Income Taxes - Schedule of Income (Loss) Before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments [Abstract]
Domestic	$ 3,495	$ 11,565	$ 6,230
Foreign	8,349	1,779	(3,733)
Income before income taxes	$ 11,844	$ 13,344	$ 2,497