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Note 3 - Loans Receivable - Schedule of Financing Receivable Restructuring (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2026 | Mar. 31, 2025
Modified, Amortized cost | $ 156 | $ 506
Modified, Number | 1 | 4
Payment Deferral and Extended Maturity [Member] |  |
Modified, Amortized cost | $ 156 | $ 297
Total Financing Receivables, Percentage |  |
Extended Maturity and Interest Rate Reduction [Member] |  |
Modified, Amortized cost | $ 0 | $ 209
Total Financing Receivables, Percentage |  |
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] |  |
Modified, Amortized cost | $ 156 | $ 252
Modified, Number | 1 | 2
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Payment Deferral and Extended Maturity [Member] |  |
Modified, Amortized cost | $ 156 | $ 252
Total Financing Receivables, Percentage | 0.13% | 0.19%
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Extended Maturity and Interest Rate Reduction [Member] |  |
Modified, Amortized cost | $ 0 | $ 0
Total Financing Receivables, Percentage | 0.00% | 0.00%
Commercial Portfolio Segment [Member] | Commercial Real Estate Loan [Member] |  |
Modified, Amortized cost |  | $ 209
Modified, Number |  | 1
Commercial Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Payment Deferral and Extended Maturity [Member] |  |
Modified, Amortized cost |  | $ 0
Total Financing Receivables, Percentage |  | 0.00%
Commercial Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Extended Maturity and Interest Rate Reduction [Member] |  |
Modified, Amortized cost |  | $ 209
Total Financing Receivables, Percentage |  | 0.03%
Home Equity Portfolio Segment [Member] |  |
Modified, Amortized cost |  | $ 45
Modified, Number |  | 1
Home Equity Portfolio Segment [Member] | Payment Deferral and Extended Maturity [Member] |  |
Modified, Amortized cost |  | $ 45
Total Financing Receivables, Percentage |  | 0.04%
Home Equity Portfolio Segment [Member] | Extended Maturity and Interest Rate Reduction [Member] |  |
Modified, Amortized cost |  | $ 0
Total Financing Receivables, Percentage |  | 0.00%

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- Definition The number of financing receivable, excluding accrued interest, of modified during period for debtor experiencing financial difficulty. + References No definition available. + Details
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- Definition Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
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- Definition Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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- Details
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