CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
NET REVENUE
Service fee revenue, net of contractual allowances and discounts	$ 217,552	$ 211,313	$ 641,136	$ 638,119
Provision for bad debts	0	(11,687)	0	(35,187)
Net service fee revenue	217,552	199,626	641,136	602,932
Revenue under capitation arrangements	24,596	27,981	76,799	83,702
Total net revenue	242,148	227,607	717,935	686,634
OPERATING EXPENSES
Cost of operations, excluding depreciation and amortization	208,511	198,109	634,200	602,174
Depreciation and amortization	17,480	17,053	53,422	50,319
(Gain) loss on sale and disposal of equipment	(373)	420	(2,204)	828
Severance costs	82	1,186	1,087	1,566
Total operating expenses	225,700	216,768	686,505	654,887
INCOME FROM OPERATIONS	16,448	10,839	31,430	31,747
OTHER INCOME AND EXPENSES
Interest expense	10,663	10,169	31,343	30,712
Equity in earnings of joint ventures	(2,822)	(3,450)	(9,547)	(8,372)
Gain on sale of imaging centers	0	(845)	0	(3,146)
Other expenses (income)	7	4	13	(236)
Total other expenses	7,848	5,878	21,809	18,958
INCOME BEFORE INCOME TAXES	8,600	4,961	9,621	12,789
Provision for income taxes	(2,827)	(1,112)	(2,835)	(4,177)
NET INCOME	5,773	3,849	6,786	8,612
Net income attributable to noncontrolling interests	734	623	3,679	1,286
NET INCOME ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS	$ 5,039	$ 3,226	$ 3,107	$ 7,326
BASIC NET INCOME PER SHARE ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS	$ 0.10	$ 0.07	$ 0.06	$ 0.16
DILUTED NET INCOME PER SHARE ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS	$ 0.10	$ 0.07	$ 0.06	$ 0.16
WEIGHTED AVERAGE SHARES OUTSTANDING Basic (in shares)	48,010,726	46,953,705	47,937,215	46,760,583
WEIGHTED AVERAGE SHARES OUTSTANDING Diluted (in shares)	48,615,392	47,577,750	48,481,305	47,239,360