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Investment Activity (Tenant Concentration) (Details) $ in Thousands		3 Months Ended	12 Months Ended
	Apr. 01, 2024 USD ($)	Jun. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($) state property	Dec. 31, 2022 USD ($) property	Dec. 31, 2024 USD ($)	Dec. 31, 2024 property	Dec. 31, 2024 state	Dec. 31, 2024 unit	Dec. 31, 2024 facility	Dec. 31, 2024 masterLease	Dec. 31, 2024 boardMember	Dec. 31, 2024 shares	Feb. 28, 2023 unit	Jun. 30, 2021 facility
Real Estate [Line Items]
Nonportfolio assets, original cost						$ 2,600
Real estate investment property, portfolio assets				$ 358,400
Mortgage and other notes receivable, net of reserve				15,476	$ 20,200	20,249
Straight-line rent income, net of write-offs			$ 3,031	6,961	(16,681)
Lessor, operating lease, renewal term			5 years
Number of board of directors members also members of NHC board of directors \| boardMember												1
Lease incentive payments, net				10,669		7,877
Rental income			$ 257,049	249,227	217,700
Lease Extended Until 2026
Real Estate [Line Items]
Lease escalator minimum	2.00%
Annual lease cap	3.00%
Senior Living Communities
Real Estate [Line Items]
Operating lease maturity date extension		2 years
Payments for capital improvements		$ 10,000
Rental revenue increase at lease rate		0.085
Straight-line rent income, net of write-offs			200	1,200	400
Rental income			$ 53,570	51,274	51,183
National HealthCare Corporation
Real Estate [Line Items]
Number of master leases \| masterLease											2
Lessor, operating lease, renewal term			5 years
Lessor equity shares owned, significant lessee (in shares) \| shares													1,630,642
Rental income			$ 40,016	37,335	36,893
National HealthCare Corporation \| NHC - 1991 Lease
Real Estate [Line Items]
Percentage rent rate			4.00%
Bickford
Real Estate [Line Items]
Properties							4			38
Write off of financing receivable					18,100
Rental income			$ 41,720	38,688
Maximum capital improvements commitment	$ 8,000
Annual rent increase	8.00%
Asset acquisition, rent deferral deduction						$ 12,900
Bickford \| Bickford
Real Estate [Line Items]
Number of units in real estate property \| unit														64
Payments for rent			5,100	2,300	200
Bickford \| Bickford Senior Living Acquisition
Real Estate [Line Items]
Payments for rent				2,500	3,000
Bickford \| Lease Extended Until 2026
Real Estate [Line Items]
Rental income	$ 34,500
Cash Basis Lessees
Real Estate [Line Items]
Write off of financing receivable					9,000
Lease incentive payments, net					7,100
Rental income			49,981	45,796	35,331
Cash Basis Lessees \| Bickford
Real Estate [Line Items]
Rental income			$ 38,971	$ 33,352	$ 27,650
Holiday Acquisition Holdings
Real Estate [Line Items]
Properties \| facility															17
NHC - 1991 Lease \| Senior Living Communities
Real Estate [Line Items]
Properties \| property							10
Number of units in real estate property \| unit									2,232
Revenue as % of Total, Exceeds 10%
Real Estate [Line Items]
Number of states in which entity operates \| state				2				2
Geographic Concentration Risk \| SOUTH CAROLINA \| Investment Consideration Benchmark
Real Estate [Line Items]
Percentage of continuing revenue			11.60%	12.10%
Geographic Concentration Risk \| TEXAS \| Investment Consideration Benchmark
Real Estate [Line Items]
Percentage of continuing revenue			10.10%	10.70%
Independent Living Facilities
Real Estate [Line Items]
Number of states in which entity operates \| state								8
Properties \| property							3
Skilled Nursing Facilities
Real Estate [Line Items]
Properties \| facility										32
Skilled Nursing Facilities \| National HealthCare Corporation \| Subleased Facilities
Real Estate [Line Items]
Properties \| property							4
Facilities Transitioned To Other Operators \| Bickford
Real Estate [Line Items]
Properties \| property					1
Write off of financing receivable					$ 700
Facilities Transitioned To Other Operators \| Holiday Acquisition Holdings
Real Estate [Line Items]
Properties \| property				2	2		2