DESCRIPTION OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES - Estimated Useful Lives (Details)	12 Months Ended
	Dec. 31, 2021
Building
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	25 years
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	15 years
Furniture and fixtures | Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	3 years
Furniture and fixtures | Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life	15 years