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Business and Summary of Significant Accounting Policies - Concentration of Revenues - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2023 Department Hospital | Dec. 31, 2022 | Dec. 31, 2021
Summary Of Business And Significant Accounting Policies [Line Items] |  |  |
Number of hospital facilities | 5 |  |
Las Vegas, Nevada | Net Revenue | Geographic Concentration Risk |  |  |
Summary Of Business And Significant Accounting Policies [Line Items] |  |  |
Percentage of revenue | 14.00% | 15.00% | 16.00%
Las Vegas, Nevada | Acute Care Hospital Services |  |  |
Summary Of Business And Significant Accounting Policies [Line Items] |  |  |
Number of hospital facilities | 7 |  |
Number of free standing emergency departments | Department | 7 |  |

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