Registration statement for securities of certain foreign private issuers

Accounting policies - Summary of Useful Lives of the Group's Intangible Assets (Detail)

v3.21.2
Accounting policies - Summary of Useful Lives of the Group's Intangible Assets (Detail)
 12 Months Ended
Dec. 31, 2020
Development costs | Bottom of range  
Disclosure of detailed information about intangible assets [line items]  
Useful life measured as period of time, intangible assets other than goodwill 1 year
Development costs | Top of range  
Disclosure of detailed information about intangible assets [line items]  
Useful life measured as period of time, intangible assets other than goodwill 10 years
Customer relationships  
Disclosure of detailed information about intangible assets [line items]  
Useful life measured as period of time, intangible assets other than goodwill 11 months
Trade names  
Disclosure of detailed information about intangible assets [line items]  
Useful life measured as period of time, intangible assets other than goodwill 10 months
Physician network  
Disclosure of detailed information about intangible assets [line items]  
Useful life measured as period of time, intangible assets other than goodwill 10 months