XML 38 R26.htm IDEA: XBRL DOCUMENT v3.7.0.1
Earnings Per Share (Tables)
 3 Months Ended
Mar. 31, 2017
Earnings Per Share [Abstract]  
Components of Basic and Diluted Earnings Per Share

The components of basic and diluted earnings per share for the quarter ended March 31, 2017 and 2016 are as follows:

 

     Quarter Ended  
     March 31,  
     2017      2016  
     (Thousands of dollars)  

Weighted average outstanding shares of common stock, basic

      15,689        15,600  

Dilutive effect of unvested restricted stock units

      —          —    
  

 

 

     

 

 

  

Weighted average outstanding shares of common stock, diluted

      15,689        15,600  
  

 

 

     

 

 

  

 

(1) For the three months ended March 31, 2017, 58,119 unvested restricted stock units were excluded from the weighted average outstanding shares of common stock, diluted, as they were anti-dilutive to earnings per share.