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Lease Intangibles - Schedule of Intangible Assets and Liabilities Included in Other Assets and Accounts Payable and Other Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
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Finite-Lived Intangible Assets [Line Items] |  |
Amortizable Intangible Assets, Gross Carrying Amount | $ 284,910 | $ 287,523
Amortizable Intangible Assets, Accumulated Amortization | (193,539) | (186,791)
Amortizable Intangible Assets, Net Carrying Amount | 91,371 | 100,732
Amortizable Intangible Liabilities |  |
Amortizable Intangible Liabilities, Gross Carrying Amount | (160,388) | (164,923)
Amortizable Intangible Liabilities, Accumulated Amortization | 89,812 | 88,951
Amortizable Intangible Liabilities, Net Carrying Amount | (70,576) | (75,972)
Above-market Ground Lease, Gross | (671) | (671)
Above-market Ground Lease, Accumulated Amortization | 224 | 209
Above-market Ground Lease, Net | (447) | (462)
Finite-Lived Intangible Liabilities, Gross | (161,059) | (165,594)
Finite-Lived Intangible Liabilities, Accumulated Amortization | 90,036 | 89,160
Finite-Lived Intangible Liabilities, Net | (71,023) | (76,434)
In-place lease intangible assets |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortizable Intangible Assets, Gross Carrying Amount | 265,722 | 268,335
Amortizable Intangible Assets, Accumulated Amortization | (178,279) | (171,856)
Amortizable Intangible Assets, Net Carrying Amount | 87,443 | 96,479
Amortizable Intangible Liabilities |  |
Amortizable Intangible Liabilities, Net Carrying Amount | (66,648) |
Above-market rent |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortizable Intangible Assets, Gross Carrying Amount | 19,188 | 19,188
Amortizable Intangible Assets, Accumulated Amortization | (15,260) | (14,935)
Amortizable Intangible Assets, Net Carrying Amount | $ 3,928 | $ 4,253

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