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Note 13 - Regulatory Matters - Actual Capital Amounts and Ratios (Details) $ in Thousands | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
--- | --- | ---
Capital | $ 211,219 | $ 208,480
Capital to risk weighted assets | 0.149 | 0.148
Capital required for capital adequacy | $ 148,534 | $ 146,881
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Tier one risk based capital | $ 194,024 | $ 191,161
Tier one risk based capital to risk weighted assets | 0.137 | 0.137
Tier one risk based capital required for capital adequacy | $ 120,242 | $ 118,904
Tier one risk based capital required for capital adequacy to risk weighted assets | 8.50% | 8.50%
Tier one leverage capital | $ 194,024 | $ 191,161
Tier one leverage capital to average assets | 0.091 | 0.090
Tier one leverage capital required for capital adequacy | $ 85,639 | $ 84,585
Tier one leverage capital required for capital adequacy to risk weighted assets | 0.0400 | 0.0400
Common equity tier one capital | $ 194,024 | $ 191,161
Common equity tier one risk based capital to risk weighted assets | 0.137 | 0.137
Common equity tier one capital required for capital adequacy | $ 99,022 | $ 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 | $ 15,704 | $ 15,603
Capital to risk weighted assets | 0.135 | 0.142
Capital required for capital adequacy | $ 12,251 | $ 11,562
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 11,668 | $ 11,012
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 14,778 | $ 14,652
Tier one risk based capital to risk weighted assets | 0.127 | 0.133
Tier one risk based capital required for capital adequacy | $ 9,917 | $ 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 | $ 9,334 | $ 8,809
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 14,778 | $ 14,652
Tier one leverage capital to average assets | 0.090 | 0.090
Tier one leverage capital required for capital adequacy | $ 6,538 | $ 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 | $ 8,172 | $ 8,157
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 14,778 | $ 14,652
Common equity tier one risk based capital to risk weighted assets | 0.127 | 0.133
Common equity tier one capital required for capital adequacy | $ 8,167 | $ 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 | $ 7,584 | $ 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 | $ 106,493 | $ 104,608
Capital to risk weighted assets | 0.145 | 0.145
Capital required for capital adequacy | $ 77,007 | $ 75,832
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 73,340 | $ 72,221
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 97,319 | $ 95,573
Tier one risk based capital to risk weighted assets | 0.133 | 0.132
Tier one risk based capital required for capital adequacy | $ 62,339 | $ 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 | $ 58,672 | $ 57,777
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 97,319 | $ 95,573
Tier one leverage capital to average assets | 0.089 | 0.087
Tier one leverage capital required for capital adequacy | $ 43,893 | $ 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 | $ 54,866 | $ 55,416
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 97,319 | $ 95,573
Common equity tier one risk based capital to risk weighted assets | 0.133 | 0.132
Common equity tier one capital required for capital adequacy | $ 51,338 | $ 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 | $ 47,671 | $ 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 | $ 24,309 | $ 24,008
Capital to risk weighted assets | 0.159 | 0.159
Capital required for capital adequacy | $ 16,043 | $ 15,895
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 15,280 | $ 15,138
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 23,048 | $ 22,747
Tier one risk based capital to risk weighted assets | 0.151 | 0.150
Tier one risk based capital required for capital adequacy | $ 12,988 | $ 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 | $ 12,224 | $ 12,111
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 23,048 | $ 22,747
Tier one leverage capital to average assets | 0.090 | 0.091
Tier one leverage capital required for capital adequacy | $ 10,219 | $ 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 | $ 12,774 | $ 12,628
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 23,048 | $ 22,747
Common equity tier one risk based capital to risk weighted assets | 0.151 | 0.150
Common equity tier one capital required for capital adequacy | $ 10,696 | $ 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 | $ 9,932 | $ 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 | $ 27,424 | $ 27,292
Capital to risk weighted assets | 0.150 | 0.136
Capital required for capital adequacy | $ 19,235 | $ 21,136
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 18,319 | $ 20,129
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 25,131 | $ 24,774
Tier one risk based capital to risk weighted assets | 0.137 | 0.123
Tier one risk based capital required for capital adequacy | $ 15,571 | $ 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 | $ 14,655 | $ 16,103
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 25,131 | $ 24,774
Tier one leverage capital to average assets | 0.086 | 0.088
Tier one leverage capital required for capital adequacy | $ 11,642 | $ 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 | $ 14,553 | $ 14,245
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 25,131 | $ 24,774
Common equity tier one risk based capital to risk weighted assets | 0.137 | 0.123
Common equity tier one capital required for capital adequacy | $ 12,823 | $ 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 | $ 11,907 | $ 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 | $ 21,243 | $ 20,885
Capital to risk weighted assets | 0.148 | 0.152
Capital required for capital adequacy | $ 15,114 | $ 14,416
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 14,395 | $ 13,730
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 19,590 | $ 19,231
Tier one risk based capital to risk weighted assets | 0.136 | 0.140
Tier one risk based capital required for capital adequacy | $ 12,235 | $ 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 | $ 11,516 | $ 10,984
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 19,590 | $ 19,231
Tier one leverage capital to average assets | 0.089 | 0.091
Tier one leverage capital required for capital adequacy | $ 8,812 | $ 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 | $ 11,016 | $ 10,586
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 19,590 | $ 19,231
Common equity tier one risk based capital to risk weighted assets | 0.136 | 0.140
Common equity tier one capital required for capital adequacy | $ 10,076 | $ 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 | $ 9,356 | $ 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 | $ 12,137 | $ 12,001
Capital to risk weighted assets | 0.153 | 0.157
Capital required for capital adequacy | $ 8,328 | $ 8,039
Capital required for capital adequacy to risk weighted assets | 10.50% | 10.50%
Capital required to be well capitalized | $ 7,931 | $ 7,657
Capital required to be well capitalized to risk weighted assets | 0.100 | 0.100
Tier one risk based capital | $ 11,144 | $ 11,042
Tier one risk based capital to risk weighted assets | 0.141 | 0.144
Tier one risk based capital required for capital adequacy | $ 6,742 | $ 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 | $ 6,345 | $ 6,125
Tier one risk based capital required to be well capitalized to risk weighted assets | 0.080 | 0.080
Tier one leverage capital | $ 11,144 | $ 11,042
Tier one leverage capital to average assets | 0.087 | 0.089
Tier one leverage capital required for capital adequacy | $ 5,137 | $ 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 | $ 6,421 | $ 6,193
Tier one leverage capital required to be well capitalized to average assets | 0.050 | 0.050
Common equity tier one capital | $ 11,144 | $ 11,042
Common equity tier one risk based capital to risk weighted assets | 0.151 | 0.144
Common equity tier one capital required for capital adequacy | $ 5,552 | $ 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 | $ 5,155 | $ 4,977
Common equity tier one capital required to be well capitalized to risk weighted assets | 6.50% | 6.50%

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