Pension and postretirement benefits (Tables)

6 Months Ended

Jun. 30, 2022

Employee benefits

Components of Net Periodic Pension/Postretirement Benefit Cost

		Pension Plans				OPEB Plan
		Quarters ended June 30,				Quarters ended June 30,
(In thousands)		2022		2021		2022		2021
Personnel Cost:
Service cost	$	-	$	-	$	121	$	160
Other operating expenses:
Interest cost		4,800		3,998		983		893
Expected return on plan assets		(8,847)		(9,670)		-		-
Amortization of prior service cost/(credit)		-		-		-		-
Amortization of net loss		3,911		4,720		-		469
Total net periodic pension cost	$	(136)	$	(952)	$	1,104	$	1,522

		Pension Plans				OPEB Plan
		Six months ended June 30,				Six months ended June 30,
(In thousands)		2022		2021		2022		2021
Personnel Cost:
Service cost	$	-	$	-	$	242	$	320
Other operating expenses:
Interest cost		9,600		7,996		1,966		1,785
Expected return on plan assets		(17,694)		(19,341)		-		-
Amortization prior service cost/(credit)		-		-		-		-
Amortization of net loss		7,822		9,440		-		939
Total net periodic pension cost	$	(272)	$	(1,905)	$	2,208	$	3,044

Schedule of expected benefit payments

	For the six months ended		For the year ending
(In thousands)	June 30, 2022		December 31, 2022
Pension Plans	$	114	$	227
OPEB Plan	$	3,305	$	5,971