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Note 4 - Loans and Allowance for Credit Losses - Schedule of Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | $ 1,106,100 | $ 1,064,259
Commercial Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 214,185 | 146,178
Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 688,569 | 702,455
Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 86,474 | 93,627
Residential Mortgage [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 98,448 | 100,684
Residential Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 4,292 | 5,837
Consumer Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 14,132 | 15,478
Residential Real Estate [Member] | Real Estate, First Lien [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 156 | 174
Residential Real Estate [Member] | Real Estate, Junior Lien [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 192 | 255
Residential Real Estate [Member] | Real Estate, Revolving Liens [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 278 | 382
Residential Real Estate [Member] | Commercial Portfolio Segment [Member] | Real Estate, First Lien [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Residential Real Estate [Member] | Commercial Portfolio Segment [Member] | Real Estate, Junior Lien [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Residential Real Estate [Member] | Commercial Portfolio Segment [Member] | Real Estate, Revolving Liens [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Residential Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member] | Real Estate, First Lien [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Residential Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member] | Real Estate, Junior Lien [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Residential Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member] | Real Estate, Revolving Liens [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Residential Real Estate [Member] | Agricultural Portfolio Segment [Member] | Real Estate, First Lien [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Residential Real Estate [Member] | Agricultural Portfolio Segment [Member] | Real Estate, Junior Lien [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Residential Real Estate [Member] | Agricultural Portfolio Segment [Member] | Real Estate, Revolving Liens [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Residential Real Estate [Member] | Residential Mortgage [Member] | Real Estate, First Lien [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 156 | 174
Residential Real Estate [Member] | Residential Mortgage [Member] | Real Estate, Junior Lien [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Residential Real Estate [Member] | Residential Mortgage [Member] | Real Estate, Revolving Liens [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Residential Real Estate [Member] | Residential Portfolio Segment [Member] | Real Estate, First Lien [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Residential Real Estate [Member] | Residential Portfolio Segment [Member] | Real Estate, Junior Lien [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Residential Real Estate [Member] | Residential Portfolio Segment [Member] | Real Estate, Revolving Liens [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Residential Real Estate [Member] | Consumer Portfolio Segment [Member] | Real Estate, First Lien [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Residential Real Estate [Member] | Consumer Portfolio Segment [Member] | Real Estate, Junior Lien [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 192 | 255
Residential Real Estate [Member] | Consumer Portfolio Segment [Member] | Real Estate, Revolving Liens [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 278 | 382
Commercial Real Estate [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 289 | 139
Commercial Real Estate [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 289 | 139
Commercial Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Commercial Real Estate [Member] | Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Commercial Real Estate [Member] | Residential Mortgage [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Commercial Real Estate [Member] | Residential Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Commercial Real Estate [Member] | Consumer Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Construction [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Construction [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Construction [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Construction [Member] | Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Construction [Member] | Residential Mortgage [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Construction [Member] | Residential Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Construction [Member] | Consumer Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Farmland [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 476 | 662
Farmland [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Farmland [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Farmland [Member] | Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 476 | 662
Farmland [Member] | Residential Mortgage [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Farmland [Member] | Residential Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Farmland [Member] | Consumer Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Agriculture Production Loans [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 2,282 | 3,761
Agriculture Production Loans [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Agriculture Production Loans [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Agriculture Production Loans [Member] | Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 2,282 | 3,761
Agriculture Production Loans [Member] | Residential Mortgage [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Agriculture Production Loans [Member] | Residential Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Agriculture Production Loans [Member] | Consumer Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Owner-occupied, Non-farm, Non-residential Properties [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 894 | 0
Owner-occupied, Non-farm, Non-residential Properties [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Owner-occupied, Non-farm, Non-residential Properties [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 894 | 0
Owner-occupied, Non-farm, Non-residential Properties [Member] | Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Owner-occupied, Non-farm, Non-residential Properties [Member] | Residential Mortgage [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Owner-occupied, Non-farm, Non-residential Properties [Member] | Residential Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Owner-occupied, Non-farm, Non-residential Properties [Member] | Consumer Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Other Non-farm, Non-Residential Properties [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 657
Other Non-farm, Non-Residential Properties [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Other Non-farm, Non-Residential Properties [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 657
Other Non-farm, Non-Residential Properties [Member] | Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Other Non-farm, Non-Residential Properties [Member] | Residential Mortgage [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Other Non-farm, Non-Residential Properties [Member] | Residential Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Other Non-farm, Non-Residential Properties [Member] | Consumer Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Collateral Pledged [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 4,567 | 6,030
Collateral Pledged [Member] | Commercial Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 289 | 139
Collateral Pledged [Member] | Commercial Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 894 | 657
Collateral Pledged [Member] | Agricultural Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 2,758 | 4,423
Collateral Pledged [Member] | Residential Mortgage [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 156 | 174
Collateral Pledged [Member] | Residential Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | 0 | 0
Collateral Pledged [Member] | Consumer Portfolio Segment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | $ 470 | $ 637

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