Note 5 - Loans and Allowance for Credit Losses - Schedule of Nonaccrual Loans by Class (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Financing Receivable, Nonaccrual, No Allowance	$ 18,511	$ 991
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	48,026	8,596
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	139
Commercial Borrower [Member]
Financing Receivable, Nonaccrual, No Allowance	9,858	174
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	35,869	7,710
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	139
Commercial Borrower [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Nonaccrual, No Allowance	2,790	79
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	3,065	6,595
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	139
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Nonaccrual, No Allowance	6,998	95
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	32,734	1,115
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction, Land, and Development [Member]
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	25,005	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member]
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	0	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Non-Owner Occupied [Member]
Financing Receivable, Nonaccrual, No Allowance	5,217	0
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	5,217	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loans [Member]
Financing Receivable, Nonaccrual, No Allowance	1,781	95
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	2,512	1,115
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member]
Financing Receivable, Nonaccrual, No Allowance	70	0
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	70	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Land [Member]
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	0	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Production Loans [Member]
Financing Receivable, Nonaccrual, No Allowance	70	0
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	70	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Consumer Borrower [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Nonaccrual, No Allowance	8,653	817
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	11,867	886
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Real Estate, First Lien [Member]
Financing Receivable, Nonaccrual, No Allowance	1,941	632
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	1,948	638
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Nonaccrual, No Allowance	4,680	0
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	4,680	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member]
Financing Receivable, Nonaccrual, No Allowance	138	115
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	1,488	178
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Real Estate, Junior Lien [Member]
Financing Receivable, Nonaccrual, No Allowance	1,894	70
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	3,751	70
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Consumer Borrower [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Nonaccrual, No Allowance	8,653	817
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	12,157	886
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Consumer Borrower [Member] | Consumer Portfolio Segment [Member] | Consumer, Other [Member]
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, before Allowance for Credit Loss, Nonaccrual	290	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	$ 0	$ 0