Summary Of Significant Accounting Policies (Income Taxes and Segments) (Details)	12 Months Ended
Dec. 31, 2014 segment properties
Accounting Policies [Abstract]
Minimum percentage of taxable income distributed to shareholders	90.00%
Number of properties exceeding segment reporting threshold	0
Segment reporting threshold	10% of our revenues or property operating income
Number of segments	1us-gaap_NumberOfReportableSegments

Description of the factors used to identify reportable segments, including the basis of organization (for example, whether management has chosen to organize the enterprise around differences in products and services, geographic areas, regulatory environments, or a combination of factors and whether operating segments have been aggregated to reportable segments).

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8721-108599

Name:	us-gaap_FactorsUsedToIdentifyEntitysReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration