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Note 17 - Current Tax Assets and Liabilities - Summary of Current Tax Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Disclosure of Current Tax Receivables and Payables [Abstract]    
V.A.T. credits $ 106,293 $ 112,161
Prepaid taxes 30,091 55,227
Current tax assets, current $ 136,384 $ 167,388