Pension Benefits (Tables)

3 Months Ended

Mar. 31, 2015

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

Components of the net periodic benefit cost for both the Qualified and the Nonqualified Pension Plan

The following table presents the components of the net periodic benefit cost for the Pension Plans:

	For the Three Months Ended March 31,
	2015			2014
	(in thousands)
Service cost	$	1,584		$	1,573
Interest cost	548			407
Expected return on plan assets that reduces periodic pension costs	(494		)	(385		)
Amortization of prior service costs	4			4
Amortization of net actuarial loss	172			306
Net periodic benefit cost	$	1,814		$	1,905