Annual report pursuant to Section 13 and 15(d)

Components of Calculation of Basic and Diluted Earnings Per Share (Detail)

v3.10.0.1
Components of Calculation of Basic and Diluted Earnings Per Share (Detail) - USD ($)
shares in Thousands, $ in Thousands
4 Months Ended 8 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 12, 2016
Dec. 31, 2018
Dec. 31, 2017
Successor [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Net income (loss) $ (5,296)   $ 224,785 $ 32,662
Less: Preferred stock dividends 0   0 0
Net loss attributable to common shareholders $ (5,296)   $ 224,785 $ 32,662
Weighted-average shares – basic 14,992   15,059 14,996
Effect of dilutive securities 0 [1]   233 67
Weighted-average shares – diluted 14,992   15,292 15,063
Predecessor [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Net income (loss)   $ 1,054,602    
Less: Preferred stock dividends   (5,972)    
Net loss attributable to common shareholders   $ 1,048,630    
Weighted-average shares – basic   88,013    
Effect of dilutive securities   36,074    
Weighted-average shares – diluted   124,087    
Potentially dilutive securities with the effect of being anti-dilutive excluded from the calculation of diluted earnings per common share 100      
[1] For the period from September 13, 2016 through December 31, 2016, less than 0.1 million potentially dilutive securities, represented by RSUs, had the effect of being anti-dilutive and were excluded from the calculation of diluted earnings per common share.