Note 12 - Other Income (Expense), Net (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Other Nonoperating Income (Expense) [Table Text Block]

	Three Months Ended September 30,						Nine Months Ended September 30,
	2023			2022			2023			2022
Interest income	$	6,071		$	3,584		$	16,844		$	10,378
Amortization of discount (premium) on available-for-sale securities		1,647			(1,102	)		1,591			(3,682	)
Gain (loss) on deferred compensation plan investments		(1,611	)		(1,330	)		3,411			(8,607	)
Charitable contributions		(3,850	)		(1,700	)		(9,650	)		(4,700	)
Gain on sales of equity investments		-			-			1,424			-
Other		32			553			509			891
Total	$	2,289		$	5		$	14,129		$	(5,720	)