CONCENTRATION OF CREDIT RISK - Triple-Net Leased Properties (Details) - Customer Concentration Risk	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Revenues | Brookdale Senior Living
Concentration Risk
Concentration percentage	3.60%	3.80%
Revenues | Ardent
Concentration Risk
Concentration percentage	3.10%	3.30%
Revenues | Kindred
Concentration Risk
Concentration percentage	3.30%	3.40%
NOI | Brookdale Senior Living
Concentration Risk
Concentration percentage	8.00%	8.20%
NOI | Ardent
Concentration Risk
Concentration percentage	7.00%	7.10%
NOI | Kindred
Concentration Risk
Concentration percentage	7.40%	7.40%