Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Description of Business, Organization and Significant Concentrations and Risks - Additional Information (Details)

v3.22.1
Description of Business, Organization and Significant Concentrations and Risks - Additional Information (Details)
12 Months Ended
Dec. 31, 2021
CNY (¥)
Dec. 31, 2021
HKD ($)
Dec. 31, 2019
PRC | Maximum      
Variable Interest Entity      
Amount insured by government authority | ¥ ¥ 500,000    
HKSAR | Maximum      
Variable Interest Entity      
Amount insured by government authority | $   $ 500,000  
Huanqiuyimeng      
Variable Interest Entity      
Acquisition date Aug. 06, 2019    
Percentage of equity interest acquired 100.00% 100.00% 100.00%