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Earnings per Share (Basic and Diluted) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Numerator:    
Net income $ 2,856 $ 3,994
Denominator for basic net income per common share:    
Weighted average common shares outstanding (in shares) 12,373 12,282
Denominator for diluted net income per share:    
Weighted average common shares outstanding (in shares) 12,373 12,282
Dilutive effect of stock options and restricted stock (in shares) 319 97
Diluted weighted average shares (in shares) 12,692 12,379
Earnings per common share:    
Basic (in USD per share) $ 0.23 $ 0.33
Diluted (in USD per share) $ 0.23 $ 0.32