OTHER REAL ESTATE RELATED AND OTHER INVESTMENTS - Narrative (Details)				3 Months Ended		9 Months Ended
	Aug. 01, 2024 USD ($) facility	Jul. 30, 2024 USD ($)	Jun. 03, 2024 USD ($) facility extension_option	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($) facility	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($) facility	May 01, 2024 USD ($) facility	Feb. 02, 2024 USD ($) facility extension_option	Feb. 01, 2024 USD ($) facility	Jan. 25, 2024 USD ($) facility extension_option	Jan. 01, 2024 USD ($) facility
Financing Receivable, Allowance for Credit Loss [Line Items]
Participating mortgage loans, amount			$ 75,000,000
Repayments of secured debt						$ 75,000,000	$ 0
Loss on extinguishment of debt				$ 657,000	$ 0	657,000	0
Preferred equity investments			$ 9,000,000			52,000,000	$ 0
Preferred equity investment, interest rate (as percent)			0.11
Secured borrowings
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount			$ 165,000,000
Repayments of secured debt		$ 75,000,000
Loss on extinguishment of debt				400,000
SNF
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of Facilities | facility	37				1		1
Principal amount	$ 260,000,000
Investment interest rate (as percent)	8.40%
Preferred equity investments	$ 43,000,000
Preferred equity investment, interest rate (as percent)	0.11
Lockout period	24 months
Mortgage secured loan receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of Facilities | facility												1
Mortgage secured loan receivable | ALF
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount												$ 1,000,000
Investment interest rate (as percent)												9.00%
Mezzanine Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount									$ 50,000,000		$ 10,200,000
Investment interest rate (as percent)										11.50%
Finance receivable, number of extension options | extension_option									2		2
Finance receivable, extension option, term									6 months		6 months
Mezzanine Loan | Secured Overnight Financing Rate (SOFR)
Financing Receivable, Allowance for Credit Loss [Line Items]
Investment interest rate (as percent)									8.75%		8.75%
Subservicing fee percentage									0.75%		0.75%
Mezzanine Loan | Secured Overnight Financing Rate (SOFR) Floor
Financing Receivable, Allowance for Credit Loss [Line Items]
Investment interest rate (as percent)									6.00%		6.00%
Mezzanine Loan | SNF
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of Facilities | facility									15	1	10
Principal amount									$ 35,000,000	$ 7,400,000	$ 9,800,000
Period of unpaid interest payments due upon prepayment									18 months	18 months	24 months
Mezzanine Loan | SNF | Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Early termination fee									1.00%		1.00%
Mezzanine Loan | SNF | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Early termination fee									2.00%		2.00%
Mortgage Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Investment interest rate (as percent)								9.10%
Finance receivable, number of extension options | extension_option			2
Finance receivable, extension option, term			6 months					1 year
Mortgage Loan | Secured Overnight Financing Rate (SOFR) Floor
Financing Receivable, Allowance for Credit Loss [Line Items]
Investment interest rate (as percent)			5.15%
Subservicing fee percentage			0.25%
Mortgage Loan | SNF
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of Facilities | facility								2
Principal amount								$ 26,700,000
Mortgage Loan | Regional Healthcare Facility
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of Facilities | facility			8
Principal amount			$ 165,000,000
Mortgage Loan | Regional Healthcare Facility | Secured Overnight Financing Rate (SOFR)
Financing Receivable, Allowance for Credit Loss [Line Items]
Investment interest rate (as percent)			4.25%
Other loans receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount				$ 17,979,000		17,979,000
Expected credit loss						$ 0	$ 0