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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Indicates line item in statement of income or comprehensive income that includes sales-type lease income.

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Leases - Narrative (Details)	3 Months Ended			9 Months Ended		12 Months Ended
Leases - Narrative (Details)	Sep. 30, 2026 USD ($) property lease	Sep. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Sep. 30, 2026 USD ($) property lease	Sep. 30, 2025 USD ($)	Dec. 31, 2024 property	Dec. 31, 2025 property
Lessee, Lease, Description [Line Items]
Rental income	$ 488,641,000	$ 499,475,000		$ 1,402,223,000	$ 1,444,082,000
Rental and other revenues related to operating lease payments, variable leases				$ 40,539,000	167,865,000
Sales type lease, number of properties \| property	11			11			30
Gain (loss) on real estate dispositions and acquisitions of controlling interests, net	$ (114,678,000)	$ (4,025,000)		$ (633,615,000)	(70,652,000)
Cash proceeds from real estate dispositions				2,627,701,000	522,087,000
Reclassification To Sales Type Leases
Lessee, Lease, Description [Line Items]
Gain (loss) on real estate dispositions and acquisitions of controlling interests, net				$ 24,845,000
39 Properties Disposed \| Discontinued Operations, Disposed of by Sale
Lessee, Lease, Description [Line Items]
Property sold \| property				39
Cash proceeds from real estate dispositions				$ 575,691,000
2 Properties Disposed
Lessee, Lease, Description [Line Items]
Number of sales-type leases \| lease	2			2
4 Properties Disposed
Lessee, Lease, Description [Line Items]
Gain (loss) on real estate dispositions and acquisitions of controlling interests, net					(2,523,000)
Property sold \| property						4
Cash proceeds from real estate dispositions			$ 174,824,000
30 Properties Disposed
Lessee, Lease, Description [Line Items]
Gain (loss) on real estate dispositions and acquisitions of controlling interests, net				$ 3,059,000
Sales type lease income				$ 8,077,000	$ 2,111,000
Sales-Type Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]				Interest income	Interest income
Seniors Housing Operating
Lessee, Lease, Description [Line Items]
Rental income				$ 721,234,000	$ 589,289,000
Minimum
Lessee, Lease, Description [Line Items]
Lease term extension period (in years)				1 year
Maximum
Lessee, Lease, Description [Line Items]
Lease term extension period (in years)				25 years