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Income Taxes - Components of Income Before Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income before income taxes:      
Domestic $ 11,476 $ 6,787 $ 7,520
Foreign 1,157 8,432 1,894
Income before income taxes $ 12,633 $ 15,219 $ 9,414