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Weighted Average Common Shares (Tables) | 3 Months Ended
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Mar. 31, 2018
Earnings Per Share [Abstract] |
Summary of Weighted Average Numbers of Common Shares Used to Compute Basic and Diluted Net Income Per Share | The weighted average number of common shares used to compute basic and diluted net income per share for the quarters ended March 31, 2018 and 2017 were as follows:
| For the Quarter Ended March 31, |
| 2018 |  |  | 2017 |
Basic common shares outstanding |  | 69,216 |  |  |  | 68,578 |
Common stock equivalents |  | 1,903 |  |  |  | 1,741 |
Diluted common shares outstanding |  | 71,119 |  |  |  | 70,319 |

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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://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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