EMPLOYEE BENEFIT PLAN (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 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)	$ 1,156		$ 1,111
Components of net periodic benefit cost [Abstract]
Service cost	27	$ 28
Interest cost	18	24
Amortization of prior service credit	(9)	(9)
Amortization of loss	0	3
Net periodic benefit cost	36	$ 46
Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Historical cash payments for retirement medical plan claims per year	$ 100