PENSION PLANS (Tables)

6 Months Ended

Jun. 30, 2014

Pension and Other Postretirement Benefit Expense [Abstract]

Aggregate net pension expense relating to the two plan types

The aggregate net pension expense relating to these two plans are as follows:

	Three Months Ended				Six Months Ended
	June 30, 2014		June 30, 2013		June 30, 2014		June 30, 2013
	(in thousands)
Service costs	$	393	$	451	$	782	$	912
Interest costs	388		357		773		722
Amortization of actuarial loss	19		15		38		31
Net pension period cost	$	800	$	823	$	1,593	$	1,665