Dispositions, Real Property Held for Sale and Impairment - Summary of Real Property Disposition Activity (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Real estate dispositions:
Total dispositions	$ 391,519	$ 175,633	$ 828,866
Gain (loss) on real estate dispositions, net	67,898	16,043	235,375
Net other assets (liabilities) disposed	(846)	7,820	6,081
Non-cash consideration	(361,830)	0	0
Cash proceeds from real estate dispositions	96,741	199,496	1,070,322
Seniors Housing Operating
Real estate dispositions:
Total dispositions	385,128	85,413	112,837
Triple-net
Real estate dispositions:
Total dispositions	6,391	89,827	486,369
Outpatient Medical
Real estate dispositions:
Total dispositions	$ 0	$ 393	$ 229,660

The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Amount of real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate.

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Disposal Group, Including Discontinued Operations, Non-Cash Consideration

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Gain Loss On Sale Of Other Assets and Liabilities.

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Real property dispositions.

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