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Note 4 - Loans and Allowance for Credit Losses - Schedule of Nonaccrual Loans by Class (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance | $ 40,217 | $ 45,764
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 59,644 | 54,433
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing | 0 | 8,453
Commercial Borrower [Member] |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance | 29,557 | 35,774
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 48,616 | 41,757
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing | 0 | 8,400
Commercial Borrower [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance | 0 | 2,952
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 12,190 | 3,218
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing | 0 | 8,400
Commercial Borrower [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance | 28,317 | 31,561
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 35,186 | 37,278
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 | 24,576 | 24,638
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 31,315 | 30,044
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 | 761 | 0
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 761 | 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 | 1,693 | 5,217
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 1,693 | 5,217
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 | 1,287 | 1,706
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 1,417 | 2,017
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 | 1,240 | 1,261
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 1,240 | 1,261
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 | 702 | 609
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 702 | 609
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 | 538 | 652
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 538 | 652
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 | 10,660 | 9,990
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 10,971 | 12,338
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing | 0 | 53
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Real Estate, First Lien [Member] |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance | 2,575 | 2,614
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 2,687 | 2,988
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing | 0 | 53
Consumer Borrower [Member] | Residential Portfolio Segment [Member] | Construction Loans [Member] |  |
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance | 4,680 | 4,680
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 4,680 | 4,680
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 | 1,100 | 0
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 1,213 | 1,460
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 | 2,305 | 2,696
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 2,391 | 3,210
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 | 10,660 | 9,990
Financing Receivable, Excluding Accrued Interest, Nonaccrual | 11,028 | 12,676
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing | 0 | 53
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 | 57 | 338
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing | $ 0 | $ 0

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