EMPLOYEE BENEFIT PLANS (Tables)

3 Months Ended

Mar. 31, 2013

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Schedule of net periodic benefit cost

The components of net periodic benefit cost related to the Company’s defined benefit plans consisted of the following:

	Three Months Ended March 31,
Pension Benefits	2013			2012
Components of net period benefit cost:
Service cost	$	3,699		$	2,170
Interest cost	248			35
Expected return on plan assets	(138		)	(10		)
Amortization of prior service costs	3			3
Amortization of loss	105			14
Net periodic benefit cost	$	3,917		$	2,212

	Three Months Ended March 31,
Post Retirement Medical Plan	2013		2012
Components of net period benefit cost:
Service cost	$	181	$	135
Interest cost	84		95
Net periodic benefit cost	$	265	$	230