Real Estate and Other Activities - Disposals - 2024 Activity Additional Information (Detail) $ in Thousands							3 Months Ended		12 Months Ended
	Sep. 18, 2024 Facility	Aug. 14, 2024 USD ($) Freestanding	Jul. 23, 2024 USD ($) Freestanding Bed	Apr. 12, 2024 USD ($) Hospital	Apr. 09, 2024 USD ($) Property	May 01, 2023 USD ($)	Dec. 31, 2024 USD ($)	Mar. 31, 2023 Facility	Dec. 31, 2025 USD ($) Facility	Dec. 31, 2024 USD ($) Facility	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Number of facilities sold | Facility								3	9
Proceeds from sale of investments									$ 121,000
Gain (loss) on sale of real estate									5,545	$ 478,693	$ (1,815)
Gain (loss) on real estate dispositions									$ 5,500
Space Coast Properties
Debt Instrument [Line Items]
Proceeds from sale of investments							$ 440,000
Space Coast Properties | Orlando Health [Member]
Debt Instrument [Line Items]
Gain (loss) on sale of real estate							2,000
Space Coast Properties | Florida | Orlando Health [Member]
Debt Instrument [Line Items]
Number of facilities sold | Facility	3
Watsonville Facility | Pajaro Valley Healthcare District Corporation [Member]
Debt Instrument [Line Items]
Proceeds from sale of investments							40,000
Gain (loss) on sale of real estate							4,000
Institutional Asset Manager [Member]
Debt Instrument [Line Items]
Number of Utah hospitals sold | Hospital				5
Gain (loss) on real estate dispositions				$ 380,000
Prime Healthcare Services, Inc. Facilities [Member]
Debt Instrument [Line Items]
Number of properties sold | Property					5
Profit (loss) from real estate operations										$ 14,000
Number of facilities sold | Facility										6
Number of ancillary facilities sold | Facility										2
Proceeds from sale of investments					$ 250,000
Gain (loss) on real estate dispositions					53,000
Proceeds from interest-bearing mortgage loan					100,000
Non-cash straight-line rent write-offs					30,000
Lease purchase option value					238,000
Lease purchase option price reverts					$ 260,000
Prime Healthcare Services, Inc. Facilities [Member] | Minimum [Member]
Debt Instrument [Line Items]
Inflation-based Percentage for Amended Lease					2.00%
Prime Healthcare Services, Inc. Facilities [Member] | Maximum [Member]
Debt Instrument [Line Items]
Inflation-based Percentage for Amended Lease					4.00%
Arizona General Hospital [Member] | Dignity Health [Member]
Debt Instrument [Line Items]
Number of bed sold | Bed			50
Freestanding Emergency Departments [Member] | Dignity Health [Member]
Debt Instrument [Line Items]
Number of facilities sold | Freestanding			7
Freestanding Emergency Departments [Member] | UCHealth [Member]
Debt Instrument [Line Items]
Number of facilities sold | Freestanding		11
General Hospital and Freestanding Emergency Departments [Member]
Debt Instrument [Line Items]
Gain (loss) on sale of real estate		$ 40,000	$ 85,000
Non-cash straight-line rent receivables		16,000	20,000
General Hospital and Freestanding Emergency Departments [Member] | Dignity Health [Member]
Debt Instrument [Line Items]
Proceeds from sale of investments			$ 160,000
General Hospital and Freestanding Emergency Departments [Member] | UCHealth [Member]
Debt Instrument [Line Items]
Proceeds from sale of investments		$ 86,000
CommonSpirit Health [Member]
Debt Instrument [Line Items]
Straight-line rent write-offs						$ 95,000
Steward Health Care System LLC [Member]
Debt Instrument [Line Items]
Bankruptcy claims amount settled							$ 395,000			$ 395,000