CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Rental income:
Triple-net leased	$ 213,763	$ 203,575
Medical office buildings	111,146	63,965
Total rental income	324,909	267,540
Resident fees and services	339,170	285,193
Medical office building and other services revenue	3,648	5,608
Income from loans and investments	16,103	8,036
Interest and other income	1,038	47
Total revenues	684,868	566,424
Expenses:
Interest	79,600	68,130
Depreciation and amortization	179,017	160,421
Property-level operating expenses:
Senior living	230,908	195,134
Medical office buildings	36,541	20,703
Total property-level operating expenses	267,449	215,837
Medical office building services costs	1,639	2,988
General, administrative and professional fees	28,774	22,198
Loss on extinguishment of debt, net	0	29,544
Merger-related expenses and deal costs	4,262	7,981
Other	4,587	1,576
Total expenses	565,328	508,675
Income before income from unconsolidated entities, income taxes, discontinued operations and noncontrolling interest	119,540	57,749
Income from unconsolidated entities	929	317
Income tax expense	(1,744)	(11,338)
Income from continuing operations	118,725	46,728
Discontinued operations	(5,627)	43,364
Net income	113,098	90,092
Net income (loss) attributable to noncontrolling interest	905	(534)
Net income attributable to common stockholders	$ 112,193	$ 90,626
Basic:
Income from continuing operations attributable to common stockholders	$ 0.40	$ 0.16
Discontinued operations	$ (0.02)	$ 0.15
Net income attributable to common stockholders	$ 0.38	$ 0.31
Diluted:
Income from continuing operations attributable to common stockholders	$ 0.40	$ 0.16
Discontinued operations	$ (0.02)	$ 0.15
Net income attributable to common stockholders	$ 0.38	$ 0.31
Weighted average shares used in computing earnings per common share:
Basic	291,455	288,375
Diluted	293,924	290,813
Dividends declared per common share	$ 0.67	$ 0.62