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Note 6 - Loans and Allowance for Credit Losses - Schedule of Modified Financing Receivables (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Financing Receivable, Excluding Accrued Interest, Modified, Interest Rate Reduction |  | $ 0
Commercial Real Estate Portfolio Segment [Member] | Construction, Land, and Development [Member] |  |
Financing Receivable, Excluding Accrued Interest, Modified in Period, to Total Financing Receivables, Percentage | 9.70% |
Commercial Real Estate Portfolio Segment [Member] | Construction, Land, and Development [Member] | Contractual Interest Rate Reduction [Member] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Interest Rate Reduction | $ 24,638 |
Financing Receivable, Excluding Accrued Interest, Modified, Weighted Average Interest Rate Decrease from Modification | 2.40% |
Commercial Real Estate Portfolio Segment [Member] | Construction, Land, and Development [Member] | Principal Forgiveness [Member] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Increase (Decrease) from Modification | $ 0 |
Commercial Real Estate Portfolio Segment [Member] | Construction, Land, and Development [Member] | Extended Maturity [Member] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Weighted Average Interest Rate Decrease from Modification (Year) | 1 year 4 months 24 days |
Commercial Real Estate Portfolio Segment [Member] | Construction, Land, and Development [Member] | Extended Maturity and Interest Rate Reduction [Member] |  |
Financing Receivable, Excluding Accrued Interest, Modified, Interest Rate Reduction | $ 3,840 |

X
- Definition Percentage of decrease in weighted average contractual interest rate of financing receivable modified (excluding accrued interest) for debtor experiencing financial difficulty. + References No definition available. + Details
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- Definition Period of increase in weighted average maturity of financing receivable modified (excluding accrued interest) for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days + References No definition available. + Details
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- Definition Amount of increase (decrease) in amortized cost excluding accrued interest, of financing receivable modified 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)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + 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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