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SELLING, GENERAL AND ADMINISTRATIVE EXPENSES (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Selling, general and administrative expense [Line Items]      
Services and fees $ 53,220 $ 79,283 $ 76,066
Labor cost 192,854 215,418 241,552
Depreciation of property, plant and equipment 15,920 16,034 13,561
Amortization of intangible assets 73,224 118,339 93,842
Maintenance and expenses 4,275 4,894 5,096
Taxes 97,075 104,014 95,072
Office expenses 27,314 35,956 35,663
Freight and transportation 283,808 307,958 300,676
Increase (decrease) of allowance for doubtful accounts 336 (293) 1,629
Others 14,856 15,872 13,607
Selling, general and administrative expenses   762,882 897,475 876,764
PwC      
Selling, general and administrative expense [Line Items]      
Auditor's remuneration 3,289 3,804 4,704
Auditor's remuneration for audit services 3,132 3,485 3,937
Auditor's remuneration for audit-related services 41 54 61
Auditor's remuneration for tax services 95 190 281
Auditor's remuneration for other services $ 21 $ 75 $ 425