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Summary of Significant Accounting Policies (Details 1) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | ---
Deferred Leasing Intangibles included in Total Assets |  |
Total Deferred Leasing Intangibles, Net | $ 38,037 | $ 39,718
Total included in Other Liabilities |  |
Below Market Leases | 16,567 | 18,519
Total Deferred Leasing Intangibles, Net | 16,567 | 18,519
In-Place Leases [Member] |  |
Deferred Leasing Intangibles included in Total Assets |  |
Total Deferred Leasing Intangibles, Net | 19,587 | 21,951
Above Market Leases [Member] |  |
Deferred Leasing Intangibles included in Total Assets |  |
Total Deferred Leasing Intangibles, Net | 5,888 | 3,948
Tenant Relationships [Member] |  |
Deferred Leasing Intangibles included in Total Assets |  |
Total Deferred Leasing Intangibles, Net | $ 12,562 | $ 13,819

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- Definition 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. + References 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of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 + Details
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- Definition This element represents a liability associated with the acquisition of an off-market lease when the terms of the lease are unfavorable to the market terms for the lease at the date of acquisition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 37 -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 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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