Mortgage Loan Payable And Credit Facilities (Schedule Of Mortgage Loans Payable Repaid) (Details) - Mortgage Loans Payable [Member]	6 Months Ended
	Jun. 30, 2016 USD ($)
Gold Star Plaza [Member]
Debt Instrument [Line Items]
Repayment date	Mar. 10, 2016
Principal payoff amount	$ 953,000
West Bridgewater [Member]
Debt Instrument [Line Items]
Repayment date	Jun. 06, 2016
Principal payoff amount	$ 10,037,000
Hamburg Square [Member]
Debt Instrument [Line Items]
Repayment date	Jul. 01, 2016
Principal payoff amount	$ 4,569,000
Meadows Marketplace [Member]
Debt Instrument [Line Items]
Repayment date	Aug. 01, 2016
Principal payoff amount	$ 9,089,000
Carman's Plaza [Member]
Debt Instrument [Line Items]
Repayment date	Aug. 01, 2016
Principal payoff amount	$ 33,500,000