Postretirement Benefits Other than Pensions (Tables)

12 Months Ended

Dec. 31, 2020

Defined Benefit Plan Disclosure [Line Items]

Change in Benefit Obligation of the Postretirement Plans to the Accrued Postretirement Liability

The following table reconciles the change in benefit obligation of the postretirement plans to the accrued postretirement liability as reflected in other liabilities in the accompanying consolidated balance sheets at December 31 (amounts in thousands):

	2020		2019
Benefit obligation at beginning of year	$	2,735	$	2,774
Interest cost		69		101
Actuarial loss		144		196
Plan amendment		(763)		—
Benefits paid		(310)		(336)
Benefit obligation at end of year	$	1,875	$	2,735

Postretirement Health Coverage [Member]

Defined Benefit Plan Disclosure [Line Items]

Net Periodic Pension and Postretirement Benefit (Income) Expense

Net postretirement benefit income reflected in other gains and (losses), net in the accompanying statements of operations included the following components for the years ended December 31 (amounts in thousands):

	2020		2019		2018
Interest cost	$	69	$	101	$	96
Amortization of net actuarial loss		245		238		257
Amortization of prior service credit		(1,314)		(1,314)		(1,314)
Total net postretirement benefit income	$	(1,000)	$	(975)	$	(961)

Expected Future Benefit Payments

2021	$	191
2022		178
2023		165
2024		153
2025		141
2026 - 2030		549