Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues:
Rental property revenues	$ 113,348	$ 112,517
Fee income	2,894	1,936
Other	960	5,426
Total revenues	117,202	119,879
Expenses:
Rental property operating expenses	40,191	41,526
Reimbursed expenses	942	865
General and administrative expenses	6,809	6,182
Interest expense	9,778	9,741
Depreciation and amortization	45,093	54,884
Acquisition and transaction costs	91	1,930
Other	320	404
Total costs and expenses	103,224	115,532
Loss on extinguishment of debt	(85)	0
Income from continuing operations before unconsolidated joint ventures and loss on sale of investment properties	13,893	4,347
Income from unconsolidated joint ventures	2,885	581
Income from continuing operations before gain on sale of investment properties	16,778	4,928
Loss on sale of investment properties	(372)	(70)
Net income	16,406	4,858
Net income attributable to noncontrolling interests	(363)	(107)
Net income available to common stockholders	$ 16,043	$ 4,751
Net income per common share — basic and diluted (in usd per share)	$ 0.04	$ 0.01
Weighted average shares — basic	420,154	402,781
Weighted average shares — diluted	427,695	411,186
Dividends declared per common share (in usd per share)	$ 0.065	$ 0.12