Note 15 - Tax Credit Investments - Schedule of Amortization Expense and Tax Benefit (Details) - Qualified Affordable Housing Projects [Member] - Investment Tax Credit Carryforward [Member] - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Low income housing tax credit, amortization expense	[1]	$ 455	$ 432	$ 1,369	$ 1,296
Low income housing tax credit, tax benefit recognized	[2]	$ (513)	$ (352)	$ (1,538)	$ (1,103)

[1] The amortization expense for low income housing tax credits were included in income tax expense.

[2] All of the tax benefits recognized were included in income tax expense.