Pension Benefits

3 Months Ended

Mar. 31, 2020

Pension Benefits

Pension Benefits

10.  Pension Benefits

We froze our pension plan effective March 31, 2006, pursuant to which most participants no longer earned future pension benefits. Effective February 16, 2009, the remaining participants in the pension plan no longer earned future benefits. The following summarizes our pension costs during the three months ended March 31, 2020 and 2019, respectively:

	Three Months Ended
(Amounts in thousands)	March 31, 2020		March 31, 2019
Service cost	$	325	$	338
Interest cost		1,623		2,002
Expected return on plan assets		(3,279)		(3,330)
Amortization of net actuarial loss		257		191
Total net periodic benefit	$	(1,074)	$	(799)

The components of net periodic pension benefit other than the service cost component were included in "Other net periodic pension benefit" in the condensed consolidated statements of operations.

Weighted-Average Assumptions Used To Determine Net Cost

	Three Months Ended
	March 31, 2020		March 31, 2019
Discount rate	3.00	%	4.05	%
Rate of compensation increase	N/A		N/A
Expected return on plan assets	6.50	%	7.25	%

Employer Contributions

During the three month periods ended March 31, 2020 and 2019, we made pension contributions of $1.5 million.