Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2022

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 September 30,						Three Months Ended September 30,
	2022			2021			2022		2021
Components of net periodic benefit cost:
Service cost	$	1,634		$	1,991		$	—	$	—
Interest cost		3,694			3,560			7		8
Expected return on plan assets		(7,099	)		(6,566	)		—		—
Amortization of actuarial loss		6			1,412			7		10
Net periodic benefit cost	$	(1,765	)	$	397		$	14	$	18

	Pension Benefits
	Pension Plans						SERP
	Nine Months Ended September 30,						Nine Months Ended September 30,
	2022			2021			2022		2021
Components of net periodic benefit cost:
Service cost	$	4,903		$	5,971		$	—	$	—
Interest cost		11,056			10,679			22		23
Expected return on plan assets		(21,395	)		(19,699	)		—		—
Amortization of actuarial loss		248			3,300			22		30
Net periodic benefit cost	$	(5,188	)	$	251		$	44	$	53

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 September 30,						Nine Months Ended September 30,
	2022			2021			2022			2021
Components of net periodic benefit cost:
Interest cost	$	5		$	5		$	13		$	13
Amortization of actuarial gain		(98	)		(113	)		(295	)		(338	)
Net periodic benefit cost	$	(93	)	$	(108	)	$	(282	)	$	(325	)