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CURRENT AND DEFERRED TAXES (Details) - Schedule of profit before tax by the legal tax rate - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Deferred tax expense (income) [abstract]      
Tax expense using the legal rate $ 38,318 $ 112,230 $ 95,425
Tax expense using the legal rate, percentage 27.00% 27.00% 25.50%
Tax effect by change in tax rate $ 5,587 $ 897
Tax effect by change in tax rate, percentage 1.34% 0.24%
Tax effect of rates in other jurisdictions $ 20,082 $ 15,905 $ 42,326
Tax effect of rates in other jurisdictions, percentage 14.15% 3.83% 11.31%
Tax effect of non-taxable operating revenues $ (13,125) $ (3,076) $ (44,593)
Tax effect of non-taxable operating revenues, percentage (9.25%) (0.74%) (11.92%)
Tax effect of disallowable expenses $ 66,257 $ 61,295 $ 35,481
Tax effect of disallowable expenses, percentage 46.69% 14.75% 9.48%
Tax effect of due to the non-use of tax losses $ (190,430) $ (309,811) $ (108,896)
Tax effect of due to the non-use of tax losses, percentage 11.18% 0.06%
Other increases (decreases) in legal tax charge $ (165,229) $ (164,554) $ 43,757
Other increases (decreases) in legal tax charge, percentage (116.43%) (39.59%) 11.69%
Total adjustments to tax expense using the legal rate $ (92,015) $ (38,351) $ 78,079
Total adjustments to tax expense using the legal rate, percentage (64.84%) (9.23%) 20.86%
Tax expense using the effective rate $ (53,697) $ 73,879 $ 158,998
Tax expense using the effective rate, percentage (37.84%) 17.77% 46.36%