Annual report pursuant to Section 13 and 15(d)

Organization and Description of Business - Additional Information (Details)

v3.21.1
Organization and Description of Business - Additional Information (Details)
12 Months Ended
Dec. 31, 2020
City
Subsidiary
Business And Nature Of Operations [Line Items]  
Number of subsidiary | Subsidiary 5
Minimum  
Business And Nature Of Operations [Line Items]  
Number of cities in which entity operates | City 100