Discontinued Operations and Assets Held for Sale (Tables)

12 Months Ended

Dec. 31, 2011

Discontinued Operations and Disposal Groups [Abstract]

Table Illustration of Number of Properties in Discontinued Operations

The following table illustrates the number of properties in discontinued operations:

	Held For Sale at December 31, 2011	Sold in 2011	Sold in 2010	Sold in 2009	Total
Office	7	93	11	5	116
Industrial	6	7	6	0	19
Retail	0	1	2	0	3
	13	101	19	5	138

Table Illustration of Discontinued Operations in Income Statement

The following table illustrates the operations of the buildings reflected in discontinued operations for the years ended December 31, 2011, 2010 and 2009, respectively (in thousands):

	2011			2010			2009
Revenues	$	184,571		$	238,772		$	264,240
Operating expenses	(85,120		)	(103,818		)	(110,185		)
Depreciation and amortization	(55,229		)	(80,578		)	(94,670		)
Operating income	44,222			54,376			59,385
Interest expense	(44,758		)	(60,869		)	(70,220		)
Loss before impairment charges and gain on sales	(536		)	(6,493		)	(10,835		)
Impairment charges	—			—			(27,206		)
Gain on sale of depreciable properties	100,882			33,054			6,786
Income (loss) from discontinued operations	$	100,346		$	26,561		$	(31,255	)

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

The following table illustrates the allocation of the income (loss) attributable to common shareholders between continuing operations and discontinued operations, reflecting an allocation of income or loss attributable to noncontrolling interests between continuing and discontinued operations, for the years ended December 31, 2011, 2010 and 2009, respectively (in thousands):

	2011			2010			2009
Loss from continuing operations attributable to common shareholders	$	(66,261	)	$	(40,024	)	$	(303,352	)
Income (loss) from discontinued operations attributable to common shareholders	97,677			25,916			(30,249		)
Net income (loss) attributable to common shareholders	$	31,416		$	(14,108	)	$	(333,601	)

Schedule of Discontinued Operations, Properties Held-for-Sale, Aggregate Balance Sheet Information

The following table illustrates aggregate balance sheet information of these held-for-sale properties (in thousands):

	December 31, 2011		December 31, 2010
Real estate investment, net	$	49,735	$	354,692
Other assets	5,845		39,595
Total assets held-for-sale	$	55,580	$	394,287
Accrued expenses	$	254	$	9,615
Other liabilities	721		5,117
Total liabilities held-for-sale	$	975	$	14,732