| 
             30 June 2021 
             | 
            
             31 December 2020 
             | 
            
             Change 
             | 
        |
| 
             Total Assets (RMB 100 Million Yuan) 
             | 
            
             130.08 
             | 
            
             148.64 
             | 
            
             -12.5% 
             | 
        
| 
             Total Liabilities (RMB 100 Million Yuan) 
             | 
            
             49.86 
             | 
            
             67.67 
             | 
            
             -26.3% 
             | 
        
| 
             Net Assets (RMB 100 Million Yuan) 
             | 
            
             80.22 
             | 
            
             80.97 
             | 
            
             -0.9% 
             | 
        
| 
             | 
            
             For the six months period ended 30 June 2021 
             | 
            
             For the six months period ended 30 June 2020 
             | 
            
             Change 
             | 
        
| 
             Operating Income (RMB 100 Million Yuan) 
             | 
            
             4.42 
             | 
            
             5.95 
             | 
            
             -25.7% 
             | 
        
| 
             Net Profit (RMB 100 Million Yuan) 
             | 
            
             1.01 
             | 
            
             1.44 
             | 
            
             -29.9% 
             | 
        
| 
             Earnings Per Share (RMB Yuan) 
             | 
            
             0.02 
             | 
            
             0.03 
             | 
            
             -33.3% 
             | 
        
| 
             Credit Guarantee Business Default Rate (%) 
             | 
            
             0.4 
             | 
            
             0.9 
             | 
            
             -0.5ppt 
             | 
        
| 
             Credit Guarantee Business Recovery Rate (%) 
             | 
            
             24.8 
             | 
            
             57.7 
             | 
            
             -32.9ppt 
             | 
        
| 
             | 
            
             30 June 2021 
             | 
            
             31 December 2020 
             | 
            
             Change 
             | 
        
| 
             Credit Guarantee Business Provision Rate (%) 
             | 
            
             1.0 
             | 
            
             1.0 
             | 
            
             - 
             | 
        
| 
             Provision Rate of the Micro and Small Loan Business (%) 
             | 
            
             6.2 
             | 
            
             5.7 
             | 
            
             +0.5ppt 
             | 
        
| 
             Proportion of the Balance of Impaired Micro and Small Loan Business (%) 
             | 
            
             2.4 
             | 
            
             2.0 
             | 
            
             +0.4ppt 
             | 
        
