Discontinued Operations and Assets Held for Sale (Tables)

9 Months Ended

Sep. 30, 2012

Discontinued Operations and Disposal Groups [Abstract]

Table Illustration of Number of Properties in Discontinued Operations

	Sold in 2012	Sold in 2011	Total
Office	9	93	102
Industrial	11	7	18
Retail	1	1	2
	21	101	122

Table Illustration of Discontinued Operations in Statement of Operations

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
Revenues	$	143		$	50,315		$	2,987		$	151,373
Operating expenses	(140		)	(22,912		)	(1,826		)	(70,599		)
Depreciation and amortization	(22		)	(16,267		)	(1,202		)	(50,386		)
Operating income (loss)	(19		)	11,136			(41		)	30,388
Interest expense	(95		)	(12,658		)	(1,144		)	(39,611		)
Loss before gain on sales	(114		)	(1,522		)	(1,185		)	(9,223		)
Gain on sale of depreciable properties	1,608			2,088			11,179			16,405
Income from discontinued operations	$	1,494		$	566		$	9,994		$	7,182

Allocation of Common Shareholders' Income (Loss) Between Continuing and Discontinued Operations

	Three Months Ended September 30,						Nine Months Ended September 30,
	2012			2011			2012			2011
Loss from continuing operations attributable to common shareholders	$	(29,700	)	$	(32,626	)	$	(102,913	)	$	(20,541	)
Income from discontinued operations attributable to common shareholders	1,470			550			9,811			6,992
Net loss attributable to common shareholders	$	(28,230	)	$	(32,076	)	$	(93,102	)	$	(13,549	)