INCOME TAXES - Schedule of Income Tax Paid (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Paid, by Individual Jurisdiction [Line Items]
Federal income taxes paid, net of refunds received
State income taxes paid, net of refunds received	3,673	2,170	1,588
Foreign income taxes paid, net of refunds received	888	1,998	0
Total income taxes paid, net of refunds received	4,561	4,168	1,588
California
Income Tax Paid, by Individual Jurisdiction [Line Items]
State income taxes paid, net of refunds received	145	317	127
Delaware
Income Tax Paid, by Individual Jurisdiction [Line Items]
State income taxes paid, net of refunds received	0	0	181
Florida
Income Tax Paid, by Individual Jurisdiction [Line Items]
State income taxes paid, net of refunds received	510	329	186
Maryland
Income Tax Paid, by Individual Jurisdiction [Line Items]
State income taxes paid, net of refunds received	2,301	1,150	1,000
New Jersey
Income Tax Paid, by Individual Jurisdiction [Line Items]
State income taxes paid, net of refunds received	81	284	1
New York
Income Tax Paid, by Individual Jurisdiction [Line Items]
State income taxes paid, net of refunds received	337	10	38
Other State Jurisdictions
Income Tax Paid, by Individual Jurisdiction [Line Items]
State income taxes paid, net of refunds received	299	80	55
United Kingdom
Income Tax Paid, by Individual Jurisdiction [Line Items]
Foreign income taxes paid, net of refunds received	845	1,885	0
Other Foreign Jurisdictions
Income Tax Paid, by Individual Jurisdiction [Line Items]
Foreign income taxes paid, net of refunds received	$ 43	$ 113	$ 0

RadNet, Inc. 10-K