Organization And Summary Of Significant Accounting Policies Gross Intangible Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Leases, Acquired, Above In-Place [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible lease assets	$ 6,999	$ 5,907
Leases, Acquired-in-Place [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible lease assets	38,342	31,970
Leases, Acquired-in-Place, Market Adjustment [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible lease liabilities	$ 25,377	$ 23,367

The aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant