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Mortgage Loans Payable And Credit Facility (Summary Of The Derivative Financial Instruments Held) (Details) (USD $)	3 Months Ended
	Mar. 31, 2014 contract		Dec. 31, 2013 contract
Other Assets And Deferred Charges, Net [Member]
Derivatives, Fair Value [Line Items]
Count	2
Notional values	$ 75,000,000
Maturity date	2021
Fair value	589,000
Accounts Payable And Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Count	1		1
Notional values	11,827,000	[1]	11,894,000	[1]
Maturity date	2018
Fair value	$ 625,000		$ 647,000
[1] At March 31, 2014 and December 31, 2013, amounts are interest rate swaps related to mortgage loans payable - real estate held for sale/conveyance on the consolidated balance sheets.

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Nominal or face amount used to calculate payments on the derivative liability.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959



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Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

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-Topic 815

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Number of interest rate derivative instruments held by the entity at the reporting date.

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-Name Accounting Standards Codification

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