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Summary Of Significant Accounting Policies and Recent Accounting Pronouncements Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Amortization of below market leases and in-place leases) Table (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Summary of Accounting Policies and Recent Accounting Pronouncements [Abstract]
Revenues related to below market leases	$ 0.2us-gaap_AmortizationOfBelowMarketLease	$ 1.1us-gaap_AmortizationOfBelowMarketLease	$ 1.4us-gaap_AmortizationOfBelowMarketLease
Amortization of in-place leases	$ 1.4us-gaap_AmortizationOfIntangibleAssets	$ 5.6us-gaap_AmortizationOfIntangibleAssets	$ 13.1us-gaap_AmortizationOfIntangibleAssets

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- Definition

Amount of amortization of acquired leases acquired as part of a real property acquisition at below market lease rate with a finite life.

+ References

No definition available.

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- Definition

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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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