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Share-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2016
Share-Based Compensation [Abstract]  
Stock option plan activity

Stock option activity for the three months ended March 31, 2016 is summarized below:

  
Shares
  
Weighted
Average
Exercise
Price
 
Weighted
Average
Remaining
Contractual
Life
(in years)
 
Aggregate
Intrinsic
Value
(in thousands)
 
Options outstanding, January 1, 2016
  
74,960
  
$
20.05
     
Granted
  
0
   
0
     
Exercised
  
0
   
0
     
Canceled or expired
  
(4,980
)
  
20.05
     
Options outstanding, March 31, 2016
  
69,980
  
$
20.05
   
1.54
  
$
0
 
Options exercisable, March 31, 2016
  
69,980
  
$
20.05
   
1.54
  
$
0