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Intangible Assets and Below Market Liabilities (Tables) | 3 Months Ended
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Mar. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract] |
Total Intangible Assets and Below Market Liabilities [Table Text Block] | The following table sets forth total intangible assets and below market lease liabilities, net of accumulated amortization:
| March 31, 2012 |  | December 31, 2011
Assets: |  |  |
Deferred financing costs | $ | 20,251 |  |  | $ | 18,044 |
Less accumulated amortization | (6,675 | ) |  | (5,797 | )
| 13,576 |  |  | 12,247 |
Deferred leasing costs (including lease incentives and acquisition-related intangible assets) | 176,615 |  |  | 173,405 |
Less accumulated amortization | (60,987 | ) |  | (57,262 | )
| 115,628 |  |  | 116,143 |
Deferred financing and leasing costs, net | $ | 129,204 |  |  | $ | 128,390 |
Liabilities (in accounts payable, accrued expenses and other liabilities): |  |  |
Acquisition-related below market lease liabilities | $ | 16,390 |  |  | $ | 16,441 |
Less accumulated amortization | (1,457 | ) |  | (971 | )
| $ | 14,933 |  |  | $ | 15,470 |
Amortization of Intangible Assets and Below Market Liabilities [Table Text Block] | The following table sets forth amortization of intangible assets and below market lease liabilities:
| Three Months Ended March 31,
| 2012 |  | 2011
Amortization of deferred financing costs | $ | 902 |  |  | $ | 821 |
Amortization of deferred leasing costs and acquisition-related intangible assets (in depreciation and amortization) | $ | 6,440 |  |  | $ | 4,356 |
Amortization of lease incentives (in rental and other revenues) | $ | 343 |  |  | $ | 338 |
Amortization of acquisition-related intangible assets (in rental and other revenues) | $ | 270 |  |  | $ | 186 |
Amortization of acquisition-related below market lease liabilities (in rental and other revenues) | $ | (544 | ) |  | $ | (25 | )
Scheduled Future Amortization of Intangible Assets and Below Market Liabilities [Table Text Block] | The following table sets forth scheduled future amortization of intangible assets and below market lease liabilities:
|  | Amortization of Deferred Financing Costs |  | Amortization of Deferred Leasing Costs and Acquisition-Related Intangible Assets (in Depreciation and Amortization) |  | Amortization of Lease Incentives (in Rental and Other Revenues) |  | Amortization of Acquisition-Related Intangible Assets (in Rental and Other Revenues) |  | Amortization of Acquisition-Related Below Market Lease Liabilities (in Rental and Other Revenues)
April 1, 2012 through December 31, 2012 |  | $ | 2,835 |  |  | $ | 19,281 |  |  | $ | 981 |  |  | $ | 788 |  |  | $ | (1,589 | )
2013 |  | 3,306 |  |  | 21,690 |  |  | 1,154 |  |  | 820 |  |  | (2,093 | )
2014 |  | 3,004 |  |  | 17,497 |  |  | 992 |  |  | 526 |  |  | (2,019 | )
2015 |  | 2,391 |  |  | 13,476 |  |  | 771 |  |  | 341 |  |  | (1,807 | )
2016 |  | 1,020 |  |  | 10,175 |  |  | 600 |  |  | 281 |  |  | (1,511 | )
Thereafter |  | 1,020 |  |  | 23,172 |  |  | 2,341 |  |  | 742 |  |  | (5,914 | )
|  | $ | 13,576 |  |  | $ | 105,291 |  |  | $ | 6,839 |  |  | $ | 3,498 |  |  | $ | (14,933 | )

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- Definition Tabular disclosure of amortizable intangibles assets, in total and by major class, including the gross carrying amount and accumulated amortization. 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 -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 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16265-109275 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) -URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16323-109275 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References No definition available. + Details
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