CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 5,092	$ 5,773	$ 10,760	$ 6,786
Foreign currency translation adjustments	(23)	(91)	(28)	(65)
Change in fair value of cash flow hedge, net of taxes	(5,283)		(14,481)
Change in fair value of cash flow hedge, net of taxes		595		4,889
COMPREHENSIVE (LOSS) INCOME	(214)	6,277	(3,749)	11,610
Less comprehensive income attributable to noncontrolling interests	1,897	734	6,400	3,679
COMPREHENSIVE LOSS ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS	$ (2,111)	$ 5,543	$ (10,149)	$ 7,931