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Note 6 - Loans Receivable and Credit Disclosures - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Nonaccrual Loans | $ 19,342 | $ 14,772
Nonaccrual Loans, no allowance | 15,495 | 14,289
Construction Real Estate [Member] |  |
Nonaccrual Loans | 0 | 62
Nonaccrual Loans, no allowance | 0 | 62
Family Residential Real Estate 1-4 [Member] |  |
Nonaccrual Loans | 1,267 | 696
Nonaccrual Loans, no allowance | 478 | 626
Multifamily [Member] |  |
Nonaccrual Loans | 900 | 947
Nonaccrual Loans, no allowance | 900 | 947
Commercial Real Estate Portfolio Segment [Member] |  |
Nonaccrual Loans | 13,538 | 10,768
Nonaccrual Loans, no allowance | 11,071 | 10,768
Agriculture Real Estate [Member] |  |
Nonaccrual Loans | 538 | 420
Nonaccrual Loans, no allowance | 538 | 420
Commercial Portfolio Segment [Member] |  |
Nonaccrual Loans | 1,484 | 1,298
Nonaccrual Loans, no allowance | 898 | 893
Agriculture [Member] |  |
Nonaccrual Loans | 1,610 | 570
Nonaccrual Loans, no allowance | 1,610 | 570
Consumer and Other [Member] |  |
Nonaccrual Loans | 5 | 11
Nonaccrual Loans, no allowance | $ 0 | $ 3

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- Definition Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
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