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Deferred Costs, Acquired Lease Intangibles and Goodwill (Tables) | 3 Months Ended
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Mar. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Deferred Costs, Net | Deferred costs, net, consisted of the following as of March 31, 2021 and December 31, 2020 (amounts in thousands):
| March 31, 2021 |  | December 31, 2020
Leasing costs | $ | 203,730 |  |  | $ | 203,905 |
Acquired in-place lease value and deferred leasing costs | 180,131 |  |  | 181,336 |
Acquired above-market leases | 40,254 |  |  | 40,398 |
| 424,115 |  |  | 425,639 |
Less: accumulated amortization | (225,967) |  |  | (223,918) |
Total deferred costs, net, excluding net deferred financing costs | $ | 198,148 |  |  | $ | 201,721 |
Deferred financing costs, net, consisted of the following at March 31, 2021 and December 31, 2020 (amounts in thousands):
|  | March 31, 2021 |  | December 31, 2020
Financing costs |  | $ | 42,689 |  |  | $ | 35,365 |
Less: accumulated amortization |  | (19,202) |  |  | (17,998) |
Total deferred financing costs, net |  | $ | 23,487 |  |  | $ | 17,367 |
Amortizing Acquired Intangible Assets and Liabilities | Amortizing acquired intangible assets and liabilities consisted of the following as of March 31, 2021 and December 31, 2020 (amounts in thousands):
| March 31, 2021 |  | December 31, 2020
Acquired below-market ground leases | $ | 396,916 |  |  | $ | 396,916 |
Less: accumulated amortization | (54,139) |  |  | (52,181) |
Acquired below-market ground leases, net | $ | 342,777 |  |  | $ | 344,735 |
| March 31, 2021 |  | December 31, 2020
Acquired below-market leases | $ | (77,686) |  |  | $ | (78,451) |
Less: accumulated amortization | 47,574 |  |  | 46,746 |
Acquired below-market leases, net | $ | (30,112) |  |  | $ | (31,705) |

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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=120391452&loc=d3e13212-122682 + Details
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