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Net Income (Loss) Per Share (Tables) | 6 Months Ended
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Jun. 30, 2018
Earnings Per Share [Abstract] |
Summary of Basic and Diluted Earnings Per Share | The table below presents the computation of basic and diluted EPS:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
| (in thousands, except per share amounts)
Numerator: |  |  |  |  |  |  |
Net income (loss) | $ | (14,422 | ) |  | $ | 10,965 |  |  | $ | (12,575 | ) |  | $ | 19,428 |
Denominator: |  |  |  |  |  |  |
Weighted average common shares outstanding—basic | 68,335 |  |  | 65,889 |  |  | 68,008 |  |  | 65,564 |
Dilutive common stock equivalents | — |  |  | 3,756 |  |  | — |  |  | 3,834 |
Weighted average common shares outstanding—diluted | 68,335 |  |  | 69,645 |  |  | 68,008 |  |  | 69,398 |
Net income (loss) per share: |  |  |  |  |  |  |
Basic | $ | (0.21 | ) |  | $ | 0.17 |  |  | $ | (0.18 | ) |  | $ | 0.30 |
Diluted | $ | (0.21 | ) |  | $ | 0.16 |  |  | $ | (0.18 | ) |  | $ | 0.28 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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