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Note 8 - Employee Benefit Plans - Defined Benefit Pension Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Interest cost	$ 371	$ 358
Expected return on plan assets	(818)	(675)
Net amortization loss	27	551
Recognition of net loss due to settlements	0	115
Net periodic benefit (credit) cost	$ (420)	$ 349

X

- Definition

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

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Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.

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