XML 201 R39.htm IDEA: XBRL DOCUMENT

Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2021


			Pension,
			Postretirement				Accumulated
			and Other Post-				Other
	Derivative		Employment		Available-for-		Comprehensive
	Instruments		Benefits		Sale Securities		Income (loss)

	(In thousands)
January 1, 2020	$	(2,564)	$	8,273	$	(20)	$	5,689
Unrealized gains (losses)		(3,076)		(38,533)		(66)		(41,675)
Amounts reclassified from accumulated other comprehensive income (loss)		1,749		(1,199)		(265)		285
Balance at December 31, 2020	$	(3,891)	$	(31,459)	$	(351)	$	(35,701)
Unrealized gains (losses)		200		47,159		191		47,550
Amounts reclassified from accumulated other comprehensive income (loss)		1,928		403		(22)		2,309
Balances at December 31, 2021	$	(1,763)	$	16,103	$	(182)	$	14,158


	December 31,		December 31,		Line Item in the Consolidated
Details About AOCI Components	2021		2020		Statements of Operations

Coal hedges	$	—	$	392	Revenues
Interest rate hedges		(1,928)		(2,141)	Interest expense
		—		—	Provision for (benefit from) income taxes
	$	(1,928)	$	(1,749)	Net of tax

Pension, postretirement and other post-employment benefits
Amortization of actuarial gains (losses), net ¹	$	(2,361)	$	191	Non-service related pension and postretirement benefit (costs) credits
Amortization of prior service credits		190		112	Non-service related pension and postretirement benefit (costs) credits
Pension settlement		1,768		896	Non-service related pension and postretirement benefit (costs) credits
		—		—	Provision for (benefit from) income taxes
	$	(403)	$	1,199	Net of tax

Available-for-sale securities ²	$	22	$	265	Interest and investment income
		—		—	Provision for (benefit from) income taxes
	$	22	$	265	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.