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Earnings per Share (Tables)
 6 Months Ended
Jun. 30, 2015
Earnings Per Share [Abstract]  
Schedule of calculations of basic and diluted earnings (loss) per share
    Three Months Ended June 30,     Six Months Ended June 30,  
(dollars in thousands, except per share data)   2015     2014     2015     2014  
Basic earnings per share:                                
Net income available to shareholders   $ 1,927     $ 2,098     $ 4,065     $ 4,085  
Basic earnings per share   $ 0.35     $ 0.39     $ 0.75     $ 0.75  
Diluted earnings per share:                                
Net income available to shareholders   $ 1,927     $ 2,098     $ 4,065     $ 4,085  
Average shares outstanding     5,443,344       5,443,344       5,443,344       5,443,344  
Effect of dilutive stock options     0       0       0       0  
Average shares outstanding including dilutive stock options     5,443,344       5,443,344       5,443,344       5,443,344  
Diluted earnings per share   $ 0.35       0.39     $ 0.75       0.75