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Summary Of Principal Accounting Policies - Schedule of Property and equipment, net (Detail)
12 Months Ended
Dec. 31, 2022
Furniture, fixtures and equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 5 years
Furniture, fixtures and equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 4 years
Electronic office equipment [Member] | Maximum [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 5 years
Electronic office equipment [Member] | Minimum [Member]  
Property, Plant and Equipment [Line Items]  
Property, Plant and Equipment, Useful Life 3 years
Leasehold Improvements [Member]  
Property, Plant and Equipment [Line Items]  
Property Plant And Equipment estimated useful life Over the shorter of the lease term or estimated useful life