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Business combinations - Summary of Changes In Balance Payable From Acquisition of Subsidiaries (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Schedule of Changes in Balance Payable From Acquisition Of Subsidiaries [Abstract]    
At January 1 $ 6,423 $ 4,000
Addition due to acquisition - installments 0 1,880
Addition due to acquisition - earn-out 0 6,483
Payments of principal/finance charges - installments (1,224) (3,556)
Payments of principal/finance charges - earn-out (916) (1,378)
Fixed installments adjustment (i) (362) 44
Earn-out adjustment (i) (3,740) (785)
Accrued interest and others 9 62
Exchange rate differences 109 (327)
At December 31 $ 299 $ 6,423