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Deferred Charges and Other Assets, net - Allocated values of above-market leases and below-market leases (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Above-Market Leases |  |
Above-Market Leases |  |
Original allocated value | $ 70,481 | $ 72,289
Less accumulated amortization | (32,259) | (32,484)
Allocated value net | 38,222 | 39,805
Below-Market Leases |  |
Below-Market Leases |  |
Original allocated value | 98,069 | 99,332
Less accumulated amortization | (38,084) | (37,122)
Allocated value net | $ 59,985 | $ 62,210

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