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Deferred Costs (Tables) | 9 Months Ended
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Sep. 30, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Schedule of components of deferred costs | Deferred costs at September 30, 2020 and December 31, 2019 consisted of the following (in thousands):
| September 30, 2020 |  | December 31, 2019
Deferred leasing costs | $ | 496,812 |  |  | $ | 466,136 |
Less: accumulated amortization | (290,523) |  |  | (260,853) |
Deferred costs, net | $ | 206,289 |  |  | $ | 205,283 |

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