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Commitments (Details)
Tons in Thousands
 1 Months Ended 12 Months Ended
Dec. 20, 2020
USD ($)
Feb. 22, 2018
USD ($)
Jan. 31, 2013
Dec. 31, 2021
USD ($)
m²
Tons
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Jan. 31, 2018
USD ($)
Commitments (Details) [Line Items]              
Rental expense       $ 0 $ 100,000 $ 700,000  
Contract term     5 years        
Recognized income       1,200,000 $ 1,100,000 $ 1,800,000  
Supplier amount             $ 6,300,000
Purchase of energy             10,000
Budget   $ 24,000,000          
Cost of project       1,000,000      
Cost amount       $ 415,000      
Investing public shares, percentage       12.00%      
Commiting to pay $ 4,000,000            
Total value $ 105,000,000            
Bottom of range [member]              
Commitments (Details) [Line Items]              
Produce of metric tons             17,500
Top of range [member]              
Commitments (Details) [Line Items]              
Produce of metric tons             22,500
Cariacica [Member]              
Commitments (Details) [Line Items]              
Produce of metric tons | Tons       600      
Rolled Steel Products [Member]              
Commitments (Details) [Line Items]              
Produce of metric tons | Tons       450      
Espírito Santo [Member]              
Commitments (Details) [Line Items]              
Square meters (in Square Meters) | m²       1,200,000      
Itauna [Member]              
Commitments (Details) [Line Items]              
Produce of metric tons | Tons       120      
NRG Curtailment Solutions, Inc. [Member]              
Commitments (Details) [Line Items]              
Contract term     5 years