Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2012

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

The following are fair value measurements recorded on a recurring basis at September 30, 2012 and December 31, 2011, respectively (in thousands):



		Fair Value Measurements as of September 30, 2012
				Quoted Prices in Active Markets for Identical Assets	Significant Other Observable Inputs		Significant Unobservable Inputs
Assets		Balance		(Level 1)	(Level 2)		(Level 3)
Trading securities held in trust	$	23,208		23,208	—		—
Total	$	23,208		23,208	—		—

Liabilities:
Interest rate derivatives	$	(86	)	—	(88	)	2



		Fair Value Measurements as of December 31, 2011
				Quoted Prices in Active Markets for Identical Assets	Significant Other Observable Inputs		Significant Unobservable Inputs
Assets		Balance		(Level 1)	(Level 2)		(Level 3)
Trading securities held in trust		21,713		21,713	—		—
Total	$	21,713		21,713	—		—

Liabilities:
Interest rate derivatives	$	(37	)	—	(38	)	1

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Table Text Block]

The following are fair value measurements recorded on a nonrecurring basis as of December 31, 2011 (in thousands):



		Fair Value Measurements as of December 31, 2011
			Quoted Prices in Active Markets for Identical Assets	Significant Other Observable Inputs	Significant Unobservable Inputs	Total Gains (Losses)⁽¹⁾
Assets		Balance	(Level 1)	(Level 2)	(Level 3)	Total Gains (Losses)⁽¹⁾
Long-lived assets held and used
Operating and development properties	$	5,520	—	—	5,520	(11,843	)
Investment in real estate partnerships		1,893	—	—	1,893	(4,580	)
Total	$	7,413	—	—	7,413	(16,423	)

Ranges Of Key Inputs Used In Determining The Fair Value Of Real Estate [Table Text Block]

The following are ranges of key inputs used in determining the fair value of real estate measured using Level 3 inputs as of December 31, 2011:



	2011
	Low		High
Yield rates	7.5	%	9.0	%
Rental growth rates	2.0	%	3.0	%

Discount rates	8.5	%	10.0	%
Terminal cap rates	8.0	%	9.5	%

- Definition

Tabular disclosure of assets and liabilities by class, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). The disclosures that may be required or desired include: (a) the fair value measurements recorded during the period and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets or liabilities (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset.

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- Definition

Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

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