CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ 8,087	$ (8,960)	$ 21,862	$ (22,958)
Foreign currency translation adjustments	(9)	(7)	(21)	(6)
Change in fair value of cash flow hedge, net of taxes	0	(409)	0	(18,958)
Change in fair value of cash flow hedge from prior periods reclassified to earnings, net of taxes	920	892	1,845	892
COMPREHENSIVE INCOME (LOSS)	8,998	(8,484)	23,686	(41,030)
Less comprehensive income attributable to noncontrolling interests	5,214	1,634	9,531	3,994
RADNET, INC. COMMON STOCKHOLDERS	$ 3,784	$ (10,118)	$ 14,155	$ (45,024)