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

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The charge against earnings in the period to reduce the carrying amount of real property to fair value.

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

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The cash inflow from proceeds From Sales of Wholly Owned Real Estate and Real Estate Acquired in Settlement of Loans.

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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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Amount of real estate investments, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; (7) other real estate investments; (8) real estate joint ventures; and (9) unconsolidated real estate and other joint ventures not separately presented.

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The valuation allowance loss on real estate owned or any impairment losses taken against real estate investments held for use or resale.

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Investment Activity (Asset Disposition) (Details) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2022 USD ($) property	Jun. 30, 2022 USD ($) property	Mar. 31, 2022 USD ($) property	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) property	Sep. 30, 2021 USD ($)	May 31, 2022 property
Property, Plant and Equipment [Line Items]
Net Proceeds					$ 168,957	$ 203,147
Gain/ (Impairment)	$ 14,840			$ 19,941	28,342	$ 26,426
Impairment of real estate	$ 9,500				$ 38,300
Bickford
Property, Plant and Equipment [Line Items]
Properties \| property	36				36		3
Vitality, Holiday, Chancellor, and Bickford
Property, Plant and Equipment [Line Items]
Accumulated impaired real estate	$ 65,400				$ 65,400
Impairment of real estate					28,500
Discovery
Property, Plant and Equipment [Line Items]
Impairment of real estate	23,700
Disposal Group, Disposed of by Sale, Not Discontinued Operations
Property, Plant and Equipment [Line Items]
Net Proceeds					168,989
Net Real Estate Investment	$ 143,039				143,039
Gain/ (Impairment)					28,342
Impairment of real estate					$ 2,391
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Hospital Corporation of America
Property, Plant and Equipment [Line Items]
Properties \| property			1
Net Proceeds			$ 4,868
Net Real Estate Investment			1,904
Gain/ (Impairment)			$ 2,964
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Vitality Senior Living
Property, Plant and Equipment [Line Items]
Properties \| property			1
Net Proceeds			$ 8,302
Net Real Estate Investment			8,285
Gain/ (Impairment)			$ 17
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Holiday Retirement
Property, Plant and Equipment [Line Items]
Properties \| property		1
Net Proceeds		$ 2,990
Net Real Estate Investment		3,020
Impairment of real estate		$ 30
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Chancellor Senior Living
Property, Plant and Equipment [Line Items]
Properties \| property		2
Net Proceeds		$ 7,305
Net Real Estate Investment		7,357
Impairment of real estate		$ 52
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Bickford
Property, Plant and Equipment [Line Items]
Properties \| property		3
Net Proceeds		$ 25,959
Net Real Estate Investment		28,268
Impairment of real estate		$ 2,309
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Comfort Care
Property, Plant and Equipment [Line Items]
Properties \| property		4
Net Proceeds		$ 40,000
Net Real Estate Investment		38,445
Gain/ (Impairment)		$ 1,556
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Helix Healthcare
Property, Plant and Equipment [Line Items]
Properties \| property		1
Net Proceeds		$ 19,500
Net Real Estate Investment		10,535
Gain/ (Impairment)		$ 8,965
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Discovery Senior Living
Property, Plant and Equipment [Line Items]
Properties \| property	2				2
Net Proceeds	$ 16,379
Net Real Estate Investment	15,159				$ 15,159
Gain/ (Impairment)	$ 1,220
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| National HealthCare Corporation (“NHC”)
Property, Plant and Equipment [Line Items]
Properties \| property	7				7
Net Proceeds	$ 43,686
Net Real Estate Investment	30,066				$ 30,066
Gain/ (Impairment)	13,620
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Discovery
Property, Plant and Equipment [Line Items]
Gain/ (Impairment)	$ (1,200)