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The cash outflow associated with the purchase of real estate held-for-investment and real estate joint ventures.

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Real Estate Investments (Details) $ in Thousands	1 Months Ended				3 Months Ended		6 Months Ended		12 Months Ended
Real Estate Investments (Details) $ in Thousands	Aug. 05, 2026 USD ($) property	Jan. 31, 2026 USD ($) property	Dec. 31, 2025 USD ($) property	Feb. 28, 2025 USD ($) property	Jun. 30, 2026 USD ($) property	Mar. 31, 2026 USD ($) property	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($) property
Real Estate [Line Items]
Cash paid							$ 295,808	$ 0
Development and redevelopment projects, increase (decrease)							(50,000)
Development and redevelopment projects					$ 172,000		$ 172,000
Gateway Portfolio JV
Real Estate [Line Items]
Ownership (in percent)		50.00%
South San Francisco, California \| Gateway Portfolio JV
Real Estate [Line Items]
Number of properties acquired \| property			1
Ownership (in percent)			50.00%
Senior housing
Real Estate [Line Items]
Termination fee						$ 2,500
Lab \| Gateway Portfolio JV
Real Estate [Line Items]
Number of properties acquired \| property		6
Payments to acquire additional interest in subsidiaries		$ 132,000
Cumulative ownership (in percent)		100.00%					100.00%
Lab \| Massachusetts
Real Estate [Line Items]
Payments to acquire real estate				$ 20,000
Lab \| South San Francisco, California
Real Estate [Line Items]
Payments to acquire real estate			$ 295,000
Lab \| South San Francisco, California \| Gateway Portfolio JV
Real Estate [Line Items]
Number of properties acquired \| property			5
Payments to acquire joint ventures			$ 132,000
Senior Housing Properties \| GEORGIA
Real Estate [Line Items]
Number of properties acquired \| property						2
Payments to acquire real estate						$ 240,000
Senior Housing Properties \| GEORGIA \| Subsequent Event
Real Estate [Line Items]
Number of properties acquired \| property	3
Payments to acquire real estate	$ 425,000
Senior Housing Properties \| FLORIDA
Real Estate [Line Items]
Number of properties acquired \| property						3
Payments to acquire real estate						$ 121,000
Senior Housing Properties \| FLORIDA \| Subsequent Event
Real Estate [Line Items]
Number of properties acquired \| property	4
Payments to acquire real estate	$ 190,000
Senior Housing Properties \| NAPLES, FLORIDA \| Subsequent Event
Real Estate [Line Items]
Number of properties acquired \| property	1
Payments to acquire real estate	$ 149,000
Senior Housing Properties \| WASHINGTON
Real Estate [Line Items]
Number of properties acquired \| property					1	1
Payments to acquire real estate					$ 52,000	$ 41,000
Senior Housing Properties \| ARIZONA
Real Estate [Line Items]
Number of properties acquired \| property					1
Payments to acquire real estate					$ 52,000
Senior Housing Properties \| TEXAS \| Subsequent Event
Real Estate [Line Items]
Number of properties acquired \| property	8
Payments to acquire real estate	$ 150,000
Senior Housing Properties \| NEW MEXICO \| Subsequent Event
Real Estate [Line Items]
Number of properties acquired \| property	8
Payments to acquire real estate	$ 150,000
Senior Housing Properties \| KENTUCKY \| Subsequent Event
Real Estate [Line Items]
Number of properties acquired \| property	1
Payments to acquire real estate	$ 50,000
Senior Housing Properties \| COLORADO \| Subsequent Event
Real Estate [Line Items]
Number of properties acquired \| property	1
Payments to acquire real estate	$ 47,000
Lab Land Parcels \| Massachusetts
Real Estate [Line Items]
Number of properties acquired \| property						2
Payments to acquire real estate						$ 28,000
Outpatient Medical Buildings \| GEORGIA
Real Estate [Line Items]
Number of properties acquired \| property									9
Payments to acquire real estate									$ 7,000
Outpatient Medical Buildings \| NEW YORK
Real Estate [Line Items]
Number of properties acquired \| property				3
Payments to acquire real estate				$ 17,000
Outpatient Medical Buildings \| Alabama
Real Estate [Line Items]
Payments to acquire real estate									$ 7,000
SH 2019 Ventures, LLV (JV)
Real Estate [Line Items]
Investment ownership		46.50%
Cash paid		$ 312,000
Gain (loss) upon change of control, net		$ 46,000
SH 2019 Ventures, LLV (JV) \| Senior Housing Properties
Real Estate [Line Items]
Property count \| property		19