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Note 12 - Regulatory Matters - Actual Capital Levels and Minimum Levels (Details) $ in Thousands | Mar. 31, 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 | 0.070 |
Consolidated Entities [Member] |  |
Total capital, amount | $ 652,509 | $ 634,729
Total capital, ratio | 0.141 | 0.140
Total capital minimum required for capital adequacy, amount | $ 369,891 | $ 362,675
Total capital minimum required for capital adequacy, ratio | 0.080 | 0.080
Tier 1 capital, amount | $ 520,918 | $ 503,855
Tier 1 capital, ratio | 0.113 | 0.111
Tier 1 capital minimum required for capital adequacy, amount | $ 277,418 | $ 272,007
Tier 1 capital minimum required for capital adequacy, ratio | 0.060 | 0.060
Common equity tier 1, amount | $ 473,863 | $ 456,970
Common equity tier 1, ratio | 0.103 | 0.101
Common equity tier 1 minimum required for capital adequacy, amount | $ 208,064 | $ 204,005
Common equity tier 1 capital minimum required for capital adequacy, ratio | 0.045 | 0.045
Tier 1 capital to average assets, amount | $ 520,918 | $ 503,855
Tier 1 capital to average assets, ratio | 0.107 | 0.101
Tier 1 capital to average assets, minimum required for capital adequacy, amount | $ 195,380 | $ 199,647
Tier 1 capital to average assets minimum required for capital adequacy, ratio | 0.040 | 0.040
Bank [Member] |  |
Total capital, amount | $ 636,393 | $ 618,709
Total capital, ratio | 0.138 | 0.137
Total capital minimum required for capital adequacy, amount | $ 369,708 | $ 362,490
Total capital minimum required for capital adequacy, ratio | 0.080 | 0.080
Total capital to be well capitalized, amount | $ 462,134 | $ 453,112
Total capital to be well capitalized, ratio | 0.100 | 0.100
Tier 1 capital, amount | $ 593,516 | $ 576,463
Tier 1 capital, ratio | 0.128 | 0.127
Tier 1 capital minimum required for capital adequacy, amount | $ 277,281 | $ 271,868
Tier 1 capital minimum required for capital adequacy, ratio | 0.060 | 0.060
Tier 1 capital to be well capitalized, amount | $ 369,708 | $ 362,490
Tier 1 capital to be well capitalized, ratio | 0.080 | 0.080
Common equity tier 1, amount | $ 593,516 | $ 576,463
Common equity tier 1, ratio | 0.128 | 0.127
Common equity tier 1 minimum required for capital adequacy, amount | $ 207,961 | $ 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 | $ 300,388 | $ 294,523
Common equity tier 1 capital to be well capitalized, ratio | 0.065 | 0.065
Tier 1 capital to average assets, amount | $ 593,516 | $ 576,463
Tier 1 capital to average assets, ratio | 0.122 | 0.116
Tier 1 capital to average assets, minimum required for capital adequacy, amount | $ 195,290 | $ 199,563
Tier 1 capital to average assets minimum required for capital adequacy, ratio | 0.040 | 0.040
Tier 1 capital to average assets to be well capitalized, amount | $ 244,112 | $ 249,453
Tier 1 capital to average assets to be well capitalized, ratio | 0.050 | 0.050

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