Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenues:
Rental income	$ 367,141	$ 415,663
Resident fees and services	670,337	602,149
Interest income	20,748	25,188
Other income	4,072	4,050
Total revenues	1,062,298	1,047,050
Expenses:
Interest expense	118,597	132,960
Property operating expenses	510,169	449,636
Depreciation and amortization	228,276	228,696
General and administrative	31,101	45,691
Transaction costs	0	8,208
Loss (gain) on derivatives, net	1,224	0
Loss (gain) on extinguishment of debt, net	31,356	(24)
Impairment of Asset	11,031	14,314
Other expenses	11,675	0
Total expenses	943,429	879,481
Income (loss) from continuing operations before income taxes and income from unconsolidated entities, total	118,869	167,569
Income tax expense	(2,245)	1,725
(Loss) income from unconsolidated entities	(23,106)	(3,820)
Income from continuing operations	93,518	165,474
Gain (loss) on real estate dispositions, net	244,092	0
Net income	337,610	165,474
Less: Preferred stock dividends	14,379	16,352
Preferred stock redemption charge	9,769	0
Less: Net income (loss) attributable to noncontrolling interests	823	153
Net income (loss) attributable to common stockholders	$ 312,639	$ 148,969
Average number of common shares outstanding:
Basic	362,534	355,076
Diluted	364,652	356,051
Basic:
Income (loss) from continuing operations attributable to common stockholders, including real estate dispositions	$ 0.86	$ 0.42
Net income (loss) attributable to common stockholders, total	0.86	0.42
Diluted:
Income (loss) from continuing operations attributable to common stockholders, including real estate dispositions	0.86	0.42
Net income (loss) attributable to common stockholders, total	0.86	0.42
Dividends declared and paid per common share	$ 0.87	$ 0.86