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Cash and cash equivalents - Summary of Cash and cash equivalents (Detail) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Cash And Cash Equivalents [Line Items]        
Cash $ 18,930 $ 120,928    
Time deposits and other investments 2,271 0    
Short-term investments, classified as cash equivalents 3,193 78    
Cash and cash equivalents $ 24,394 $ 121,006 $ 58,557 $ 29,762