CONCENTRATION OF CREDIT RISK - Triple-Net Leased Properties (Details) - Customer Concentration Risk	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Revenues | Brookdale Senior Living
Concentration Risk
Concentration percentage	3.30%	3.60%
Revenues | Ardent
Concentration Risk
Concentration percentage	2.90%	3.10%
Revenues | Kindred
Concentration Risk
Concentration percentage	2.90%	3.30%
NOI | Brookdale Senior Living
Concentration Risk
Concentration percentage	7.60%	8.00%
NOI | Ardent
Concentration Risk
Concentration percentage	6.80%	7.00%
NOI | Kindred
Concentration Risk
Concentration percentage	6.80%	7.40%