v3.26.1
SIGNIFICANT ACCOUNTING POLICIES - Schedule of Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Accounting Policies [Abstract]    
NET LOSS ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS $ (33,466) $ (37,926)
BASIC AND DILUTED NET LOSS PER SHARE ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS    
Weighted average number of common shares outstanding during the period, basic (in shares) 77,057,835 74,382,356
Weighted average number of common shares outstanding during the period, diluted (in shares) 77,057,835 74,382,356
Basic net loss per share attributable to RadNet, Inc.'s common stockholders (in dollars per share) $ (0.43) $ (0.51)
Diluted net loss income per share attributable to RadNet, Inc.'s common stockholders (in dollars per share) $ (0.43) $ (0.51)
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) 1,044,986 910,334
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) 927,262 894,169