CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
REVENUE	$ 64,568,000	$ 65,438,000	$ 197,241,000	$ 188,868,000
EXPENSES
Property operating expenses, excluding real estate taxes	19,602,000	20,290,000	58,816,000	58,315,000
Real estate taxes	7,143,000	7,039,000	21,898,000	21,103,000
Property management expense	2,197,000	2,563,000	7,012,000	7,537,000
Casualty loss	937,000	276,000	1,242,000	1,256,000
Depreciation and amortization	24,697,000	23,720,000	75,061,000	79,489,000
General and administrative expenses	3,832,000	4,519,000	15,717,000	14,240,000
TOTAL EXPENSES	58,408,000	58,407,000	179,746,000	181,940,000
Gain on sale of real estate and other investments	11,235,000	0	71,327,000	27,000
Loss on litigation settlement	0	0	(2,864,000)	0
Operating income	17,395,000	7,031,000	85,958,000	6,955,000
Interest expense	(8,556,000)	(7,871,000)	(27,516,000)	(23,147,000)
Interest and other income	330,000	70,000	674,000	1,116,000
NET INCOME (LOSS)	9,169,000	(770,000)	59,116,000	(15,076,000)
Dividends to Series D preferred unitholders	(160,000)	(160,000)	(480,000)	(480,000)
Net (income) loss attributable to noncontrolling interests – Operating Partnership and Series E preferred units	(1,204,000)	439,000	(9,058,000)	3,546,000
Net income attributable to noncontrolling interests – consolidated real estate entities	(31,000)	(32,000)	(96,000)	(93,000)
Net income (loss) attributable to controlling interests	7,774,000	(523,000)	49,482,000	(12,103,000)
Dividends to preferred shareholders	(1,607,000)	(1,607,000)	(4,821,000)	(4,821,000)
NET INCOME (LOSS) AVAILABLE TO COMMON SHAREHOLDERS	$ 6,167,000	$ (2,130,000)	$ 44,661,000	$ (16,924,000)
NET INCOME (LOSS) PER COMMON SHARE - BASIC (in dollars per share)	$ 0.41	$ (0.14)	$ 2.98	$ (1.11)
NET INCOME (LOSS) PER COMMON SHARE - DILUTED (in dollars per share)	$ 0.41	$ (0.14)	$ 2.96	$ (1.11)