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Organization and Summary of Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Revenues | The following table presents a summary of revenues by service type as a percentage of total revenues:
|  | Year Ended December 31,
|  | 2023 |  | 2022 |  | 2021
Patient service revenues: |  |  |  |  |  |
Surgical facilities revenues |  | 96.0 | % |  | 95.8 | % |  | 95.7 | %
Ancillary services revenues |  | 2.4 | % |  | 2.7 | % |  | 3.0 | %
Total patient service revenues |  | 98.4 | % |  | 98.5 | % |  | 98.7 | %
Other service revenues |  | 1.6 | % |  | 1.5 | % |  | 1.3 | %
Total revenues |  | 100.0 | % |  | 100.0 | % |  | 100.0 | %
The following table sets forth patient service revenues by type of payor and as a percentage of total patient service revenues for the Company's consolidated surgical facilities (dollars in millions):
|  | Year Ended December 31,
|  | 2023 |  | 2022 |  | 2021
|  | Amount |  | % |  | Amount |  | % |  | Amount |  | %
Patient service revenues: |  |  |  |  |  |  |  |  |  |  |  |
Private insurance |  | $ | 1,418.6 |  |  | 52.5 | % |  | $ | 1,288.0 |  |  | 51.5 | % |  | $ | 1,110.1 |  |  | 50.6 | %
Government |  | 1,128.1 |  |  | 41.8 | % |  | 1,059.2 |  |  | 42.3 | % |  | 949.9 |  |  | 43.3 | %
Self-pay |  | 68.1 |  |  | 2.5 | % |  | 65.9 |  |  | 2.6 | % |  | 61.1 |  |  | 2.8 | %
Other (1) |  | 85.6 |  |  | 3.2 | % |  | 89.0 |  |  | 3.6 | % |  | 73.9 |  |  | 3.3 | %
Total patient service revenues |  | 2,700.4 |  |  | 100.0 | % |  | 2,502.1 |  |  | 100.0 | % |  | 2,195.0 |  |  | 100.0 | %
Other service revenues (2) |  | 42.9 |  |  |  |  | 37.2 |  |  |  |  | 30.1 |  |  |
Total revenues |  | $ | 2,743.3 |  |  |  |  | $ | 2,539.3 |  |  |  |  | $ | 2,225.1 |  |  |
(1)Other is comprised of anesthesia service agreements, automobile liability, letters of protection and other payor types. (2)Includes amounts attributable to related parties of $18.4 million, $15.7 million and $9.3 million for the years ended December 31, 2023, 2022 and 2021, respectively.
Schedule of Rollforward of Non-Controlling Interests - Redeemable | A summary of activity related to redeemable non-controlling interests for the years ended December 31, 2023 and 2022 is as follows (in millions):
|  | December 31,
|  | 2023 |  | 2022
Balance at beginning of period |  | $ | 342.0 |  |  | $ | 330.2 |
Net income attributable to non-controlling interests—redeemable |  | 37.8 |  |  | 44.5 |
Acquisition and disposal of shares of non-controlling interests, net—redeemable |  | (9.3) |  |  | 10.4 |
Distributions to non-controlling interest —redeemable holders |  | (43.1) |  |  | (43.1) |
Balance at end of period |  | $ | 327.4 |  |  | $ | 342.0 |
Schedule of Carrying Amounts and Fair Values of Long-Term Debt | A summary of the carrying amounts and estimated fair values of the Company's long-term debt follows (in millions):
|  | Carrying Amount |  | Fair Value
|  | December 31, |  | December 31,
|  | 2023 |  | 2022 |  | 2023 |  | 2022
Senior secured term loan |  | $ | 1,398.4 |  |  | $ | 1,370.0 |  |  | $ | 1,401.9 |  |  | $ | 1,359.7 |
6.750% senior unsecured notes due 2025 |  | $ | 185.0 |  |  | $ | 185.0 |  |  | $ | 183.2 |  |  | $ | 183.4 |
10.000% senior unsecured notes due 2027 |  | $ | 320.0 |  |  | $ | 320.0 |  |  | $ | 321.2 |  |  | $ | 326.8 |

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