XML 43 R27.htm IDEA: XBRL DOCUMENT v3.8.0.1
Quarterly Operating Results - Unaudited (Tables)
 12 Months Ended
Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]  
Quarterly financial information

Operating results for each quarter of 2017 and 2016 are as follows:

 

 

   (Thousands of Dollars, Except per Share Data)
2017   1st   2nd   3rd   4th  Total
                
Operating Revenues  $30, 131   $33,014   $36,174   $31, 456   $130,775 
Operating Income   7,780    9,563    12,806    8,471    38,620 
Net Income   4,441    5,381    7,642    5,345    22,809 
Basic Earnings per Share  $0.27   $0.33   $0.47   $0.32   $1.39 
Diluted Earnings per Share  $0.27   $0.33   $0.46   $0.32   $1.38 

 

2016   1st   2nd   3rd   4th  Total
                          
Operating Revenues  $30,579   $32,725   $37,754   $31,808   $132,906 
Operating Income   8,302    10,328    14,156    7,846    40,632 
Net Income   4,790    5,919    8,813    3,220    22,742 
Basic Earnings per Share  $0.29   $0.36   $0.54   $0.20   $1.39 
Diluted Earnings per Share  $0.29   $0.36   $0.54   $0.19   $1.38