INVESTMENT IN REAL ESTATE PROPERTIES - Senior Housing - Managed Communities Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Resident fees and services	$ 73,746	$ 59,748	$ 207,716	$ 174,897
Fire
Disaggregation of Revenue [Line Items]
Proceeds of insurance	100	1,100	1,400	1,100
Gain of unusual amount	0	500	900	500
Ancillary services
Disaggregation of Revenue [Line Items]
Resident fees and services	$ 1,100	$ 400	$ 2,700	$ 1,400