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Note 14 - Regulatory Matters - Actual Capital Amounts and Ratios (Details) $ in Thousands | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
--- | --- | ---
Capital | $ 216,793 | $ 215,799
Capital to risk weighted assets | 0.142 | 0.141
Capital required for capital adequacy | $ 159,936 | $ 160,370
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Tier one risk based capital | $ 199,391 | $ 199,069
Tier one risk based capital to risk weighted assets | 0.131 | 0.130
Tier one risk based capital required for capital adequacy | $ 129,472 | $ 129,823
Tier one risk based capital required for capital adequacy to risk weighted assets | 8.50% | 8.50%
Tier one leverage capital | $ 199,391 | $ 199,069
Tier one leverage capital to average assets | 0.091 | 0.091
Tier one leverage capital required for capital adequacy | $ 87,463 | $ 87,392
Tier one leverage capital required for capital adequacy to risk weighted assets | 0.0400 | 0.0400
Common equity tier one capital | $ 199,391 | $ 199,069
Common equity tier one risk based capital to risk weighted assets | 0.131 | 0.130
Common equity tier one capital required for capital adequacy | $ 106,624 | $ 106,913
Common equity tier one risk based capital required for capital adequacy to risk weighted assets | 7.00% | 7.00%
Boone Bank and Trust [Member] |  |
Capital | $ 16,084 | $ 15,962
Capital to risk weighted assets | 0.136 | 0.129
Capital required for capital adequacy | $ 12,447 | $ 12,984
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 11,854 | $ 12,366
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 15,224 | $ 14,990
Tier one risk based capital to risk weighted assets | 0.128 | 0.121
Tier one risk based capital required for capital adequacy | $ 10,076 | $ 10,511
Tier one risk based capital required for capital adequacy to risk weighted assets | 8.50% | 8.50%
Tier one risk based capital required to be well capitalized | $ 9,483 | $ 9,893
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 15,224 | $ 14,990
Tier one leverage capital to average assets | 0.093 | 0.087
Tier one leverage capital required for capital adequacy | $ 6,556 | $ 6,868
Tier one leverage capital required for capital adequacy to risk weighted assets | 0.0400 | 0.0400
Tier one leverage capital required to be well capitalized | $ 8,195 | $ 8,585
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 15,224 | $ 14,990
Common equity tier one risk based capital to risk weighted assets | 0.128 | 0.121
Common equity tier one capital required for capital adequacy | $ 8,298 | $ 8,656
Common equity tier one risk based capital required for capital adequacy to risk weighted assets | 7.00% | 7.00%
Common equity tier one capital required to be well capitalized | $ 7,705 | $ 8,038
Common equity tier one capital required to be well capitalized to risk weighted assets | 6.50% | 6.50%
First National Bank [Member] | Also Conducts Business Out of 3 Full Service Offices in Des Moines Metro Area [Member] |  |
Capital | $ 111,512 | $ 110,887
Capital to risk weighted assets | 0.140 | 0.142
Capital required for capital adequacy | $ 83,696 | $ 82,089
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 79,710 | $ 78,180
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 102,228 | $ 101,976
Tier one risk based capital to risk weighted assets | 0.128 | 0.130
Tier one risk based capital required for capital adequacy | $ 67,754 | $ 66,453
Tier one risk based capital required for capital adequacy to risk weighted assets | 8.50% | 8.50%
Tier one risk based capital required to be well capitalized | $ 63,768 | $ 62,544
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 102,228 | $ 101,976
Tier one leverage capital to average assets | 0.089 | 0.089
Tier one leverage capital required for capital adequacy | $ 45,860 | $ 45,582
Tier one leverage capital required for capital adequacy to risk weighted assets | 0.0400 | 0.0400
Tier one leverage capital required to be well capitalized | $ 57,325 | $ 56,978
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 102,228 | $ 101,976
Common equity tier one risk based capital to risk weighted assets | 0.128 | 0.130
Common equity tier one capital required for capital adequacy | $ 55,797 | $ 54,726
Common equity tier one risk based capital required for capital adequacy to risk weighted assets | 7.00% | 7.00%
Common equity tier one capital required to be well capitalized | $ 51,812 | $ 50,817
Common equity tier one capital required to be well capitalized to risk weighted assets | 6.50% | 6.50%
Iowa State Savings Bank [Member] |  |
Capital | $ 25,922 | $ 25,398
Capital to risk weighted assets | 0.166 | 0.155
Capital required for capital adequacy | $ 16,379 | $ 17,210
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 15,599 | $ 16,390
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 24,047 | $ 24,113
Tier one risk based capital to risk weighted assets | 0.154 | 0.147
Tier one risk based capital required for capital adequacy | $ 13,259 | $ 13,932
Tier one risk based capital required for capital adequacy to risk weighted assets | 8.50% | 8.50%
Tier one risk based capital required to be well capitalized | $ 12,479 | $ 13,112
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 24,047 | $ 24,113
Tier one leverage capital to average assets | 0.092 | 0.093
Tier one leverage capital required for capital adequacy | $ 10,443 | $ 10,423
Tier one leverage capital required for capital adequacy to risk weighted assets | 0.0400 | 0.0400
Tier one leverage capital required to be well capitalized | $ 13,054 | $ 13,029
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 24,047 | $ 24,113
Common equity tier one risk based capital to risk weighted assets | 0.154 | 0.147
Common equity tier one capital required for capital adequacy | $ 10,919 | $ 11,473
Common equity tier one risk based capital required for capital adequacy to risk weighted assets | 7.00% | 7.00%
Common equity tier one capital required to be well capitalized | $ 10,139 | $ 10,654
Common equity tier one capital required to be well capitalized to risk weighted assets | 6.50% | 6.50%
Reliance State Bank [Member] | Conducts Business Out of Offices at Story City, Garner, and Kleme, Iowa [Member] |  |
Capital | $ 28,417 | $ 28,385
Capital to risk weighted assets | 0.130 | 0.124
Capital required for capital adequacy | $ 22,963 | $ 24,103
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 21,870 | $ 22,955
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 25,815 | $ 25,647
Tier one risk based capital to risk weighted assets | 0.118 | 0.112
Tier one risk based capital required for capital adequacy | $ 18,589 | $ 19,512
Tier one risk based capital required for capital adequacy to risk weighted assets | 8.50% | 8.50%
Tier one risk based capital required to be well capitalized | $ 17,496 | $ 18,364
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 25,815 | $ 25,647
Tier one leverage capital to average assets | 0.086 | 0.085
Tier one leverage capital required for capital adequacy | $ 12,021 | $ 12,001
Tier one leverage capital required for capital adequacy to risk weighted assets | 0.0400 | 0.0400
Tier one leverage capital required to be well capitalized | $ 15,026 | $ 15,001
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 25,815 | $ 25,647
Common equity tier one risk based capital to risk weighted assets | 0.118 | 0.112
Common equity tier one capital required for capital adequacy | $ 15,309 | $ 16,069
Common equity tier one risk based capital required for capital adequacy to risk weighted assets | 7.00% | 7.00%
Common equity tier one capital required to be well capitalized | $ 14,215 | $ 14,921
Common equity tier one capital required to be well capitalized to risk weighted assets | 6.50% | 6.50%
State Bank and Trust [Member] |  |
Capital | $ 22,211 | $ 22,011
Capital to risk weighted assets | 0.151 | 0.147
Capital required for capital adequacy | $ 15,394 | $ 15,716
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 14,661 | $ 14,968
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 20,510 | $ 20,392
Tier one risk based capital to risk weighted assets | 0.140 | 0.136
Tier one risk based capital required for capital adequacy | $ 12,462 | $ 12,723
Tier one risk based capital required for capital adequacy to risk weighted assets | 8.50% | 8.50%
Tier one risk based capital required to be well capitalized | $ 11,729 | $ 11,974
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 20,510 | $ 20,392
Tier one leverage capital to average assets | 0.091 | 0.091
Tier one leverage capital required for capital adequacy | $ 9,014 | $ 8,932
Tier one leverage capital required for capital adequacy to risk weighted assets | 0.0400 | 0.0400
Tier one leverage capital required to be well capitalized | $ 11,268 | $ 11,165
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 20,510 | $ 20,392
Common equity tier one risk based capital to risk weighted assets | 0.140 | 0.136
Common equity tier one capital required for capital adequacy | $ 10,263 | $ 10,477
Common equity tier one risk based capital required for capital adequacy to risk weighted assets | 7.00% | 7.00%
Common equity tier one capital required to be well capitalized | $ 9,530 | $ 9,729
Common equity tier one capital required to be well capitalized to risk weighted assets | 6.50% | 6.50%
United Bank and Trust [Member] |  |
Capital | $ 12,828 | $ 12,633
Capital to risk weighted assets | 0.152 | 0.151
Capital required for capital adequacy | $ 8,860 | $ 8,759
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 8,438 | $ 8,342
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 11,789 | $ 11,677
Tier one risk based capital to risk weighted assets | 0.140 | 0.140
Tier one risk based capital required for capital adequacy | $ 7,172 | $ 7,090
Tier one risk based capital required for capital adequacy to risk weighted assets | 8.50% | 8.50%
Tier one risk based capital required to be well capitalized | $ 6,750 | $ 6,673
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 11,789 | $ 11,677
Tier one leverage capital to average assets | 0.090 | 0.089
Tier one leverage capital required for capital adequacy | $ 5,249 | $ 5,274
Tier one leverage capital required for capital adequacy to risk weighted assets | 0.0400 | 0.0400
Tier one leverage capital required to be well capitalized | $ 6,561 | $ 6,592
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 11,789 | $ 11,677
Common equity tier one risk based capital to risk weighted assets | 0.140 | 0.140
Common equity tier one capital required for capital adequacy | $ 5,906 | $ 5,839
Common equity tier one risk based capital required for capital adequacy to risk weighted assets | 7.00% | 7.00%
Common equity tier one capital required to be well capitalized | $ 5,485 | $ 5,422
Common equity tier one capital required to be well capitalized to risk weighted assets | 6.50% | 6.50%

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