Pension and Postretirement Benefits Other Than Pension Plans (Tables)

9 Months Ended

Sep. 30, 2019

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,
	2019		2018		2019		2018
Interest cost	$	798	$	808	$	2,554	$	2,422
Expected return on plan assets		(935)		(1,087)		(2,822)		(3,259)
Amortization of net actuarial loss		293		259		866		778
Net settlement loss		1,577		1,004		1,577		1,004
Total net periodic pension expense	$	1,733	$	984	$	2,175	$	945

Postretirement Health Coverage [Member]

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

Net Periodic Pension and Postretirement Benefit (Income) Expense

Net postretirement benefit income 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,
	2019		2018		2019		2018
Interest cost	$	26	$	24	$	76	$	72
Amortization of net actuarial loss		55		64		178		193
Amortization of prior service credit		(329)		(329)		(986)		(986)
Total net postretirement benefit income	$	(248)	$	(241)	$	(732)	$	(721)