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Note 13 - Shareholders' Equity - Regulatory Capital (Details) $ in Thousands | Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($)
--- | --- | ---
Common Equity Tier 1 Ratio, Actual amount |  | $ 247,747 | $ 199,308
Common Equity Tier 1 Ratio, Actual ratio |  | 0.148 | 0.173
Common Equity Tier 1 Ratio, For capital adequacy purposes amount | [1] | $ 75,265 | $ 51,981
Common Equity Tier 1 Ratio, For capital adequacy purposes ratio | [1] | 4.50% | 4.50%
Common Equity Tier 1 Ratio, To be well-capitalized under prompt corrective provisions amount |  | $ 108,717 | $ 75,084
Common Equity Tier 1 Ratio, To be well-capitalized under prompt corrective provisions ratio |  | 6.50% | 6.50%
Tier 1 Leverage Ratio, Actual amount |  | $ 247,747 | $ 199,308
Tier 1 Leverage Ratio, Actual ratio |  | 0.111 | 0.119
Tier 1 Leverage Ratio, For capital adequacy purposes amount | [1] | $ 89,237 | $ 66,856
Tier 1 Leverage Ratio, For capital adequacy purposes ratio | [1] | 0.04 | 0.04
Tier 1 Leverage Ratio, To be well-capitalized under prompt corrective provisions amount |  | $ 111,547 | $ 83,570
Tier 1 Leverage Ratio, To be well-capitalized under prompt corrective provisions ratio |  | 0.05 | 0.05
Tier 1 Risk-Based Capital Ratio, Actual amount |  | $ 247,747 | $ 199,308
Tier 1 Risk-Based Capital Ratio, Actual ratio |  | 0.148 | 0.173
Tier 1 Risk-Based Capital Ratio, For capital adequacy purposes amount | [1] | $ 100,354 | $ 69,308
Tier 1 Risk-Based Capital Ratio, For capital adequacy purposes ratio | [1] | 0.06 | 0.06
Tier 1 Risk-Based Capital Ratio, To be well-capitalized under prompt corrective provisions amount |  | $ 133,805 | $ 92,411
Tier 1 Risk-Based Capital Ratio, To be well-capitalized under prompt corrective provisions ratio |  | 0.08 | 0.08
Total Risk-Based Capital Ratio, Actual amount |  | $ 268,285 | $ 213,124
Total Risk-Based Capital Ratio, Actual ratio |  | 0.16 | 0.185
Total Risk-Based Capital Ratio, For capital adequacy purposes amount | [1] | $ 133,805 | $ 92,411
Total Risk-Based Capital Ratio, For capital adequacy purposes ratio | [1] | 0.08 | 0.08
Total Risk-Based Capital Ratio, To be well-capitalized under prompt corrective provisions amount |  | $ 167,257 | $ 115,514
Total Risk-Based Capital Ratio, To be well-capitalized under prompt corrective provisions ratio |  | 0.10 | 0.10
[1] | Does not include amounts required under the capital conservation buffer discussed above.

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- Definition The minimum Common Equity Tier One Capital Ratio (Common Equity Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References No definition available. + Details
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- Definition The Common Equity Tier 1 capital ratio (Common Equity Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action. + References No definition available. + Details
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- Definition Amount of total capital as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1 + Details
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