Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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+ Details

Discontinued Operations Discontinued Operations (Details) (USD $)	3 Months Ended			9 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Sale of Real Estate	$ 7,300,000			$ 16,300,000	$ 25,500,000
Proceeds from Sale of Real Estate	7,300,000			16,300,000	25,500,000
Discontinued Operation, Tax Effect of Discontinued Operation		(283,000)	6,000	(283,000)	26,000
Discontinued Operation, Tax Effect of Discontinued Operation		283,000	(6,000)	283,000	(26,000)
Segment, Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues included in Discontinued Operations				2,300,000	3,600,000
Revenues included in Discontinued Operations				$ 2,300,000	$ 3,600,000
Wholly Owned Properties [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership Interest				100.00%