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Deferred Costs, Acquired Lease Intangibles and Goodwill (Tables) | 3 Months Ended
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Mar. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Schedule of Deferred Costs, Net | Deferred costs, net consisted of the following (amounts in thousands):
| March 31, 2015 |  | December 31, 2014
| Gross Amount |  | Accumulated Amortization |  | Gross Amount |  | Accumulated Amortization
Leasing costs | $ | 112,986 |  |  | $ | (31,487 | ) |  | $ | 100,653 |  |  | $ | (33,439 | )
Financing costs | 18,824 |  |  | (4,772 | ) |  | 17,334 |  |  | (4,336 | )
Total deferred costs | $ | 131,810 |  |  | $ | (36,259 | ) |  | $ | 117,987 |  |  | $ | (37,775 | )
Schedule of Amortizing Acquired Intangible Assets and Liabilities | Amortizing acquired intangible assets and liabilities consisted of the following (amounts in thousands):
| March 31, 2015 |  | December 31, 2014
| Gross Amount |  | Accumulated Amortization |  | Gross Amount |  | Accumulated Amortization
Acquired below-market ground leases | $ | 396,916 |  |  | $ | (7,151 | ) |  | $ | 396,916 |  |  | $ | (5,029 | )
Acquired in-place lease value and deferred leasing costs | 300,725 |  |  | (92,680 | ) |  | 304,916 |  |  | (83,540 | )
Acquired above-market leases | 84,213 |  |  | (19,172 | ) |  | 84,633 |  |  | (15,761 | )
Acquired below-market leases | (168,372 | ) |  | 38,636 |  |  | (169,805 | ) |  | 30,946 |

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- Definition Schedule of Amortizing Acquired Intangible Assets and Liabilities [Table Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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