Other Assets And Deferred Charges, Net (Schedule Of Future Charges Of Unamortized Balances Of Deferred Lease Origination Costs And Deferred Financing Costs) (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Deferred Costs And Other Assets [Line Items]
Lease origination costs, 2017	$ 2,788,000
Lease origination costs, 2018	2,353,000
Lease origination costs, 2019	2,012,000
Lease origination costs, 2020	1,567,000
Lease origination costs, 2021	1,176,000
Lease origination costs, thereafter	7,821,000
Lease origination costs	17,717,000	$ 18,394,000
Financing costs	3,210,000
Unsecured Revolving Credit Facility [Member]
Deferred Costs And Other Assets [Line Items]
Financing costs, 2017	746,000
Financing costs, 2018	746,000
Financing costs, 2019	62,000
Financing costs	$ 1,554,000	$ 2,288,000