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Real Estate and Other Investments - Equity Method Investment in AlerisLife and Other (Details) - USD ($) $ in Thousands			3 Months Ended		9 Months Ended
	Jul. 15, 2025	Feb. 14, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Real Estate
Equity method investment			$ 8,240		$ 8,240		$ 24,590
Equity in net earnings (losses) of an investee					9,652	$ (9,882)
Equity method investment distributions					48,400	0
Gain on insurance recoveries			0	$ 0	7,522	0
AlerisLife Inc
Real Estate
Payments of dividends	$ 10,000	$ 50,000
AlerisLife Inc
Real Estate
Equity method investment, difference between carrying amount and underlying equity			$ 29,500		$ 29,500
AlerisLife Inc
Real Estate
Equity method investment ownership percentage			34.00%		34.00%
Equity method investment			$ 8,240		$ 8,240
Equity in net earnings (losses) of an investee			2,863	(1,531)	2,938	7,414
Equity method investment distributions	$ 3,400	$ 17,000
AlerisLife Inc \| Equity Method Investments
Real Estate
Amortization			$ 351	$ 351	$ 1,053	$ 877