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INCOME AND EXPENSES ITEMS - Summary of Employee Benefits Expenses (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure Of Other Operating Income Expense [Line Items]      
Total employee benefits expenses $ 27,717 $ 30,440 $ 29,293
Included in cost of sales:      
Disclosure Of Other Operating Income Expense [Line Items]      
Wages and salaries 12,555 14,088 13,065
Labor and health insurance costs 79 77 71
Pension costs 886 828 736
Other employment benefits 734 843 702
Included in selling expenses:      
Disclosure Of Other Operating Income Expense [Line Items]      
Wages and salaries 3,881 4,191 3,557
Labor and health insurance costs 9 8 7
Pension costs 337 360 300
Other employment benefits 25 36 14
Included in general and administrative expenses:      
Disclosure Of Other Operating Income Expense [Line Items]      
Wages and salaries 7,950 8,435 8,861
Labor and health insurance costs 103 104 89
Pension costs 608 661 640
Other employment benefits 138 222 186
Director fees $ 412 $ 587 $ 1,065