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Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2014
Stock-Based Compensation [Abstract]  
Schedule of weighted average assumptions used for estimating the grant-date fair value of each option grant
The fair value of options granted during the six months ended June 30, 2013, were established at the date of grant using a Black-Scholes option pricing model with the weighted average assumptions as follows:

 
 
Six Months Ended
 
 
 
June 30
 
 
 
2013
 
Expected dividend yield
  
3.74
%
Risk-free interest rate
  
1.33
%
Expected volatility
  
39.11
%
Expected term (in years)
  
7.5
 
Weighted average fair value of options
 
$
8.23