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The book value of investments in real estate joint ventures including direct and indirect investments.

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Investments in Unconsolidated Entities - Summary of Investments in Unconsolidated Entities (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	$ 2,045,081	$ 1,809,590
Non-segment/Corporate
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	378,961	101,895
Seniors Housing Operating
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	$ 1,518,195	1,466,832
Seniors Housing Operating \| Minimum
Schedule of Equity Method Investments [Line Items]
Percentage ownership	8.00%
Seniors Housing Operating \| Maximum
Schedule of Equity Method Investments [Line Items]
Percentage ownership	95.00%
Triple-net
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	$ 19,566	19,055
Triple-net \| Minimum
Schedule of Equity Method Investments [Line Items]
Percentage ownership	20.00%
Triple-net \| Maximum
Schedule of Equity Method Investments [Line Items]
Percentage ownership	20.00%
Outpatient Medical
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities	$ 128,359	$ 221,808
Outpatient Medical \| Minimum
Schedule of Equity Method Investments [Line Items]
Percentage ownership	15.00%
Outpatient Medical \| Maximum
Schedule of Equity Method Investments [Line Items]
Percentage ownership	50.00%
Non-segment/Corporate \| Minimum
Schedule of Equity Method Investments [Line Items]
Percentage ownership	32.00%
Non-segment/Corporate \| Maximum
Schedule of Equity Method Investments [Line Items]
Percentage ownership	88.00%