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Note 4 - Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Other Comprehensive Income (Loss) by Component, Net of Tax (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Balance	$ 216,052	$ 206,788	$ 210,562	$ 205,681
Other comprehensive income?ª?	4,062	2,991	1,198	(387)
Balance	224,120	210,705	224,120	210,705
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance	(22,937)	(19,468)	(20,073)	(16,090)
Other comprehensive income?ª?	4,062	2,991	1,198	(387)	[1]
Balance	$ (18,875)	$ (16,477)	$ (18,875)	$ (16,477)
[1] All amounts are net of tax.

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