PROPERTY AND EQUIPMENT, NET AND SOFTWARE DEVELOPMENT COSTS, NET - Summary of Property and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment
Property and equipment, gross	$ 322,575	$ 305,914
Accumulated depreciation and amortization	(141,382)	(137,910)
Property and equipment, net	181,193	168,004
Land
Property, Plant and Equipment
Property and equipment, gross	22,523	18,653
Building and leasehold improvements
Property, Plant and Equipment
Property and equipment, gross	$ 154,222	147,729
Building and leasehold improvements \| Minimum
Property, Plant and Equipment
Useful Lives (years)	5 years
Building and leasehold improvements \| Maximum
Property, Plant and Equipment
Useful Lives (years)	39 years
Computer equipment and purchased software
Property, Plant and Equipment
Property and equipment, gross	$ 109,691	108,571
Computer equipment and purchased software \| Minimum
Property, Plant and Equipment
Useful Lives (years)	3 years
Computer equipment and purchased software \| Maximum
Property, Plant and Equipment
Useful Lives (years)	5 years
Furniture and fixtures
Property, Plant and Equipment
Property and equipment, gross	$ 35,932	30,666
Useful Lives (years)	5 years
Transportation equipment
Property, Plant and Equipment
Property and equipment, gross	$ 207	$ 295
Useful Lives (years)	5 years

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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