SIGNIFICANT ACCOUNTING POLICIES - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Accounting Policies [Abstract]
NET LOSS ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS	$ (37,926)	$ (2,779)
BASIC AND DILUTED NET LOSS PER SHARE ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS
Weighted average number of common shares outstanding during the period (in shares)	74,382,356	69,307,078
Basic net loss per share attributable to RadNet, Inc.'s common stockholders (in dollars per share)	$ (0.51)	$ (0.04)
DILUTED NET LOSS PER SHARE ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS (in dollars per share)	$ (0.51)	$ (0.04)
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)	910,334	699,721
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)	894,169	863,792