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Regulatory Capital - Regulatory Capital (Details) $ in Thousands | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
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Parent Company [Member] |  |
Total Capital | $ 233,840 | $ 222,006
Total Capital (to risk-weighted assets) ratio | 0.13 | 0.138
Minimum Required for Capital Adequacy Purposes | $ 144,441 | $ 128,545
Minimum Required for Capital Adequacy Purposes, Ratio | 0.08 | 0.08
Common equity Tier 1 capital (to risk weighted assets) | $ 185,412 | $ 177,916
Common equity Tier 1 capital (to risk weighted assets), Ratio | 0.103 | 0.111
Common equity Tier 1 capital (to risk weighted assets), Minimum Required for Capital Adequacy Purposes | $ 81,248 | $ 72,307
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) | $ 189,912 | $ 182,416
Tier 1 capital (to risk weighted assets), Ratio | 0.105 | 0.114
Tier 1 capital (to risk weighted assets), Minimum Required for Capital Adequacy Purposes | $ 108,331 | $ 96,409
Tier 1 capital (to risk weighted assets), Minimum Required for Capital Adequacy Purposes, Ratio | 0.06 | 0.06
Tier 1 capital (to average assets) | $ 189,912 | $ 182,416
Tier 1 capital (to average assets), Ratio | 0.075 | 0.079
Tier 1 capital (to average assets), Minimum Required for Capital Adequacy Purposes | $ 101,337 | $ 92,558
Tier 1 capital (to average assets), Minimum Required for Capital Adequacy Purposes, Ratio | 0.04 | 0.04
ChoiceOne Bank [Member] |  |
Total Capital | $ 224,095 | $ 208,696
Total Capital (to risk-weighted assets) ratio | 0.124 | 0.13
Minimum Required for Capital Adequacy Purposes | $ 144,274 | $ 128,294
Minimum Required for Capital Adequacy Purposes, Ratio | 0.08 | 0.08
Common equity Tier 1 capital (to risk weighted assets) | $ 212,283 | $ 201,077
Common equity Tier 1 capital (to risk weighted assets), Ratio | 0.118 | 0.125
Common equity Tier 1 capital (to risk weighted assets), Minimum Required for Capital Adequacy Purposes | $ 81,154 | $ 72,165
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) | $ 212,283 | $ 201,077
Tier 1 capital (to risk weighted assets), Ratio | 0.118 | 0.125
Tier 1 capital (to risk weighted assets), Minimum Required for Capital Adequacy Purposes | $ 108,205 | $ 96,220
Tier 1 capital (to risk weighted assets), Minimum Required for Capital Adequacy Purposes, Ratio | 0.06 | 0.06
Tier 1 capital (to average assets) | $ 212,283 | $ 201,077
Tier 1 capital (to average assets), Ratio | 0.084 | 0.087
Tier 1 capital (to average assets), Minimum Required for Capital Adequacy Purposes | $ 101,244 | $ 92,449
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 | $ 180,342 | $ 160,367
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 | $ 117,223 | $ 104,239
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 | $ 144,274 | $ 128,294
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 | $ 126,555 | $ 115,562
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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