INCOME TAXES - COMPONENTS OF INCOME (LOSS) BEFORE TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Domestic	$ 16,375	$ 8,325	$ 2,837
Foreign	129	102	113
Income (loss) before income taxes	$ 16,504	$ 8,427	$ 2,950