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Deferred Costs (Tables) | 12 Months Ended
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Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Schedule of Deferred Costs | Deferred costs at December 31, 2019 and 2018 consisted of the following (in thousands):
| December 31,
| 2019 |  | 2018
Deferred leasing costs | $ | 466,136 |  |  | $ | 453,833 |
Less: accumulated amortization | (260,853 | ) |  | (244,723 | )
Deferred costs, net | $ | 205,283 |  |  | $ | 209,110 |

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