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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2019
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   Twelve Months Ended Dec. 31, 
($ and outstanding shares in thousands - except per share data)  2019   2018 
         
Distributed earnings allocated to common shares  $2,331   $2,090 
Undistributed earnings allocated to common shares   8,675    8,558 
           
Net earnings allocated to common shares   11,006    10,648 
Net earnings allocated to participating securities   17    15 
Dividends on convertible preferred shares   950    975 
           
Net Income allocated to common shares and participating securities  $11,973   $11,638 
           
Weighted average shares outstanding for basic earnings per share   6,456    6,198 
Dilutive effect of stock compensation   46    61 
Dilutive effect of preferred convertible shares   1,433    1,460 
           
Weighted average shares outstanding for diluted earnings per share   7,935    7,719 
           
Basic earnings per common share  $1.71   $1.72 
           
Diluted earnings per common share  $1.51   $1.51