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SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) |  |  |  | 3 Months Ended | 12 Months Ended | 24 Months Ended | 27 Months Ended | 40 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 20, 2022 USD ($) $ / shares shares | Jul. 01, 2020 USD ($) | Nov. 05, 2019 USD ($) | Mar. 31, 2022 USD ($) jointVenture security incentivePlan | Mar. 31, 2021 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Oct. 30, 2025 USD ($) | Dec. 31, 2021 USD ($) | Mar. 31, 2022 USD ($) jointVenture security incentivePlan | Oct. 31, 2023 USD ($) | Apr. 15, 2021 incentivePlan shares | Jun. 30, 2019 USD ($) agreement
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Contracts receivable, factoring receivable |  |  |  | $ 17,000,000 |  | $ 17,700,000 |  |  | $ 17,700,000 | $ 17,000,000 |  |  |
Deferred financing costs, net of accumulated amortization |  |  |  | 2,000,000 |  | 2,100,000 |  |  | 2,100,000 | 2,000,000 |  |  |
Goodwill |  |  |  | 570,188,000 |  | 513,820,000 |  |  | 513,820,000 | 570,188,000 |  |  |
Indefinite-lived intangible assets |  |  |  | 13,200,000 |  |  |  |  |  | $ 13,200,000 |  |  |
Income tax expense |  |  |  | $ (1,496,000) | $ (4,376,000) |  |  |  |  |  |  |  |
Effective tax rate |  |  |  | 15.20% | 24.10% |  |  |  |  |  |  |  |
Number of plans | incentivePlan |  |  |  | 1 |  |  |  |  |  | 1 |  | 1 |
Number of shares authorized (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  | 16,500,000 |
Amount of loss recognized in income on derivative (current period ineffective portion) |  | $ 24,400,000 |  |  |  |  |  |  |  |  |  |  |
Share price (dollars per share) | $ / shares | $ 22.37 |  |  |  |  |  |  |  |  |  |  |  |
Total credit facilities outstanding |  |  |  | $ 0 |  | 0 |  |  | 0 | $ 0 |  |  |
Number of securities without readily determinable fair value | security |  |  |  | 3 |  |  |  |  |  | 3 |  |  |
Number of unconsolidated joint ventures | jointVenture |  |  |  | 13 |  |  |  |  |  | 13 |  |  |
Management service fees |  |  |  | $ 5,500,000 | $ 5,200,000 |  |  |  |  |  |  |  |
Medic Vision |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total net assets |  |  |  | $ 1,200,000 |  |  |  |  |  | $ 1,200,000 |  |  |
Ownership percentage |  |  |  | 14.21% |  |  |  |  |  | 14.21% |  |  |
WhiteRabbit.ai Inc. |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire equity method investments |  |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |
Payments to fund loan to related parties |  |  | $ 2,500,000 |  |  |  |  |  |  |  |  |  |
Quantib B.V |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill | $ 22,200,000 |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration, liability, period | 18 months |  |  | 18 months |  |  |  |  |  |  |  |  |
Additional number of shares issued (in shares) | shares | 113,303 |  |  |  |  |  |  |  |  |  |  |  |
Fair value of additional shares issued after execution | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Aidence Holding B.V. and Quantib B.V |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill from acquisitions |  |  |  | $ 7,300,000 |  |  |  |  |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred financing costs, net of accumulated amortization |  |  |  | $ 2,000,000 |  |  |  |  |  | $ 2,000,000 |  |  |
Forecast |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Monthly amortization of deferred hedge gains |  |  |  |  |  |  |  | $ 300,000 |  |  | $ 400,000 |  |
2019 SWAPS |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of forward interest rate cap agreements | agreement |  |  |  |  |  |  |  |  |  |  |  |  | 4
Notional amounts |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000,000
2019 SWAPS | 2019 Swaps - Interest Rate Contracts |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amounts |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000,000
2019 SWAPS | 2019 Swaps - Interest Rate Contracts | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  |  | 1.96%
2019 SWAPS | October 2023 |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of forward interest rate cap agreements | agreement |  |  |  |  |  |  |  |  |  |  |  |  | 2
Notional amounts |  |  |  |  |  |  |  |  |  |  |  |  | $ 50,000,000
2019 SWAPS | October 2025 |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amounts |  |  |  |  |  |  |  |  |  |  |  |  | 200,000,000
2019 SWAPS | 2019 Swaps - Interest Rate Contracts |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amounts |  |  |  |  |  |  |  |  |  |  |  |  | $ 400,000,000
2019 SWAPS | 2019 Swaps - Interest Rate Contracts | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  |  |  |  |  |  |  | 2.05%
Restated Plan |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares authorized (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  | 16,500,000 |
Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based payment award, award vesting period |  |  |  | 3 years |  |  |  |  |  |  |  |  |
Share-based payment award, expiration period |  |  |  | 5 years |  |  |  |  |  |  |  |  |
Minimum | Dignity Health | Joint Venture | Glendale Advanced Imaging |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Variable interest entity, ownership percentage |  |  |  | 35.00% |  |  |  |  |  |  |  |  |
Minimum | Amounts returned to property and equipment |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
PPE estimated useful lives |  |  |  | 3 years |  |  |  |  |  |  |  |  |
Minimum | Leasehold Improvements |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
PPE estimated useful lives |  |  |  | 3 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 |  |  |  |  |  |  |  |  |
Maximum | Dignity Health | Joint Venture | Glendale Advanced Imaging |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Variable interest entity, ownership percentage |  |  |  | 55.00% |  |  |  |  |  |  |  |  |
Maximum | Amounts returned to property and equipment |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
PPE estimated useful lives |  |  |  | 15 years |  |  |  |  |  |  |  |  |
Maximum | Leasehold Improvements |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
PPE estimated useful lives |  |  |  | 15 years |  |  |  |  |  |  |  |  |
First Lien Credit Agreement | Revolving Credit Facility | Barclays | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total credit facilities outstanding |  |  |  | $ 0 |  | 0 |  |  | 0 | 0 |  |  |
COVID-19 Pandemic |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Advance medicare payments |  |  |  |  |  | 100,000 | $ 39,500,000 |  |  | 39,600,000 |  |  |
Proceeds from provider relief funding |  |  |  | 0 | $ 6,200,000 | 9,100,000 | 26,300,000 |  | $ 35,400,000 |  |  |  |
Repayment of advance medicare payments |  |  |  | 36,000,000 |  |  |  |  |  |  |  |  |
Deferred social security taxes |  |  |  | $ 8,100,000 |  |  | $ 16,300,000 |  |  | $ 8,100,000 |  |  |
Refundable claim percentage |  |  |  |  |  |  | 50.00% |  |  |  |  |  |
Reduction in deferred social security taxes |  |  |  |  |  | $ 7,700,000 |  |  |  |  |  |  |
COVID-19 Pandemic | Paycheck Protection Program loans at 1% due April 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from PPP loans |  |  |  |  |  |  | $ 4,000,000 |  |  |  |  |  |

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