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

Goodwill and Intangible Assets, Net - Summary of Total Amortization Expense Recognized (Details)

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Goodwill and Intangible Assets, Net - Summary of Total Amortization Expense Recognized (Details) - CNY (¥)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Finite Lived Intangible Assets [Line Items]      
Total amortization expense ¥ 17,233,333 ¥ 21,893,234 ¥ 12,394,615
Cost of revenues      
Finite Lived Intangible Assets [Line Items]      
Total amortization expense   1,850,377 2,031,478
Sales and marketing      
Finite Lived Intangible Assets [Line Items]      
Total amortization expense     1,992,105
General and administrative      
Finite Lived Intangible Assets [Line Items]      
Total amortization expense ¥ 17,233,333 ¥ 20,042,857 ¥ 8,371,032