CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Rental income:
Triple-net leased	$ 201,028	$ 170,873	$ 571,591	$ 500,047
Medical office buildings	142,755	116,686	420,287	346,942
Total rental income	343,783	287,559	991,878	846,989
Resident fees and services	454,825	396,247	1,356,384	1,141,781
Medical office building and other services revenue	10,000	7,573	29,951	18,240
Income from loans and investments	18,924	13,186	66,192	36,902
Interest and other income	74	367	719	811
Total revenues	827,606	704,932	2,445,124	2,044,723
Expenses:
Interest	97,135	77,325	263,422	214,117
Depreciation and amortization	226,332	173,006	657,262	507,167
Property-level operating expenses:
Senior living	304,540	265,274	902,154	762,993
Medical office buildings	43,305	41,262	129,152	120,021
Total property-level operating expenses	347,845	306,536	1,031,306	883,014
Medical office building services costs	6,416	4,568	19,098	9,565
General, administrative and professional fees	32,114	29,464	100,399	93,632
Loss on extinguishment of debt, net	15,331	2,414	14,897	5,079
Merger-related expenses and deal costs	62,145	16,188	105,023	35,944
Other	4,795	9,413	13,948	18,070
Total expenses	792,113	618,914	2,205,355	1,766,588
Income before (loss) income from unconsolidated entities, income taxes, discontinued operations, real estate dispositions and noncontrolling interest	35,493	86,018	239,769	278,135
(Loss) income from unconsolidated entities	(955)	(47)	(1,197)	549
Income tax benefit (expense)	10,697	1,887	27,736	(4,820)
Income from continuing operations	45,235	87,858	266,308	273,864
Discontinued operations	(22,383)	18,171	13,434	79,026
Gain on real estate dispositions	265	3,625	14,420	16,514
Net income	23,117	109,654	294,162	369,404
Net income attributable to noncontrolling interest	265	522	1,047	827
Comprehensive income attributable to noncontrolling interest	265	522	1,047	827
Net income attributable to common stockholders	$ 22,852	$ 109,132	$ 293,115	$ 368,577
Basic:
Income from continuing operations attributable to common stockholders, including real estate dispositions (in usd per share)	$ 0.14	$ 0.31	$ 0.85	$ 0.98
Discontinued operations (in usd per share)	(0.07)	0.06	0.04	0.27
Net income attributable to common stockholders (in usd per share)	0.07	0.37	0.89	1.25
Diluted:
Income from continuing operations attributable to common stockholders, including real estate dispositions (in usd per share)	0.14	0.31	0.84	0.97
Discontinued operations (in usd per share)	(0.07)	0.06	0.04	0.27
Net income attributable to common stockholders (in usd per share)	$ 0.07	$ 0.37	$ 0.88	$ 1.24
Weighted average shares used in computing earnings per common share:
Basic (in shares)	332,491	294,030	329,440	293,965
Diluted (in shares)	336,338	296,495	333,210	296,411
Dividends declared per common share (in usd per share)	$ 0.73	$ 0.725	$ 2.31	$ 2.175