INCOME TAXES - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Tax Disclosure [Line Items]
Provision (benefit) for taxes	$ (177)	$ (191)	$ (560)	$ 82
Effective income tax rate	8.50%	27.40%	7.10%	(1.80%)
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount			$ 51