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EQUITY (Details 2) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Equity [Roll Forward]      
Beginning balance $ 4,185,304 $ 2,937,548 $ 4,503,695
Deferred tax   (807)  
Net movement of the period (89,839) 552,213 (26,540)
End balance 4,267,236 4,185,304 2,937,548
Shares Based Payments Reserve [Member]      
Equity [Roll Forward]      
Beginning balance 38,538 35,647 29,642
Stock option plan 943 3,698 8,924
Deferred tax (807) (2,919)
Net movement of the period 943 2,891 6,005
End balance $ 39,481 $ 38,538 $ 35,647