SIGNIFICANT ACCOUNTING POLICIES - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Accounting Policies [Abstract]
NET (LOSS) INCOME ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS	$ (2,982)	$ 8,369	$ (5,761)	$ (12,636)
BASIC NET (LOSS) INCOME PER SHARE ATTRIBUTABLE TO RADNET, INC.'S COMMON STOCKHOLDERS
Weighted average number of common shares outstanding during the period basic (in shares)	73,419,124	59,880,803	71,795,080	59,221,453
Basic net loss per share attributable to RadNet, Inc.'s common stockholders (in dollars per share)	$ (0.04)	$ 0.14	$ (0.08)	$ (0.21)
DILUTED NET (LOSS) INCOME PER SHARE ATTRIBUTABLE TO RADNET, INC.'S COMMON STOCKHOLDERS
Weighted average number of common shares outstanding during the period basic (in shares)	73,419,124	59,880,803	71,795,080	59,221,453
Add non-vested restricted stock subject only to service vesting (in shares)	0	205,413	0	0
Add additional shares issuable upon exercise of stock options and contingently issuable shares (in shares)	0	830,769	0	0
Weighted average number of common shares used in calculating diluted net income per share (in shares)	73,419,124	60,916,985	71,795,080	59,221,453
Changes in FV associated with contingently issuable shares	$ 0	$ (934)	$ 0	$ 0
Net (loss) income attributable to RadNet, Inc's common stockholders for diluted share calculation	$ (2,982)	$ 7,435	$ (5,761)	$ (12,636)
Diluted net (loss) income per share attributable to RadNet, Inc.'s common stockholders diluted (in dollars per share)	$ (0.04)	$ 0.12	$ (0.08)	$ (0.21)
Earnings per share disclosures:
Fair value change for contingently issuable shares excluded from the computation of diluted per share amounts as its effect would be antidilutive	$ 0	$ 0	$ 0	$ 1,696,000
Non-vested restricted stock subject to service vesting
Stock options and non-vested restricted awards excluded from the computation of diluted per share amounts as their effect would be antidilutive:
Weighted average shares for which the exercise price exceeds average market price of common stock (in shares)	670,486	0	685,104	644,623
Shares issuable upon the exercise of stock options
Stock options and non-vested restricted awards excluded from the computation of diluted per share amounts as their effect would be antidilutive:
Weighted average shares for which the exercise price exceeds average market price of common stock (in shares)	799,502	82,775	831,647	759,313
Contingently issuable shares
Stock options and non-vested restricted awards excluded from the computation of diluted per share amounts as their effect would be antidilutive:
Weighted average shares for which the exercise price exceeds average market price of common stock (in shares)	0	0	0	193,207