EMPLOYEE BENEFIT PLAN (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Amount recognized in consolidated balance sheet for benefit obligations (included in other long-term obligations)	$ 1,179		$ 1,111
Components of net periodic benefit cost [Abstract]
Service cost	40	$ 43
Interest cost	27	36
Amortization of prior service credit	(14)	(14)
Amortization of loss	0	5
Net periodic benefit cost	53	$ 70
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Historical cash payments for retirement medical plan claims per year	$ 100