v3.4.0.3
Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2016
Earnings Per Share [Abstract]  
Components of Basic and Diluted Earnings Per Share

The components of basic and diluted earnings per share are as follows:

 

     Quarter Ended
March
 
     2016      2015  
     (Thousands of dollars)  

Weighted average outstanding shares of common stock, basic

     15,600         15,579   

Dilutive effect of unvested restricted stock units

     —           83   
  

 

 

    

 

 

 

Weighted average outstanding shares of common stock, diluted

     15,600         15,662