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EARNINGS (LOSS) PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2017
Earnings Per Share [Abstract] |
Reconciliation of Basic and Diluted Earnings Per Share Computations | The following are computations of basic and diluted earnings (loss) per share (in thousands except for per share amounts):
| Years Ended December 31,
| 2017 |  | 2016 |  | 2015
Numerator for basic and diluted earnings (loss) per share: |  |  |  |  |
Net income (loss) | $ | 100,739 |  |  | $ | (39,873 | ) |  | $ | 44,102 |
Denominator: |  |  |  |  |
Weighted basic shares outstanding | 57,072 |  |  | 57,532 |  |  | 58,324 |
Dilutive effect of equity-based compensation awards | 128 |  |  | — |  |  | 110 |
Weighted dilutive shares outstanding | 57,200 |  |  | 57,532 |  |  | 58,434 |
Basic earnings (loss) per share | $ | 1.77 |  |  | $ | (0.69 | ) |  | $ | 0.76 |
Diluted earnings (loss) per share | $ | 1.76 |  |  | $ | (0.69 | ) |  | $ | 0.76 |

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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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