OTHER REAL ESTATE RELATED AND OTHER INVESTMENTS - Schedule of Other Real Estate Related Investments (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2025 USD ($) facility payment_installment option	Dec. 31, 2024 USD ($)	Dec. 05, 2024 USD ($)	Aug. 01, 2024 USD ($)
Real Estate Properties [Line Items]
Accrued interest, net	$ 2,331	$ 281
Number of monthly installment payments | payment_installment	24
Other loans receivable
Real Estate Properties [Line Items]
Principal amount	$ 757,840	740,687
Fair Value	765,451	741,004
Principal amount at Amortized Cost	20,839	0
Book Value at Amortized Cost	21,350	0
Loan costs	500
Other Investments
Real Estate Properties [Line Items]
Principal amount	83,782	53,782
Fair Value	$ 84,494	54,199
SNF
Real Estate Properties [Line Items]
Principal amount				$ 260,000
Mortgage secured loans receivable
Real Estate Properties [Line Items]
Number of properties | facility	2
Mortgage secured loans receivable | Other loans receivable
Real Estate Properties [Line Items]
Principal amount	$ 669,164	658,400
Fair Value	$ 677,562	660,392
Weighted Average Contractual Interest Rate	8.80%
Principal amount at Amortized Cost	$ 20,839	0
Book Value at Amortized Cost	$ 21,350	0
Weighted Average Contractual Interest Rate at Amortized Cost	6.10%
Accrued interest, net	$ 3,400	3,400
Mortgage secured loans receivable | SNF | Other loans receivable
Real Estate Properties [Line Items]
Facility Count and Type | facility	60
Mortgage secured loans receivable | Campus | Other loans receivable
Real Estate Properties [Line Items]
Facility Count and Type | facility	4
Mortgage secured loans receivable | ALF | Other loans receivable
Real Estate Properties [Line Items]
Facility Count and Type | facility	18
Mortgage secured loans receivable | ILF | Other loans receivable
Real Estate Properties [Line Items]
Facility Count and Type | facility	2
Mortgage secured loans receivable | U.K. Care Home Facility | Other loans receivable
Real Estate Properties [Line Items]
Facility Count by Type at Amortized Cost | facility	1
Mezzanine loans receivable
Real Estate Properties [Line Items]
Number of properties | facility	2
Mezzanine loans receivable | Other loans receivable
Real Estate Properties [Line Items]
Principal amount	$ 88,676	82,287
Fair Value	$ 87,889	80,612
Weighted Average Contractual Interest Rate	12.80%
Accrued interest, net	$ 900	900
Mezzanine loans receivable | SNF | Other loans receivable
Real Estate Properties [Line Items]
Facility Count and Type | facility	41
Mezzanine loans receivable | Campus | Other loans receivable
Real Estate Properties [Line Items]
Facility Count and Type | facility	4
Mezzanine loans receivable | ALF | Other loans receivable
Real Estate Properties [Line Items]
Facility Count and Type | facility	2
Mezzanine loans receivable | ILF | Other loans receivable
Real Estate Properties [Line Items]
Facility Count and Type | facility	0
Preferred equity | Other Investments
Real Estate Properties [Line Items]
Principal amount	$ 83,782	53,782
Fair Value	$ 84,494	54,199
Weighted Average Contractual Interest Rate	11.50%
Financing receivable | Other loans receivable
Real Estate Properties [Line Items]
Accrued interest, net	$ 2,300	300
Financing receivable | Other Investments
Real Estate Properties [Line Items]
Principal amount	95,723	95,723	$ 95,700
Fair Value	$ 98,054	$ 96,004
Weighted Average Contractual Interest Rate	12.00%
Term of contract	15 years
Number of renewal options | option	2
Lease extended period	5 years
Initial contractual cash yield	11.00%
Operating lease lessor cash yield term	3 years
Percentage cap	3.00%
Deferred rent as percentage of contractual cash yield	2.00%
Deferred rent as percentage of contractual cash yield, year two	0.50%
Contractual cash yield	12.50%
Financing receivable | SNF | Other Investments
Real Estate Properties [Line Items]
Facility Count and Type | facility	39
Financing receivable | Campus | Other Investments
Real Estate Properties [Line Items]
Facility Count and Type | facility	0
Financing receivable | ALF | Other Investments
Real Estate Properties [Line Items]
Facility Count and Type | facility	5
Financing receivable | ILF | Other Investments
Real Estate Properties [Line Items]
Facility Count and Type | facility	2
Mortgage Secured and Mezzanine Loans Receivable
Real Estate Properties [Line Items]
Basis spread on variable rate (percent)	4.13%