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Note 14 - Regulatory Matters - Actual Capital Amounts and Ratios (Details) $ in Thousands | Sep. 30, 2022 USD ($) | Dec. 31, 2021 USD ($)
--- | --- | ---
Capital | $ 213,649 | $ 208,480
Capital to risk weighted assets | 0.146 | 0.148
Capital required for capital adequacy | $ 153,337 | $ 146,881
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Tier one risk based capital | $ 196,922 | $ 191,161
Tier one risk based capital to risk weighted assets | 0.135 | 0.137
Tier one risk based capital required for capital adequacy | $ 124,130 | $ 118,904
Tier one risk based capital required for capital adequacy to risk weighted assets | 8.50% | 8.50%
Tier one leverage capital | $ 196,922 | $ 191,161
Tier one leverage capital to average assets | 0.091 | 0.090
Tier one leverage capital required for capital adequacy | $ 86,685 | $ 84,585
Tier one leverage capital required for capital adequacy to risk weighted assets | 0.0400 | 0.0400
Common equity tier one capital | $ 196,922 | $ 191,161
Common equity tier one risk based capital to risk weighted assets | 0.135 | 0.137
Common equity tier one capital required for capital adequacy | $ 102,225 | $ 97,921
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 | $ 15,864 | $ 15,603
Capital to risk weighted assets | 0.127 | 0.142
Capital required for capital adequacy | $ 13,148 | $ 11,562
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 12,522 | $ 11,012
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 14,932 | $ 14,652
Tier one risk based capital to risk weighted assets | 0.119 | 0.133
Tier one risk based capital required for capital adequacy | $ 10,644 | $ 9,360
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 | $ 10,018 | $ 8,809
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 14,932 | $ 14,652
Tier one leverage capital to average assets | 0.090 | 0.090
Tier one leverage capital required for capital adequacy | $ 6,654 | $ 6,525
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 | $ 8,318 | $ 8,157
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 14,932 | $ 14,652
Common equity tier one risk based capital to risk weighted assets | 0.119 | 0.133
Common equity tier one capital required for capital adequacy | $ 8,766 | $ 7,708
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 | $ 8,139 | $ 7,158
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 | $ 109,914 | $ 104,608
Capital to risk weighted assets | 0.148 | 0.145
Capital required for capital adequacy | $ 78,045 | $ 75,832
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 74,328 | $ 72,221
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 100,627 | $ 95,573
Tier one risk based capital to risk weighted assets | 0.135 | 0.132
Tier one risk based capital required for capital adequacy | $ 63,179 | $ 61,388
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 | $ 59,463 | $ 57,777
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 100,627 | $ 95,573
Tier one leverage capital to average assets | 0.090 | 0.087
Tier one leverage capital required for capital adequacy | $ 44,824 | $ 44,333
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 | $ 56,030 | $ 55,416
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 100,627 | $ 95,573
Common equity tier one risk based capital to risk weighted assets | 0.135 | 0.132
Common equity tier one capital required for capital adequacy | $ 52,030 | $ 50,555
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 | $ 48,313 | $ 46,944
Common equity tier one capital required to be well capitalized to risk weighted assets | 6.50% | 6.50%
Iowa State Savings Bank [Member] |  |
Capital | $ 24,918 | $ 24,008
Capital to risk weighted assets | 0.156 | 0.159
Capital required for capital adequacy | $ 16,784 | $ 15,895
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 15,985 | $ 15,138
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 23,735 | $ 22,747
Tier one risk based capital to risk weighted assets | 0.148 | 0.150
Tier one risk based capital required for capital adequacy | $ 13,587 | $ 12,868
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 | $ 12,788 | $ 12,111
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 23,735 | $ 22,747
Tier one leverage capital to average assets | 0.091 | 0.091
Tier one leverage capital required for capital adequacy | $ 10,411 | $ 10,102
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 | $ 13,014 | $ 12,628
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 23,735 | $ 22,747
Common equity tier one risk based capital to risk weighted assets | 0.148 | 0.150
Common equity tier one capital required for capital adequacy | $ 11,189 | $ 10,597
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 | $ 10,390 | $ 9,840
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 | $ 28,124 | $ 27,292
Capital to risk weighted assets | 0.135 | 0.136
Capital required for capital adequacy | $ 21,898 | $ 21,136
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 20,855 | $ 20,129
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 25,544 | $ 24,774
Tier one risk based capital to risk weighted assets | 0.122 | 0.123
Tier one risk based capital required for capital adequacy | $ 17,727 | $ 17,110
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 | $ 16,684 | $ 16,103
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 25,544 | $ 24,774
Tier one leverage capital to average assets | 0.087 | 0.088
Tier one leverage capital required for capital adequacy | $ 11,782 | $ 11,396
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 | $ 14,728 | $ 14,245
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 25,544 | $ 24,774
Common equity tier one risk based capital to risk weighted assets | 0.122 | 0.123
Common equity tier one capital required for capital adequacy | $ 14,599 | $ 14,091
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 | $ 13,556 | $ 13,084
Common equity tier one capital required to be well capitalized to risk weighted assets | 6.50% | 6.50%
State Bank and Trust [Member] |  |
Capital | $ 21,793 | $ 20,885
Capital to risk weighted assets | 0.149 | 0.152
Capital required for capital adequacy | $ 15,349 | $ 14,416
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 14,618 | $ 13,730
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 20,181 | $ 19,231
Tier one risk based capital to risk weighted assets | 0.138 | 0.140
Tier one risk based capital required for capital adequacy | $ 12,425 | $ 11,670
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 | $ 11,694 | $ 10,984
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 20,181 | $ 19,231
Tier one leverage capital to average assets | 0.088 | 0.091
Tier one leverage capital required for capital adequacy | $ 9,132 | $ 8,469
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 | $ 11,415 | $ 10,586
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 20,181 | $ 19,231
Common equity tier one risk based capital to risk weighted assets | 0.138 | 0.140
Common equity tier one capital required for capital adequacy | $ 10,233 | $ 9,611
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 | $ 9,502 | $ 8,924
Common equity tier one capital required to be well capitalized to risk weighted assets | 6.50% | 6.50%
United Bank and Trust [Member] |  |
Capital | $ 12,450 | $ 12,001
Capital to risk weighted assets | 0.151 | 0.157
Capital required for capital adequacy | $ 8,663 | $ 8,039
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 8,250 | $ 7,657
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 11,418 | $ 11,042
Tier one risk based capital to risk weighted assets | 0.138 | 0.144
Tier one risk based capital required for capital adequacy | $ 7,013 | $ 6,508
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 | $ 6,600 | $ 6,125
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 11,418 | $ 11,042
Tier one leverage capital to average assets | 0.085 | 0.089
Tier one leverage capital required for capital adequacy | $ 5,370 | $ 4,955
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 | $ 6,713 | $ 6,193
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 11,418 | $ 11,042
Common equity tier one risk based capital to risk weighted assets | 0.138 | 0.144
Common equity tier one capital required for capital adequacy | $ 5,775 | $ 5,360
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 | $ 5,363 | $ 4,977
Common equity tier one capital required to be well capitalized to risk weighted assets | 6.50% | 6.50%

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