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MORTGAGE AND OTHER INDEBTEDNESS, NET (Construction Loan Repaid) (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016
Debt Instrument [Line Items] |  |  |
Principal Balance Repaid |  | $ 427,247 | $ 291,607
The Outlet Shoppes at Atlanta, Woodstock, GA |  |  |
Debt Instrument [Line Items] |  |  |
Interest rate | 3.02% |  | 3.02%
Principal Balance Repaid | $ 2,124 |  |

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