Real Estate and Other Activities - 2023 Activity - Additional Information (Detail) $ in Thousands, £ in Millions					3 Months Ended				12 Months Ended
		Apr. 14, 2023 USD ($) Facility	Apr. 14, 2023 GBP (£) Facility	Feb. 07, 2023 USD ($) Facility	Mar. 31, 2024 USD ($)	Jun. 30, 2023 USD ($) Facility	Jun. 30, 2023 GBP (£) Facility	Mar. 31, 2023 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2023 USD ($)
Business Acquisition [Line Items]
Net impairment charge					$ 225,000			$ 79,000	$ 180,000
Additional mortgage loan									105,618	$ 142,089	$ 235,187
Loans repaid	[1]								$ 0	$ 0	22,900
PHP Holdings [Member]
Business Acquisition [Line Items]
Convertible loan								$ 50,000
General Acute Care Hospitals [Member]
Business Acquisition [Line Items]
Number of facilities acquired | Facility				8
Lease extension expiration term				5 years
Lease extension expiration year				2041
Behavioral Health Hospitals [Member]
Business Acquisition [Line Items]
Number of facilities acquired | Facility		5	5			3	3
Payment for acquisition		$ 58,000	£ 44			$ 77,000	£ 70
Number of leased facilities | Facility		5	5
Springstone Health Opco, LLC [Member]
Business Acquisition [Line Items]
Purchase price of acquisition				$ 250,000
Additional mortgage loan				205,000
Business Combination, Consideration Transferred, Equity Interest					$ 12,000
Springstone Health Opco, LLC [Member] | Mortgage Loans [Member]
Business Acquisition [Line Items]
Loans repaid				$ 23,000							$ 23,000

[1] The 2023 column includes a $23 million mortgage loan that was converted to fee simple ownership of one property as described under the Lifepoint Transaction below.