Net Periodic Pension Cost

3 Months Ended

Mar. 31, 2021

Retirement Plans

Net Periodic Pension Cost

15. Net Periodic Pension Cost

The following table details the net periodic pension cost incurred by period (in thousands):

	Three Months Ended
	March 31,
	2021		2020
Interest cost	$	68	$	89
Amortization of net loss		43		35
Expected return on plan assets		(177)		(171)
Net periodic pension cost	$	(66)	$	(47)
Contributed amount	$	—	$	—

Refer to Note 15 to the consolidated financial statements in our Annual Report on Form 10-K for the year ended December 31, 2020 for more discussion of our retirement plans.