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Discontinued Operations (Narrative) (Details) (USD $)	3 Months Ended		6 Months Ended				6 Months Ended	3 Months Ended	6 Months Ended		3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	May 06, 2014 McCormick Place [Member]	May 27, 2014 Gahanna Discount Drug Mart Plaza [Member]	Jun. 30, 2014 Discontinued Operations [Member]	Jun. 30, 2014 Discontinued Operations [Member] McCormick Place [Member]	Jun. 30, 2014 Discontinued Operations [Member] McCormick Place [Member]		Jun. 30, 2014 Discontinued Operations [Member] Gahanna Discount Drug Mart Plaza [Member]	Jun. 30, 2014 Discontinued Operations [Member] Gahanna Discount Drug Mart Plaza [Member]		Jun. 30, 2014 Discontinued Operations [Member] Harbor Square (f/k/a Shore Mall) [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Mortgage loans payable and accrued interest for properties under conveyance process					$ 2,700,000	$ 5,000,000
Carrying value of property held for sale					1,800,000	4,300,000
Gain on extinguishment of debt obligations	1,423,000	1,298,000	1,423,000	1,298,000				800,000			600,000
Sales price of real estate sold							$ 74,761,000		$ 2,679,000	[1]		$ 4,982,000	[1]	$ 25,000,000
[1] Lender accepted a deed-in-lieu of foreclosure on the property. Sales price represents mortgage loan payable, accrued interest and other expenses forgiven upon title transfer.

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- Definition

Discontinued Operations Gain Loss On Extinguishment Of Debt

+ References

No definition available.

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- Definition

Mortgage Loans Payable And Accrued Interest For Conveyance Properties In Process

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.1(f))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(e))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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