Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2021

Employee Benefit Plans

Schedule of Pension Benefit Costs (Credits)

The following table details the components of pension benefit costs (credits):

	Three Months Ended March 31,
	2021		2020
Interest cost(1)	$	1,068	$	1,604
Expected return on plan assets(1)		(1,824)		(2,288)
Pension settlement(1)		—		4
Amortization of prior service costs (credits) (1)		(28)		(28)
Net benefit credit	$	(784)	$	(708)

The following table details the components of other postretirement benefit costs:

	Three Months Ended March 31,
	2021		2020
Service cost	$	85	$	106
Interest cost(1)		528		653
Amortization of other actuarial losses (gains)(1)		—		(530)
Net benefit cost	$	613	$	229

(1) In accordance with the adoption of ASU 2017-07, “Compensation-Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost,” these costs are recorded within Nonoperating expenses in the Condensed Consolidated Statement of Operations on the line item “Non-service related pension and postretirement benefit costs.”