CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Revenue	$ 201,705	$ 177,994	$ 185,755
EXPENSES
Property operating expenses, excluding real estate taxes	57,753	51,625	57,249
Real estate taxes	24,104	21,533	21,066
Property management expense	8,752	5,801	6,186
Casualty loss	344	1,662	1,116
Depreciation and amortization	92,165	75,593	74,271
General and administrative expenses	16,213	13,440	14,450
TOTAL EXPENSES	199,331	169,654	174,338
Gain (loss) on sale of real estate and other investments	27,518	25,503	97,624
Operating income (loss)	29,892	33,843	109,041
Interest expense	(29,078)	(27,525)	(30,537)
Loss on extinguishment of debt	(535)	(23)	(2,360)
Interest and other income (loss)	(2,380)	(1,552)	2,092
Gain (loss) on litigation settlement	0	0	6,586
Net income (loss)	(2,101)	4,743	84,822
Dividends to preferred unitholders	(640)	(640)	(537)
Net (income) loss attributable to noncontrolling interests – Operating Partnership and Series E preferred units	2,806	212	(6,752)
Net (income) loss attributable to noncontrolling interests – consolidated real estate entities	(94)	126	1,136
Net income (loss) attributable to controlling interests	(29)	4,441	78,669
Dividends to preferred shareholders	(6,428)	(6,528)	(6,821)
Redemption of preferred shares	0	297	0
NET INCOME (LOSS) AVAILABLE TO COMMON SHAREHOLDERS	$ (6,457)	$ (1,790)	$ 71,848
NET EARNINGS (LOSS) PER COMMON SHARE – BASIC (in dollars per share)	$ (0.47)	$ (0.15)	$ 6.06
NET EARNINGS (LOSS) PER COMMON SHARE - DILUTED (in dollars per share)	$ (0.47)	$ (0.15)	$ 6.00
Weighted average shares - basic (in shares)	13,803	12,564	11,744
Weighted average shares - diluted (in shares)	15,704	13,594	13,182