Regulatory Capital (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Parent Company [Member]
Total Capital
Total Capital	$ 55,223	$ 50,530
Total Capital (to risk-weighted assets) ratio	14.30%	14.40%
Minimum amount of capital for adequacy purposes	30,948	28,077
Minimum amount of capital for adequacy purposes, ratio	8.00%	8.00%
Minimum Capital required to be well-capitalized
Minimum Capital required to be well-capitalized, ratio
Tier 1 Leverage Capital (to average assets)
Tier 1 Capital	50,562	46,406
Tier 1 Capital (to average assets) ratio	13.10%	13.20%
Minimum amount of Tier 1 Capital for adequacy purposes	15,474	14,039
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	4.00%	4.00%
Minimum Tier 1 Capital required to be well-capitalized
Minimum Tier 1 Capital required to be well-capitalized, ratio
Tier 1 Capital (to risk-weighted assets)
Tier 1 Capital	50,562	46,406
Tier 1 Capital (to risk-weighted assets) ratio	9.60%	0.00%
Minimum amount of Tier 1 Capital for adequacy purposes	21,016	19,517
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	4.00%	4.00%
Minimum Tier 1 Capital required to be well-capitalized
Minimum Tier 1 Capital required to be well-capitalized, ratio
ChoiceOne Bank [Member]
Total Capital
Total Capital	52,664	49,340
Total Capital (to risk-weighted assets) ratio	13.60%	14.10%
Minimum amount of capital for adequacy purposes	30,881	28,048
Minimum amount of capital for adequacy purposes, ratio	8.00%	8.00%
Minimum Capital required to be well-capitalized	38,601	35,060
Minimum Capital required to be well-capitalized, ratio	10.00%	10.00%
Tier 1 Leverage Capital (to average assets)
Tier 1 Capital	48,665	45,216
Tier 1 Capital (to average assets) ratio	12.60%	1290.00%
Minimum amount of Tier 1 Capital for adequacy purposes	15,441	14,024
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	4.00%	4.00%
Minimum Tier 1 Capital required to be well-capitalized	23,161	21,036
Minimum Tier 1 Capital required to be well-capitalized, ratio	6.00%	6.00%
Tier 1 Capital (to risk-weighted assets)
Tier 1 Capital	48,665	45,216
Tier 1 Capital (to risk-weighted assets) ratio	9.30%	930.00%
Minimum amount of Tier 1 Capital for adequacy purposes	20,971	19,489
Minimum amount of Tier 1 Capital for adequacy purposes, ratio	4.00%	4.00%
Minimum Tier 1 Capital required to be well-capitalized	$ 26,214	$ 24,361
Minimum Tier 1 Capital required to be well-capitalized, ratio	5.00%	5.00%

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The amount of total capital as defined in the regulations.

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The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action.

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Total Capital divided by risk weighted assets as defined in the regulations.

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Tier 1 Leverage Capital as defined in the regulations. Also called Core Capital.

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The minimum amount of Tier 1 Leverage Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The minimum amount of Tier 1 Leverage Capital for capital adequacy purposes divided by average assets as defined in the regulations.

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Tier 1 Leverage Capital divided by average assets as defined in the regulations.

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Tier 1 Risk Based Capital as defined in the regulations.

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The minimum amount of Tier 1 Risk Based Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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Tier 1 capital divided by risk weighted assets as defined by regulations.

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