SUMMARY OF ACCOUNTING POLICIES (Details Narrative)					1 Months Ended		3 Months Ended		6 Months Ended		12 Months Ended
	Nov. 05, 2019 USD ($)	Mar. 01, 2018 USD ($)	Feb. 01, 2018 USD ($) shares	Mar. 24, 2017 USD ($)	May 31, 2020 USD ($)	Apr. 30, 2020 USD ($)	Jun. 30, 2020 USD ($) shares	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) shares	Jun. 30, 2019 USD ($)	Dec. 31, 2018	Dec. 31, 2019 USD ($) joint_venture	Oct. 11, 2019 shares	Jan. 01, 2019 USD ($)
Property, Plant and Equipment [Line Items]
Provider relief funding							$ 25,475,000	$ 0	$ 25,475,000	$ 0
Contracts receivable, factoring receivable							22,500,000		22,500,000
Deferred financing costs, net of accumulated amortization							1,300,000		1,300,000			$ 1,600,000
Deferred financing costs, net, period increase									700,000
Goodwill							467,803,000		467,803,000			441,973,000
Indefinite-lived intangible assets							11,300,000		11,300,000
Income tax expense							$ (4,475,000)	$ 2,969,000	$ (8,856,000)	$ 1,740,000
Effective tax rate							33.30%	28.10%	27.80%	23.50%
Amount of loss recognized in income on derivative (current period ineffective portion)							$ 21,400,000
Monthly amortization of deferred hedge gains							300,000
Total credit facilities outstanding							0		$ 0			0
Aggregate cost							66,376,000		66,376,000			60,375,000
Advance for future software subscription fees							35,720,000		35,720,000			$ 45,004,000
Number of unconsolidated joint ventures | joint_venture												12
Management service fees							3,300,000	$ 1,800,000	$ 5,900,000	$ 3,900,000
Minimum
Property, Plant and Equipment [Line Items]
Share-based payment award, award vesting period									3 years
Share-based payment award, expiration period									5 years
Maximum
Property, Plant and Equipment [Line Items]
Share-based payment award, award vesting period									5 years
Share-based payment award, expiration period									10 years
Medic Vision
Property, Plant and Equipment [Line Items]
Ownership percentage		14.21%		12.50%
Payments to acquire equity method investments		$ 200,000		$ 1,000,000.0
Option to purchase additional equity method investment				$ 1,400,000
Ownership percentage diluted		1.96%
Initial ownership percentage after dilution		12.25%
Aggregate cost							1,200,000		$ 1,200,000
Turner Imaging
Property, Plant and Equipment [Line Items]
Payments to acquire equity method investments			$ 2,000,000.0
Number of shares purchased (in shares) | shares			2,100,000
Preferred stock issued upon conversion (in shares) | shares													80,000
WhiteRabbit.ai Inc.
Property, Plant and Equipment [Line Items]
Payments to acquire equity method investments	$ 1,000,000.0
Payments to fund loan to related parties	$ 2,500,000
Advance for future software subscription fees							$ 4,000,000.0		$ 4,000,000.0
Restated Plan
Property, Plant and Equipment [Line Items]
Shares authorized (in shares) | shares							14,000,000		14,000,000
Restated Plan | Minimum
Property, Plant and Equipment [Line Items]
Share-based payment award, award vesting period									3 years
Share-based payment award, expiration period									5 years
Restated Plan | Maximum
Property, Plant and Equipment [Line Items]
Share-based payment award, award vesting period									5 years
Share-based payment award, expiration period									10 years
2016 Caps
Property, Plant and Equipment [Line Items]
Premium liability for 2016 Caps							$ 5,300,000		$ 5,300,000
2016 Caps | September 2020
Property, Plant and Equipment [Line Items]
Notional amounts							150,000,000		150,000,000
2016 Caps | October 2020
Property, Plant and Equipment [Line Items]
Notional amounts							$ 350,000,000		$ 350,000,000
2019 SWAPS
Property, Plant and Equipment [Line Items]
Notional amounts								500,000,000		500,000,000
2019 SWAPS | October 2023
Property, Plant and Equipment [Line Items]
Notional amounts								50,000,000		50,000,000
2019 SWAPS | October 2025
Property, Plant and Equipment [Line Items]
Notional amounts								200,000,000		200,000,000
Amounts returned to property and equipment | Minimum
Property, Plant and Equipment [Line Items]
PPE estimated useful lives									3 years
Amounts returned to property and equipment | Maximum
Property, Plant and Equipment [Line Items]
PPE estimated useful lives									15 years
Leasehold Improvements | Minimum
Property, Plant and Equipment [Line Items]
PPE estimated useful lives									3 years
Leasehold Improvements | Maximum
Property, Plant and Equipment [Line Items]
PPE estimated useful lives									15 years
2016 Caps | London Interbank Offered Rate (LIBOR)
Property, Plant and Equipment [Line Items]
Basis spread on variable rate							2.00%		2.00%
2019 swaps - Interest Rate Contracts | 2019 SWAPS
Property, Plant and Equipment [Line Items]
Notional amounts								100,000,000		100,000,000
2019 swaps - Interest Rate Contracts | 2019 SWAPS1
Property, Plant and Equipment [Line Items]
Notional amounts								$ 400,000,000		$ 400,000,000
2019 swaps - Interest Rate Contracts | London Interbank Offered Rate (LIBOR) | 2019 SWAPS
Property, Plant and Equipment [Line Items]
Basis spread on variable rate								1.96%		1.96%
2019 swaps - Interest Rate Contracts | London Interbank Offered Rate (LIBOR) | 2019 SWAPS1
Property, Plant and Equipment [Line Items]
Basis spread on variable rate								2.05%		2.05%
Revolving Credit Facility
Property, Plant and Equipment [Line Items]
Deferred financing costs, net of accumulated amortization							$ 1,300,000		$ 1,300,000
Dignity Health | Glendale Advanced Imaging | Joint Venture | Minimum
Property, Plant and Equipment [Line Items]
Variable interest entity, ownership percentage											35.00%
Dignity Health | Glendale Advanced Imaging | Joint Venture | Maximum
Property, Plant and Equipment [Line Items]
Variable interest entity, ownership percentage											55.00%
Promissory Note | Turner Imaging
Property, Plant and Equipment [Line Items]
Convertible promissory note														$ 100,000
COVID-19 Pandemic
Property, Plant and Equipment [Line Items]
Advance medicare payments						$ 39,400,000
Advance insurance carrier payments					$ 5,000,000.0
First Lien Credit Agreement | Line of Credit | Barclays | Revolving Credit Facility
Property, Plant and Equipment [Line Items]
Total credit facilities outstanding							$ 0		$ 0			$ 0