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Current and deferred tax - Summary of Reconciliation of Benefit (Expenses) of Income Tax and Social Contribution (Parentheticals) (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Statements [Line Items]      
Brazilian Tax rate 34.00%    
Income tax benefit $ (9,472) $ 4,288 $ 883
BRAZIL      
Statements [Line Items]      
Corporate tax rate 25.00%    
Percentage Of Social Contribution On Net Profits rate 9.00%    
UNITED STATES      
Statements [Line Items]      
Corporate tax rate 21.00%    
Accumulated net operating losses $ 25,963 8,240  
Income tax benefit $ 5,452 1,700  
UNITED KINGDOM      
Statements [Line Items]      
Corporate tax rate 19.00%    
Accumulated net operating losses $ 21,889 5,256  
Income tax benefit $ 5,472 $ 998  
UNITED KINGDOM | Bottom of range [member]      
Statements [Line Items]      
Corporate tax rate 19.00%    
UNITED KINGDOM | Top of range [member]      
Statements [Line Items]      
Corporate tax rate 25.00%    
ARGENTINA      
Statements [Line Items]      
Corporate tax rate 35.00%