Acquired Intangible Assets And Liabilities (Schedule Of Estimated Annual Amortization Of Leases) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
Acquired Below-Market Lease Value [Member]
Finite-Lived Intangible Assets [Line Items]
2013	$ 11,091
2014	9,161
2015	8,044
2016	7,137
2017	5,613
Acquired In Place Lease Value [Member]
Finite-Lived Intangible Assets [Line Items]
2013	57,995
2014	52,791
2015	44,109
2016	41,653
2017	$ 26,947

Finite-Lived Intangible Assets, Amortization Expense, Year Six

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- Definition

Amount of amortization expense expected to be recognized during the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275

+ Details

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- Definition

Amount of amortization expense expected to be recognized during the fourth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Amount of amortization expense expected to be recognized during the third fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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- Definition

Amount of amortization expense expected to be recognized during the second fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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