Relationship with Universal Health Realty Income Trust and Other Related Party Transactions - Additional Information 2 (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($) Bed	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Related Party Transaction [Line Items]
Lease and rental	$ 146,433	$ 141,026	$ 131,626
Relationship with Universal Health Realty Income Trust
Related Party Transaction [Line Items]
Financial liability included in debt	73,800	77,500
Lease and rental	$ 21,200	20,600
Notice period on renewal of lease	90 days
Behavioral Health Care Facility | Relationship with Universal Health Realty Income Trust
Related Party Transaction [Line Items]
Lease and rental	$ 2,800	$ 2,700	$ 2,600
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