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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2018
Earnings Per Share [Abstract]  
Calculation of Basic and Diluted Net Income (Loss) per Share

The following table presents information necessary to calculate net income (loss) per share for the years ended December 31, 2018, 2017 and 2016, as well as potentially dilutive securities excluded from the weighted average number of diluted common shares outstanding because their inclusion would have been anti-dilutive (in thousands, except per share amounts):

 

 

 

2018

 

 

2017

 

 

2016

 

BASIC EPS:

 

 

 

 

 

 

 

 

 

 

 

 

Net income (loss)

 

$

(321,421

)

 

$

5,910

 

 

$

(318,634

)

Adjust for (income) loss attributed to holders of non-vested restricted stock

 

 

—

 

 

 

(170

)

 

 

—

 

Income (loss) attributed to common stockholders

 

$

(321,421

)

 

$

5,740

 

 

$

(318,634

)

 

 

 

 

 

 

 

 

 

 

 

 

 

Weighted average number of common shares outstanding, excluding

   non-vested shares of restricted stock

 

 

218,643

 

 

 

198,447

 

 

 

146,178

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Basic net income (loss) per common share

 

$

(1.47

)

 

$

0.03

 

 

$

(2.18

)

 

 

 

 

 

 

 

 

 

 

 

 

 

DILUTED EPS:

 

 

 

 

 

 

 

 

 

 

 

 

Income (loss) attributed to common stockholders

 

$

(321,421

)

 

$

5,740

 

 

$

(318,634

)

 

 

 

 

 

 

 

 

 

 

 

 

 

Weighted average number of common shares outstanding, excluding

   non-vested shares of restricted stock

 

 

218,643

 

 

 

198,447

 

 

 

146,178

 

Add dilutive effect of potential common shares

 

 

—

 

 

 

1,435

 

 

 

—

 

Weighted average number of diluted common shares outstanding

 

 

218,643

 

 

 

199,882

 

 

 

146,178

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Diluted net income (loss) per common share

 

$

(1.47

)

 

$

0.03

 

 

$

(2.18

)

 

 

 

 

 

 

 

 

 

 

 

 

 

Potentially dilutive securities excluded as anti-dilutive

 

 

9,762

 

 

 

3,289

 

 

 

9,057