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Deferred Costs, Acquired Lease Intangibles and Goodwill (Tables) | 9 Months Ended
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Sep. 30, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Deferred Costs, Net | Deferred costs, net, consisted of the following as of September 30, 2018 and December 31, 2017 (amounts in thousands):
| September 30, 2018 |  | December 31, 2017
Leasing costs | $ | 171,865 |  |  | $ | 164,751 |
Acquired in-place lease value and deferred leasing costs | 218,810 |  |  | 237,364 |
Acquired above-market leases | 53,208 |  |  | 67,415 |
| 443,883 |  |  | 469,530 |
Less: accumulated amortization | (206,210 | ) |  | (215,102 | )
Total deferred costs, net, excluding net deferred financing costs | $ | 237,673 |  |  | $ | 254,428 |
Deferred financing costs, net, consisted of the following at September 30, 2018 and December 31, 2017 (amounts in thousands):
|  | September 30, 2018 |  | December 31, 2017
Financing costs |  | $ | 25,312 |  |  | $ | 24,446 |
Less: accumulated amortization |  | (9,006 | ) |  | (7,039 | )
Total deferred financing costs, net |  | $ | 16,306 |  |  | $ | 17,407 |
Amortizing Acquired Intangible Assets and Liabilities | Amortizing acquired intangible assets and liabilities consisted of the following as of September 30, 2018 and December 31, 2017 (amounts in thousands):
| September 30, 2018 |  | December 31, 2017
Acquired below-market ground leases | $ | 396,916 |  |  | $ | 396,916 |
Less: accumulated amortization | (34,561 | ) |  | (28,687 | )
Acquired below-market ground leases, net | $ | 362,355 |  |  | $ | 368,229 |
| September 30, 2018 |  | December 31, 2017
Acquired below-market leases | $ | (120,568 | ) |  | $ | (132,026 | )
Less: accumulated amortization | 64,906 |  |  | 65,979 |
Acquired below-market leases, net | $ | (55,662 | ) |  | $ | (66,047 | )

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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://fasb.org/us-gaap/role/ref/legacyRef -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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