Pension Benefits

3 Months Ended

Mar. 31, 2013

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

Pension Benefits

Note 8 - Pension Benefits

Pension Plans

The Company has a non-contributory pension plan covering substantially all employees who meet age and service requirements (the “Qualified Pension Plan”). The Company also has a supplemental non-contributory pension plan covering certain management employees (the “Nonqualified Pension Plan” and together with the Qualified Pension Plan, the “Pension Plans”).

Components of Net Periodic Benefit Cost for the Pension Plans

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

	For the Three Months Ended March 31,
	2013			2012
	(in thousands)
Service cost	$	1,232		$	950
Interest cost	345			296
Expected return on plan assets that reduces periodic pension costs	(286		)	(220		)
Amortization of prior service costs	4			—
Amortization of net actuarial loss	197			101
Net periodic benefit cost	$	1,492		$	1,127

Prior service costs are amortized on a straight-line basis over the average remaining service period of active participants. Gains and losses in excess of 10 percent of the greater of the benefit obligation and the market-related value of assets are amortized over the average remaining service period of active participants.

Contributions

The Company is required to contribute a total of $373,000 to the Pension Plans for the 2013 plan year.