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Deferred Costs, Acquired Lease Intangibles and Goodwill (Tables) | 9 Months Ended
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Sep. 30, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Deferred Costs, Net | Deferred costs, net, consisted of the following as of September 30, 2017 and December 31, 2016 (amounts in thousands):
| September 30, 2017 |  | December 31, 2016
Leasing costs | $ | 158,780 |  |  | $ | 140,325 |
Acquired in-place lease value and deferred leasing costs | 244,829 |  |  | 253,113 |
Acquired above-market leases | 70,290 |  |  | 74,770 |
| 473,899 |  |  | 468,208 |
Less: accumulated amortization | (214,466 | ) |  | (195,617 | )
Total deferred costs, net, excluding net deferred financing costs | $ | 259,433 |  |  | $ | 272,591 |
Deferred financing costs, net, consisted of the following at September 30, 2017 and December 31, 2016 (amounts in thousands):
|  | September 30, 2017 |  | December 31, 2016
Financing costs |  | $ | 23,333 |  |  | $ | 23,145 |
Less: accumulated amortization |  | (6,004 | ) |  | (12,241 | )
Total deferred financing costs, net |  | $ | 17,329 |  |  | $ | 10,904 |
Amortizing Acquired Intangible Assets and Liabilities | Amortizing acquired intangible assets and liabilities consisted of the following as of September 30, 2017 and December 31, 2016 (amounts in thousands):
| September 30, 2017 |  | December 31, 2016
Acquired below-market ground leases | $ | 396,916 |  |  | $ | 396,916 |
Less: accumulated amortization | (26,729 | ) |  | (20,856 | )
Acquired below-market ground leases, net | $ | 370,187 |  |  | $ | 376,060 |
| September 30, 2017 |  | December 31, 2016
Acquired below-market leases | $ | (132,723 | ) |  | $ | (135,026 | )
Less: accumulated amortization | 62,710 |  |  | 52,726 |
Acquired below-market leases, net | $ | (70,013 | ) |  | $ | (82,300 | )

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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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