GENERAL - Summary of Classifications of Property and Equipment and Their Useful Lives (Detail)	12 Months Ended
	Dec. 31, 2019
Software and computer hardware
Property, Plant and Equipment [Line Items]
Estimated useful life	3 years
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Estimated useful life	Over the shorter of the term of the lease or the life of the asset
Buildings and improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	10 years
Buildings and improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	40 years
Furniture and equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	3 years
Furniture and equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	10 years