SEGMENT REPORTING (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Revenue	$ 403,715	$ 354,375	$ 794,279	$ 696,141
Cost of Operations	345,147	305,775	697,012	620,813
Depreciation and Amortization	32,180	28,862	63,495	55,980
Loss on Disposal of Equipment	77	81	656	1,209
Severance	1,870	99	2,004	300
Income (Loss) from Operations	24,441	19,558	31,112	17,839
Imaging Centers
Segment Reporting Information [Line Items]
Revenue	401,336	352,818	789,767	693,985
Cost of Operations	338,630	299,350	683,211	609,460
Depreciation and Amortization	30,234	27,100	59,826	52,906
Loss on Disposal of Equipment	83	36	661	1,189
Severance	153	99	276	300
Income (Loss) from Operations	32,236	26,233	45,793	30,130
AI
Segment Reporting Information [Line Items]
Revenue	2,379	1,557	4,512	2,156
Cost of Operations	6,517	6,425	13,801	11,353
Depreciation and Amortization	1,946	1,762	3,669	3,074
Loss on Disposal of Equipment	(6)	45	(5)	20
Severance	1,717	0	1,728	0
Income (Loss) from Operations	$ (7,795)	$ (6,675)	$ (14,681)	$ (12,291)