OTHER REAL ESTATE RELATED AND OTHER INVESTMENTS - Narrative (Details) £ in Millions																			1 Months Ended			12 Months Ended
	Dec. 05, 2025 USD ($) facility	Dec. 04, 2025 USD ($) facility	Nov. 25, 2025 USD ($) extension_option facility	Nov. 14, 2025 USD ($) loan	Oct. 31, 2025 USD ($) loan	Jun. 05, 2025 USD ($)	Dec. 27, 2024 USD ($) facility	Dec. 05, 2024 USD ($) property	Dec. 01, 2024	Oct. 01, 2024 USD ($) window extension_option	Aug. 01, 2024 USD ($) facility	Jul. 30, 2024 USD ($)	Jun. 03, 2024 USD ($) facility extension_option	Dec. 15, 2023 loan	Nov. 29, 2023 USD ($) facility extension_option	Sep. 29, 2023 USD ($) facility extension_option	Jul. 17, 2023 USD ($) extension_option facility	Mar. 30, 2023 USD ($) loan	Apr. 30, 2025 USD ($) facility	Feb. 28, 2025 USD ($) facility	Dec. 31, 2023 USD ($) facility	Dec. 31, 2025 USD ($) facility option property	Dec. 31, 2024 USD ($) property	Dec. 31, 2023 USD ($) property facility	Sep. 22, 2025 GBP (£) property	Jul. 01, 2025 USD ($)	Jun. 01, 2025 USD ($) facility	Jan. 10, 2025 USD ($) facility	Dec. 20, 2024 USD ($) facility	May 01, 2024 USD ($) facility	Feb. 02, 2024 USD ($) facility extension_option	Feb. 01, 2024 USD ($) facility	Jan. 25, 2024 USD ($) extension_option facility	Jan. 01, 2024 USD ($) facility	Jun. 29, 2023 USD ($) facility	Jun. 01, 2023 USD ($) facility	Aug. 31, 2022 USD ($)	Dec. 31, 2021 facility
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of facilities | facility																																				1
Prepaid loan, outstanding																			$ 2,900,000
Payments for earnout																			$ 9,000,000
Interest rate																																						12.00%
Servicing fees			0.0010
Participating mortgage loans, amount													$ 75,000,000
Payment on secured borrowing																						$ 0	$ 75,000,000	$ 0
Loss on extinguishment of debt																						390,000	657,000	0
Purchase price																						1,565,326,000	815,859,000	233,775,000
Payments for preferred equity investments						$ 30,000,000					$ 43,000,000		$ 9,000,000									$ 30,000,000	$ 52,000,000	$ 1,782,000
Investment, interest rate						0.12					0.11		0.11
Number of properties acquired | property																						165	49	15
Purchase option exercised | option																						1
Cash received from financing receivable																						$ 10,900,000	$ 700,000
Provision for loan losses																						0	4,900,000	$ 0
Expected credit loss																						$ 0	4,900,000	0
New Cascade Lease
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of properties acquired								46														3
Term									15 years
Other Investments
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount																							53,782,000
Mezzanine Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of loans | loan				1	1
Repayments of debt					$ 35,000,000
Mortgage Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Repayments of debt				$ 29,600,000
Secured Borrowings
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount													$ 165,000,000
Payment on secured borrowing												$ 75,000,000
Loss on extinguishment of debt												$ 400,000
Multi-service campuses
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of facilities | facility																						1
Purchase price																							$ 90,639,000	$ 25,276,000
Number of properties acquired | property																							5	1
Skilled nursing
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount											$ 260,000,000
Financing receivable, interest rate											8.40%
Number of facilities | facility											37										1	1		1														9
Lockout period	12 months	12 months									24 months
Maryland | Skilled Nursing Facility And Skilled Nursing And Campus Facilities
Financing Receivable, Allowance for Credit Loss [Line Items]
Purchase price										$ 55,500,000
Mezzanine Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount																															$ 50,000,000		$ 10,200,000
Financing receivable, interest rate		12.50%																														11.50%
Extension option, term																															6 months		6 months
Number of extension options | extension_option																															2		2
Mezzanine Loan | SOFR
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, interest rate																															8.75%		8.75%
Subservicing fee																															0.75%		0.75%
Mezzanine Loan | Secured Overnight Financing Rate (SOFR) Floor
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, interest rate																															6.00%		6.00%
Mezzanine Loan | Skilled nursing
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount		$ 3,300,000	$ 25,000,000																												$ 35,000,000	$ 7,400,000	$ 9,800,000
Number of facilities | facility		1																													15	1	10
Period of unpaid interest payments due upon prepayment																															18 months	18 months	24 months
Mezzanine Loan | Skilled nursing | Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Early termination fee																															1.00%		1.00%
Mezzanine Loan | Skilled nursing | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Early termination fee																															2.00%		2.00%
Mezzanine loan receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of loans | loan																		1
Payments for loans receivable																		$ 15,000,000
Mezzanine loan receivable | Multi-service campuses
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount																													$ 5,100,000
Financing receivable, interest rate																													13.00%
Number of facilities | facility																													1
Interest rate																													13.00%
Mortgage Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of facilities | facility																			1	1
Extension option, term	1 year												6 months														1 year
Period of unpaid interest payments due upon prepayment																											12 months
Number of extension options | extension_option													2
Mortgage Loan | Secured Overnight Financing Rate (SOFR) Floor
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, interest rate													5.15%
Subservicing fee													0.25%
Mortgage Loan | Skilled nursing
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount													$ 165,000,000																	$ 26,700,000
Financing receivable, interest rate																														9.10%
Number of facilities | facility													8							1							2			2
Extension option, term																														1 year
Mortgage Loan | Skilled nursing | SOFR
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, interest rate													4.25%
Mortgage Loan | Regional Healthcare Facility
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount													$ 165,000,000						$ 165,000,000
Mortgage Loan | Senior Housing Communities:
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of facilities | facility	1
Mortgage Secured Loan Receivable, March, 31 2028Maturity
Financing Receivable, Allowance for Credit Loss [Line Items]
Interest rate			9.69%
Mortgage Secured Loan Receivable, March, 31 2028Maturity | Secured Borrowings | Tranche B And C
Financing Receivable, Allowance for Credit Loss [Line Items]
Penalty before year one			0.00%
Prepayment penalty			2.00%
Mortgage Secured Loan Receivable, March, 31 2028Maturity | Multi-Tranche Facilities | Secured notes payable (tranche B)
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount			$ 29,000,000
Mortgage Secured Loan Receivable, March, 31 2028Maturity | Multi-Tranche Facilities | Tranche C
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount			$ 75,000,000
Mortgage Secured Loan Receivable, March, 31 2028Maturity | SNF
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of extension option | extension_option			2
Extension option, term (year)			1 year
Mortgage Secured Loan Receivable, December, 5, 2028 Maturity | Mortgage Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Penalty before year one			0.00%
Prepayment penalty			3.00%
Mortgage Secured Loan Receivable, December, 5, 2028 Maturity | Senior Housing Communities:
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, interest rate	9.25%
Mortgage Secured Loan Receivable January 1, 2027 Maturity
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of facilities | facility																																		1
Mortgage Secured Loan Receivable January 1, 2027 Maturity | Senior housing
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount																																		$ 1,000,000
Financing receivable, interest rate																																		9.00%
Mortgage secured loans receivable | Skilled nursing
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of facilities | facility							1
Mortgage secured loans receivable | Maryland
Financing Receivable, Allowance for Credit Loss [Line Items]
Extension option, term										5 years
Term										15 years
Loan, term | extension_option										2
Number of exercise windows | window										2
Purchase option, second exercise window duration										6 months
Mortgage secured loans receivable | Maryland | Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Exercise window for put option										30 days
Mortgage secured loans receivable | Maryland | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Exercise window for put option										90 days
Mortgage secured loans receivable | COLORADO
Financing Receivable, Allowance for Credit Loss [Line Items]
Extension option, term										1 year
Period of unpaid interest payments due upon prepayment										18 months
Mortgage Secured Loan Receivable May 31, 2024 Maturity | Senior housing
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount																																				$ 2,000,000
Interest rate																																				9.00%
Mortgage secured loans receivable(4) | Skilled nursing
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of facilities | facility																																			1
Interest rate																																			9.00%
Mortgage secured loans receivable(4) | Skilled nursing | Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Early termination fee																																			0.00%
Mortgage secured loans receivable(4) | Skilled nursing | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Early termination fee																																			3.00%
Mortgage secured loans receivable(4) | Independent Living Facilities
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of facilities | facility																																			1
Mortgage Secured Loan Receivable August 1, 2028 Maturity | Skilled nursing
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount																	$ 15,700,000
Number of facilities | facility																	2
Interest rate																	9.00%
Number of extension option | extension_option																	1
Extension option, term (year)																	5 years
Mortgage Secured Loan Receivable August 1, 2028 Maturity | Skilled nursing | Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Early termination fee																	2.00%
Mortgage Secured Loan Receivable August 1, 2028 Maturity | Skilled nursing | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Early termination fee																	3.00%
Mortgage Secured Loan Receivable, September 29, 2026 Maturity
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount															$ 6,300,000
Interest rate															9.90%	12.00%
Extension option, term (year)															6 months
Early termination fee															2.00%
Mortgage Secured Loan Receivable, September 29, 2026 Maturity | E3 Acquisition, LLC
Financing Receivable, Allowance for Credit Loss [Line Items]
Preferred equity investment																					$ 1,800,000
Preferred rate																					0.15
Repayment period																					15 months
Mortgage Secured Loan Receivable, September 29, 2026 Maturity | Skilled nursing
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of facilities | facility																3
Number of extension option | extension_option															2	2
Extension option, term (year)																6 months
Mortgage Secured Loan Receivable, September 29, 2026 Maturity | Skilled nursing | Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Early termination fee																0.00%
Mortgage Secured Loan Receivable, September 29, 2026 Maturity | Skilled nursing | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Early termination fee																2.00%
Mortgage Secured Loan Receivable, September 29, 2026 Maturity | Multi-Tranche Facilities
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount																$ 3,600,000
Mortgage Secured Loan Receivable, September 29, 2026 Maturity | Senior housing
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of facilities | facility															1
Mortgage secured loans receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount																																					$ 22,300,000
Number of loans | loan														1
Payments for loans receivable																					$ 10,500,000
Financing Receivable | Other Investments
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount								$ 95,700,000														$ 91,280,000	$ 95,723,000
Reduction in financing receivable																						4,400,000
Other loans receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount																						29,509,000	$ 21,979,000
Provision for loan losses																						0		$ 0
Skilled nursing
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of facilities | facility			18
Skilled nursing
Financing Receivable, Allowance for Credit Loss [Line Items]
Mortgage prepaid loan amount																				$ 4,400,000
Skilled nursing | Mezzanine Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of property secured by a pledge | facility																												1
Skilled nursing | Mezzanine Loan | Maryland
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount																												$ 6,400,000
Skilled nursing | Mortgage Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount	$ 36,800,000		$ 29,000,000	$ 14,000,000																		$ 36,000,000				$ 5,000,000	$ 6,100,000
Financing receivable, interest rate																											8.50%
Skilled nursing | Mortgage Loan | Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Early termination fee																											0.00%
Skilled nursing | Mortgage Loan | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Early termination fee																											2.00%
Skilled nursing | Mortgage Loan | Maryland
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount																			$ 2,000,000
Skilled nursing | Mortgage secured loans receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount							$ 11,300,000																												$ 26,000,000
Period of unpaid interest payments due upon prepayment							18 months
Interest rate										8.50%
Extension option, term (year)							1 year
Skilled nursing | Mortgage secured loans receivable | Minimum
Financing Receivable, Allowance for Credit Loss [Line Items]
Early termination fee										0.00%
Skilled nursing | Mortgage secured loans receivable | Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Early termination fee										2.00%
Skilled nursing | Mortgage secured loans receivable | Maryland
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount										$ 19,200,000
Interest rate										9.35%
Skilled nursing | Mortgage secured loans receivable | COLORADO
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount										$ 9,800,000
U.K Care Homes | Mortgage Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal amount | £																									£ 15.5
Financing receivable, interest rate																									8.50%
Number of properties secured | property																									1