Organization, Basis of Presentation and Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2012

Organization, Basis of Presentation and Significant Accounting Policies

Schedule of earnings per common share

	For the three months ended						For the nine months ended
	9-30-12			9-30-11			9-30-12			9-30-11
Basic and diluted shares outstanding
Weighted average common shares - basic	97,044,603			91,388,357			95,742,676			88,312,930
Weighted average DownREIT units outstanding	7,500			7,707			7,500			8,559
Effect of dilutive securities	494,466			944,304			651,382			878,009
Weighted average common shares - diluted	97,546,569			92,340,368			96,401,558			89,199,498
Calculation of Earnings per Share - basic
Net income attributable to common stockholders	$	86,844		$	44,824		$	301,512		$	118,537
Net income allocated to unvested restricted shares	(186		)	(206		)	(1,003		)	(406		)
Net income attributable to common stockholders, adjusted	$	86,658		$	44,618		$	300,509		$	118,131
Weighted average common shares - basic	97,044,603			91,388,357			95,742,676			88,312,930
Earnings per common share - basic	$	0.89		$	0.49		$	3.14		$	1.34
Calculation of Earnings per Share - diluted
Net income attributable to common stockholders	$	86,844		$	44,824		$	301,512		$	118,537
Add: noncontrolling interests of DownREIT unitholders in consolidated partnerships, including discontinued operations	7			7			21			20
Adjusted net income attributable to common stockholders	$	86,851		$	44,831		$	301,533		$	118,557
Weighted average common shares - diluted	97,546,569			92,340,368			96,401,558			89,199,498
Earnings per common share - diluted	$	0.89		$	0.49		$	3.13		$	1.33