XML 59 R46.htm IDEA: XBRL DOCUMENT v3.8.0.1
LONG TERM INCENTIVE PLANS (Tables)
12 Months Ended
Dec. 31, 2017
Retirement Benefits [Abstract]  
Amount of cumulatively granted restricted stock awards under 2011 and 2017 Long-Term Incentive Plans
  Year Ended December 31  2017  Weighted Average Grant Price
 Beginning of year    19,750   $28.97 
 Granted    13,824    39.57 
 Vested    (5,650)   27.62 
 Forfeited    (900)   30.56 
 End of year    27,024   $34.62