Accumulated other comprehensive income (loss) (Tables)

12 Months Ended

Dec. 31, 2020

The after-tax changes in the components of accumulated other comprehensive loss at December 31, 2020, 2019 and 2018, were as follows:


	Net Unrealized Loss on Derivative Instruments Qualifying as Hedges		Post- retirement Liability Adjustment		Net Unrealized Gain (Loss) on Available- for-sale Investments		Total Accumulated Other Comprehensive Loss
	(In thousands)
At December 31, 2018	$	(2,161)	$	(36,069)	$	(112)	$	(38,342)
Other comprehensive income (loss) before reclassifications	—		(6,151)		134		(6,017)
Amounts reclassified from accumulated other comprehensive loss	731		1,486		40		2,257
Net current-period other comprehensive income (loss)	731		(4,665)		174		(3,760)
At December 31, 2019	(1,430)		(40,734)		62		(42,102)
Other comprehensive loss before reclassifications	—		(8,395)		(1)		(8,396)
Amounts reclassified from accumulated other comprehensive loss	446		1,922		52		2,420
Net current-period other comprehensive income (loss)	446		(6,473)		51		(5,976)
At December 31, 2020	$	(984)	$	(47,207)	$	113	$	(48,078)

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 for the years ended December 31 were as follows:


	2020		2019		Location on Consolidated Statements of Income
	(In thousands)
Reclassification adjustment for loss on derivative instruments included in net income	$	(591)	$	(591)	Interest expense
	145		(140)		Income taxes
	(446)		(731)
Amortization of postretirement liability losses included in net periodic benefit cost	(2,552)		(1,962)		Other income
	630		476		Income taxes
	(1,922)		(1,486)
Reclassification adjustment for loss on available-for-sale investments included in net income	(66)		(50)		Other income
	14		10		Income taxes
	(52)		(40)
Total reclassifications	$	(2,420)	$	(2,257)