Note 12 - Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Mar. 31, 2025

Notes Tables

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Three Months Ended March 31,
				Changes in
	Unrealized			Pension Plan
	Losses on			Assets and
	Available-for-			Benefit
	Sale Debt Securities			Obligations			Total
2025
Balance at beginning of period	$	(19,190	)		1			(19,189	)
Other comprehensive income, net of taxes		3,662			—			3,662
Reclassifications		—			—			—
Balance at end of period	$	(15,528	)		1			(15,527	)
2024
Balance at beginning of period	$	(22,281	)		(55	)		(22,336	)
Other comprehensive loss, net of taxes		(1,287	)		—			(1,287	)
Reclassifications		169			—			169
Balance at end of period	$	(23,399	)		(55	)		(23,454	)

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

	Three Months Ended					Affected Line Item in the
	March 31,					Consolidated Condensed
	2025		2024			Statements of Income
Realized losses from sales of debt securities, available-for-sale	$	—		(214	)	Net losses from sales of debt securities, available-for-sale
Income tax benefit		—		(45	)	Provision for income taxes
Reclassification adjustment, net of taxes	$	—		(169	)