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Earnings (Loss) per Share | 6 Months Ended
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Jun. 30, 2017
Earnings Per Share [Abstract] |
Earnings (Loss) per Share | Earnings (Loss) per Share As discussed in Note 8, on the Emergence Date, the Predecessor Company’s then-authorized common stock was canceled and the new Common Stock and Warrants were issued. The following table summarizes the calculation of weighted average common shares outstanding used in the computation of diluted earnings (loss) per share:
| Net Income (Loss) |  | Weighted Average Shares |  | Earnings (Loss) Per Share
| (In thousands, except per share amounts)
Three Months Ended June 30, 2017 (Successor) |  |  |  |  |
Basic earnings per share | $ | 23,499 |  |  | 34,076 |  |  | $ | 0.69 |
Effect of dilutive securities |  |  |  |  |
Restricted stock awards | — |  |  | 55 |  |  |
Performance share units | — |  |  | 7 |  |  |
Diluted earnings per share | $ | 23,499 |  |  | 34,138 |  |  | $ | 0.69 |
Three Months Ended June 30, 2016 (Predecessor) |  |  |  |  |
Basic loss per share | $ | (521,351 | ) |  | 718,102 |  |  | $ | (0.73 | )
Effect of dilutive securities |  |  |  |  |
Restricted stock and units(1) | — |  |  | — |  |  |
Diluted loss per share | $ | (521,351 | ) |  | 718,102 |  |  | $ | (0.73 | )
Six Months Ended June 30, 2017 (Successor) |  |  |  |  |
Basic earnings per share | $ | 74,307 |  |  | 30,458 |  |  | $ | 2.44 |
Effect of dilutive securities |  |  |  |  |
Restricted stock awards | — |  |  | 192 |  |  |
Performance share units(2) | — |  |  | — |  |  |
Diluted earnings per share | $ | 74,307 |  |  | 30,650 |  |  | $ | 2.42 |
Six Months Ended June 30, 2016 (Predecessor) |  |  |  |  |
Basic loss per share | $ | (845,458 | ) |  | 703,943 |  |  | $ | (1.20 | )
Effect of dilutive securities |  |  |  |  |
Restricted stock and units(1) | — |  |  | — |  |  |
Diluted loss per share | $ | (845,458 | ) |  | 703,943 |  |  | $ | (1.20 | )
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(1) | No incremental shares of potentially dilutive restricted stock awards or units were included for the three and six-month periods ended June 30, 2016 as their effect was antidilutive under the treasury stock method. See Note 11 for discussion of the Company’s share and incentive-based compensation awards.
(2) No incremental shares of potentially dilutive performance share units were included for the six-month period ended June 30, 2017, as their effect was antidilutive under the treasury stock method. See Note 11 for discussion of the Company’s share and incentive-based compensation awards.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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