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Principal Activities and Reorganization - Additional Information (Details) - CNY (¥)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Jul. 17, 2020
Principal Activities And Reorganization [Line Items]        
Date of incorporation Sep. 12, 2016      
Aoyan        
Principal Activities And Reorganization [Line Items]        
Percentage of equity interest acquired       100.00%
Variable Interest Entity Primary Beneficiary        
Principal Activities And Reorganization [Line Items]        
Inter-company revenues ¥ 0 ¥ 0 ¥ 11,665,000  
Proceeds from advances from consolidated entities 0 129,664,000 303,913,000  
Repayment of advances to consolidated entities 0 36,664,000 ¥ 303,913,000  
Amount due to related party debt ¥ 93,000,000 ¥ 93,000,000    
Technology Consulting and Service Agreement        
Principal Activities And Reorganization [Line Items]        
Term of agreement termination notice period 30 days      
Effective Period of Agreement 10 years