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Significant Accounting Policies (Details) - Schedule of property and equipment, net
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Leasehold improvement [Member]    
Public Utility, Property, Plant and Equipment [Line Items]    
Property and equipment estimated economic lives Shorter of the lease term or estimated economic life Shorter of the lease term or estimated economic life
Building [Member]    
Public Utility, Property, Plant and Equipment [Line Items]    
Property and equipment estimated useful lives 20 years 20 years
Furniture [Member]    
Public Utility, Property, Plant and Equipment [Line Items]    
Property and equipment estimated useful lives 5 years 5 years
Office equipment [Member]    
Public Utility, Property, Plant and Equipment [Line Items]    
Property and equipment estimated useful lives 3 years 3 years
Vehicles [Member]    
Public Utility, Property, Plant and Equipment [Line Items]    
Property and equipment estimated useful lives 5 years 5 years