Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

The net periodic benefit (income) cost of the Corporation’s Postretirement Plan as determined by consulting actuaries, consisted of the following components, excluding the impact of the $1.5 million plan amendment gain:

	Three months ended June 30						Six months ended June 30
	2014			2013			2014			2013
	(in thousands)
Service cost (1)	$	—		$	57		$	15		$	114
Interest cost	48			81			109			162
Net accretion and deferral	(84		)	(91		)	(179		)	(182		)
Net periodic benefit (income) cost	$	(36	)	$	47		$	(55	)	$	94

(1) As a result of the plan amendment, additional participant benefits are not accrued under the Postretirement Plan after February 1, 2014. Service costs recorded after the effective date of the amendment represent administrative costs associated with the plan

The net periodic benefit cost for the Corporation’s Pension Plan, as determined by consulting actuaries, consisted of the following components:

	Three months ended June 30						Six months ended June 30
	2014			2013			2014			2013
	(in thousands)
Service cost (1)	$	92		$	51		$	184		$	102
Interest cost	853			772			1,706			1,544
Expected return on plan assets	(810		)	(800		)	(1,621		)	(1,600		)
Net amortization and deferral	244			596			488			1,192
Net periodic benefit cost	$	379		$	619		$	757		$	1,238

(1) The Pension Plan service cost recorded for the three and six months ended June 30, 2014 and 2013, respectively, was related to administrative costs associated with the plan and was not due to the accrual of additional participant benefits.