PROPERTY AND EQUIPMENT - Classifications of Property and Equipment and the Related Useful Lives (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Gross, total	$ 31,561	$ 21,222
Less: Accumulated depreciation and amortization	(12,393)	(6,206)
Property and equipment, net	$ 19,168	15,016
Computers and office equipment
Property, Plant and Equipment [Line Items]
Useful Lives	3 years
Gross, total	$ 2,467	1,684
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Useful Lives	5 years
Gross, total	$ 437	305
Leasehold improvements
Property, Plant and Equipment [Line Items]
Useful Lives	7 years
Gross, total	$ 385	320
Software development costs
Property, Plant and Equipment [Line Items]
Useful Lives	3 years
Gross, total	$ 28,272	$ 18,913

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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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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