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Note 11 - 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, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Service cost	$ 0	$ 88	$ 0	$ 264
Interest cost	83	78	249	236
Amortization of prior service cost	0	31	0	92
Amortization of losses	34	65	101	197
Net periodic cost	$ 117	$ 262	$ 350	$ 789

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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Amount of cost recognized for passage of time related to defined benefit plan.

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