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, 2022
Dec. 31, 2021
Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]      
Total amortization expense ¥ 17,473,333 ¥ 17,233,333 ¥ 21,893,234
Cost of revenues      
Finite Lived Intangible Assets [Line Items]      
Total amortization expense 240,000   1,850,377
General and administrative      
Finite Lived Intangible Assets [Line Items]      
Total amortization expense ¥ 17,233,333 ¥ 17,233,333 ¥ 20,042,857