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Relationship with Universal Health Realty Income Trust and Other Related Party Transactions - Additional Information 2 (Detail) | 12 Months Ended
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Dec. 31, 2023 USD ($) Hospital Bed | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) Hospital
Related Party Transaction [Line Items] |  |  |
Lease and rental | $ 141,026,000 | $ 131,626,000 | $ 118,863,000
Number of hospital facilities | Hospital | 5 |  |
Relationship with Universal Health Realty Income Trust |  |  |
Related Party Transaction [Line Items] |  |  |
Financial liability included in debt | $ 77,500,000 | 80,900,000 |
Lease and rental | $ 20,600,000 | 20,200,000 |
Number of hospital facilities | Hospital |  |  | 3
Notice period on renewal of lease | 90 days |  |
McAllen Medical Center, Wellington Regional Medical Center and Inland Valley Campus of Southwest Healthcare System | Relationship with Universal Health Realty Income Trust |  |  |
Related Party Transaction [Line Items] |  |  |
Lease and rental |  |  | $ 17,700,000
Behavioral Health Care Facility | Relationship with Universal Health Realty Income Trust |  |  |
Related Party Transaction [Line Items] |  |  |
Lease and rental | $ 2,700,000 | 2,600,000 | $ 2,500,000
Notice period on renewal of lease | 270 days |  |
Number of bed available in behavioral health care facility | Bed | 100 |  |
Period of rights of refusal to leased facilities | 30 days |  |
Aiken Regional Medical Center and Canyon Creek Behavioral Health | Relationship with Universal Health Realty Income Trust |  |  |
Related Party Transaction [Line Items] |  |  |
Percentage of annual rental increase on cumulative and compound basis | 2.25% |  |
Bonus Rental | Aiken Regional Medical Center and Canyon Creek Behavioral Health | Relationship with Universal Health Realty Income Trust |  |  |
Related Party Transaction [Line Items] |  |  |
Lease revenue |  | $ 0 |

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