Relationship with Universal Health Realty Income Trust and Other Related Party Transactions - Additional Information 2 (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) Bed	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Related Party Transaction [Line Items]
Lease and rental expense	$ 35,450	$ 34,922
Relationship with Universal Health Realty Income Trust
Related Party Transaction [Line Items]
Financial liability included in debt	76,600		$ 77,500
Lease and rental expense	$ 5,000	5,000
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 expense	$ 2,800	$ 2,700
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