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NET INCOME PER COMMON SHARE AND EQUITY PER COMMON SHARE (Tables)
9 Months Ended
Sep. 30, 2018
NET INCOME PER COMMON SHARE AND EQUITY PER COMMON SHARE [Abstract]  
Shares Used in Computing Basic and Diluted Net Income Per Share
The following table summarizes the shares used in computing basic and diluted net income per share:

  
For the Three Months Ended September 30,
  
For the Nine Months Ended September 30,
 
       
  
2018
  
2017
  
2018
  
2017
 
  
(in thousands)
  
(in thousands)
 
             
Weighted average common shares outstanding during the period for Basic computation
  
9,244
   
9,191
   
9,235
   
9,164
 
Dilutive effect of employee stock options and awards
  
55
   
95
   
55
   
98
 
                 
Weighted average common shares outstanding during the period for Diluted computation
  
9,299
   
9,286
   
9,290
   
9,262