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COSTS AND EXPENSES BY NATURE (Details) - Schedule of depreciation and amortisation expense - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Schedule of depreciation and amortisation expense [Abstract]      
Depreciation $ 1,219,586 $ 1,389,465 $ 1,307,032
Amortization 169,800 80,511 65,596
Total $ 1,389,386 $ 1,469,976 $ 1,372,628