GENERAL - Summary of Classifications of Property and Equipment and Their Useful Lives (Detail)	12 Months Ended
	Dec. 31, 2021
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
Minimum | Buildings and improvements
Property, Plant and Equipment [Line Items]
Estimated useful life	10 years
Minimum | Furniture and equipment
Property, Plant and Equipment [Line Items]
Estimated useful life	3 years
Maximum | Buildings and improvements
Property, Plant and Equipment [Line Items]
Estimated useful life	40 years
Maximum | Furniture and equipment
Property, Plant and Equipment [Line Items]
Estimated useful life	10 years