COMPONENTS OF QUARTERLY AND YEAR TO DATE NET PERIODIC BENEFIT COSTS (Tables)

3 Months Ended

Mar. 31, 2019

Retirement Benefits [Abstract]

Components of 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,
	2019			2018
Qualified Pension Plan
Service cost, benefits earned during the period	$	—		$	—
Interest cost on projected benefit obligation	379			385
Expected return on plan assets	(554		)	(826		)
Amortization of unrecognized transition obligation	—			—
Amortization of unrecognized prior service cost	—			—
Amortization of unrecognized net loss	49			43
Net periodic pension benefit	$	(126	)	$	(398	)
Supplemental Pension Plan
Service cost, benefits earned during the period	$	—		$	—
Interest cost on projected benefit obligation	13			12
Expected return on plan assets	—			—
Amortization of unrecognized prior service cost	—			—
Amortization of unrecognized net loss	1			2
Net periodic supplemental pension cost	$	14		$	14
Postretirement Plan, Medical and Life
Service cost, benefits earned during the period	$	—		$	—
Interest cost on projected benefit obligation	3			3
Expected return on plan assets	—			—
Amortization of unrecognized prior service cost	(55		)	(55		)
Amortization of unrecognized net loss	23			28
Net periodic postretirement, medical and life benefit	$	(29	)	$	(24	)