CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	DeepHealth, Inc.	Total Radnet, Inc.'s Equity	Common Stock	Common Stock DeepHealth, Inc.	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2021				53,548,227
Beginning balance at Dec. 31, 2021	$ 346,157		$ 228,904	$ 5		$ 342,592	$ (20,421)	$ (93,272)	$ 117,253
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock under the equity compensation plan (in shares)				530,188	13,119
Stock-based compensation expense	10,801		10,801			10,801
Issuance of common stock for acquisitions (in shares)				2,106,292
Issuance of common stock for acquisitions	56,470		56,470			56,470
Change in cumulative foreign currency translation adjustment	(1,264)		(1,264)				(1,264)
Change in fair value of cash flow hedge from prior periods reclassified to earnings, net of taxes	923		923				923
Other	0		0				1	(1)
Net (loss) income	8,363		3,013					3,013	5,350
Ending balance (in shares) at Mar. 31, 2022				56,197,826
Ending balance at Mar. 31, 2022	$ 421,450		298,847	$ 5		409,863	(20,761)	(90,260)	122,603
Beginning balance (in shares) at Dec. 31, 2022	57,723,125			57,723,125
Beginning balance at Dec. 31, 2022	$ 491,452		332,995	$ 6		436,288	(20,677)	(82,622)	158,457
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of options (in shares)	5,000	14,473		5,000
Issuance of common stock upon exercise of options	$ 51		51			51
Issuance of common stock under the equity compensation plan (in shares)				527,692	14,473
Stock-based compensation expense	12,185		12,185			12,185
Change in cumulative foreign currency translation adjustment	2,777		2,777				2,777
Change in fair value of cash flow hedge from prior periods reclassified to earnings, net of taxes	922		922				922
Other	(3)		(3)			(2)		(1)
Net (loss) income	$ (14,283)		(21,005)					(21,005)	6,722
Ending balance (in shares) at Mar. 31, 2023	58,270,290			58,270,290
Ending balance at Mar. 31, 2023	$ 493,101		$ 327,922	$ 6		$ 448,522	$ (16,978)	$ (103,628)	$ 165,179