Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2018
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted
The following table reflects the allocation of net income to common stockholders and EPS computations for the periods indicated based on a weighted average number of common stock outstanding for the period:
 
Successor
 
Year Ended December 31,
 
October 11, 2016
through
December 31, 2016
(in thousands, except per share data)
2018
 
2017
Net income (loss) attributable to Class A Common Stock
$
199,899

 
$
75,568

 
$
(8,081
)
Less: Loss allocable to participating securities
—

 
—

 
46

Adjusted net income (loss) attributable to Class A Common Stock
$
199,899

 
$
75,568

 
$
(8,035
)
 
 
 
 
 
 
Basic net earnings (loss) per share of Class A Common Stock
$
0.76

 
$
0.32

 
$
(0.05
)
Diluted net earnings (loss) per share of Class A Common Stock
$
0.75

 
$
0.32

 
$
(0.05
)
 
 
 
 
 
 
Basic weighted average shares outstanding of Class A Common Stock
263,341

 
235,447

 
165,684

Add: Dilutive effect of potential common shares
3,514

 
4,307

 
—

Diluted weighted average shares of outstanding Class A Common Stock
266,855

 
239,754

 
165,684
Summary of Shares Excluded From Diluted Earnings Per Share Calculation
The following shares were excluded from the diluted earnings per share calculation as their impacts were anti-dilutive for the periods presented:
 
For the Successor
 
For the Year Ended December 31,
 
October 11, 2016
through
December 31, 2016
(in thousands)
2018
 
2017
 
Out-of-the-money stock options
818

 
819

 
2,645

Weighted average shares of Class C Common Stock
12,791

 
18,629

 
19,156

Performance stock units
39

 
—

 
—