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Deferred Charges and Other Assets, net - Schedule of estimated amortization of allocated values of above and below-market leases for the next five years and thereafter (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Above Market |  |
2020 | $ 7,921 |
2021 | 6,255 |
2022 | 4,719 |
2023 | 3,436 |
2024 | 2,276 |
Thereafter | 7,760 |
Allocated value net | 32,367 |
Above Market |  |
Above Market |  |
2020 | 5,328 |
2021 | 4,677 |
2022 | 4,055 |
2023 | 3,685 |
2024 | 2,691 |
Thereafter | 3,743 |
Allocated value net | 24,179 | $ 91,042
Below Market |  |
Below Market |  |
2019 | 6,882 |
2020 | 5,344 |
2021 | 4,374 |
2022 | 3,617 |
2023 | 3,348 |
Thereafter | 13,498 |
Allocated value, net | $ 37,063 | $ 51,985

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