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STOCK-BASED COMPENSATION (Tables)
6 Months Ended
Jun. 30, 2014
STOCK-BASED COMPENSATION [Abstract]  
Shares Authorized and Outstanding Under the Restricted Stock Plan
The following table provides certain information regarding the shares authorized and outstanding under the Restricted Stock Plan at June 30, 2014:

Number of shares authorized for grants
  
800,000
 
Number of shares granted
  
(834,459
)
Number of shares forfeited
  
120,067
 
Number of shares available for future grants
  
85,608
 
Weighted-average grant price of granted shares
 
$
27.66
 

Changes in restricted stock for the six months ended June 30, 2014 were as follows:

 
 
Number of
Shares
  
Weighted Average
Grant Price
 
Non-vested at December 31, 2013
  
211,510
  
$
36.17
 
Granted
  
49,300
  
$
94.07
 
Forfeited
  
(11,158
)
 
$
35.72
 
Vested
  
(39,026
)
 
$
36.88
 
Non-vested at June 30, 2014
  
210,626
  
$
49.54