Note 6 - Loans and Allowance for Credit Losses - Schedule of Nonaccrual Loans by Class (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	$ 45,764	$ 991
Financing Receivable, Excluding Accrued Interest, Nonaccrual	54,433	8,596
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	8,453	139
Commercial Borrower [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	35,774	174
Financing Receivable, Excluding Accrued Interest, Nonaccrual	41,757	7,710
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	8,400	139
Commercial Borrower [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	2,952	79
Financing Receivable, Excluding Accrued Interest, Nonaccrual	3,218	6,595
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	8,400	139
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	31,561	95
Financing Receivable, Excluding Accrued Interest, Nonaccrual	37,278	1,115
Financing Receivable, Excluding Accrued Interest, 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, Excluding Accrued Interest, Nonaccrual, No Allowance	24,638	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual	30,044	0
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	0	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual	0	0
Financing Receivable, Excluding Accrued Interest, 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, Excluding Accrued Interest, Nonaccrual, No Allowance	5,217	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual	5,217	0
Financing Receivable, Excluding Accrued Interest, 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, Excluding Accrued Interest, Nonaccrual, No Allowance	1,706	95
Financing Receivable, Excluding Accrued Interest, Nonaccrual	2,017	1,115
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	1,261	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual	1,261	0
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Land [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	609	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual	609	0
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Commercial Borrower [Member] | Agricultural Real Estate Portfolio Segment [Member] | Production Loans [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	652	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual	652	0
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Consumer Borrower [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	9,990	817
Financing Receivable, Excluding Accrued Interest, Nonaccrual	12,338	886
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	53	0
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Real Estate, First Lien [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	2,614	632
Financing Receivable, Excluding Accrued Interest, Nonaccrual	2,988	638
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	53	0
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	4,680	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual	4,680	0
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	0	115
Financing Receivable, Excluding Accrued Interest, Nonaccrual	1,460	178
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Real Estate, Junior Lien [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	2,696	70
Financing Receivable, Excluding Accrued Interest, Nonaccrual	3,210	70
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Consumer Borrower [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	9,990	817
Financing Receivable, Excluding Accrued Interest, Nonaccrual	12,676	886
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	53	0
Consumer Borrower [Member] | Consumer Portfolio Segment [Member] | Consumer, Other [Member]
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	0	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual	338	0
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	$ 0	$ 0