Equity and Earnings (Loss) Per Share (Tables)

12 Months Ended

Dec. 31, 2018

Stockholders' Equity Note [Abstract]

Reconciliation of Numerators and Denominators of Basic and Diluted Earnings (Loss) Per Share Computation

The following is a reconciliation of the numerators and denominators of the basic and diluted earnings (loss) per share computations shown on the consolidated statements of comprehensive income (loss) (in thousands):

	Successor			Predecessor
	For the Period From February 10, 2018 Through December 31, 2018			For the Period From January 1, 2018 Through February 9, 2018		For the Year Ended   December 31, 2017
Numerator for basic and diluted earnings (loss) per share
Net income (loss) available to common stockholders (numerator)	$	(205,094	)	$	521,007	$	(426,899	)
Denominator
Weighted-average common shares outstanding (basic denominator)	4,891			37,374		36,761
Effect of dilutive securities:
RSUs	—			50		—
Weighted-average common shares outstanding (dilutive denominator)	4,891			37,424		36,761

Schedule of Antidilutive Securities Excluded from Computation of Dilutive Earnings Per Share

The following table summarizes securities that could potentially dilute earnings per share in the future but have been excluded from the computation of dilutive earnings per share in the periods that the Company has earnings (in thousands):

	Successor	Predecessor
	For the Period From February 10, 2018 Through December 31, 2018	For the Period From January 1, 2018 Through February 9, 2018	For the Year Ended   December 31, 2017
Outstanding share-based compensation awards
Stock options (1)	—	3,533	3,533
RSUs	—	327	327
Performance shares	151	—	—
Assumed conversion of Convertible Notes	—	4,932	4,932
Outstanding Series A and B Warrants	12,994	—	—

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(1) All antidilutive stock options were out-of-the-money at February 9, 2018 and December 31, 2017. There were no stock options granted during the period from February 10, 2018 through December 31, 2018.