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Equity Compensation Plans (Tables)
 6 Months Ended
Jun. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Stock Option Activity

The following table is a summary of the stock option activity for the six months ended June 30, 2018.

 

     Directors’ Plan      2013 Plan  
     Number
of
Shares		      Weighted
Average
Exercise
Price		      Number
of
Shares		      Weighted
Average
Exercise
Price		  

Outstanding at December 31, 2017

      63,000      $ 20.96        —        $ —    

Granted

      —          —          —          —    

Exercised

      (6,000 )       18.00        —          —    

Expired

      (4,500 )       18.00        —          —    
  

 

 

     

 

 

     

 

 

     

 

 

  

Outstanding at June 30, 2018

      52,500      $ 21.55        —        $ —