CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues:
Rental revenue	$ 734,477	$ 727,295	$ 683,490
Fee and other income	34,703	31,666	35,477
Total revenues	769,180	758,961	718,967
Expenses:
Operating	274,836	274,078	266,136
Depreciation and amortization	248,347	258,225	266,037
General and administrative	68,556	57,563	61,577
Transaction related costs	1,999	1,471	2,027
Total expenses	593,738	591,337	595,777
Other income (expense):
(Loss) income from unconsolidated joint ventures	(4,706)	3,468	20,185
Loss from unconsolidated real estate funds	(343)	(269)	(6,143)
Interest and other income (loss), net	9,844	8,117	(9,031)
Interest and debt expense	(156,679)	(147,653)	(143,762)
Loss on early extinguishment of debt	(11,989)		(7,877)
Real estate impairment loss	(42,000)	(46,000)
Gain on sale of real estate	1,140	36,845	133,989
Unrealized gain on interest rate swaps			1,802
Net (loss) income before income taxes	(29,291)	22,132	112,353
Income tax expense	(312)	(3,139)	(5,177)
Net (loss) income	(29,603)	18,993	107,176
Less net (income) loss attributable to noncontrolling interests in:
Consolidated joint ventures	(11,022)	(8,182)	10,365
Consolidated real estate fund	(313)	(720)	(19,797)
Operating Partnership	4,039	(944)	(11,363)
Net (loss) income attributable to common stockholders	$ (36,899)	$ 9,147	$ 86,381
(Loss) income per Common Share - Basic:
(Loss) income per common share	$ (0.16)	$ 0.04	$ 0.37
Weighted average shares outstanding	231,538,065	239,526,694	236,372,801
(Loss) income per Common Share - Diluted:
(Loss) income per common share	$ (0.16)	$ 0.04	$ 0.37
Weighted average shares outstanding	231,538,065	239,555,636	236,401,548