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FINANCIAL INSTRUMENTS AND RISKS MANAGEMENT (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Fair Value, Inputs, Level 1 [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Trading securities | $ 6,663 | $ 358
Total Securities | 6,663 | 358
Fair Value, Inputs, Level 2 [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Trading securities |  |
Total Securities |  |
Fair Value, Inputs, Level 3 [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Trading securities |  |
Total Securities |  |
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member] | Cost of Sales [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Gain recognized in income on derivatives |  | $ 399

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