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Share-Based Compensation - Textual (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options exercised during period 1,500  
Unrecognized compensation cost related to non-vested share-based compensation arrangements $ 243,000  
Weighted average period to recognize unrecognized share-based compensation cost 2 years 10 months 40 days  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value 2,000 2,000
Nonvested and expected to vest 8,905  
Share-based compensation expense 25,000 25,000
2005 Plan [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 5 years  
Stock Options [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Tax benefit of stock option compensation expense 7,000 4,000
Restricted Common Stock [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Unrecognized compensation cost related to non-vested share-based compensation arrangements 98,000  
Granted (in shares) 8,905  
Granted (in dollars per share) $ 11.23  
Share-based compensation expense 2,000 0
Weighted average remaining period 4 years 9 months 34 days  
Intrinsic value $ 102,496  
Restricted Common Stock [Member] | Annual Vesting [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Award vesting percent 20.00%