CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenues:
Rental revenue	$ 679,015	$ 709,508	$ 677,138
Fee and other income	35,222	34,246	30,533
Total revenues	714,237	743,754	707,671
Expenses:
Operating	267,587	264,702	254,697
Depreciation and amortization	235,200	240,104	240,868
General and administrative	64,917	68,556	57,563
Transaction related costs	1,096	1,999	1,471
Total expenses	568,800	575,361	554,599
Other income (expense):
(Loss) income from unconsolidated joint ventures	(18,619)	(4,706)	3,468
Income (loss) from unconsolidated real estate funds	272	(343)	(269)
Interest and other income, net	4,490	9,844	7,936
Interest and debt expense	(144,208)	(156,679)	(147,653)
Loss on early extinguishment of debt		(11,989)
(Loss) income from continuing operations, before income taxes	(12,628)	4,520	16,554
Income tax expense	(1,493)	(312)	(3,139)
(Loss) income from continuing operations, net	(14,121)	4,208	13,415
(Loss) income from discontinued operations, net	(5,075)	(33,811)	5,578
Net (loss) income	(19,196)	(29,603)	18,993
Less net (income) loss attributable to noncontrolling interests in:
Consolidated joint ventures	(9,257)	(11,022)	(8,182)
Consolidated real estate fund	1,450	(313)	(720)
Operating Partnership	2,299	4,039	(944)
Net (loss) income attributable to common stockholders	$ (24,704)	$ (36,899)	$ 9,147
(Loss) income per Common Share - Basic:
(Loss) income from continuing operations, net	$ (0.09)	$ (0.03)	$ 0.02
(Loss) income from discontinued operations, net	(0.02)	(0.13)	0.02
Net (loss) income per common share	$ (0.11)	$ (0.16)	$ 0.04
Weighted average common shares outstanding	222,436,170	231,538,065	239,526,694
(Loss) income per Common Share - Diluted:
(Loss) income from continuing operations, net	$ (0.09)	$ (0.03)	$ 0.02
(Loss) income from discontinued operations, net	(0.02)	(0.13)	0.02
Net (loss) income per common share	$ (0.11)	$ (0.16)	$ 0.04
Weighted average common shares outstanding	222,436,170	231,538,065	239,555,636