PROPERTY, SOFTWARE AND EQUIPMENT, NET - SCHEDULE OF PROPERTY, SOFTWARE AND EQUIPMENT (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property, software and equipment, gross	$ 96,858	$ 62,920
Less: accumulated depreciation and amortization	(25,780)	(17,086)
Property, software and equipment, net	71,078	45,834
Computer equipment
Property, Plant and Equipment [Line Items]
Property, software and equipment, gross	17,459	9,203
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, software and equipment, gross	14,764	8,024
Tenant improvements
Property, Plant and Equipment [Line Items]
Property, software and equipment, gross	38,426	18,945
Internally developed software
Property, Plant and Equipment [Line Items]
Property, software and equipment, gross	18,943	16,992
Construction in progress
Property, Plant and Equipment [Line Items]
Property, software and equipment, gross	$ 7,266	$ 9,756

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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