Debt (Debt Repayments-Mortgage Loans) (Details) - Mortgages $ in Millions	Aug. 03, 2015 USD ($)
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate	7.90%
Extinguishment of Debt, Amount	$ 147.0
Barracks Road
Debt Instrument [Line Items]
Extinguishment of Debt, Amount	35.3
Brick Plaza
Debt Instrument [Line Items]
Extinguishment of Debt, Amount	25.9
Wynnewood
Debt Instrument [Line Items]
Extinguishment of Debt, Amount	25.5
Lawrence Park
Debt Instrument [Line Items]
Extinguishment of Debt, Amount	25.0
Wildwood
Debt Instrument [Line Items]
Extinguishment of Debt, Amount	22.0
Hauppauge
Debt Instrument [Line Items]
Extinguishment of Debt, Amount	$ 13.3

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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