Post-retirement Plan (Tables)

3 Months Ended

Mar. 31, 2020

Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract]

Schedule of Costs of Retirement Plans

Our net periodic pension expense consisted of the following components:

	Three Months Ended March 31,
	2020			2019
	(In thousands)
Service cost - benefit earned during the period	$	1,117		$	1,027
Interest cost on projected benefit obligations	437			598
Expected return on plan assets	(1,021		)	(811		)
Net periodic pension expense	$	533		$	814

Net Periodic Pension Expense

The net periodic benefit credit of our post-retirement healthcare and other benefits plans consisted of the following components

	Three Months Ended March 31,
	2020			2019
	(In thousands)
Service cost – benefit earned during the period	$	451		$	367
Interest cost on projected benefit obligations	237			258
Amortization of prior service credit	(870		)	(870		)
Amortization of (gain) loss	13			(20		)
Net periodic post-retirement credit	$	(169	)	$	(265	)