SEGMENT INFORMATION - Reconciliation of Consolidated Net Income to Consolidated NOI (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting [Abstract]
Net income (loss)	$ 4,651	$ 6,101	$ (175)	$ 6,964	$ 10,752	$ 6,789
Plus:
Interest expense	16,341		15,490		32,083	31,783
Interest expense - amortization of deferred financing costs	805		709		1,514	1,418
Depreciation and amortization	43,959		42,785		87,741	83,128
General and administrative expenses	8,328		8,356		18,328	14,940
Equity in loss of unconsolidated real estate ventures	4,981		7,240		9,544	14,164
Less:
Interest and investment income	449		1,677		889	3,351
Income tax provision	(48)		(15)		(75)	(34)
Net gain on disposition of real estate	144		68		144	142
Net gain on sale of undepreciated real estate	4,127		0		5,024	1,993
Consolidated net operating income	$ 74,393		$ 72,675		$ 153,980	$ 146,770