Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2024

Defined Benefit Plan Disclosure [Line Items]

Net Periodic Benefit Cost

The components of net periodic benefit cost for the Company’s defined benefit plans were as follows (in thousands):

	Pension Benefits
	Pension Plans						SERP
	Three Months Ended June 30,						Three Months Ended June 30,
	2024			2023			2024		2023
Components of net periodic benefit cost:
Service cost	$	823		$	956		$	—	$	—
Interest cost		4,267			4,572			9		10
Expected return on plan assets		(6,224	)		(5,732	)		—		—
Amortization of actuarial (gain) loss		(692	)		—			8		6
Net periodic benefit cost	$	(1,826	)	$	(204	)	$	17	$	16

	Pension Benefits
	Pension Plans						SERP
	Six Months Ended June 30,						Six Months Ended June 30,
	2024			2023			2024		2023
Components of net periodic benefit cost:
Service cost	$	1,697		$	1,848		$	—	$	—
Interest cost		8,590			9,178			19		21
Expected return on plan assets		(12,442	)		(11,455	)		—		—
Amortization of actuarial (gain) loss		(1,165	)		—			16		12
Net periodic benefit cost	$	(3,320	)	$	(429	)	$	35	$	33

Other Postretirement Benefits [Member]

Defined Benefit Plan Disclosure [Line Items]

Net Periodic Benefit Cost

The components of net periodic benefit cost for the Company’s postretirement benefit plan were as follows (in thousands):

	Other Postretirement Benefits
	Postretirement Welfare Plan
	Three Months Ended June 30,						Six Months Ended June 30,
	2024			2023			2024			2023
Components of net periodic benefit cost:
Interest cost	$	5		$	5		$	10		$	11
Amortization of actuarial gain		(70	)		(86	)		(140	)		(172	)
Net periodic benefit cost	$	(65	)	$	(81	)	$	(130	)	$	(161	)