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Earnings per Share | 3 Months Ended
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Mar. 31, 2017
Earnings Per Share [Abstract] |
Earnings Per Share | Earnings per Share Net income is divided by the weighted average number of common shares outstanding during the period to calculate basic earnings per share. Diluted earnings per share is calculated to give effect to stock options and restricted share awards. The following table summarizes the dilutive effect of restricted shares and options to purchase common stock for the three months ended March 31, 2017 and 2016:
|  | Three months ended March 31,
|  | 2017 |  | 2016
Weighted average common shares—basic |  | 45,570,495 |  |  | 45,278,990 |
Dilutive effect of restricted share awards |  | 283,839 |  |  | 286,189 |
Dilutive effect of stock options |  | 54,624 |  |  | 89,637 |
Weighted average common shares—diluted |  | 45,908,958 |  |  | 45,654,816 |

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