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CONCENTRATION OF RISK (Narrative) (Details)	3 Months Ended	12 Months Ended
CONCENTRATION OF RISK (Narrative) (Details)	Mar. 31, 2023 USD ($)	Dec. 31, 2025 USD ($) state facility item property contract	Dec. 31, 2024 USD ($) facility contract	Dec. 31, 2023 USD ($)
Concentration Risk [Line Items]
Number of real estate properties \| facility		1,027
Number of states and U.K. \| state		42
Number of operators \| item		89
Gross investment in facilities, net of impairments and reserves for uncollectible loans		$ 10,500,000,000
Real estate loans receivable - net		1,380,949,000	$ 1,428,298,000
Non-real estate loans receivable - net		330,322,000	332,274,000
Investment in unconsolidated joint venture		$ 414,127,000	88,711,000
Number of unconsolidated entities		15
Other Real Estate Loans [Member]
Concentration Risk [Line Items]
Real estate loans receivable - net		$ 482,631,000	485,533,000
Variable Interest Entity, Not Primary Beneficiary [Member]
Concentration Risk [Line Items]
Real estate loans receivable - net		600,543,000	534,048,000
Non-real estate loans receivable - net		20,742,000	38,463,000
Investment in unconsolidated joint venture		$ 346,034,000	$ 9,754,000
Maplewood Real Estate Holdings
Concentration Risk [Line Items]
Number of operators that met or exceeded ten percent of investments \| contract		1	1
Termination fee incurred cost	$ 12,500,000
Maplewood Real Estate Holdings \| Variable Interest Entity, Not Primary Beneficiary [Member]
Concentration Risk [Line Items]
Termination fee incurred cost				$ 12,500,000
Communicare Health Services, Inc
Concentration Risk [Line Items]
Number of operators that met or exceeded ten percent threshold for revenues		1	1	1
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Maplewood Real Estate Holdings \| Variable Interest Entity, Not Primary Beneficiary [Member]
Concentration Risk [Line Items]
Concentration percentage		6.60%	5.20%	5.40%
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Communicare Health Services, Inc
Concentration Risk [Line Items]
Concentration percentage		10.30%	11.80%	11.70%
Assets, Total [Member] \| Geographic Concentration Risk [Member] \| Texas
Concentration Risk [Line Items]
Concentration percentage		8.50%
Assets, Total [Member] \| Geographic Concentration Risk [Member] \| Indiana
Concentration Risk [Line Items]
Concentration percentage		6.00%
Assets, Total [Member] \| Geographic Concentration Risk [Member] \| United Kingdom
Concentration Risk [Line Items]
Concentration percentage		17.70%
Assets, Total [Member] \| Product Concentration Risk [Member] \| Communicare Health Services, Inc
Concentration Risk [Line Items]
Concentration percentage		7.20%
Assets, Total [Member] \| Product Concentration Risk [Member] \| Real Estate Investment Related to Long Term Healthcare Facilities [Member]
Concentration Risk [Line Items]
Concentration percentage		98.00%
Skilled Nursing Facilities [Member]
Concentration Risk [Line Items]
Number of real estate properties \| facility		561
Assisted Living Facilities [Member]
Concentration Risk [Line Items]
Number of real estate properties \| facility		339
Independent Living Facilities [Member]
Concentration Risk [Line Items]
Number of real estate properties \| facility		19
Continuing Care Retirement Community (CCRC)
Concentration Risk [Line Items]
Number of real estate properties \| facility		1
Property Adjacent To One Existing Facility Held For Sale
Concentration Risk [Line Items]
Number of real estate properties \| property		1
Facilities Under Fixed Rate Mortgage Loans [Member] \| Skilled Nursing Facilities [Member]
Concentration Risk [Line Items]
Number of real estate properties \| facility		47
Facilities Under Fixed Rate Mortgage Loans [Member] \| Assisted Living Facilities [Member]
Concentration Risk [Line Items]
Number of real estate properties \| facility		42
Facilities Under Fixed Rate Mortgage Loans [Member] \| Independent Living Facilities [Member]
Concentration Risk [Line Items]
Number of real estate properties		2
Facilities Held for Sale [Member]
Concentration Risk [Line Items]
Number of real estate properties \| facility			12