INCOME TAXES - Summary of Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Current:
U.S, federal	$ 0	$ 0
State and local	(3)	(3)
Foreign	(114)	(190)
Total current	(117)	(193)
Deferred:
United States federal	0	0
State and local	0	0
Foreign	2,359	(278)
Total deferred	2,359	(278)
Income tax, total	$ 2,242	$ (471)