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Retirement Plans (Tables)

6 Months Ended

Jun. 30, 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 June 30,								Three Months Ended June 30,
		2023				2022				2023				2022
Components of net periodic benefit cost:
Service cost		$	956			$	1,658			$	—			$	—
Interest cost			4,572				3,640				10				8
Expected return on plan assets			(5,732	)			(7,154	)			—				—
Amortization of actuarial loss			—				132				6				8
Net periodic benefit cost		$	(204	)		$	(1,724	)		$	16			$	16


		Pension Benefits
		Pension Plans								SERP
		Six Months Ended June 30,								Six Months Ended June 30,
		2023				2022				2023				2022
Components of net periodic benefit cost:
Service cost		$	1,848			$	3,269			$	—			$	—
Interest cost			9,178				7,362				21				15
Expected return on plan assets			(11,455	)			(14,296	)			—				—
Amortization of actuarial loss			—				242				12				15
Net periodic benefit cost		$	(429	)		$	(3,423	)		$	33			$	30

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,
		2023				2022				2023				2022
Components of net periodic benefit cost:
Interest cost		$	5			$	4			$	11			$	8
Amortization of actuarial gain			(86	)			(99	)			(172	)			(197	)
Net periodic benefit cost		$	(81	)		$	(95	)		$	(161	)		$	(189	)