Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Rental income:
Triple-net leased	$ 211,479	$ 117,906	$ 450,211	$ 351,625
Medical office buildings	58,398	22,817	106,392	47,246
Total rental income	269,877	140,723	556,603	398,871
Resident fees and services	276,364	113,182	593,348	331,535
Medical office building and other services revenue	9,271	6,711	26,050	6,711
Income from loans and investments	10,072	4,014	24,548	11,336
Interest and other income	373	35	529	420
Total revenues	565,957	264,665	1,201,078	748,873
Expenses:
Interest	73,756	45,519	170,046	133,449
Depreciation and amortization	161,027	52,104	293,541	154,458
Property-level operating expenses:
Senior living	188,856	74,066	403,706	219,802
Medical office buildings	20,305	7,941	37,259	16,267
Property-level operating expenses	209,161	82,007	440,965	236,069
Medical office building services costs	6,347	4,633	19,837	4,633
General, administrative and professional fees	20,624	15,278	51,010	35,819
Loss on extinguishment of debt	8,685		25,211	6,549
Litigation proceeds, net	(85,327)		(85,327)
Merger-related expenses and deal costs	69,350	5,142	131,606	11,668
Other	14,436	(419)	6,664	(404)
Total expenses	478,059	204,264	1,053,553	582,241
Income before income (loss) from unconsolidated entities, income taxes, discontinued operations and noncontrolling interest	87,898	60,401	147,525	166,632
Income (loss) from unconsolidated entities	182	(392)	(71)	(392)
Income tax benefit (expense)	13,904	(1,657)	23,310	(2,352)
Income from continuing operations	101,984	58,352	170,764	163,888
Discontinued operations		542		7,139
Net income	101,984	58,894	170,764	171,027
Net (loss) income attributable to noncontrolling interest (net of tax of $0 and $613 for the three months ended 2011 and 2010, respectively, and $0 and 1,591 for the nine months ended 2011 and 2010, respectively)	(901)	996	(781)	2,443
Net income attributable to common stockholders	$ 102,885	$ 57,898	$ 171,545	$ 168,584
Basic:
Income from continuing operations attributable to common stockholders	$ 0.36	$ 0.37	$ 0.82	$ 1.03
Discontinued operations		$ 0.00		$ 0.05
Net income attributable to common stockholders	$ 0.36	$ 0.37	$ 0.82	$ 1.08
Diluted:
Income from continuing operations attributable to common stockholders	$ 0.35	$ 0.37	$ 0.81	$ 1.02
Discontinued operations		$ 0.00		$ 0.05
Net income attributable to common stockholders	$ 0.35	$ 0.37	$ 0.81	$ 1.07
Weighted average shares used in computing earnings per common share:
Basic	287,365	156,631	208,470	156,566
Diluted	290,794	157,941	210,850	157,453
Dividends declared per common share	$ 0.4486	$ 0.535	$ 1.725	$ 1.605