Condensed Consolidated Statements of Operations - USD ($) shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues:
Rental property revenues	$ 114,007,000	$ 46,454,000	$ 226,524,000	$ 91,807,000
Fee income	1,854,000	1,824,000	3,791,000	4,023,000
Other	3,174,000	27,000	8,600,000	417,000
Total revenues	119,035,000	48,305,000	238,915,000	96,247,000
Costs and expenses:
Rental property operating expenses	41,501,000	19,526,000	83,026,000	37,330,000
Reimbursed expenses	907,000	798,000	1,772,000	1,668,000
General and administrative expenses	8,618,000	4,691,000	14,828,000	12,934,000
Interest expense	8,523,000	5,369,000	18,264,000	10,808,000
Depreciation and amortization	50,040,000	16,641,000	104,924,000	33,182,000
Acquisition and transaction costs	246,000	2,424,000	2,177,000	2,443,000
Other	236,000	152,000	612,000	507,000
Total costs and expenses	110,071,000	49,601,000	225,603,000	98,872,000
Gain on extinguishment of debt	1,829,000	0	1,829,000	0
Income (loss) from continuing operations before unconsolidated joint ventures and gain (loss) on sale of investment properties	10,793,000	(1,296,000)	15,141,000	(2,625,000)
Income from unconsolidated joint ventures	40,320,000	1,784,000	40,901,000	3,618,000
Income from continuing operations before gain (loss) on sale of investment properties	51,113,000	488,000	56,042,000	993,000
Gain (loss) on sale of investment properties	119,832,000	(246,000)	119,761,000	13,944,000
Income from continuing operations	170,945,000	242,000	175,803,000	14,937,000
Income from discontinued operations	0	7,523,000	0	15,624,000
Net income	170,945,000	7,765,000	175,803,000	30,561,000
Net income attributable to noncontrolling interests	(2,856,000)	0	(2,963,000)	0
Net income available to common stockholders	$ 168,089,000	$ 7,765,000	$ 172,840,000	$ 30,561,000
Per common share information — basic and diluted:
Income from continuing operations (in usd per share)	$ 0.40	$ 0.00	$ 0.42	$ 0.07
Income from discontinued operations (in usd per share)	0.00	0.04	0.00	0.08
Net income (in usd per share)	$ 0.40	$ 0.04	$ 0.42	$ 0.15
Weighted average shares — basic	419,402	210,129	411,137	210,516
Weighted average shares — diluted	427,180	210,362	419,227	210,687
Dividends declared per common share (in usd per share)	$ 0.06	$ 0.08	$ 0.18	$ 0.16