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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Derivative contracts |  |  |  |
Assets |  |  | $ 363 | $ 1,932
Liabilities |  |  | (252) | (305)
Derivatives designated as hedging instruments: | Foreign currency forward contracts |  |  |  |
Derivative contracts |  |  |  |
Notional Amounts |  |  | 919 | 2,357
Assets |  |  | 79 |
Liabilities |  |  |  | (119)
Derivatives designated as hedging instruments: | Commodity futures contracts |  |  |  |
Derivative contracts |  |  |  |
Notional Amounts |  |  | 13,840 | 10,811
Assets |  |  | 284 | 1,932
Liabilities |  |  | $ (252) | $ (186)
Forecast |  |  |  |
Derivative contracts |  |  |  |
Gain (loss) to be reclassified | $ (52) | $ 84 |  |

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