Dispositions, Real Property Held for Sale and Impairment - Summary of Real Property Disposition Activity (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($) property	Mar. 31, 2024 USD ($) property
Real estate dispositions
Total dispositions	$ 471,695	$ 39,985
Gain (loss) on real estate dispositions and acquisitions of controlling interests, net	51,777	4,707
Net other assets/(liabilities) disposed	(468)	142
Non-cash consideration	(205,341)	0
Cash proceeds from real estate dispositions	$ 317,663	44,834
Number of properties contributed | property	6
4 Properties Disposed
Real estate dispositions
Property sold | property	4
Chartwell Joint Venture, Disposal Transaction
Real estate dispositions
Property sold | property	16
Seniors Housing Operating
Real estate dispositions
Total dispositions	$ 289,755	$ 39,985
Number of properties owned | property		6
Triple-net
Real estate dispositions
Total dispositions	$ 181,940	$ 0