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Equity Based Plans (Tables)
12 Months Ended
Dec. 31, 2016
Equity Based Plans [Abstract]  
Summary of Cumulative Summary of Equity Plans
A cumulative summary of equity plans as of December 31, 2016 follows:

  
Authorized
  
Restricted
Stock Issued
  
Outstanding
Stock Options
  
Stock Options
Exercised
  
Stock Options
Exercisable
  
Shares Available
for Grant
 
Equity Plans
                  
Amended 1999 Plan
  
600,000
   
416,402
   
-
   
139,791
   
-
   
7,775
 
Amended 2003 Plan
  
2,100,000
   
763,357
   
-
   
778,300
   
-
   
558,343
 
   
2,700,000
   
1,179,759
   
-
   
918,091
   
-
   
566,118
 
Summary of Restricted Stock Granted and Cancelled
During 2016, 2015 and 2014, the Company granted the following shares of restricted stock to directors, officers and employees pursuant to its equity plans as follows:

Year Granted
 
Number of Shares
  
Weighted Average Fair
Value Per Share
 
2014
  
159,443
  
$
33.29
 
2015
  
147,928
  
$
41.66
 
2016
  
101,790
  
$
51.59
 
 
During 2016, 2015 and 2014, the following shares were cancelled due to employee terminations prior to restrictions lapsing:

Year Cancelled
 
Number of Shares
  
Weighted Average Fair
Value Per Share
 
2014
  
8,120
  
$
23.49
 
2015
  
-
   
-
 
2016
  
4,965
  
$
35.78