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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2019
Earnings Per Share [Abstract]  
Schedule of basic and diluted earnings per share
(Dollars in thousands, except share data)                  
    2019     2018     2017  
Basic                        
Net income   $        7,171     $        7,333     $        6,168  
                         
Weighted average common shares outstanding     4,528,786       3,614,302       3,621,216  
                         
Basic earnings per common shares   $ 1.58     $          2.03     $          1.70  
                         
Diluted                        
Net income   $ 7,171     $        7,333     $        6,168  
                         
Weighted average common shares outstanding     4,528,786       3,614,302       3,621,216  
Plus dilutive stock options and restricted stock units     10,489       13,825       8,465  
                         
Weighted average common shares outstanding and potentially dilutive shares     4,539,275       3,628,127       3,629,682  
                         
Diluted earnings per common share   $ 1.58     $          2.02     $          1.70