INCOME TAXES (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Undistributed earnings of foreign subsidiaries	$ 7,900	$ 4,100	$ 2,700
Valuation allowance	(58,838)	$ (47,992)
Unrecognized tax benefits that would affect effective tax rate	65
Unrecognized tax benefit, domestic	900
Unrecognized tax benefit, state	$ 40