Pension Benefits (Tables)

3 Months Ended

Mar. 31, 2012

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 both the Qualified Pension Plan and the Nonqualified Pension Plan:

	For the Three Months Ended March 31,
	2012			2011
	(in thousands)
Service cost	$	950		$	848
Interest cost	296			280
Expected return on plan assets that reduces periodic pension costs	(220		)	(159		)
Amortization of net actuarial loss	101			91
Net periodic benefit cost	$	1,127		$	1,060