Real Property Acquisitions and Development - Narrative (Details) - Seniors Housing Operating Properties, Affinity Brand $ in Millions	1 Months Ended
Feb. 29, 2024 USD ($) property
Business Acquisition [Line Items]
Number of assets acquired \| property	25
Expected consideration	$ 969
Transactions	$ 523

Purchase price of expected asset acquisition prior to consideration being transferred. Excludes business acquisition.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 50
-Name Accounting Standards Codification
-Section 15
-Paragraph 3
-Publisher FASB
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 20
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-Section 50
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-Publisher FASB
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Asset Acquisition, Assets Acquired and Liabilities Assumed, Secured Debt

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