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INVESTMENTS IN NON-CONSOLIDATED COMPANIES (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disclosure of interests in other entities [Abstract]    
Investments in non-consolidated companies, beginning balance $ 513,648 $ 495,241
Equity in earnings of non-consolidated companies 57,555 60,967
Other comprehensive income (93,598) (39,449)
Dividends from non-consolidated companies (6,299) (3,111)
Investments in non-consolidated companies, ending balance $ 471,306 $ 513,648