PROPERTY, BUILDINGS AND EQUIPMENT - SCHEDULE OF PROPERTY, BUILDINGS AND EQUIPMENT (Details) - USD ($) $ in Thousands	Dec. 31, 2020	[1]	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Accumulated depreciation and amortization	$ (312,106)		$ (268,415)
Property, buildings and equipment, net	399,157		181,448
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, buildings and equipment, gross	169,873		110,056
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, buildings and equipment, gross	266,317		162,029
Software and Software Development Costs [Member]
Property, Plant and Equipment [Line Items]
Property, buildings and equipment, gross	235,666		127,919
Depreciable [Member]
Property, Plant and Equipment [Line Items]
Property, buildings and equipment, gross	671,856		400,004
Property, buildings and equipment, net	359,750		131,589
Land
Property, Plant and Equipment [Line Items]
Property, buildings and equipment, gross	26,409		24,106
Construction in progress
Property, Plant and Equipment [Line Items]
Property, buildings and equipment, gross	$ 12,998		$ 25,753

[1] The components of property, buildings and equipment as of December 31, 2020 exclude a total of $0.3 million that is classified as held for sale, as disclosed in Note 7, "Assets and Liabilities Held for Sale".