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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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- Definition 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Notional Amount -URI http://asc.fasb.org/extlink&oid=6519104 + Details
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