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Segment Reporting (Details 2) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Segment Reporting [Abstract] |  |  |  |
Rental income from real estate assets sold or held for sale | $ 7,719 | $ 21,399 | $ 17,307 | $ 44,529
Operating expenses from real estate assets sold or held for sale | (2,970) | (7,818) | (6,758) | (15,957)
Net operating income from real estate assets sold or held for sale | $ 4,749 | $ 13,581 | $ 10,549 | $ 28,572

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