The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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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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Identified Intangible Assets And Liabilities (Schedule Of Future Amortization) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Above-Market Leases [Member]
Finite-Lived Intangible Assets [Line Items]
Ownership percentage in joint ventures			50.00%
Acceleration Of Mortgage Intangible Amortization [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization (accretion)			$ (9,700)
Rental Revenues [Member] \| Above-Market Leases [Member]
Finite-Lived Intangible Assets [Line Items]
2016 amortization/(accretion)	$ 615
2017 amortization/(accretion)	930
2018 amortization/(accretion)	853
2019 amortization/(accretion)	394
2020 amortization/(accretion)	284
Amortization (accretion)	500	$ 1,700	(600)
Depreciation and Amortization [Member] \| In Place Leases [Member]
Finite-Lived Intangible Assets [Line Items]
2016 amortization/(accretion)	10,757
2017 amortization/(accretion)	10,210
2018 amortization/(accretion)	9,498
2019 amortization/(accretion)	8,175
2020 amortization/(accretion)	7,462
Amortization (accretion)	12,300	12,000	11,600
Interest Expense [Member] \| Below-Market Assumed Mortgages [Member]
Finite-Lived Intangible Assets [Line Items]
2016 amortization/(accretion)	(819)
2017 amortization/(accretion)	(940)
2018 amortization/(accretion)	(1,047)
2019 amortization/(accretion)	(1,047)
2020 amortization/(accretion)	(276)
Amortization (accretion)	$ (700)	$ (1,000)	$ (10,400)