Note 3 - Components of Pension and Other Post-employment Benefit (OPEB) Plans Net Periodic Benefit Costs: (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

	Pension Benefits												Other Post-Employment Benefits
	Three Months Ended						Nine Months Ended						Three Months Ended						Nine Months Ended
	September 30,						September 30,						September 30,						September 30,
	2022			2021			2022			2021			2022			2021			2022			2021
Service Cost	$	301		$	278		$	905		$	836		$	—		$	—		$	—		$	—
Interest Cost		4,135			3,563			12,404			10,667			1,975			1,819			5,924			5,456
Expected Return on Plan Assets		(9,319	)		(10,542	)		(27,957	)		(31,626	)		—			—			—			—
Amortization of Prior Service Credits		—			—			—			—			(601	)		(602	)		(1,804	)		(1,804	)
Amortization of Actuarial Loss		759			1,368			2,278			4,102			878			1,629			2,636			4,887
Settlement Loss Recognized		—			—			—			22			—			—			—			—
Net Periodic Benefit (Credit) Cost	$	(4,124	)	$	(5,333	)	$	(12,370	)	$	(15,999	)	$	2,252		$	2,846		$	6,756		$	8,539