichang Xiong | Loan on December 28, 2018                    
DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS                    
Loan amount                 ¥ 9,000,000.0  
ATA Intelligent Learning                    
DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS                    
Registered capital       ¥ 50,000,000.0            
Assets       49,279,496   ¥ 55,948,760        
ATA Intelligent Learning | Assets Pledged as collateral                    
DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS                    
Assets       ¥ 0            
ATA Intelligent Learning | Beijing Zhenwu Technology Development Company Limited                    
DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS                    
Legal ownership interest (as a percent)       70.00%            
ATA Intelligent Learning | ATA Education                    
DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS                    
Percentage of equity interest that can be acquired as per exclusive purchase option       100.00%            
Term of agreement     30 years              
Notice period prior to expiration of agreement       30 days            
ATA Intelligent Learning | ATA Education | Exclusive technical consulting and services agreement                    
DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS                    
Automatic renewal term of the agreement     10 years              
Notice period prior to expiration of agreement     3 months              
Mr. Xiaofeng Ma | ATA Intelligent Learning                    
DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS                    
Legal ownership interest (as a percent)       90.00%            
Mr. Xiaofeng Ma | ATA Intelligent Learning | Mr. Ma | Minimum                    
DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS                    
Legal ownership       40.00% 40.00% 40.00%        
Mr. Haichang Xiong | ATA Intelligent Learning's nominee shareholders, Mr. Xiaofeng Ma, Mr. Jun Zhang or Mr. Haichang Xiong                    
DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS                    
Repayment of short-term borrowings ¥ 5,000,000.0                  
Mr. Jun Zhang | ATA Intelligent Learning's nominee shareholders, Mr. Xiaofeng Ma, Mr. Jun Zhang or Mr. Haichang Xiong                    
DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS                    
Proceeds from Issuance of Debt ¥ 5,000,000.0                  
Mr. Jun Zhang | ATA Intelligent Learning                    
DESCRIPTION OF BUSINESS, ORGANIZATION AND SIGNIFICANT CONCENTRATIONS AND RISKS                    
Legal ownership interest (as a percent)   10.00%