XML 150 R87.htm IDEA: XBRL DOCUMENT v3.22.4
Marketable securities and short-term investments - Summary of Short term Investments (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
shortterm investments [Line Items]    
Opening balance on January 1 $ 177,191 $ 0
Additions 111,612 177,816
Redemption (78,011) (1,053)
Fair value gains (losses) (4,766) 428
Exchange differences (1,981) 0
Closing balance on December 31 $ 204,045 $ 177,191