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INVESTMENTS IN UNCONSOLIDATED ENTITIES (Schedule of equity method investments) (Details)		2 Months Ended	3 Months Ended		12 Months Ended
	May 17, 2019 USD ($)	Dec. 31, 2025 USD ($) facility item	Sep. 30, 2025 USD ($) facility loan	Sep. 30, 2024 USD ($) facility	Dec. 31, 2025 USD ($) facility item	Dec. 31, 2024 USD ($) facility	Dec. 31, 2023 USD ($) facility	Oct. 31, 2025	Aug. 01, 2024	Jul. 31, 2024	Jul. 24, 2024 USD ($)
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties \| facility		1,027			1,027
Investments in unconsolidated entities		$ 414,127,000			$ 414,127,000	$ 88,711,000
Number of operators \| item		89			89
Income (loss) from unconsolidated joint ventures					$ (218,000)	7,916,000	$ (582,000)
Number of unconsolidated entities		15			15
Cindat Ice Portfolio JV GP Limited [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties \| facility							63
Investments in unconsolidated entities							$ 97,600,000				$ 97,000,000
Cindat Ice Portfolio JV GP Limited Interest Acquired [Member]
Investment In Joint Ventures And Entities [Line Items]
Percentage of ownership interest, asset acquisition		51.00%		51.00%	51.00%					51.00%
Cindat Ice Portfolio JV GP Limited [Member]
Investment In Joint Ventures And Entities [Line Items]
Ownership by parent									100.00%
Second Spring Healthcare Investments [Member]
Investment In Joint Ventures And Entities [Line Items]
Ownership %		15.00%			15.00%
Investments in unconsolidated entities						7,117,000
In Substance Real Estate Investment [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of Loans Real Estate \| loan			3
In Substance Real Estate Investment [Member] \| Maximum [Member]
Investment In Joint Ventures And Entities [Line Items]
Financing receivable, face amount			$ 77,700,000
Lakeway Realty LLC [Member]
Investment In Joint Ventures And Entities [Line Items]
Equity method investment, difference between carrying amount and underlying equity	$ 69,900,000
Equity method investment difference between carrying amount and underlying equity treatment period	40 years
Cindat Ice Portfolio JV GP Limited [Member]
Investment In Joint Ventures And Entities [Line Items]
Ownership %							49.00%				49.00%
S H H Holdings L L C [Member]
Investment In Joint Ventures And Entities [Line Items]
Ownership %								49.00%
Equity method investment, difference between carrying amount and underlying equity		$ 215,300,000			$ 215,300,000
Equity method investment difference between carrying amount and underlying equity treatment period		21 years
Income (loss) from unconsolidated joint ventures					$ 1,400,000
Other Real Estate Joint Venture Investments [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of unconsolidated entities \| item		2			2
Other Real Estate Joint Venture Investments [Member] \| Maximum [Member]
Investment In Joint Ventures And Entities [Line Items]
Ownership %		50.00%			50.00%
Other Real Estate Joint Venture Investments [Member] \| Minimum [Member]
Investment In Joint Ventures And Entities [Line Items]
Ownership %		20.00%			20.00%
Other Healthcare Joint Venture Investments [Member]
Investment In Joint Ventures And Entities [Line Items]
Investments in unconsolidated entities		$ 7,429,000			$ 7,429,000	7,317,000
Number of unconsolidated entities \| item		6			6
Other Healthcare Joint Venture Investments [Member] \| Maximum [Member]
Investment In Joint Ventures And Entities [Line Items]
Ownership %		25.00%			25.00%
Other Healthcare Joint Venture Investments [Member] \| Minimum [Member]
Investment In Joint Ventures And Entities [Line Items]
Ownership %		9.00%			9.00%
Other Real Estate Joint Ventures And Other Healthcare Joint Ventures [Member]
Investment In Joint Ventures And Entities [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		$ 22,000,000			$ 22,000,000	18,500,000
Skilled Nursing Facilities [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties \| facility		561			561
Assisted Living Facilities [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties \| facility		339			339
Assisted Living Facilities [Member] \| In Substance Real Estate Investment [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties \| facility		12			12
Investments in unconsolidated entities		$ 75,353,000			$ 75,353,000
Independent Living Facilities [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties \| facility		19			19
Specialty Facility \| OMG Senior Housing LLC [Member]
Investment In Joint Ventures And Entities [Line Items]
Amount of gain (loss) from sale of facilities				$ 12,900,000
Specialty Facility \| Lakeway Realty LLC [Member]
Investment In Joint Ventures And Entities [Line Items]
Ownership %		51.00%			51.00%
Number of real estate properties \| facility		1			1
Investments in unconsolidated entities		$ 64,699,000			$ 64,699,000	67,541,000
Specialty Facility \| OMG Senior Housing LLC [Member]
Investment In Joint Ventures And Entities [Line Items]
Total cash proceeds				40,700,000
Amount of gain (loss) from sale of facilities				$ 6,500,000
Various Facility Types [Member] \| S H H Holdings L L C [Member]
Investment In Joint Ventures And Entities [Line Items]
Ownership %		49.00%			49.00%
Number of real estate properties \| facility		65			65
Investments in unconsolidated entities		$ 222,161,000			$ 222,161,000
Various Facility Types [Member] \| Other Real Estate Joint Venture Investments [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties \| facility		6			6
Investments in unconsolidated entities		$ 1,731,000			$ 1,731,000	6,736,000
Continuing Care Retirement Community [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties \| facility		1			1
Continuing Care Retirement Community [Member] \| Liberty Joint Venture [Member]
Investment In Joint Ventures And Entities [Line Items]
Ownership %		49.00%			49.00%
Number of real estate properties \| facility		1			1
Investments in unconsolidated entities		$ 42,754,000			$ 42,754,000
Non Real Estate Loans Receivable [Member]
Investment In Joint Ventures And Entities [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		430,584,000			430,584,000	455,069,000
Mortgage Receivable [Member]
Investment In Joint Ventures And Entities [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		$ 931,616,000			$ 931,616,000	$ 982,327,000
Facilities Sold
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties		49			49	21	69
Facilities Sold \| Skilled Nursing Facilities [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties		45			45	14	64
Facilities Sold \| Assisted Living Facilities [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties		4			4	6	2
Facilities Sold \| Independent Living Facilities [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties							1
Facilities Sold \| Specialty Facility
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties						1	2
Facilities Sold \| Specialty Facility \| OMG Senior Housing LLC [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties \| facility				1
Facilities Acquired \| S H H Holdings L L C [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties \| facility		1			1
Facilities Acquired \| Skilled Nursing Facilities [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties \| facility		8			8	6	9
Facilities Acquired \| Assisted Living Facilities [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties \| facility		62			62	108	21
Facilities Secured For Mortgage Loan Agreements [Member] \| In Substance Real Estate Investment [Member]
Investment In Joint Ventures And Entities [Line Items]
Number of real estate properties \| facility			12