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STOCK BASED COMPENSATION PLANS (Tables)
 6 Months Ended
Jun. 30, 2017
STOCK BASED COMPENSATION PLANS  
Schedule of status of unvested restricted stock
     Weighted 
     Average Grant-Date 
  Shares  Fair Value 
Unvested, January 1, 2017  301,991  $24.59 
Granted  70,981  $35.62 
Vested  (40,881) $22.16 
Forfeited  (800) $27.72 
Unvested, June 30, 2017  331,291  $27.25