EMPLOYEE BENEFIT PLAN (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Components of net periodic benefit cost [Abstract]
Service cost	$ 14	$ 13
Interest cost	12	10
Amortization of prior service credit	(5)	(5)
Amortization of loss/(gain)	2	(1)
Net periodic benefit cost	23	17
Amount recognized in consolidated balance sheet for benefit obligations (included in other long-term obligations)	$ 1,179		$ 1,152
Historical cash payments for retirement medical plan claims per year	less than $100