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Financial Risk Management Objectives - Summary of Capital Management (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disclosure Of Objectives Policies And Processes For Managing Capital [Abstract]        
Interest bearing loans and borrowings $ 65,387 $ 13,781    
Trade and other payables 44,784 27,370    
Less: cash and cash equivalents (44,507) (52,237)    
Net debt 65,664 (11,086)    
Total equity 209,317 234,875 $ 228,435 $ 221,816
Capital and net debt $ 274,981 $ 223,789    
Gearing ratio 23.90% 0.00%