Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2012

Quarterly Financial Data (unaudited) [Abstract]

Quarterly Financial Information [Text Block]

17. Quarterly Financial Data (unaudited)

Summarized quarterly financial data, which has been adjusted for discontinued operations as discussed in Note 7, “Property Acquisitions, Discontinued Operations, Assets Held for Sale and Impairments,” for the years ended December 31, 2012 and 2011, is as follows:

(in thousands, except per share amounts)	First			Second				Third			Fourth			Total(a)
2012:
Revenues	$	170,954		$	178,212			$	187,310		$	191,432		$	727,908
Net income attributable to common shareholders	88,758			21,763				30,703			142,166			283,390
Net income attributable to common shareholders per share – basic	1.10		(b)	0.26				0.36		(c)	1.63		(d)	3.35
Net income attributable to common shareholders per share – diluted	1.07		(b)	0.26				0.35		(c)	1.60		(d)	3.30
2011:
Revenues	$	150,466		$	153,992			$	157,728		$	158,888		$	621,074
Net income (loss) attributable to common shareholders	7,286			(16,597		)		11,840			46,850			49,379
Net income (loss) attributable to common shareholders per share – basic	0.10			(0.23		)	(e)	0.16			0.63		(f)	0.67
Net income (loss) attributable to common shareholders per share – diluted	0.10			(0.23		)	(e)	0.16			0.62		(f)	0.66

(a) Net income per share is computed independently for each of the quarters presented. Therefore, the sum of quarterly net income (loss) per share amounts may not equal the total computed for the year.

(b) Includes a $32,541, or $0.41 basic and $0.39 diluted per share, impact related to the gain on sale of discontinued operations, and a $40,191, or $0.50 basic and $0.49 diluted per share, impact related to the gain on acquisition of the controlling interest in twelve former unconsolidated joint ventures.

(c) Includes a $2,875, or $0.03 basic and diluted per share, impact related to our proportionate gain on sale of one joint venture community included in equity in income (loss) of joint ventures.

(d) Includes an $82,527, or $0.96 basic and $0.94 diluted per share, impact related to the gain on sale of discontinued operations. Also includes a $17,227, or $0.20 basic and diluted per share, impact related to the gain on acquisition of the controlling interest in one former unconsolidated joint venture, and a $14,543, or $0.17 basic and diluted per share, impact related to our proportionate gain on sale of six operating properties by two of our unconsolidated joint ventures included in equity in income (loss) of joint ventures.

(e) Includes a $29,791 loss, or $0.41 basic and diluted per share, impact related to a loss on discontinuation of a hedging relationship, and a $4,748, or $0.07 basic and diluted per share, impact related to the gain on sale of undeveloped land to one of our funds.

(f) Includes a $24,621, or $0.33 basic and diluted per share, impact related to the gain on sale of discontinued operations, as well as a $6,394, or $0.09 basic and diluted per share, impact related to our proportionate gain on sale of four operating properties by one of our unconsolidated joint ventures included in equity in income (loss) of joint ventures.