REAL ESTATE INVESTMENTS, NET - Narrative (Details) - Skilled nursing, multi-service campuses, assisted living and independent living facilities - facility	12 Months Ended
	Dec. 31, 2022	Mar. 31, 2023
Real Estate [Line Items]
Number of facilities		215
Held for sale
Real Estate [Line Items]
Number of facilities		6
Short-term lease
Real Estate [Line Items]
Number of facilities	2	2
Short-term lease | Minimum
Real Estate [Line Items]
Term of lease commencement (in months)	12 months
Short-term lease | Maximum
Real Estate [Line Items]
Term of lease commencement (in months)	18 months
Triple-net Leases | Various other operators
Real Estate [Line Items]
Number of facilities	213	213