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v3.19.1

Related Party Transactions - Additional Information (Detail) - USD ($) | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Nov. 28, 2018 | Jun. 28, 2018 | Nov. 16, 2015
LMA [Member] |  |  |  |  |
Equity Method Investment, Ownership Percentage | 25.00% |  |  |  |
Revenue from Related Parties | $ 3,200,000 | $ 4,600,000 |  |  |
Service [Member] | PMIOC [Member] |  |  |  |  |
Payment Made To Related Party | 700,000 | 400,000 |  |  |
Service [Member] | AMG, Inc [Member] |  |  |  |  |
Payment Made To Related Party | 1,300,000 | 700,000 |  |  |
Service [Member] | DMG [Member] |  |  |  |  |
Payment Made To Related Party | 2,000,000 | 1,600,000 |  |  |
Universal Care Inc [Member] |  |  |  |  |
Accounts and Other Receivables, Net, Current |  |  |  |  | $ 5,000,000
Equity Method Investment, Ownership Percentage |  |  |  |  | 48.90%
Advance Diagnostic Surgery Center [Member] | Service [Member] |  |  |  |  |
Payment Made To Related Party | 92,000 | 22,000 |  |  |
Medical Property Partners [Member] |  |  |  |  |
Payment Made To Related Party | 300,000 | 300,000 |  |  |
Medical Investment Group LLC [Member] |  |  |  |  |
Payment Made To Related Party |  | 90,000 |  |  |
APC Shareholders [Member] | Service [Member] |  |  |  |  |
Payment Made To Related Party | $ 9,300,000 | 9,200,000 |  |  |
APC Shareholders [Member] | Service [Member] | PMIOC [Member] |  |  |  |  |
Equity Method Investment, Ownership Percentage | 40.00% |  |  |  |
APC Shareholders [Member] | Service [Member] | DMG [Member] |  |  |  |  |
Equity Method Investment, Ownership Percentage | 40.00% |  |  |  |
Shareholders And Officers [Member] |  |  |  |  |
Payment Made To Related Party | $ 3,300,000 | 2,300,000 |  |  |
Universal Care Acquisition Partners, LLC [Member] |  |  |  |  |
Accounts and Other Receivables, Net, Current |  |  | $ 5,000,000 | $ 2,500,000 |
Critical Quality Management Corp [Member] |  |  |  |  |
Payment Made To Related Party | 100,000 | 35,000 |  |  |
Numen LLC [Member] |  |  |  |  |
Payment Made To Related Party | 100,000 | 100,000 |  |  |
AHMC [Member] |  |  |  |  |
Revenue from Related Parties | 10,100,000 | 18,000,000 |  |  |
Deferred Revenue, Revenue Recognized | $ 49,800,000 | $ 44,200,000 |  |  |

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