SEGMENTS - Revenues and Net Operating Income for Reportable Segments (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) segment apartmentCommunity	Mar. 31, 2023 USD ($) apartmentCommunity
Segment Reporting Information [Line Items]
Number of reportable segments | segment	1
Segment revenues and net operating income [Abstract]
Revenue	$ 64,506	$ 67,897
Property operating expenses, including real estate taxes	25,069	28,923
Net operating income	39,437	38,974
Property management expense	(2,330)	(2,568)
Casualty loss	(820)	(252)
Depreciation and amortization	(27,012)	(25,993)
General and administrative expenses	(4,623)	(7,723)
(Loss) gain on sale of real estate and other investments	(577)	60,159
Interest expense	(9,207)	(10,319)
Interest and other income	340	49
Net income (loss)	$ (4,792)	$ 52,327
Disposed of by Sale
Segment Reporting Information [Line Items]
Number of properties sold | apartmentCommunity	2	9
Multifamily
Segment revenues and net operating income [Abstract]
Revenue	$ 63,339	$ 59,439
Property operating expenses, including real estate taxes	24,561	24,526
Net operating income	38,778	34,913
All Other
Segment revenues and net operating income [Abstract]
Revenue	1,167	8,458
Property operating expenses, including real estate taxes	508	4,397
Net operating income	$ 659	$ 4,061