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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2014
Earnings Per Share [Abstract] |
Calculation of Weighted Average Common Shares Outstanding used in Computation of Diluted Earnings Per Share | The following table summarizes the calculation of weighted average common shares outstanding used in the computation of diluted earnings per share, for the years ended December 31, 2014, 2013 and 2012 (in thousands):
| Income (Loss) |  | Weighted Average Shares |  | Earnings (Loss) Per Share
| (In thousands, except per share amounts)
Year Ended December 31, 2014 |  |  |  |  |
Basic earnings per share | $ | 203,260 |  |  | 479,644 |  |  | $ | 0.42 |
Effect of dilutive securities |  |  |  |  |
Restricted stock | — |  |  | 2,181 |  |  |
Convertible preferred stock(1) | 6,500 |  |  | 17,918 |  |  |
Diluted earnings per share | $ | 209,760 |  |  | 499,743 |  |  | $ | 0.42 |
Year Ended December 31, 2013 |  |  |  |  |
Basic loss per share | $ | (609,414 | ) |  | 481,148 |  |  | $ | (1.27 | )
Effect of dilutive securities |  |  |  |  |
Restricted stock(2) | — |  |  | — |  |  |
Convertible preferred stock(3) | — |  |  | — |  |  |
Diluted loss per share | $ | (609,414 | ) |  | 481,148 |  |  | $ | (1.27 | )
Year Ended December 31, 2012 |  |  |  |  |
Basic earnings per share | $ | 86,046 |  |  | 453,595 |  |  | $ | 0.19 |
Effect of dilutive securities |  |  |  |  |
Restricted stock | — |  |  | 2,420 |  |  |
Convertible preferred stock(3) | — |  |  | — |  |  |
Diluted earnings per share | $ | 86,046 |  |  | 456,015 |  |  | $ | 0.19 |
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(1) | Potential common shares related to the Company’s outstanding 8.5% and 7.0% convertible perpetual preferred stock covering 71.7 million shares for the year ended December 31, 2014 were excluded from the computation of earnings per share because their effect would have been antidilutive under the if-converted method.
(2) | Restricted stock awards covering 0.5 million shares were excluded from the computation of loss per share because their effect would have been antidilutive.
(3) | Potential common shares related to the Company’s outstanding 8.5%, 6.0% and 7.0% convertible perpetual preferred stock covering 90.1 million shares for the years ended December 31, 2013 and 2012, were excluded from the computation of earnings (loss) per share because their effect would have been antidilutive under the if-converted method.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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