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Current and deferred tax - Summary of Deferred Tax Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Deferred Tax Assets [Line Items]      
Deferred tax assets $ 17,710 $ 12,572 $ 2,174
Loss Allowances For Financial Assets [Member]      
Deferred Tax Assets [Line Items]      
Deferred tax assets 270 75  
Bonus Provision [Member]      
Deferred Tax Assets [Line Items]      
Deferred tax assets 1,712 750  
Lease [Member]      
Deferred Tax Assets [Line Items]      
Deferred tax assets 392 366  
Share-based compensation [Member]      
Deferred Tax Assets [Line Items]      
Deferred tax assets 3,130 3,224  
Hyperinflationary Adjustments [Member]      
Deferred Tax Assets [Line Items]      
Deferred tax assets 37 89  
Tax Loss [Member]      
Deferred Tax Assets [Line Items]      
Deferred tax assets 10,513 6,445  
Others [Member]      
Deferred Tax Assets [Line Items]      
Deferred tax assets $ 1,656 $ 1,623