Accumulated other comprehensive loss (Tables)

9 Months Ended

Sep. 30, 2022

The after-tax changes in the components of accumulated other comprehensive loss were as follows:


	Net Unrealized Gain (Loss) on Derivative Instruments Qualifying as Hedges		Postretirement Liability Adjustment		Net Unrealized Gain (Loss) on Available-for-sale Investments		Total Accumulated Other Comprehensive Loss
	(In thousands)
At December 31, 2021	$	(538)	$	(40,461)	$	(5)	$	(41,004)
Other comprehensive loss before reclassifications	—		—		(320)		(320)
Amounts reclassified from accumulated other comprehensive loss	112		445		32		589
Net current-period other comprehensive income (loss)	112		445		(288)		269
At March 31, 2022	$	(426)	$	(40,016)	$	(293)	$	(40,735)
Other comprehensive loss before reclassifications	—		—		(128)		(128)
Amounts reclassified to accumulated other comprehensive loss from a regulatory asset	—		(3,265)		—		(3,265)
Amounts reclassified from accumulated other comprehensive loss	111		461		25		597
Net current-period other comprehensive income (loss)	111		(2,804)		(103)		(2,796)
At June 30, 2022	$	(315)	$	(42,820)	$	(396)	$	(43,531)
Other comprehensive loss before reclassifications	—		—		(329)		(329)
Amounts reclassified from accumulated other comprehensive loss	111		461		42		614
Net current-period other comprehensive income (loss)	111		461		(287)		285
At September 30, 2022	$	(204)	$	(42,359)	$	(683)	$	(43,246)


	Net Unrealized Gain (Loss) on Derivative Instruments Qualifying as Hedges		Postretirement Liability Adjustment		Net Unrealized Gain (Loss) on Available-for-sale Investments		Total Accumulated Other Comprehensive Loss
	(In thousands)
At December 31, 2020	$	(984)	$	(47,207)	$	113	$	(48,078)
Other comprehensive loss before reclassifications	—		—		(44)		(44)
Amounts reclassified from accumulated other comprehensive loss	111		466		35		612
Net current-period other comprehensive income (loss)	111		466		(9)		568
At March 31, 2021	$	(873)	$	(46,741)	$	104	$	(47,510)
Other comprehensive loss before reclassifications	—		—		(52)		(52)
Amounts reclassified from accumulated other comprehensive loss	112		457		25		594
Net current-period other comprehensive income (loss)	112		457		(27)		542
At June 30, 2021	$	(761)	$	(46,284)	$	77	$	(46,968)
Other comprehensive loss before reclassifications	—		—		(54)		(54)
Amounts reclassified from accumulated other comprehensive loss	111		466		20		597
Net current-period other comprehensive income (loss)	111		466		(34)		543
At September 30, 2021	$	(650)	$	(45,818)	$	43	$	(46,425)

Reclassification out of accumulated other comprehensive loss

The following amounts were reclassified out of accumulated other comprehensive loss into net income. The amounts presented in parenthesis indicate a decrease to net income on the Consolidated Statements of Income. The reclassifications were as follows:


	Three Months Ended				Nine Months Ended				Location on Consolidated Statements of Income
	September 30,				September 30,
	2022		2021		2022		2021
	(In thousands)
Reclassification adjustment for loss on derivative instruments included in net income	$	(148)	$	(147)	$	(443)	$	(443)	Interest expense
	37		36		109		109		Income taxes
	(111)		(111)		(334)		(334)
Amortization of postretirement liability losses included in net periodic benefit credit	(609)		(617)		(1,827)		(1,851)		Other income
	148		151		460		462		Income taxes
	(461)		(466)		(1,367)		(1,389)
Reclassification adjustment on available-for-sale investments included in net income	(54)		(26)		(126)		(101)		Other income
	12		6		27		21		Income taxes
	(42)		(20)		(99)		(80)
Total reclassifications	$	(614)	$	(597)	$	(1,800)	$	(1,803)