Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2021

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

Components of Net Periodic Benefit Cost for the Three Months Ended September 30,

	Pension Benefits				Supplemental Insurance/ Retirement Plan
	2021		2020		2021		2020
	(in thousands)
Service cost		$ 379		$344		$ 363		$ 353
Interest		434		450		434		466
Expected return on plan assets		(1,062)		(952)		—		—
Recognized prior service cost (benefit)				—		54		29
Recognized net actuarial losses		241		261		269		211
Net periodic benefit (credit) cost		$ (8)		$103		$1,120		$1,059

	Pension Benefits				Supplemental Insurance/ Retirement Plan
	2021		2020		2021		2020
	(in thousands)
Service cost		$1,137		$1,032		$1,089		$1,059
Interest		1,302		1,350		1,302		1,398
Expected return on plan assets		(3,186)		(2,856)		—		—
Recognized prior service cost (benefit)		—		—		162		87
Recognized net actuarial losses		723		783		807		633
Net periodic benefit (credit) cost		$ (24)		$ 309		$3,360		$3,177