Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2023

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

The components of net periodic expense were as follows (in thousands):

	Defined Benefit Pension Plan						Supplemental Non-qualified Defined Benefit Plans					Non-pension Defined Benefit Postretirement Healthcare Plan
Three Months Ended March 31,	2023			2022			2023		2022			2023			2022
Service cost	$	614		$	982		$	914	$	(392	)	$	381		$	492
Interest cost		4,381			2,705			369		208			594			321
Expected return on plan assets		(4,672	)		(4,631	)		-		-			(56	)		(31	)
Net amortization of prior service costs		(17	)		(17	)		-		-			10			(72	)
Recognized net actuarial loss (gain)		498			1,523			8		69			(3	)		16
Net periodic expense (benefit)	$	804		$	562		$	1,291	$	(115	)	$	926		$	726

Schedule of Employer Contribution to Employee Benefit Plans

Contributions made in the first three months of 2023 and anticipated contributions for 2023 and 2024 are as follows (in thousands):

	Contributions Made		Additional Contributions		Contributions
	Three Months Ended March 31, 2023		Anticipated for 2023		Anticipated for 2024
Defined Benefit Pension Plan	$	-	$	-	$	-
Non-pension Defined Benefit Postretirement Healthcare Plan	$	1,230	$	3,690	$	4,556
Supplemental Non-qualified Defined Benefit and Defined Contribution Plans	$	558	$	1,673	$	2,410