Significant Accounting Policies (Schedule Of Standard Depreciable Life) (Details)	3 Months Ended
	Mar. 31, 2016
Land [Member]
Finite Lived Intangible Assets [Line Items]
Standard depreciable life	Not depreciated
Building [Member]
Finite Lived Intangible Assets [Line Items]
Standard depreciable life	40 years
Building Improvements [Member] | Minimum [Member[
Finite Lived Intangible Assets [Line Items]
Standard depreciable life	5 years
Building Improvements [Member] | Maximum [Member]
Finite Lived Intangible Assets [Line Items]
Standard depreciable life	40 years
Tenant Improvements [Member]
Finite Lived Intangible Assets [Line Items]
Standard depreciable life	Shorter of lease term or useful life
Leasing Costs [Member]
Finite Lived Intangible Assets [Line Items]
Standard depreciable life	Lease term
In-Place Leases [Member]
Finite Lived Intangible Assets [Line Items]
Standard depreciable life	Lease term
Above and Below Market Leases [Member]
Finite Lived Intangible Assets [Line Items]
Standard depreciable life	Lease term