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

Goodwill and Intangible Assets, Net - Schedule of Change in the Carrying Amount of Goodwill by Reporting Unit (Details)

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Goodwill and Intangible Assets, Net - Schedule of Change in the Carrying Amount of Goodwill by Reporting Unit (Details)
 12 Months Ended
Dec. 31, 2020
CNY (¥)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
CNY (¥)
Change in the carrying amount of goodwill      
Balance at beginning of the year ¥ 200,478,795    
Disposal of campuses in relation to junior art education service (5,723,832)    
Balance at end of the year 194,754,963 $ 29,847,504 ¥ 200,478,795
Huanqiuyimeng      
Change in the carrying amount of goodwill      
Balance at beginning of the year 200,478,795    
Goodwill acquired     200,478,795
Balance at end of the year     200,478,795
Overseas Art Study Services      
Change in the carrying amount of goodwill      
Balance at beginning of the year 176,046,647    
Balance at end of the year 176,046,647   176,046,647
Overseas Art Study Services | Huanqiuyimeng      
Change in the carrying amount of goodwill      
Goodwill acquired     176,046,647
Others      
Change in the carrying amount of goodwill      
Balance at beginning of the year 24,432,148    
Disposal of campuses in relation to junior art education service (5,723,832)    
Balance at end of the year ¥ 18,708,316   24,432,148
Others | Huanqiuyimeng      
Change in the carrying amount of goodwill      
Goodwill acquired     ¥ 24,432,148