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Note 13 - Regulatory Matters - Actual Capital Levels and Minimum Levels (Details) $ in Thousands | Sep. 30, 2025 USD ($) | Dec. 31, 2024 USD ($)
--- | --- | ---
Total capital minimum required for capital adequacy, ratio | 0.105 |
Tier 1 capital minimum required for capital adequacy, ratio | 0.085 |
Common equity tier 1 capital minimum required for capital adequacy, ratio | 0.07 |
Consolidated Entities [Member] |  |
Total capital, amount | $ 835,263 | $ 777,857
Total capital, ratio | 0.149 | 0.142
Total capital minimum required for capital adequacy, amount | $ 449,361 | $ 439,031
Total capital minimum required for capital adequacy, ratio | 0.08 | 0.08
Tier 1 capital, amount | $ 685,440 | $ 633,134
Tier 1 capital, ratio | 0.122 | 0.115
Tier 1 capital minimum required for capital adequacy, amount | $ 337,021 | $ 329,274
Tier 1 capital minimum required for capital adequacy, ratio | 0.06 | 0.06
Common equity tier 1, amount | $ 636,670 | $ 584,879
Common equity tier 1, ratio | 0.113 | 0.107
Common equity tier 1 minimum required for capital adequacy, amount | $ 252,766 | $ 246,955
Common equity tier 1 capital minimum required for capital adequacy, ratio | 0.045 | 0.045
Tier 1 capital to average assets, amount | $ 685,440 | $ 633,134
Tier 1 capital to average assets, ratio | 0.109 | 0.106
Tier 1 capital to average assets, minimum required for capital adequacy, amount | $ 251,593 | $ 238,934
Tier 1 capital to average assets minimum required for capital adequacy, ratio | 0.04 | 0.04
Bank [Member] |  |
Total capital, amount | $ 792,540 | $ 759,146
Total capital, ratio | 0.143 | 0.139
Total capital minimum required for capital adequacy, amount | $ 444,974 | $ 435,793
Total capital minimum required for capital adequacy, ratio | 0.08 | 0.08
Total capital to be well capitalized, amount | $ 556,217 | $ 544,741
Total capital to be well capitalized, ratio | 0.10 | 0.10
Tier 1 capital, amount | $ 732,289 | $ 703,737
Tier 1 capital, ratio | 0.132 | 0.129
Tier 1 capital minimum required for capital adequacy, amount | $ 333,620 | $ 326,845
Tier 1 capital minimum required for capital adequacy, ratio | 0.06 | 0.06
Tier 1 capital to be well capitalized, amount | $ 444,827 | $ 435,793
Tier 1 capital to be well capitalized, ratio | 0.08 | 0.08
Common equity tier 1, amount | $ 732,289 | $ 703,737
Common equity tier 1, ratio | 0.132 | 0.129
Common equity tier 1 minimum required for capital adequacy, amount | $ 250,298 | $ 245,134
Common equity tier 1 capital minimum required for capital adequacy, ratio | 0.045 | 0.045
Common equity tier 1 capital to be well capitalized, amount | $ 361,541 | $ 354,082
Common equity tier 1 capital to be well capitalized, ratio | 0.065 | 0.065
Tier 1 capital to average assets, amount | $ 732,289 | $ 703,737
Tier 1 capital to average assets, ratio | 0.118 | 0.119
Tier 1 capital to average assets, minimum required for capital adequacy, amount | $ 249,338 | $ 237,447
Tier 1 capital to average assets minimum required for capital adequacy, ratio | 0.04 | 0.04
Tier 1 capital to average assets to be well capitalized, amount | $ 311,672 | $ 296,808
Tier 1 capital to average assets to be well capitalized, ratio | 0.05 | 0.05

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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 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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