INCOME TAXES - Details of Pre-Tax Book Income or Loss (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Domestic	$ (4,602)	$ (17,970)
Foreign	7,761	(1,603)
Income (loss) before benefit from (provision for) income taxes	$ 3,159	$ (19,573)