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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2019
Earnings Per Share [Abstract]  
Summary of earnings per share

  Three Months Ended
Mar. 31,
 
($ and outstanding shares in thousands - except per share data) 2019  2018 
       
Distributed earnings allocated to common shares $556  $486 
Undistributed earnings allocated to common shares  1,422   1,720 
Net earnings allocated to common shares  1,978   2,206 
Net earnings allocated to participating securities  4   3 
Dividends on convertible preferred shares  244   244 
Net Income allocated to common shares and participating securities $2,226  $2,453 
         
Weighted average shares outstanding for basic earnings per share  6,482   5,519 
Dilutive effect of stock compensation  37   72 
Dilutive effect of convertible shares  1,475   1,464 
Weighted average shares outstanding for diluted earnings per share  7,994   7,055 
         
Basic earnings per common share $0.31  $0.40 
         
Diluted earnings per common share $0.28  $0.35