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STOCK-BASED COMPENSATION (Tables)
 3 Months Ended
Mar. 31, 2018
STOCK-BASED COMPENSATION [Abstract]  
Changes in Restricted Stock
Changes in restricted stock for the three months ended March 31, 2018 were as follows:

  
Number of
Shares
  
Weighted Average
Grant Price
 
Non-vested at December 31, 2017
  
77,901
  
$
30.36
 
Granted
  
114,724
  
$
30.94
 
Forfeited
  
(2,400
)
 
$
46.68
 
Vested
  
(10,699
)
 
$
55.90
 
Non-vested at March 31, 2018
  
179,526
  
$
28.99