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RISK MANAGEMENT AND USE OF FINANCIAL INSTRUMENTS (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jan. 24, 2019 | Jun. 30, 2021 | Jun. 30, 2021 | Dec. 24, 2018
Derivative financial instruments |  |  |  |
Realized losses reclassified from accumulated other comprehensive loss |  | $ 20 | $ 40 |
Amount estimated to be reclassified as an increase to interest expense |  |  | $ 100 |
Interest rate swap |  |  |  |
Derivative financial instruments |  |  |  |
Notional Amount |  |  |  | $ 150,000
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Termination Premium | $ 800 |  |  |
Designated | Cash flow |  |  |  |
Derivative financial instruments |  |  |  |
Settlement of hedge transactions | $ 800 |  |  |

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