PROPERTY AND EQUIPMENT, NET - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 94,789	$ 78,511
Less: Accumulated depreciation and amortization	(7,452)	(5,257)
Property and equipment, net	87,337	73,254
Capitalized internal-use software
Property, Plant and Equipment [Line Items]
Gross property and equipment	89,330	73,175
Computer hardware
Property, Plant and Equipment [Line Items]
Gross property and equipment	4,555	4,386
Office furniture equipment
Property, Plant and Equipment [Line Items]
Gross property and equipment	159	159
Leasehold improvements
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 745	$ 791