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Current and deferred tax - Summary of Reconciliation of Benefit (Expenses) of Income Tax and Social Contribution (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Reconciliation Of Benefit (Expenses) Of Income Tax And Social Contribution [Line Items]      
Profit (Loss) before income tax $ (56,444) $ (69,986) $ 3,463
Tax at the Brazilian tax rate 19,191 23,795 (1,177)
Technological innovation incentive law (Lei do bem) 0 0 661
Restricted stock units 1,398 451 0
Equity result 329 (1,232) 1,122
Difference to presumed tax regime 0 (1,047) (317)
Stock-option (53) (87) (598)
Unrecognized deferred tax assets (9,465) (8,438) (1,753)
Tax rate reconciliation (6,381) (3,945) (1,050)
Other net differences (994) (25) (1,176)
Income tax and social contribution for the year $ 4,025 $ 9,472 $ (4,288)
Effective rate (7.13%) (13.53%) (123.82%)