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Regulatory Capital - Regulatory Capital (Details) $ in Thousands | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
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Parent Company [Member] |  |
Total Capital | $ 287,927 | $ 233,840
Total Capital (to risk-weighted assets) ratio | 0.145 | 0.13
Minimum Required for Capital Adequacy Purposes | $ 158,391 | $ 144,441
Minimum Required for Capital Adequacy Purposes, Ratio | 0.08 | 0.08
Common equity Tier 1 capital (to risk weighted assets) | $ 237,152 | $ 185,412
Common equity Tier 1 capital (to risk weighted assets), Ratio | 0.12 | 0.103
Common equity Tier 1 capital (to risk weighted assets), Minimum Required for Capital Adequacy Purposes | $ 89,095 | $ 81,248
Common equity Tier 1 capital (to risk weighted assets), Minimum Required for Capital Adequacy Purposes, Ratio | 0.045 | 0.045
Tier 1 capital (to risk weighted assets) | $ 241,652 | $ 189,912
Tier 1 capital (to risk weighted assets), Ratio | 0.122 | 0.105
Tier 1 capital (to risk weighted assets), Minimum Required for Capital Adequacy Purposes | $ 118,793 | $ 108,331
Tier 1 capital (to risk weighted assets), Minimum Required for Capital Adequacy Purposes, Ratio | 0.06 | 0.06
Tier 1 capital (to average assets) | $ 241,652 | $ 189,912
Tier 1 capital (to average assets), Ratio | 0.091 | 0.075
Tier 1 capital (to average assets), Minimum Required for Capital Adequacy Purposes | $ 106,485 | $ 101,337
Tier 1 capital (to average assets), Minimum Required for Capital Adequacy Purposes, Ratio | 0.04 | 0.04
ChoiceOne Bank [Member] |  |
Total Capital | $ 250,494 | $ 224,095
Total Capital (to risk-weighted assets) ratio | 0.127 | 0.124
Minimum Required for Capital Adequacy Purposes | $ 158,197 | $ 144,274
Minimum Required for Capital Adequacy Purposes, Ratio | 0.08 | 0.08
Common equity Tier 1 capital (to risk weighted assets) | $ 236,479 | $ 212,283
Common equity Tier 1 capital (to risk weighted assets), Ratio | 0.12 | 0.118
Common equity Tier 1 capital (to risk weighted assets), Minimum Required for Capital Adequacy Purposes | $ 88,986 | $ 81,154
Common equity Tier 1 capital (to risk weighted assets), Minimum Required for Capital Adequacy Purposes, Ratio | 0.045 | 0.045
Tier 1 capital (to risk weighted assets) | $ 236,479 | $ 212,283
Tier 1 capital (to risk weighted assets), Ratio | 0.12 | 0.118
Tier 1 capital (to risk weighted assets), Minimum Required for Capital Adequacy Purposes | $ 118,647 | $ 108,205
Tier 1 capital (to risk weighted assets), Minimum Required for Capital Adequacy Purposes, Ratio | 0.06 | 0.06
Tier 1 capital (to average assets) | $ 236,479 | $ 212,283
Tier 1 capital (to average assets), Ratio | 0.089 | 0.084
Tier 1 capital (to average assets), Minimum Required for Capital Adequacy Purposes | $ 106,422 | $ 101,244
Tier 1 capital (to average assets), Minimum Required for Capital Adequacy Purposes, Ratio | 0.04 | 0.04
Total capital (to risk weighted assets), Minimum Required to be Well Capitalized Under Prompt Corrective Action Regulations | $ 197,746 | $ 180,342
Total capital (to risk weighted assets), Minimum Required to be Well Capitalized Under Prompt Corrective Action Regulations, Ratio | 0.10 | 0.10
Common equity Tier 1 capital (to risk weighted assets), Minimum Required to be Well Capitalized Under Prompt Corrective Action Regulations | $ 128,535 | $ 117,223
Common equity Tier 1 capital (to risk weighted assets), Minimum Required to be Well Capitalized Under Prompt Corrective Action Regulations, Ratio | 0.065 | 0.065
Tier 1 capital (to risk weighted assets), Minimum Required to be Well Capitalized Under Prompt Corrective Action Regulations | $ 158,197 | $ 144,274
Tier 1 capital (to risk weighted assets), Minimum Required to be Well Capitalized Under Prompt Corrective Action Regulations, Ratio | 0.08 | 0.08
Tier 1 capital (to average assets), Minimum Required to be Well Capitalized Under Prompt Corrective Action Regulations | $ 133,028 | $ 126,555
Tier 1 capital (to average assets), Minimum Required to be Well Capitalized Under Prompt Corrective Action Regulations, Ratio | 0.05 | 0.05

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