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Mortgage Loans Payable And Credit Facility (Summary Of The Derivative Financial Instruments Held) (Details) (Accounts Payable And Accrued Liabilities [Member], USD $)				6 Months Ended
	Jun. 30, 2014 contract	Dec. 31, 2013 contract		Jun. 30, 2014 Interest Rate Swap One [Member]	Jun. 30, 2014 Interest Rate Swap Two [Member]
Derivatives, Fair Value [Line Items]
Count	2	1
Notional values	$ 150,000,000	$ 11,894,000	[1]
Maturity date				2019	2021
Fair value	$ 1,943,000	$ 647,000
[1] Amount is an interest rate swap 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.

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-Publisher FASB

-Name Accounting Standards Codification

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

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