Pension and Post-Retirement Benefits (Tables)

3 Months Ended

Mar. 31, 2020

Retirement Benefits [Abstract]

Schedule of Net Pension and Post-Retirement Benefit Plans

Net pension benefit cost (in thousands) consisted of the following for the three months ended March 31, 2020 and 2019:

	Three Months Ended   March 31,
	2020			2019
Service cost	$	653		$	586
Interest cost	989			2,584
Expected return on plan assets	(1,421		)	(3,184		)
Net amortization and deferral	894			624
Net pension benefit costs	$	1,115		$	610

Net post-retirement benefit cost (in thousands) consisted of the following for the three months ended March 31, 2020 and 2019:

	Three Months Ended   March 31,
	2020		2019
Service cost	$	25	$	24
Interest cost	129		196
Net post-retirement benefit costs	$	154	$	220