INVESTMENT IN REAL ESTATE PROPERTIES - Summarized Financial Data of Unconsolidated Joint Venture (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Summarized financial information
Total revenues	$ 161,627	$ 140,764	$ 484,117	$ 459,826
Loss from unconsolidated joint venture	$ (645)	$ (4,384)	$ (2,136)	(9,715)
Enlivant Joint Venture
Summarized financial information
Total revenues				237,144
Operating expenses				215,293
Net loss				(7,177)
Company’s share of net loss				(3,525)
Basis adjustments				5,755
Loss from unconsolidated joint venture				$ (9,280)