INVESTMENT IN REAL ESTATE PROPERTIES - Senior Housing - Managed Communities Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue [Line Items]
Resident fees and services	$ 92,017	$ 73,746	$ 248,449	$ 207,716
Fire
Disaggregation of Revenue [Line Items]
Proceeds of insurance	400	100	400	1,400
Gain of unusual amount	400	0	400	900
Fire | Senior Housing - Managed
Disaggregation of Revenue [Line Items]
Proceeds of insurance	200		1,300
Ancillary services
Disaggregation of Revenue [Line Items]
Resident fees and services	$ 1,200	$ 1,100	$ 3,500	$ 2,700