Pension Plans (Tables)

9 Months Ended

Sep. 30, 2021

Pension Plan [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Net Periodic Pension and Postretirement Benefit (Income) Expense

Net periodic pension expense reflected in other gains and (losses), net in the accompanying condensed consolidated statements of operations included the following components for the respective periods (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Interest cost	$	534	$	534	$	1,484	$	1,885
Expected return on plan assets		(1,103)		(962)		(3,150)		(3,071)
Amortization of net actuarial loss		217		340		801		903
Net settlement loss		443		1,343		1,009		1,343
Total net periodic pension expense	$	91	$	1,255	$	144	$	1,060