The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of realized and unrealized gain (loss) on investment.

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The number of real estate properties owned as of the balance sheet date.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Real Estate - 2023 Real Estate Investment Acquisitions (Details) $ in Millions	1 Months Ended						12 Months Ended
	Apr. 30, 2023 USD ($) property	Jan. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	May 31, 2022 USD ($)	Mar. 31, 2022 USD ($)	Jan. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2023 property
HCP Ventures IV, LLC
Real Estate [Line Items]
Investment ownership percentage	80.00%							20.00%
Property count \| property	1
Payments to acquire equity method investments	$ 4.0
Gain on investments	$ 0.2
Lab
Real Estate [Line Items]
Property count \| property								2
Massachusetts \| Lab
Real Estate [Line Items]
Payments to acquire real estate		$ 9.0	$ 18.0			$ 72.0	$ 498.0
California \| Lab
Real Estate [Line Items]
Payments to acquire real estate						$ 24.0	$ 20.0
Texas \| Outpatient medical
Real Estate [Line Items]
Payments to acquire real estate					$ 43.0
ARKANSAS \| Outpatient medical
Real Estate [Line Items]
Payments to acquire real estate				$ 26.0