Retirement Plans And Postretirement Benefits

9 Months Ended

Sep. 30, 2020

Retirement Benefits [Abstract]

Retirement Plans And Postretirement Benefits

Retirement Plans and Postretirement Benefits

The components of our consolidated net pension costs are set forth in the following table:

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2020		2019		2020		2019
	(Dollars in thousands)
Service cost	$	623	$	574	$	1,863	$	1,724
Interest cost	1,033		1,316		3,098		3,948
Expected return on plan assets	(1,283)		(1,339)		(3,849)		(4,015)
Net cost	$	373	$	551	$	1,112	$	1,657

The components of our consolidated net postretirement costs are set forth in the following table: 

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2020		2019		2020		2019
	(Dollars in thousands)
Interest cost	$	180	$	236	545		717
Net cost	$	180	$	236	$	545	$	717