Number of beds available in acute care hospital.

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Number of freestanding emergency departments to be acquired in business acquisition.

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- Definition

Number of square feet to be acquired in edical office building.

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Number of square feet to be constructed in medical office building.

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Percentage of master lease rentable square feet of medical office building.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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-Topic 946
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-Name Accounting Standards Codification
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Relationship with Universal Health Realty Income Trust and Other Related Party Transactions - Additional Information 3 (Detail)	3 Months Ended
	Mar. 31, 2024 USD ($) Facility	Sep. 30, 2023 USD ($) SquareFoot	Mar. 31, 2023 USD ($) Bed SquareFoot
Related Party Transaction [Line Items]
Lease and rental expense	$ 35,450,000		$ 34,922,000
Relationship with Universal Health Realty Income Trust
Related Party Transaction [Line Items]
Number of free-standing emergency departments to be acquired \| Facility	2
Number of square feet to be acquired \| SquareFoot		79,500
Percentage of master lease rentable square feet		100.00%	68.00%
Lease and rental expense	$ 5,000,000		$ 5,000,000
Number of square feet to be constructed \| SquareFoot			86,000
Number of beds available in acute care hospital \| Bed			170
Minimum \| Relationship with Universal Health Realty Income Trust
Related Party Transaction [Line Items]
Lease and rental expense		$ 624,000	$ 1,300,000
Limited Liability Companies \| Minimum \| Relationship with Universal Health Realty Income Trust
Related Party Transaction [Line Items]
Non-controlling ownership interests	95.00%
Limited Liability Companies \| Maximum \| Relationship with Universal Health Realty Income Trust
Related Party Transaction [Line Items]
Non-controlling ownership interests	100.00%