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Earnings Per Share of Common Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Earnings Per Share of Common Stock    
Net income $ 1,232 $ 633
Less net income attributable to participating securities (2)  
Income available to common stockholders $ 1,230 $ 633
Weighted average common shares outstanding for basic earnings per common share 26,616,704 29,076,708
Add: dilutive effects of unvested restricted stock awards 70,759  
Weighted average common shares outstanding for diluted earnings per common share 26,687,463 29,076,708
Earnings per common share - basic (in dollars per share) $ 0.05 $ 0.02
Earnings per common share - diluted (in dollars per share) $ 0.05 $ 0.02
Anti-dilutive stock options not considered in computing diluting earnings per common share 540,625 540,625