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FINANCIAL RISK MANAGEMENT (Details) - Schedule of sensitivity analysis - Interest Rate Derivative Contracts [Member] - Interest rate risk [member] - USD ($) $ in Thousands | 12 Months Ended |
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Dec. 31, 2019 | Dec. 31, 2018
Top of range [member] |  |
FINANCIAL RISK MANAGEMENT (Details) - Schedule of sensitivity analysis [Line Items] |  |
Increase (decrease) futures curve in libor 3 months | +100 basis points |
Positions on effect on profit or loss before tax | $ (27,600) | $ (29,620)
Positions effect on equity | $ (27,600) | (29,620)
Bottom of range [member] |  |
FINANCIAL RISK MANAGEMENT (Details) - Schedule of sensitivity analysis [Line Items] |  |
Increase (decrease) futures curve in libor 3 months | -100 basis points |
Positions on effect on profit or loss before tax | $ 27,600 | 29,620
Positions effect on equity | $ 27,600 | $ 29,620

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