NATURE OF BUSINESS (Details Narrative) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) Center	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of centers | Center	331
Schedule of Equity Method Investments [Line Items]
BRMG and NY Groups revenues	$ 147,600	$ 157,400	$ 132,900
BRMG and NY Groups operating expenses	147,600	157,400	132,900
Management services provided to BRMG and NY Groups	600,700	618,900	$ 505,200
Variable Interest Entity [Line Items]
BRMG and NY Groups accounts receivable	1,786,657	1,646,986
BRMG and NY Groups accounts payable	$ 1,528,354	1,413,847
Minimum
Variable Interest Entity [Line Items]
Long-term contracts, term	10 years
Maximum
Variable Interest Entity [Line Items]
Long-term contracts, term	40 years
Beverly Radiology Medical Group III | Chief Executive Officer
Schedule of Equity Method Investments [Line Items]
Equity interest percentage	99.00%
Beverly Radiology Medical Group III | Board Member
Schedule of Equity Method Investments [Line Items]
Equity interest percentage	1.00%
ScriptSender LLC
Schedule of Equity Method Investments [Line Items]
Equity interest percentage	49.00%
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
BRMG and NY Groups accounts receivable	$ 82,300	100,300
BRMG and NY Groups accounts payable	$ 15,200	$ 7,000