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Income Taxes - Components of Income Before Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income before income taxes:      
Domestic $ 6,787 $ 7,520 $ 1,875
Foreign 8,432 1,894 1,073
Income before income taxes $ 15,219 $ 9,414 $ 2,948