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Loans, financing, debentures and hedge derivative financial instruments - Notes (Details Textual)
$ in Thousands
1 Months Ended
Apr. 30, 2020
BRL (R$)
Notes
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Summary of loans debentures and finance leases [line items]      
Face value unit | $   $ 90,000 $ 90,000
Unsecured commercial notes payable not convertible into shares, maturity at 6th April, 2021 [member] | IPP [member]      
Summary of loans debentures and finance leases [line items]      
Number of debt instruments issued | Notes 40    
Face value unit | R$ R$ 25,000,000    
Final maturity April 6, 2021    
Payment of the face value Lump sum at final maturity    
Interest DI + 3.10%    
Payment of interest Lump sum at final maturity    
Reprice Not applicable