Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2023

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 March 31,						Three Months Ended March 31,
	2023			2022			2023		2022
Components of net periodic benefit cost:
Service cost	$	892		$	1,611		$	—	$	—
Interest cost		4,606			3,722			11		7
Expected return on plan assets		(5,723	)		(7,142	)		—		—
Amortization of actuarial loss		—			110			6		7
Net periodic benefit cost	$	(225	)	$	(1,699	)	$	17	$	14

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 March 31,
	2023			2022
Components of net periodic benefit cost:
Interest cost	$	6		$	4
Amortization of actuarial gain		(86	)		(98	)
Net periodic benefit cost	$	(80	)	$	(94	)