Employee Pension Plans (Tables)

6 Months Ended

Jun. 30, 2021

Retirement Benefits [Abstract]

Summary of Net Periodic Benefit Cost

The following table sets forth a summary of the net periodic benefit cost for the three and six months ended June 30, 2021 and 2020:

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2021		2020		2021		2020
Interest cost	$	582	$	758	$	1,164	$	1,516
Service cost	237		231		473		462
Expected return on plan assets	(1,015)		(1,006)		(2,030)		(2,012)
Recognized net actuarial losses	683		592		1,366		1,184
Net periodic benefit cost	$	487	$	575	$	973	$	1,150