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Note 12 - Regulatory Matters - Actual Capital Levels and Minimum Levels (Details) $ in Thousands | Sep. 30, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | ---
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 | $ 692,252 | $ 634,729
Total capital, ratio | 0.141 | 0.14
Total capital minimum required for capital adequacy, amount | $ 392,930 | $ 362,675
Total capital minimum required for capital adequacy, ratio | 0.08 | 0.08
Tier 1 capital, amount | $ 554,634 | $ 503,855
Tier 1 capital, ratio | 0.113 | 0.111
Tier 1 capital minimum required for capital adequacy, amount | $ 294,697 | $ 272,007
Tier 1 capital minimum required for capital adequacy, ratio | 0.06 | 0.06
Common equity tier 1, amount | $ 507,235 | $ 456,970
Common equity tier 1, ratio | 0.103 | 0.101
Common equity tier 1 minimum required for capital adequacy, amount | $ 221,023 | $ 204,005
Common equity tier 1 capital minimum required for capital adequacy, ratio | 0.045 | 0.045
Tier 1 capital to average assets, amount | $ 554,634 | $ 503,855
Tier 1 capital to average assets, ratio | 0.106 | 0.101
Tier 1 capital to average assets, minimum required for capital adequacy, amount | $ 208,523 | $ 199,647
Tier 1 capital to average assets minimum required for capital adequacy, ratio | 0.04 | 0.04
Bank [Member] |  |
Total capital, amount | $ 675,953 | $ 618,709
Total capital, ratio | 0.138 | 0.137
Total capital minimum required for capital adequacy, amount | $ 392,745 | $ 362,490
Total capital minimum required for capital adequacy, ratio | 0.08 | 0.08
Total capital to be well capitalized, amount | $ 490,931 | $ 453,112
Total capital to be well capitalized, ratio | 0.10 | 0.10
Tier 1 capital, amount | $ 627,220 | $ 576,463
Tier 1 capital, ratio | 0.128 | 0.127
Tier 1 capital minimum required for capital adequacy, amount | $ 294,559 | $ 271,868
Tier 1 capital minimum required for capital adequacy, ratio | 0.06 | 0.06
Tier 1 capital to be well capitalized, amount | $ 392,745 | $ 362,490
Tier 1 capital to be well capitalized, ratio | 0.08 | 0.08
Common equity tier 1, amount | $ 627,220 | $ 576,463
Common equity tier 1, ratio | 0.128 | 0.127
Common equity tier 1 minimum required for capital adequacy, amount | $ 220,919 | $ 203,901
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 | $ 319,105 | $ 294,523
Common equity tier 1 capital to be well capitalized, ratio | 0.065 | 0.065
Tier 1 capital to average assets, amount | $ 627,220 | $ 576,463
Tier 1 capital to average assets, ratio | 0.12 | 0.116
Tier 1 capital to average assets, minimum required for capital adequacy, amount | $ 208,432 | $ 199,563
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 | $ 260,540 | $ 249,453
Tier 1 capital to average assets to be well capitalized, ratio | 0.05 | 0.05

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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//1943274/2147480696/942-505-50-1 + Details
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