Variable Interest Entities (Narrative) (Details) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2024 USD ($) realEstatePartnership	Dec. 31, 2023 USD ($) realEstatePartnership	Sep. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Variable Interest Entity [Line Items]
Real estate properties, net	$ 2,096,824	$ 2,107,082
Cash and cash equivalents	$ 15,550	$ 22,347	$ 16,579	$ 19,291
Number of real estate partnerships \| realEstatePartnership	2	2
Other assets, net	$ 23,163	$ 24,063
Subsidiaries
Variable Interest Entity [Line Items]
Real estate properties, net	246,400	252,500
Cash and cash equivalents	3,000	3,200
Straight line receivables	9,900	9,700
Other assets, net	5,900	7,800
SHOP
Variable Interest Entity [Line Items]
Real estate properties, net	260,700	260,700
Cash and cash equivalents	3,900	7,700
Prepaid expense	2,200	1,700
Credit liabilities of SHOP	$ 4,600	$ 4,700

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