Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2020

Retirement Benefits [Abstract]

Schedule of Employee Benefit Plans

The components of net period benefit cost for the three and nine months ended September 30, 2020 and 2019, respectively, are as follows:

	Three Months Ended September 30, 2020
	Retirement Income Plan		National Service-Related Pension Plan		Other Post-Retirement Benefits		Superannuation		Total
Components of net periodic benefit cost:	(In thousands)
Service cost	$	—	$	—	$	—	$	18	$	18
Interest cost	315		279		4		8		606
Expected return on plan assets	(500)		(366)		—		(20)		(886)
Amortization of net loss	255		152		—		—		407
Amortization of prior service cost	—		—		—		7		7
Net pension benefit cost	$	70	$	65	$	4	$	13	$	152

	Three Months Ended September 30, 2019
	Retirement Income Plan		National Service-Related Pension Plan		Other Post-Retirement Benefits		Superannuation		Total
Components of net periodic benefit cost:	(In thousands)
Service cost	$	—	$	—	$	—	$	17	$	17
Interest cost	397		312		5		12		726
Expected return on plan assets	(440)		(294)		—		(17)		(751)
Amortization of net loss	377		141		(1)		—		517
Amortization of prior service cost	—		—		—		8		8
Net pension benefit cost	$	334	$	159	$	4	$	20	$	517

	Nine Months Ended September 30, 2020
	Retirement Income Plan		National Service-Related Pension Plan		Other Post-Retirement Benefits		Superannuation		Total
Components of net periodic benefit cost:	(In thousands)
Service cost	$	—	$	—	$	—	$	46	$	46
Interest cost	946		838		11		20		1,815
Expected return on plan assets	(1,501)		(1,099)		—		(51)		(2,651)
Amortization of net loss	763		455		—		—		1,218
Amortization of prior service cost	—		—		—		22		22
Net pension benefit cost	$	208	$	194	$	11	$	37	$	450

	Nine Months Ended September 30, 2019
	Retirement Income Plan		National Service-Related Pension Plan		Other Post-Retirement Benefits		Superannuation		Total
Components of net periodic benefit cost:	(In thousands)
Service cost	$	—	$	—	$	—	$	52	$	52
Interest cost	1,192		934		17		37		2,180
Expected return on plan assets	(1,320)		(882)		—		(55)		(2,257)
Amortization of net loss	1,132		422		(3)		—		1,551
Amortization of prior service cost	—		—		—		25		25
Net pension benefit cost	$	1,004	$	474	$	14	$	59	$	1,551