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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2019
Basic and Diluted Weighted Average Shares Outstanding | Basic and diluted weighted average shares outstanding were as follows:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
|  | (Amounts in thousands, except per share data) |
Net income |  | $ | 8,095 |  |  | $ | 2,738 |  |  | $ | 16,148 |  |  | $ | 6,185 |
Weighted average shares used in computing net income per share - basic |  |  | 46,367 |  |  |  | 43,743 |  |  |  | 45,174 |  |  |  | 43,683 |
Effect of dilutive shares: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options and restricted stock awards |  |  | 791 |  |  |  | 481 |  |  |  | 760 |  |  |  | 434 |
Convertible senior notes |  |  | 1,898 |  |  |  | 792 |  |  |  | 1,758 |  |  |  | 578 |
Dilutive potential common shares |  |  | 2,689 |  |  |  | 1,273 |  |  |  | 2,518 |  |  |  | 1,012 |
Weighted average shares used in computing net income per share - diluted |  |  | 49,056 |  |  |  | 45,016 |  |  |  | 47,692 |  |  |  | 44,695 |
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.17 |  |  | $ | 0.06 |  |  | $ | 0.36 |  |  | $ | 0.14 |
Diluted |  | $ | 0.17 |  |  | $ | 0.06 |  |  | $ | 0.34 |  |  | $ | 0.14 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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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Namespace Prefix: | us-gaap_
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Balance Type: | na
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