Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Revenues:
Rental	$ 116,302		$ 106,216		$ 342,821		$ 311,746
Tenant recoveries	38,757		34,006		110,291		97,769
Other income	3,571		2,628		10,133		14,639
Total revenues	158,630		142,850		463,245		424,154
Expenses:
Rental operations	47,742		44,203		139,289		126,758
General and administrative	11,666		12,470		35,786		35,125
Interest	16,171		17,092		50,169		51,240
Depreciation and amortization	49,102		46,584		141,747		139,111
Loss on early extinguishment of debt	1,432		0		1,992		2,225
Total expenses	126,113		120,349		368,983		354,459
Income from continuing operations	32,517		22,501		94,262		69,695
(Loss) income from discontinued operations:
(Loss) income from discontinued operations before impairment of real estate	(64)		5,603		993		14,961
Impairment of real estate	0		(9,799)		0		(9,799)
(Loss) income from discontinued operations, net	(64)	[1]	(4,196)	[1]	993	[1]	5,162	[1]
Gain on sale of land parcel	0		0		772		1,864
Net income	32,453		18,305		96,027		76,721
Net income attributable to noncontrolling interests	960		828		2,922		2,390
Dividends on preferred stock	6,472		6,471		19,414		20,857
Preferred stock redemption charge	0		0		0		5,978
Net income attributable to unvested restricted stock awards	442		360		1,187		866
Net income attributable to Alexandria’s common stockholders	$ 24,579		$ 10,646		$ 72,504		$ 46,630
Earnings per share attributable to Alexandria’s common stockholders – basic and diluted:
Continuing operations	$ 0.35		$ 0.24		$ 1.07		$ 0.67
Discontinued operations, net	$ 0.00		$ (0.07)		$ 0.01		$ 0.08
Earnings per share – basic and diluted	$ 0.35		$ 0.17		$ 1.08		$ 0.75

[1] (Loss) income from discontinued operations, net, includes the results of operations for two operating properties that were classified as “held for sale” as of September 30, 2013, as well as the results of operations (prior to disposition) and (gain) loss on sale of real estate attributable to 10 properties sold during the period from January 1, 2012, to September 30, 2013.