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Property: (Tables)

12 Months Ended

Dec. 31, 2011

Property:

Components of property

		2011			2010
Land		$	1,273,649		$	1,158,139
Building improvements			5,440,394			4,934,391
Tenant improvements			442,862			398,556
Equipment and furnishings			123,098			124,530
Construction in progress			209,732			292,891
			7,489,735			6,908,507
Less accumulated depreciation			(1,410,692	)		(1,234,380	)
		$	6,079,043		$	5,674,127

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Tabular disclosure of the components of real estate investment property.

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