Acquisitions and Dispositions (Tables)

9 Months Ended

Sep. 30, 2011

Summary of Significant Assumptions Utilized in Estimates

	Low		High
Discount rate	6.40	%	10.10	%
Exit capitalization rate	4.80	%	9.00	%
Lease-up period (months)	12		36
Net rental rate per square foot – Industrial	$2.75		$6.50
Net rental rate per square foot – Office	$8.61		$16.00

Premier Portfolio [Member]

Summary of Preliminary Allocation of Fair Value of Amounts Recognized

	Acquired During Year ended December 31, 2010		Acquired During Nine months ended September 30, 2011		Total
Real estate assets	$	249,960	$	153,656	$	403,616
Lease-related intangible assets	31,091		25,445		56,536
Other assets	1,801		2,571		4,372
Total acquired assets	282,852		181,672		464,524
Secured debt	158,238		125,003		283,241
Other liabilities	4,075		4,284		8,359
Total assumed liabilities	162,313		129,287		291,600
Fair value of acquired net assets	$	120,539	$	52,385	$	172,924

Other 2011 Acquisitions [Member]

Summary of Preliminary Allocation of Fair Value of Amounts Recognized

Real estate assets	$	161,825
Lease related intangible assets	22,879
Other assets	338
Total acquired assets	185,042
Secured debt	20,138
Other liabilities	1,588
Total assumed liabilities	21,726
Fair value of acquired net assets	$	163,316