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Discontinued Operations (Narrative) (Details)		3 Months Ended	6 Months Ended
	Feb. 02, 2015 USD ($) property	Jun. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of other properties classified as discontinued operations | property	0
Gain on extinguishment of debt obligations		$ 1,423,000	$ 1,423,000
Gain on sales		$ 7,963,000	$ 7,963,000
Discontinued Operations [Member] | Huntingdon Plaza [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales price	$ 2,200,000

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Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Revenue from the sale of commercial, industrial, or residential property during the period. This element is more likely than not relevant to an entity for which real estate operations are a principal activity. If real estate operations are not a principal activity, the reporting entity would likely use a gain (loss) on sale of property, plant, or equipment type element.

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