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Share-based compensation - Summary of Restricted Stock Units Granted Under The Plan (Parenthetical) (Detail) - Restricted Share Unit [Member]
12 Months Ended
Dec. 31, 2021
shares
Disclosure Of Other Equity Instruments Granted Activity Share Based Payment Arrangement [Line Items]  
Number of Restricted stock units withheld for tax purposes 125
Loja Integrada Share Based Compensation Plan [Member]  
Disclosure Of Other Equity Instruments Granted Activity Share Based Payment Arrangement [Line Items]  
Number of Restricted stock units withheld for tax purposes 1