Condensed Consolidated Statements of Operations - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues:
Rental property revenues	$ 109,569,000	$ 46,575,000	$ 336,093,000	$ 138,382,000
Fee income	2,597,000	1,945,000	6,387,000	5,968,000
Other	993,000	153,000	9,593,000	570,000
Total revenues	113,159,000	48,673,000	352,073,000	144,920,000
Expenses:
Rental property operating expenses	40,688,000	18,122,000	123,715,000	55,451,000
Reimbursed expenses	895,000	795,000	2,667,000	2,463,000
General and administrative expenses	7,193,000	4,368,000	21,993,000	17,301,000
Interest expense	7,587,000	5,754,000	25,851,000	16,562,000
Depreciation and amortization	47,622,000	16,622,000	152,546,000	49,804,000
Acquisition and transaction costs	(677,000)	1,446,000	1,499,000	3,889,000
Other	423,000	173,000	1,063,000	681,000
Total costs and expenses	103,731,000	47,280,000	329,334,000	146,151,000
Gain on extinguishment of debt	429,000	0	2,258,000	0
Income (loss) from continuing operations before unconsolidated joint ventures and gain (loss) on sale of investment properties	9,857,000	1,393,000	24,997,000	(1,231,000)
Income from unconsolidated joint ventures	2,461,000	1,527,000	43,362,000	5,144,000
Income from continuing operations before gain (loss) on sale of investment properties	12,318,000	2,920,000	68,359,000	3,913,000
Gain (loss) on sale of investment properties	(33,000)	0	119,729,000	13,944,000
Income from continuing operations	12,285,000	2,920,000	188,088,000	17,857,000
Income from discontinued operations	0	8,737,000	0	24,361,000
Net income	12,285,000	11,657,000	188,088,000	42,218,000
Net income attributable to noncontrolling interests	(218,000)	0	(3,181,000)	0
Net income available to common stockholders	$ 12,067,000	$ 11,657,000	$ 184,907,000	$ 42,218,000
Per common share information — basic and diluted:
Income from continuing operations (in usd per share)	$ 0.03	$ 0.01	$ 0.45	$ 0.08
Income from discontinued operations (in usd per share)	0.00	0.05	0.00	0.12
Net income (in usd per share)	$ 0.03	$ 0.06	$ 0.45	$ 0.20
Weighted average shares — basic	419,998	210,170	414,123	210,400
Weighted average shares — diluted	427,300	210,326	421,954	210,528
Dividends declared per common share (in usd per share)	$ 0.06	$ 0.08	$ 0.24	$ 0.24