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Long-Term Investments (Details) - CNY (¥)
¥ in Thousands
1 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Long-Term Investments (Details) [Line Items]        
Other equity method investments   ¥ 471 ¥ 3,460
Group invested ¥ 13,821      
Fair value of impairment losses   ¥ 900 ¥ 6,600
Equity securities   15,910    
Fair values investments   ¥ 1,700    
Series of Individually Immaterial Business Acquisitions [Member]        
Long-Term Investments (Details) [Line Items]        
Equity interests 10.00% 10.00%