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Real Estate and Other Investments - Schedule of Disposal Groups (Details) $ in Thousands	1 Months Ended			3 Months Ended
	Mar. 31, 2025 USD ($) property	Feb. 28, 2025 USD ($) property	Jan. 31, 2025 USD ($) property	Dec. 31, 2025 USD ($)	Mar. 31, 2025 USD ($) property	Mar. 31, 2024 USD ($)
Real Estate
Number of Properties | property	343				343
Redemption of senior notes					$ 238,555	$ 0
Disposed of by sale
Real Estate
Number of Properties | property	24				24
Sale Price					$ 320,825
Gain on Sale					110,140
Disposed of by sale | Senior Secured Note due 2026
Real Estate
Redemption of senior notes					$ 299,158
Held for sale
Real Estate
Number of Properties | property	11				11
Real Estate Properties, Net	$ 73,421				$ 73,421
Held for sale | Medical Office and Life Science Portfolio | Forecast
Real Estate
Sale Price				$ 6,500
Held for sale | Operating Segments | Medical Office and Life Science Portfolio
Real Estate
Number of Properties | property	5				5
Real Estate Properties, Net	$ 25,368				$ 25,368
Held for sale | Operating Segments | SHOP
Real Estate
Number of Properties | property	5				5
Real Estate Properties, Net	$ 45,813				$ 45,813
Held for sale | All Other
Real Estate
Number of Properties | property	1				1
Real Estate Properties, Net	$ 2,240				$ 2,240
Delaware | Senior Living (SHOP) | Disposed of by sale
Real Estate
Number of Properties | property			1
Sale Price			$ 2,900
Gain on Sale			$ 1,263
California | Life Science | Disposed of by sale
Real Estate
Number of Properties | property			3
Sale Price			$ 159,025
Gain on Sale			$ 9,723
Arizona | Life Science | Disposed of by sale
Real Estate
Number of Properties | property		1
Sale Price		$ 16,800
Gain on Sale		$ 65
Various | Senior Living (SHOP) | Disposed of by sale
Real Estate
Number of Properties | property		18
Sale Price		$ 135,000
Gain on Sale		$ 97,560
Connecticut | Medical Office Building | Disposed of by sale
Real Estate
Number of Properties | property	1				1
Sale Price	$ 7,100
Gain on Sale	$ 1,529

X

- Definition

This element represents the aggregate sales price excluding closing costs, of real estate properties sold by the entity.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(9)(a))
-Publisher FASB
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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The number of real estate properties owned as of the balance sheet date.

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Amount of investment in land and building held for sale. Excludes real estate considered inventory.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
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-Name Accounting Standards Codification
-Section S99
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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 976
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