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Business Combinations - Additional Information (Details)
1 Months Ended 12 Months Ended
Nov. 30, 2019
CNY (¥)
shares
Apr. 04, 2019
CNY (¥)
shares
Aug. 31, 2019
CNY (¥)
item
Dec. 31, 2021
CNY (¥)
item
Dec. 31, 2021
USD ($)
item
Dec. 31, 2020
CNY (¥)
item
Dec. 31, 2019
CNY (¥)
item
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Jul. 01, 2019
CNY (¥)
Business Acquisition [Line Items]                    
Goodwill       ¥ 120,819,948   ¥ 100,231,487 ¥ 100,078,236 $ 18,959,286 $ 15,728,507  
2021 Business Combinations                    
Business Acquisition [Line Items]                    
Business acquisition, number of acquisitions completed | item       3 3          
Business acquisition, Total consideration amount       ¥ 23,000,000 $ 3,609,202          
Goodwill       20,588,461            
Business acquisition, cash consideration paid       ¥ 19,530,000 $ 3,064,683          
2020 Business Combinations                    
Business Acquisition [Line Items]                    
Business acquisition, number of acquisitions completed | item           1        
Business acquisition, Total consideration amount           ¥ 2,200,000        
Goodwill           ¥ 153,251        
2019 Business Combinations                    
Business Acquisition [Line Items]                    
Business acquisition, number of acquisitions completed | item             4      
Argyle Group                    
Business Acquisition [Line Items]                    
Business acquisition, Total consideration amount   ¥ 126,819,172                
Goodwill   ¥ 42,198,903                
Business acquisition, shares issued | shares   626,746                
Business acquisition, cash consideration paid   ¥ 65,779,032                
Business acquisitions, net revenue of acquiree             ¥ 11,882,976      
Business acquisitions, net loss of acquiree             ¥ 7,694,834      
Business Combination, recognized identifiable current assets   ¥ 3,777,860                
Argyle Beijing                    
Business Acquisition [Line Items]                    
Business acquisition, equity interest acquired   60.00%   60.00%       60.00%    
Urban Hotel Group                    
Business Acquisition [Line Items]                    
Business acquisition, Total consideration amount ¥ 190,349,496                  
Goodwill ¥ 49,037,577                  
Business acquisition, shares issued | shares 870,908                  
Business acquisition, cash consideration paid ¥ 126,000,000                  
Business acquisition, returnable consideration 3,333,421                  
Business acquisition, contingent consideration 4,027,207                  
Business Combination, recognized identifiable current assets 50,482,296                  
Urban Hotel Group | Maximum                    
Business Acquisition [Line Items]                    
Business acquisition, estimated contingent consideration 105,000,000                  
Business acquisition, estimated returnable consideration ¥ 69,000,000                  
Shandong Xinghui                    
Business Acquisition [Line Items]                    
Business acquisition, equity interest acquired 70.00%                  
Others                    
Business Acquisition [Line Items]                    
Business acquisition, number of acquisitions completed | item     1              
Business acquisition, cash consideration paid     ¥ 5,530,000              
Business Combination, recognized identifiable current assets                   ¥ 37,255,016
2018 Business Combinations                    
Business Acquisition [Line Items]                    
Business acquisition, number of acquisitions completed | item             4      
2018 Business Combinations | General And Administrative Expenses                    
Business Acquisition [Line Items]                    
Business combination, acquisition related costs             ¥ 2,589,034