Purchase and Sale Transaction, Acquisitions, Divestitures and New Construction - Additional Information (Detail)				1 Months Ended							3 Months Ended	12 Months Ended
		Dec. 01, 2022	Dec. 28, 2020 USD ($) Time	Mar. 31, 2022 USD ($) ft²	Jan. 31, 2022 USD ($) ft² Tenant Time	Nov. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	May 31, 2021 USD ($) Time	Sep. 30, 2019	Jul. 31, 2019 USD ($) Time	Mar. 31, 2022 USD ($) ft² Subsidiary	Dec. 31, 2022 USD ($) Time Disposition	Dec. 31, 2021 USD ($) Subsidiary	Dec. 31, 2020 Disposition
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Gains on divestitures of real estate assets													$ 87,314,000
Outstanding loan balance													$ 13,100,000
Construction loan scheduled maturity													Jun. 30, 2025
Number of dispositions | Disposition												0		0
Grayson Properties II LP
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Non-controlling equity interest, ownership percentage	[1],[2]											95.00%
Construction loan												$ 13,100,000
Funded commitment to investment in equity and debt financing													$ 1,900,000
Grayson Properties II LP | Maximum
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Commitment to investment													4,800,000
Auburn Medical Office Building II
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Sale price net of closing costs						$ 24,900,000
Gains on divestitures of real estate assets													15,200,000
Cash from sale proceeds held by qualified third party intermediary													17,600,000
Medical office buildings
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Sale price net of closing costs							$ 3,200,000
Gains on divestitures of real estate assets													1,300,000
Beaumont Medical Sleep Center Building
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Number of term renewal options | Time			3
Total purchase price			$ 2,200,000
Percentage of building area leased			100.00%
Renewal options period			5 years
Double net lease agreement period			15 days
Initial lease terms			14 years
Aiken Regional Medical Center and Canyon Creek Behavioral Health
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Number of term renewal options | Time												7
Fair market value of real estate assets received												$ 83,600,000	$ 82,400,000
Lease expiration date													Dec. 31, 2033
Universal Health Services, Inc
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Percentage of rentable square feet									50.00%
Number of term renewal options | Time								2
Master flex lease term									10 years
Option to renew lease, notice period prior to termination date of current term												90 days
Universal Health Services, Inc | Fire Mesa Office Building
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Total purchase price								$ 12,900,000
Percentage of building area leased								100.00%
Renewal options period								5 years
Universal Health Services, Inc | Subsidiary
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Number of wholly-owned subsidiaries | Subsidiary											2		2
Financing receivable												$ 83,600,000	$ 82,400,000
Third-Party Tenant
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Construction loan													13,100,000
Universal Health Services, Inc and Catholic Health Initiatives
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Number of term renewal options | Time										5
Initial lease term on property										20 years
Renewal option term										10 years
Project manager's aggregate fee										$ 750,000
Option to renew lease, notice period prior to termination date of current term										270 days
Period to purchase respective leased facilities prior to end of lease term or renewal terms										270 days
Asset Purchase and Sale Agreement | Universal Health Services, Inc | Subsidiary
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Cash received for sale of real estate asset											$ 4,100,000		4,100,000
Gain on sale of real estate assets													68,400,000
Asset Purchase and Sale Agreement | Universal Health Services, Inc | Subsidiary | Inland Valley Campus of Southwest Healthcare System
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Fair market value of real estate asset sold													79,600,000
Cash received for sale of real estate asset													2,800,000
Asset Purchase and Sale Agreement | Universal Health Services, Inc | Subsidiary | Aiken Regional Medical Center
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Fair market value of real estate assets received													57,700,000
Asset Purchase and Sale Agreement | Universal Health Services, Inc | Subsidiary | Canyon Creek Behavioral Health
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Fair market value of real estate asset sold													$ 26,000,000.0
Asset Purchase and Sale Agreement | Universal Health Services, Inc | Subsidiary | Aiken Regional Medical Center and Canyon Creek Behavioral Health
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Number of wholly-owned subsidiaries | Subsidiary													2
Fair market value of real estate assets received											83,700,000		$ 83,700,000
Frederick, Maryland | Third-Party Tenant
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Payment to acquire business					$ 8,000,000.0
Percentage of lease					100.00%
Number of tenants | Tenant					3
Percentage of rentable square feet					72.00%
Number of term renewal options | Time					3
Renewal Term (years)					5 years
Rentable square feet | ft²					20,146
Double net lease agreement period					15 years
Initial lease terms					14 years
Wildomar, California | Asset Purchase and Sale Agreement | Universal Health Services, Inc | Subsidiary | Inland Valley Campus of Southwest Healthcare System
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Fair market value of real estate asset sold											79,600,000		79,600,000
Aiken, South Carolina | Asset Purchase and Sale Agreement | Universal Health Services, Inc | Subsidiary | Aiken Regional Medical Center
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Fair market value of real estate assets received											57,700,000		57,700,000
Temple, Texas | Asset Purchase and Sale Agreement | Universal Health Services, Inc | Subsidiary | Canyon Creek Behavioral Health
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Fair market value of real estate assets received											$ 26,000,000.0		$ 26,000,000.0
Denison Texas | Grayson Properties II LP
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Non-controlling equity interest, ownership percentage									95.00%
Denison Texas | Grayson Properties II LP | Maximum
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Commitment to investment												4,800,000
Sierra Medical Plaza I | Reno, Nevada | Ground Lease and Master Flex-lease Agreement | Universal Health Services, Inc
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Percentage of rentable square feet					68.00%
Rentable square feet | ft²					86,000
Cost of medical office building					$ 34,600,000							34,600,000
Cost Of Medical Office Building Incurred												$ 20,900,000
Beaumont Heart And Vascular Center | Dearborn Michigan
Purchase And Sale Transaction Acquisitions Divestitures And New Construction [Line Items]
Payment to acquire business				$ 5,400,000
Percentage of lease				100.00%
Lease expiration date				Nov. 30, 2026
Percentage of lease escalations		2.5
Rentable square feet | ft²				17,621							17,621

[1] Construction on this MOB was substantially completed in December 2020. The MOB is located in Denison, Texas on the campus of a hospital owned and operated by a wholly-owned subsidiary of UHS. We have committed to invest up to $4.8 million in equity and debt financing, $1.8 million of which has been funded as of December 31, 2022. This LLP entered into a $13.1 million third-party construction loan, which is non-recourse to us, which has an outstanding balance of $13.1 million as of December 31, 2022. Monthly principal and interest payments on this loan commenced on January 1, 2023. The LP developed constructed, owns and operates the Texoma Medical Plaza II.

[2] We are the lessee with a UHS-related party for the land related to this property.