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Earnings (Loss) Per Share ("EPS") (Tables)
 12 Months Ended
Dec. 31, 2018
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table indicates the computation of basic and diluted earnings per share:
 
Years Ended December 31,
(in thousands, except per share amounts)
2018
 
2017
 
2016
Calculation of net income (loss) per share:
 
 
 
 
 
Net income (loss)
$
46,595

 
$
66,390

 
$
(895
)
Basic weighted average shares outstanding
49,542

 
49,150

 
48,807

Basic net income (loss) per share
$
0.94

 
$
1.35

 
$
(0.02
)
 
 
 
 
 
 
Effect of stock options outstanding:
 
 
 
 
 
Basic weighted average shares outstanding
49,542

 
49,150

 
48,807

Effect from dilutive shares and options outstanding
521

 
876

 
—

Diluted weighted average shares outstanding
50,063

 
50,026

 
48,807

Diluted net income (loss) per share
$
0.93

 
$
1.33

 
$
(0.02
)
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
The computation of diluted EPS does not include certain unvested awards, on a weighted average basis, because their inclusion would have an anti-dilutive effect on EPS. The awards excluded because of their anti-dilutive effect are as follows:
 
Years Ended December 31,
(in thousands)
2018
 
2017
 
2016
Awards excluded from the computation of diluted net income (loss) per share because their inclusion would have been anti-dilutive
33

 
21

 
800