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Basis Of Presentation And Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Millions | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Mortgages [Member] |  |
Debt Instrument [Line Items] |  |
Deferred Finance Costs, Net | $ 3.2 | $ 3.5
Unsecured Debt [Member] |  |
Debt Instrument [Line Items] |  |
Deferred Finance Costs, Net | $ 31.3 | $ 24.5

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