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Net Income Per Common Share | 3 Months Ended
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Mar. 31, 2022
Net Income Per Common Share |
Net Income Per Common Share | (4) Net Income Per Common Share Basic net income per common share (“Basic EPS”) excludes dilution and is computed by dividing net income by the weighted average number of common shares outstanding during the period. Diluted net income per common share (“Diluted EPS”) reflects the potential dilution that could occur if stock options or other contracts to issue common stock were exercised or converted into common stock. The computation of Diluted EPS does not assume exercise or conversion of securities that would have an anti-dilutive effect on net income per common share. During the three months ended March 31, 2022, 361,000 performance shares (at target performance) were excluded from the computation of Diluted EPS since the Company had not achieved the minimum target thresholds as of March 31, 2022. During the three months ended March 31, 2021, 295,000 performance shares (at target performance) were excluded from the computation of Diluted EPS since the Company had not achieved the minimum target thresholds as of March 31, 2021. During the three months ended March 31, 2022, warrants to purchase 125,000 and 78,000 shares of common stock at $40.41 and $57.47 per share, respectively, were excluded from the computation of Diluted EPS since the warrants' exercise prices were greater than the average market price of the common shares during the quarter ended March 31, 2022. The calculation of the weighted average number of shares of common stock outstanding for Basic EPS and Diluted EPS for the periods indicated (in thousands, except per share data) is as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended
​ | ​ | March 31,
​ | ​ | 2022 | ​ | 2021
Numerator: |  | ​ |  |  | ​ |
Net income | ​ | $ | 17,734 | ​ | $ | 35,900
Denominator: | ​ | ​ | ​ | ​ | ​ | ​
Basic earnings per share weighted average shares | ​ |  | 50,480 | ​ |  | 50,286
Dilution due to stock options and restricted stock units | ​ |  | 228 | ​ |  | 441
Diluted earnings per share weighted average shares | ​ |  | 50,708 | ​ |  | 50,727
​ | ​ | ​ | ​ | ​ | ​ | ​
Basic earnings per share | ​ | $ | 0.35 | ​ | $ | 0.71
Diluted earnings per share | ​ | $ | 0.35 | ​ | $ | 0.71
​

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