Employee Benefit Plan (Tables)

3 Months Ended

Mar. 31, 2021

Retirement Benefits [Abstract]

Schedule of net periodic benefit cost and other comprehensive income

Components of Net Periodic Benefit Cost

	Pension Benefits Three Months Ended				Life and Health Three Months Ended				SERP Benefits Three Months Ended
(In thousands)	3/31/2021		3/31/2020		3/31/2021		3/31/2020		3/31/2021		3/31/2020
Service cost	$	0	$	0	$	52	$	41	$	60	$	46
Interest cost	487		641		54		64		199		240
Expected return on plan assets	(1,415)		(1,355)		0		0		0		0
Amortization of net retirement plan actuarial loss	383		350		74		26		307		225
Amortization of net retirement plan prior service (credit) cost	0		(3)		(15)		(15)		71		71
Net periodic benefit (income) cost	$	(545)	$	(367)	$	165	$	116	$	637	$	582