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Net Income Per Share (Tables) | 3 Months Ended
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Mar. 31, 2016
Earnings Per Share [Abstract] |
Reconciliation of Common Shares Used for Basic and Diluted Earnings Per Share | The following table provides a reconciliation of the common shares used for basic net income per share to the diluted shares used for diluted net income per share:
| Three Months Ended March 31,
| 2016 |  | 2015
Basic weighted average shares outstanding | 45,176,978 |  |  | 45,156,202 |
Effect of potential dilutive shares: |  |  |
Warrants | — |  |  | 1,751,798 |
Stock options | — |  |  | 12,841 |
Restricted stock units | 56,902 |  |  | 25,013 |
Performance stock units | 10,117 |  |  | 3,145 |
Diluted weighted average shares outstanding | 45,243,997 |  |  | 46,948,999 |

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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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