Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2021

Accumulated Other Comprehensive Income (Loss).

Schedule of Accumulated Other Comprehensive Income (Loss)

			Pension,
			Postretirement				Accumulated
			and Other Post-				Other
	Derivative		Employment		Available-for-		Comprehensive
	Instruments		Benefits		Sale Securities		Income (loss)
	(In thousands)
Balance at December 31, 2020	$	(3,891)	$	(31,459)	$	(351)	$	(35,701)
Unrealized losses		35		6,429		245		6,709
Amounts reclassified from accumulated other comprehensive income (loss)		1,591		269		(25)		1,835
Balances at September 30, 2021	$	(2,265)	$	(24,761)	$	(131)	$	(27,157)

Schedule of Comprehensive Income Reclassifications

	Three Months Ended September 30,				Nine Months Ended September 30,				Line Item in the Condensed Consolidated
Details About AOCI Components	2021		2020		2021		2020		Statements of Operations
	(In thousands)
Coal hedges	$	—	$	98	$	—	$	294	Revenues
Interest rate hedges		(336)		(638)		(1,591)		(1,502)	Interest expense
		—		—		—		—	Provision for (benefit from) income taxes
	$	(336)	$	(540)	$	(1,591)	$	(1,208)	Net of tax
Pension, postretirement and other post-employment benefits
Amortization of actuarial gains (losses), net 1	$	(590)	$	(138)	$	(1,772)	$	328	Non-service related pension and postretirement benefit (costs) credits
Amortization of prior service credits		52		30		139		84	Non-service related pension and postretirement benefit (costs) credits
Pension settlement		376		437		1,364		567	Non-service related pension and postretirement benefit (costs) credits
		—		—		—		—	Provision for (benefit from) income taxes
	$	(162)	$	329	$	(269)	$	979	Net of tax
Available-for-sale securities 2	$	(1)	$	128	$	25	$	140	Interest and investment income
		—		—		—		—	Provision for (benefit from) income taxes
	$	(1)	$	128	$	25	$	140	Net of tax

¹ Production-related benefits and workers’ compensation costs are included in costs to produce coal.

² The gains and losses on sales of available-for-sale-securities are determined on a specific identification basis.