COMPONENTS OF QUARTERLY AND YEAR TO DATE NET PERIODIC BENEFIT COSTS

3 Months Ended

Mar. 31, 2016

Compensation and Retirement Disclosure [Abstract]

COMPONENTS OF QUARTERLY AND YEAR TO DATE NET PERIODIC BENEFIT COSTS

COMPONENTS OF QUARTERLY AND YEAR TO DATE NET PERIODIC BENEFIT COSTS

The components of net periodic expense for the Corporation’s pension and other benefit plans for the periods indicated are as follows (in thousands):

	Three Months Ended   March 31,
	2016			2015
Qualified Pension Plan
Service cost, benefits earned during the period	$	296		$	354
Interest cost on projected benefit obligation	470			457
Expected return on plan assets	(755		)	(823		)
Amortization of unrecognized transition obligation	—			—
Amortization of unrecognized prior service cost	2			2
Amortization of unrecognized net loss	384			368
Net periodic pension cost	$	397		$	358
Supplemental Pension Plan
Service cost, benefits earned during the period	$	11		$	11
Interest cost on projected benefit obligation	13			12
Expected return on plan assets	—			—
Amortization of unrecognized prior service cost	—			—
Amortization of unrecognized net loss	6			13
Net periodic supplemental pension cost	$	30		$	36
Postretirement Plan, Medical and Life
Service cost, benefits earned during the period	$	12		$	12
Interest cost on projected benefit obligation	17			16
Expected return on plan assets	—			—
Amortization of unrecognized prior service cost	(24		)	(24		)
Amortization of unrecognized net loss	6			2
Net periodic postretirement, medical and life cost	$	11		$	6