CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Rental income:
Triple-net leased	$ 210,096	$ 203,209	$ 622,702	$ 433,980
Medical office buildings	100,814	58,159	253,890	106,153
Total rental income	310,910	261,368	876,592	540,133
Resident fees and services	317,131	274,294	906,946	590,103
Medical office building and other services revenue	4,544	9,271	16,791	26,050
Income from loans and investments	9,035	10,072	25,223	24,548
Interest and other income	330	373	441	529
Total revenues	641,950	555,378	1,825,993	1,181,363
Expenses:
Interest	75,139	69,518	217,475	162,348
Depreciation and amortization	189,908	156,593	538,946	286,663
Property-level operating expenses:
Senior living	216,861	187,356	620,075	401,361
Medical office buildings	36,144	20,071	86,469	37,025
Total property-level operating expenses	253,005	207,427	706,544	438,386
Medical office building services costs	1,487	6,347	8,314	19,837
General, administrative and professional fees	26,872	20,624	75,779	51,010
(Gain) loss on extinguishment of debt	(1,194)	8,685	38,339	25,211
Litigation proceeds, net	0	(85,327)	0	(85,327)
Merger-related expenses and deal costs	4,917	69,350	49,566	131,606
Other	2,508	13,882	5,594	5,827
Total expenses	552,642	467,099	1,640,557	1,035,561
Income before income/loss from unconsolidated entities, income taxes, discontinued operations and noncontrolling interest	89,308	88,279	185,436	145,802
Income (loss) from unconsolidated entities	17,074	182	17,905	(71)
Income tax benefit	8,886	13,732	2,727	23,039
Income from continuing operations	115,268	102,193	206,068	168,770
Discontinued operations	(3,447)	(209)	69,581	1,994
Net income	111,821	101,984	275,649	170,764
Net loss attributable to noncontrolling interest	(61)	(901)	(884)	(781)
Net income attributable to common stockholders	$ 111,882	$ 102,885	$ 276,533	$ 171,545
Basic:
Income from continuing operations attributable to common stockholders (in dollars per share)	$ 0.39	$ 0.36	$ 0.71	$ 0.81
Discontinued operations (in dollars per share)	$ (0.01)	$ 0.00	$ 0.24	$ 0.01
Net income attributable to common stockholders (in dollars per share)	$ 0.38	$ 0.36	$ 0.95	$ 0.82
Diluted:
Income from continuing operations attributable to common stockholders (in dollars per share)	$ 0.39	$ 0.35	$ 0.70	$ 0.80
Discontinued operations (in dollars per share)	$ (0.01)	$ 0.00	$ 0.24	$ 0.01
Net income attributable to common stockholders (in dollars per share)	$ 0.38	$ 0.35	$ 0.94	$ 0.81
Weighted average shares used in computing earnings per common share:
Basic (in shares)	294,928	287,365	291,177	208,470
Diluted (in shares)	297,407	290,794	293,622	210,850
Dividends declared per common share (in dollars per share)	$ 0.62	$ 0.4486	$ 1.86	$ 1.725