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Note 4 - Loans and the Allowance for Credit Losses - Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | $ 1,017,846 | $ 1,015,424
Equipment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 11 | 245
Crops [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 4,953 | 535
Commercial 1st Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 3,012 | 739
S F R 1st Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 894 | 53
S F R 2nd Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 568 | 825
SFR 3rd Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 43 | 50
Collateral Pledged [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 11,788 | 2,447
Farmland [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 2,307 |
Commercial Portfolio Segment [Member] | Commercial Loans [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 81,118 | 77,444
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Equipment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 11 | 245
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Crops [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Commercial 1st Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | S F R 1st Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | S F R 2nd Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | SFR 3rd Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Collateral Pledged [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 11 | 245
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Farmland [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 |
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 113,850 | 118,866
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Equipment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Crops [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 4,953 | 535
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Commercial 1st Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 2,242 | 0
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | S F R 1st Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 336 | 0
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | S F R 2nd Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | SFR 3rd Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Collateral Pledged [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 9,838 | 535
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Farmland [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 2,307 |
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 673,129 | 646,378
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Equipment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Crops [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Commercial 1st Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 770 | 739
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | S F R 1st Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 407 | 53
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | S F R 2nd Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 150 | 652
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | SFR 3rd Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 43 | 50
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Collateral Pledged [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 1,370 | 1,494
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Farmland [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 |
Commercial Portfolio Segment [Member] | Construction Loans [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 40,798 | 53,503
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Equipment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process |  | 0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Crops [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process |  | 0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Commercial 1st Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process |  | 0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | S F R 1st Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process |  | 0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | S F R 2nd Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process |  | 0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | SFR 3rd Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process |  | 0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Collateral Pledged [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process |  | 0
Residential Portfolio Segment [Member] | Real Estate Loan [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 11,053 | 11,539
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Equipment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Crops [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Commercial 1st Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | S F R 1st Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 151 | 0
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | S F R 2nd Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | SFR 3rd Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Collateral Pledged [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 151 | 0
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Farmland [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 |
Residential Portfolio Segment [Member] | Equity Lines of Credit [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 41,620 | 37,888
Residential Portfolio Segment [Member] | Equity Lines of Credit [Member] | Equipment [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Residential Portfolio Segment [Member] | Equity Lines of Credit [Member] | Crops [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Residential Portfolio Segment [Member] | Equity Lines of Credit [Member] | Commercial 1st Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Residential Portfolio Segment [Member] | Equity Lines of Credit [Member] | S F R 1st Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process |  |
Residential Portfolio Segment [Member] | Equity Lines of Credit [Member] | S F R 2nd Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 418 | 173
Residential Portfolio Segment [Member] | Equity Lines of Credit [Member] | SFR 3rd Deed [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 0 | 0
Residential Portfolio Segment [Member] | Equity Lines of Credit [Member] | Collateral Pledged [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | 418 | $ 173
Residential Portfolio Segment [Member] | Equity Lines of Credit [Member] | Farmland [Member] |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process | $ 0 |

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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
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