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Earnings Per Share | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Earnings Per Share | 14. Earnings Per Share The Company provides a dual presentation of its net income (loss) per common share in its consolidated statements of operations: basic net income (loss) per common share (“Basic EPS”) and diluted net income (loss) per common share (“Diluted EPS”). Basic EPS excludes dilution and is computed by first allocating earnings between common stockholders and holders of non-vested shares of restricted stock. Basic EPS is then determined by dividing the earnings attributable to common stockholders by the weighted average number of common shares outstanding during the period, excluding non-vested shares of restricted stock. Diluted EPS is based on the weighted average number of common shares outstanding plus the dilutive effect of potential common shares, including stock options, non-vested shares of restricted stock, performance units and restricted stock units. The dilutive effect of stock options, performance units and restricted stock units is determined using the treasury stock method. The dilutive effect of non-vested shares of restricted stock is based on the more dilutive of the treasury stock method or the two-class method, assuming a reallocation of undistributed earnings to common stockholders after considering the dilutive effect of potential common shares other than non-vested shares of restricted stock. The following table presents information necessary to calculate net income (loss) per share for the years ended December 31, 2018, 2017 and 2016, as well as potentially dilutive securities excluded from the weighted average number of diluted common shares outstanding because their inclusion would have been anti-dilutive (in thousands, except per share amounts):
|  | 2018 |  |  | 2017 |  |  | 2016 |
BASIC EPS: |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | (321,421 | ) |  | $ | 5,910 |  |  | $ | (318,634 | )
Adjust for (income) loss attributed to holders of non-vested restricted stock |  |  | — |  |  |  | (170 | ) |  |  | — |
Income (loss) attributed to common stockholders |  | $ | (321,421 | ) |  | $ | 5,740 |  |  | $ | (318,634 | )
Weighted average number of common shares outstanding, excluding non-vested shares of restricted stock |  |  | 218,643 |  |  |  | 198,447 |  |  |  | 146,178 |
Basic net income (loss) per common share |  | $ | (1.47 | ) |  | $ | 0.03 |  |  | $ | (2.18 | )
DILUTED EPS: |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) attributed to common stockholders |  | $ | (321,421 | ) |  | $ | 5,740 |  |  | $ | (318,634 | )
Weighted average number of common shares outstanding, excluding non-vested shares of restricted stock |  |  | 218,643 |  |  |  | 198,447 |  |  |  | 146,178 |
Add dilutive effect of potential common shares |  |  | — |  |  |  | 1,435 |  |  |  | — |
Weighted average number of diluted common shares outstanding |  |  | 218,643 |  |  |  | 199,882 |  |  |  | 146,178 |
Diluted net income (loss) per common share |  | $ | (1.47 | ) |  | $ | 0.03 |  |  | $ | (2.18 | )
Potentially dilutive securities excluded as anti-dilutive |  |  | 9,762 |  |  |  | 3,289 |  |  |  | 9,057 |

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