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Stock and Incentive Compensation Plans (Tables)
3 Months Ended
Mar. 31, 2012
Stock and Incentive Compensation Plans [Abstract]  
Compensation expense for stock and incentive plans
The following tables summarize the stock and incentive plan activity for the period presented:

   
Three Months ended March 31, 2012
 
   
Stock
  
Performance
  
Time-Vested
 
   
Options
  
Awards
  
Awards
 
Outstanding/Nonvested shares or units, beginning of period
  1,205,100   179,421   334,356 
Granted
  -   55,295   77,006 
Granted - excess shares
  -   -   63,610 
Exercised or released from restriction
  (1,375)  (71,500)  (89,815)
Expired
  (16,575)  -   - 
Forfeited
  -   (1,463)  (2,842)
Outstanding/Nonvested shares or units, end of period
  1,187,150   161,753   382,315 
Stock Based Incentive Plan
The following table presents information regarding compensation expense for stock and incentive plans for the periods presented ($ in thousands):

   
Three months ended March 31,
 
   
2012
  
2011
 
Compensation expense - Stock and Incentive plans:
      
Stock option-based awards
 $-  $67 
Performance awards
  219   223 
Time-vested awards
  908   747 
RSU award
  -   137 
Total
 $1,127  $1,174