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Note 9 - Employee Benefit Plans - Components of Net Periodic Pension Cost and Assumed Discount Rate (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Interest cost	$ 109	$ 104	$ 323	$ 311
Amortization of prior service cost	0	0	0	0
Amortization of losses	(6)	10	(17)	28
Net periodic cost	$ 103	$ 114	$ 306	$ 339

X

- Definition

Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.

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- Definition

Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan.

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