CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
REVENUE
Service fee revenue	$ 1,071,840	$ 1,154,179	$ 975,146
Provider relief funding	26,264	0	0
OPERATING EXPENSES
Cost of operations, excluding depreciation and amortization	965,902	999,692	867,547
Depreciation and amortization	86,795	80,607	72,899
Loss (gain) on sale and disposal of equipment and other	1,200	2,383	(2,054)
Loss on impairment	4,170	0	3,937
Severance costs	4,353	1,619	1,931
Total operating expenses	1,062,420	1,084,301	944,260
INCOME FROM OPERATIONS	35,684	69,878	30,886
OTHER INCOME AND EXPENSES
Interest expense	45,882	48,044	43,456
Equity in earnings of joint ventures	(7,945)	(8,350)	(11,377)
Non-cash change in fair value of interest rate hedge	2,528	0	0
Gain on re-measurement of pre-existing interest	0	(768)	(39,539)
Gain on extinguishment of debt	(4,047)	0	0
Other expenses (income)	120	1,283	(181)
Total other expenses (income)	36,538	40,209	(7,641)
(LOSS) INCOME BEFORE INCOME TAXES	(854)	29,669	38,527
Provision for income taxes	(895)	(6,229)	(394)
NET (LOSS) INCOME	(1,749)	23,440	38,133
Net income attributable to noncontrolling interests	13,091	8,684	5,890
NET (LOSS) INCOME ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS	$ (14,840)	$ 14,756	$ 32,243
BASIC NET (LOSS) INCOME PER SHARE ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS (in dollars per share)	$ (0.29)	$ 0.30	$ 0.67
DILUTED NET (LOSS) INCOME PER SHARE ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS (in dollars per share)	$ (0.29)	$ 0.29	$ 0.66
WEIGHTED AVERAGE SHARES OUTSTANDING
Basic (in shares)	50,891,791	49,674,858	48,114,275
Diluted (in shares)	50,891,791	50,244,006	48,678,999
Service fee revenue
REVENUE
Service fee revenue	$ 931,722	$ 1,028,236	$ 868,741
Revenue under capitation arrangements
REVENUE
Service fee revenue	$ 140,118	$ 125,943	$ 106,405