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Investment Activity (Tenant Concentration Narrative) (Details) $ in Thousands		3 Months Ended		6 Months Ended
	Apr. 01, 2024 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 property	Jun. 30, 2024 state	Jun. 30, 2024	Jun. 30, 2024 lease	Jun. 30, 2024 boardMember	Jun. 30, 2024 facility	Jun. 30, 2024 leaseAgreement	Dec. 31, 2023 USD ($)
Real Estate [Line Items]
Cost of corporate office		$ 2,600	$ 2,600	$ 2,600	$ 2,600
Credit loss reserve		(15,921)		(15,921)									$ (15,476)
Straight-line rent, net of write-offs				905	4,972
Number of board of directors | boardMember										2
Rental income		$ 65,760	60,952	127,947	126,250
Bickford Senior Living Acquisition
Real Estate [Line Items]
Asset acquisition, rent deferral deduction				2,500
Lease Extended Until 2026
Real Estate [Line Items]
Lease escalator minimum	2.00%
Annual lease cap	3.00%
Senior Living Communities, LLC (“Senior Living”)
Real Estate [Line Items]
Real estate properties | property						10
Lease comprising properties | lease									2
Leases extended maturity		2 years
Payments for capital improvements				10,000
Lease rate								0.085
Straight-line rent, net of write-offs				500	600
Rental income				26,406	25,658
National HealthCare Corporation (“NHC”)
Real Estate [Line Items]
Straight-line rent, net of write-offs				100	600
Rental income				$ 20,836	18,983
National HealthCare Corporation (“NHC”) | NHC - 1991 Lease
Real Estate [Line Items]
Percentage rent rate				4.00%
Bickford
Real Estate [Line Items]
Properties						1					39
Number of leases | leaseAgreement												4
Rental income				$ 20,691	19,977
Maximum capital improvements commitment	$ 8,000
Minimum capital improvements commitment				100
Annual rent increase	8.00%
Rent deferral		$ 15,200		15,200
Bickford | Bickford Senior Living Acquisition
Real Estate [Line Items]
Payments for rent		1,300	$ 400	$ 2,800	$ 600
Bickford | Lease Extended Until 2026
Real Estate [Line Items]
Rental income	$ 34,500
Revenue as % of Total, Exceeds 10%
Real Estate [Line Items]
Number of states in which entity operates | state							2
Geographic Concentration Risk | South Carolina | Investment Consideration Benchmark
Real Estate [Line Items]
Concentration risk percentage				12.00%
Geographic Concentration Risk | Texas | Investment Consideration Benchmark
Real Estate [Line Items]
Concentration risk percentage				10.60%
Independent Living Facility
Real Estate [Line Items]
Number of states in which entity operates | state							8
Properties | property						3
Independent Living Facility | SHOP
Real Estate [Line Items]
Real estate investment property, portfolio assets		$ 351,100		$ 351,100
Properties | property						15
Skilled Nursing Facility
Real Estate [Line Items]
Properties | property						32
Skilled Nursing Facility | National HealthCare Corporation (“NHC”) | Subleased Facilities
Real Estate [Line Items]
Properties | property						4

X

- Definition

Annual Lease Cap

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Asset Acquisition, Rent Deferral Deduction.

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- Definition

This item represents the minimum rate a lease payment escalates each year.

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Lease, Maximum Capital Improvements Commitment

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Lease, Operating Lease, Rental Revenue Increase At Lease Rate

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Lessor, Number Of Lease Agreements

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This item represents the original cost of corporate assets that are not part of the investment portfolio.

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Number of Board of Directors Members Also Members of NHC Board of Directors

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Number of Leases Comprising Real Estate Properties

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Number of Real Estate Properties Subject to New Leases

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Operating Lease, Annual Rent Increase

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- Definition

This element represents the rental revenue rate earned during the period from lessee-operators based on revenues generated in their operations, generally in excess of a base amount. Generally stipulated in the lease agreement, it usually will provide for a fixed percentage of revenue to be paid as additional (or possibly only) rent due the lessor, and may be based on gross revenues, net revenues, or multiple variations thereof.

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The element represents the original cost of all portfolio leased assets.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Amount of lease income from operating, direct financing, and sales-type leases. Includes, but is not limited to, variable lease payments, interest income, profit (loss) recognized at commencement, and lease payments paid and payable to lessor.

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

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The cash outflow for acquisition of or capital improvements to properties held for investment (operating, managed, leased) or for use.

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Cash payments to lessor's for use of assets under operating leases.

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Amount of cash outflow for the allowance granted to lessee and/or direct costs incurred by lessor used to prepare the leased premises for tenant's occupancy.

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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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Difference between actual rental income due and rental income recognized on a straight-line basis.

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