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Real Estate and Other Investments - Unconsolidated Joint Venture Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) property	Jun. 30, 2023 USD ($)
Real Estate
Equity in net (losses) earnings of investees	$ (12,307)	$ 2,929	$ (10,409)	$ 2,282
Corporate Joint Venture
Real Estate
Equity in net (losses) earnings of investees	$ (21,493)	$ 2,929	$ (19,880)	$ 2,282
Corporate Joint Venture | Seaport Innovation LLC
Real Estate
Equity method investment ownership percentage	10.00%		10.00%
Corporate Joint Venture | The LSMD Fund REIT LLC
Real Estate
Equity method investment ownership percentage	20.00%		20.00%
Corporate Joint Venture | Medical Office Building and Life Science Building
Real Estate
Number of properties included in joint venture agreement | property			10

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