Loans Receivable - Narrative (Details) $ in Thousands	1 Months Ended			3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2026 USD ($)	Nov. 30, 2024 USD ($) property	Jul. 31, 2024 USD ($) extension_option property	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)	Aug. 05, 2026 USD ($) property	Dec. 31, 2025 USD ($)	Aug. 31, 2025 USD ($)	Jan. 31, 2025 USD ($)
Loans Receivable:
Loans receivable, net	$ 261,398			$ 261,398		$ 261,398				$ 606,020
Credit loss reserve on unfunded loan commitments	500			500		500				1,100
Sunrise Senior Housing Portfolio
Loans Receivable:
Loans receivable, net											$ 58,000
Other SHOP Seller Financing | Secured Loans
Loans Receivable:
Loans receivable, net												$ 48,000
Outpatient Medical Buildings
Loans Receivable:
Number of properties sold | property			59
Proceeds from sale of property			$ 674,000
Investments in loans receivable			$ 405,000
Loans receivable, number of extensions (in months) | extension_option			2
Loan receivable, period of extensions (in months)			12 months
Proceeds from loan originations			$ 1,000
Mark to market discount of real estate								$ 21,000
Proceeds from the collection of loans receivable	399,000
Non-cash interest income	9,000			10,000	$ 2,000	12,000	$ 3,000
Unamortized discount	$ 400			$ 400		$ 400				$ 12,000
Outpatient Medical Buildings | Subsequent Event
Loans Receivable:
Loans receivable, net									$ 20,000
Property count | property									8
Outpatient Medical Buildings | Minimum
Loans Receivable:
Loans receivable, interest rate (in percent)			0.060
Outpatient Medical Buildings | Maximum
Loans Receivable:
Loans receivable, interest rate (in percent)			0.065
Two Outpatient Medical Buildings
Loans Receivable:
Number of properties sold | property		2
Proceeds from sale of property		$ 23,000
Investments in loans receivable		$ 14,000