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Employee Benefit Plans (Details Narrative) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Matching contributions to 401(k) plan cost $ 207 $ 189 $ 180
Post-retirement Benefits Plan [Member]      
Benefit expense 12 14 18
Benefit obligation 98 160  
Deferred Compensation Plans - Directors [Member]      
Benefit expense 5 7 7
Benefit obligation $ 65 103  
Description of benefit plan A deferred director compensation plan covers former directors, which was acquired by ChoiceOne in 2006. Under the plan, ChoiceOne pays each former director the amount of director fees deferred plus interest at rates ranging from 5.50% to 5.84% over various periods as elected by each director.    
Deferred Compensation Plans - Directors [Member] | Lower Range [Member]      
Interest rate on deferred director fees 5.50%    
Deferred Compensation Plans - Directors [Member] | Upper Range [Member]      
Interest rate on deferred director fees 5.84%    
Deferred Compensation Plans - Executive Officers [Member]      
Benefit expense $ 6 12 $ 19
Benefit obligation $ 420 $ 492  
Description of benefit plan A supplemental executive retirement plan covers four former executive officers. Under the plan, ChoiceOne pays these individuals a specific amount of compensation over a 15-year period commencing upon early retirement age (as defined in the plan) or normal retirement age (as defined in the plan).