v3.7.0.1
Earnings Per Share
 6 Months Ended
Jun. 30, 2017
Earnings Per Share [Abstract]  
Earnings Per Share
EARNINGS PER SHARE
The components of basic and diluted earnings per share for the quarter and six months ended June 30, 2017 and 2016 are as follows: 
 
 
Quarter Ended  
 June 30,
 
Six Months Ended 
 June 30,
 
 
2017
 
2016
 
2017
 
2016
 
 
(Thousands of dollars)
Weighted average outstanding shares of common stock, basic
 
15,716

 
15,677

 
15,716

 
15,650

Dilutive effect of unvested restricted stock units
 
—

 
41

 
—

 
—

Weighted average outstanding shares of common stock, diluted (1)
 
15,716

 
15,718

 
15,716

 
15,650

 
(1)
For the six months ended June 30, 2017, and 2016, 438,812 and 3,180 unvested restricted stock units were excluded from the weighted average outstanding shares of common stock, diluted, respectively as they were anti-dilutive to earnings per share.