CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
REVENUE	$ 46,656	$ 43,910	$ 93,304	$ 88,316
EXPENSES
Property operating expenses, excluding real estate taxes	13,018	12,360	26,467	25,828
Real estate taxes	5,742	5,410	11,534	10,875
Property management expense	2,085	1,345	3,852	2,899
Casualty (gain) loss	27	(913)	(74)	(1,240)
Depreciation and amortization	19,308	18,156	39,300	36,316
General and administrative expenses	3,797	3,202	7,703	6,630
TOTAL EXPENSES	43,923	41,386	88,930	83,788
Operating income	2,733	2,524	4,374	4,528
Interest expense	(7,089)	(6,940)	(14,320)	(13,851)
Interest and other income (loss)	619	521	1,050	(2,256)
Income (loss) before gain (loss) on sale of real estate and other investments	(3,737)	(3,895)	(8,896)	(11,579)
Gain (loss) on sale of real estate and other investments	26,840	(190)	26,840	(190)
NET INCOME (LOSS)	23,103	(4,085)	17,944	(11,769)
Dividends to preferred unitholders	(160)	(160)	(320)	(320)
Net (income) loss attributable to noncontrolling interests – Operating Partnership	(1,386)	447	(917)	1,139
Net (income) loss attributable to noncontrolling interests – consolidated real estate entities	(19)	(5)	(36)	140
Net income (loss) attributable to controlling interests	21,538	(3,803)	16,671	(10,810)
Dividends to preferred shareholders	(1,607)	(1,609)	(3,214)	(3,314)
Discount (premium) on redemption of preferred shares	0	25	0	298
NET INCOME (LOSS) AVAILABLE TO COMMON SHAREHOLDERS	$ 19,931	$ (5,387)	$ 13,457	$ (13,826)
NET EARNINGS (LOSS) PER COMMON SHARE - BASIC (in dollars per share)	$ 1.49	$ (0.44)	$ 1.02	$ (1.13)
NET EARNINGS (LOSS) PER COMMON SHARE - DILUTED (in dollars per share)	$ 1.48	$ (0.44)	$ 1.02	$ (1.13)