Adjustments to Additional Paid in Capital, Acquisition Of Noncontrolling Interest

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Equity Method Investment Assumed Mortgage Financing

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Equity Method Investment Mortgage Financing Transferred

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Joint Venture Acquired Ownership Percentage

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Mortgage Loans Payable And Accrued Interest For Conveyance Properties In Process

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- Definition

Number Of Properties Acquired

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- Definition

Number Of Properties Sold

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- Definition

Property Ownership Percentage

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Property Ownership Percentage Sold

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Purchase Price Of Acquired Property

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- Definition

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

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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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- Definition

The number of real estate properties owned as of the balance sheet date.

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Cash received for the sale of real estate that is not part of an investing activity during the current period.

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-Name Accounting Standards Codification

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-Section 45

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-Subparagraph (c)

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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.

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The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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-Name Accounting Standards Codification

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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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Discontinued Operations (Narrative) (Details) (USD $)	12 Months Ended			0 Months Ended	3 Months Ended		0 Months Ended	3 Months Ended
Discontinued Operations (Narrative) (Details) (USD $)	Dec. 31, 2014 property	Dec. 31, 2013	Dec. 31, 2012	Jun. 05, 2013	Jun. 30, 2013	Dec. 31, 2013	Oct. 12, 2012 property	Jun. 30, 2014	May 06, 2014	May 27, 2014	Nov. 14, 2013	Feb. 28, 2011 property
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net proceeds from sales of real estate	$ 102,124,000us-gaap_ProceedsFromSaleOfRealEstate	$ 34,713,000us-gaap_ProceedsFromSaleOfRealEstate	$ 34,858,000us-gaap_ProceedsFromSaleOfRealEstate
Gain on extinguishment of debt obligations	1,423,000	10,452,000
Payments of mortgage loan payable	177,094,000us-gaap_RepaymentsOfSecuredDebt	77,069,000us-gaap_RepaymentsOfSecuredDebt	79,637,000us-gaap_RepaymentsOfSecuredDebt
Number of properties	59us-gaap_NumberOfRealEstateProperties
Increase in shareholders' equity		(1,552,000)	(6,148,000)
Gain on sales	7,963,000		4,679,000
McCormick Place [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
Carrying value of property held for sale									1,800,000
Gahanna Discount Drug Mart Plaza [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										5,000,000
Carrying value of property held for sale										4,300,000
Westlake Discount Drug Mart Plaza [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				3,400,000
Net proceeds from sales of real estate				2,100,000
Gain on extinguishment of debt obligations					1,300,000
Payments of mortgage loan payable				2,100,000
Roosevelt II [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											13,900,000
Carrying value of property held for sale											4,700,000
Gain on extinguishment of debt obligations						9,200,000
Homburg Joint Venture [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of properties												9
Meadows Marketplace And Fieldstone Marketplace [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of properties acquired							2
Acquired ownership percentage in joint venture			80.00%
Purchase price of acquired property			27,300,000
Assumption of mortgage financing related to the exchange agreement			21,800,000
Property ownership percentage							100.00%
Increase in shareholders' equity			7,600,000
Discontinued Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales price	74,761,000	46,393,000	51,163,000
Gain on sales	7,963,000		4,679,000
Discontinued Operations [Member] \| McCormick Place [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on extinguishment of debt obligations								800,000
Sales price	2,679,000
Discontinued Operations [Member] \| Gahanna Discount Drug Mart Plaza [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on extinguishment of debt obligations								600,000
Sales price	4,982,000
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]
Sales price	25,000,000
Discontinued Operations [Member] \| Westlake Discount Drug Mart Plaza [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales price		2,240,000
Discontinued Operations [Member] \| Roosevelt II [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales price		13,878,000
Discontinued Operations [Member] \| Homburg Joint Venture [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of properties			7
Number of properties sold			7
Property ownership percentage sold			20.00%
Sales price			23,642,000
Mortgage financing transferred			14,500,000
Gain on sales			$ 3,929,000