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Note 21 - Regulatory Capital - Regulatory Capital (Details) $ in Thousands | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
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Parent Company [Member] |  |
Total Capital | $ 222,006 | $ 204,353
Total Capital (to risk-weighted assets) ratio | 0.138 | 0.144
Minimum amount of capital for adequacy purposes | $ 128,545 | $ 113,604
Minimum amount of capital for adequacy purposes, ratio | 0.080 | 0.080
Common equity Capital | $ 177,916 | $ 160,338
Common equity Capital ratio | 0.111 | 0.113
Minimum amount of Common equity Capital for adequacy purposes | $ 72,307 | $ 63,902
Minimum amount of Common equity Capital for adequacy purposes, ratio | 0.045 | 0.045
Tier 1 Capital | $ 182,416 | $ 164,838
Tier 1 Capital (to risk-weighted assets) ratio | 0.114 | 0.116
Minimum amount of Tier 1 Capital for adequacy purposes | $ 96,409 | $ 85,203
Minimum amount of Tier 1 Capital for adequacy purposes, ratio | 0.060 | 0.060
Tier 1 Capital | $ 182,416 | $ 164,838
Tier 1 Capital (to average assets) ratio | 0.079 | 0.074
Minimum amount of Tier 1 Capital for adequacy purposes | $ 92,558 | $ 89,415
Minimum amount of Tier 1 Capital for adequacy purposes, ratio | 0.040 | 0.040
ChoiceOne Bank [Member] |  |
Total Capital | $ 208,696 | $ 182,275
Total Capital (to risk-weighted assets) ratio | 0.130 | 0.129
Minimum amount of capital for adequacy purposes | $ 128,294 | $ 113,444
Minimum amount of capital for adequacy purposes, ratio | 0.080 | 0.080
Common equity Capital | $ 201,077 | $ 174,587
Common equity Capital ratio | 0.125 | 0.123
Minimum amount of Common equity Capital for adequacy purposes | $ 72,165 | $ 63,813
Minimum amount of Common equity Capital for adequacy purposes, ratio | 0.045 | 0.045
Tier 1 Capital | $ 201,077 | $ 174,587
Tier 1 Capital (to risk-weighted assets) ratio | 0.125 | 0.123
Minimum amount of Tier 1 Capital for adequacy purposes | $ 96,220 | $ 85,083
Minimum amount of Tier 1 Capital for adequacy purposes, ratio | 0.060 | 0.060
Tier 1 Capital | $ 201,077 | $ 174,587
Tier 1 Capital (to average assets) ratio | 0.087 | 0.078
Minimum amount of Tier 1 Capital for adequacy purposes | $ 92,449 | $ 89,289
Minimum amount of Tier 1 Capital for adequacy purposes, ratio | 0.040 | 0.040
Minimum Capital required to be well-capitalized | $ 160,367 | $ 141,806
Minimum Capital required to be well-capitalized, ratio | 0.100 | 0.100
Minimum Common equity Capital required to be well-capitalized | $ 104,239 | $ 92,174
Minimum Common equity Capital required to be well-capitalized, ratio | 0.065 | 0.065
Minimum Tier 1 Capital required to be well-capitalized | $ 128,294 | $ 113,444
Minimum Tier 1 Capital required to be well-capitalized, ratio | 0.080 | 0.080
Minimum Tier 1 Capital required to be well-capitalized | $ 115,562 | $ 111,611
Minimum Tier 1 Capital required to be well-capitalized, ratio | 0.050 | 0.050

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- Definition Amount of total capital as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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