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Useful Lives of Property Plant and Equipment (Detail)
12 Months Ended
Dec. 31, 2022
Property, plant and equipment - Information and communication equipment | Minimum  
Property, Plant and Equipment [Line Items]  
Property and equipment, useful life 2 years
Property, plant and equipment - Information and communication equipment | Maximum  
Property, Plant and Equipment [Line Items]  
Property and equipment, useful life 5 years
Office Furniture And Equipment | Minimum  
Property, Plant and Equipment [Line Items]  
Property and equipment, useful life 3 years
Office Furniture And Equipment | Maximum  
Property, Plant and Equipment [Line Items]  
Property and equipment, useful life 6 years
Leasehold Improvements  
Property, Plant and Equipment [Line Items]  
Property and equipment, useful life Shorter of 5 or lease term