Impairments of Real Estate (Details)	12 Months Ended
	Dec. 31, 2024 USD ($) property	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of real estate		$ 0	$ 0
Insured event loss	$ (29,076,000)	3,085,000	(7,168,000)
Outpatient Medical
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment of real estate	$ 13,000,000
Number of real estate properties impaired | property	1
Outpatient Medical | Held-for-sale
Impaired Long-Lived Assets Held and Used [Line Items]
Aggregate carrying value before impairment	$ 21,000,000
Real estate held-for-sale	8,000,000
Casualty-Related Losses
Impaired Long-Lived Assets Held and Used [Line Items]
Insured event loss	30,000,000	(3,000,000)	6,000,000
Casualty-Related Losses | Rental Revenues And Resident Fees And Services
Impaired Long-Lived Assets Held and Used [Line Items]
Insured event loss	$ 700,000	$ 4,000,000	3,000,000
Planned MOB Demolition, Tenant Relocation And Other Costs
Impaired Long-Lived Assets Held and Used [Line Items]
Expense on other			$ 14,000,000