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Net Income Per Share | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Net Income Per Share | NET INCOME PER SHARE Basic net income per share is computed by dividing net income by the weighted-average shares outstanding during the reporting period. Diluted net income per share is computed by dividing net income by the combination of the weighted-average shares outstanding during the reporting period and all potentially dilutive common shares. Potentially dilutive common shares include stock options and RSAs issued under the Corporation's share-based compensation plans. Potentially dilutive common shares are excluded from the computation of diluted earnings per share in the periods where the effect would be antidilutive. The following table reconciles basic and diluted net income per share for the years indicated:
| 2021 |  | 2020 |  | 2019
|  |  | Weighted-Average Shares |  |  |  |  |  | Weighted-Average Shares |  |  |  |  |  | Weighted-Average Shares |  |
Basic net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common stockholders | $ | 205,531 |  |  | 53,783,632 |  |  | $ | 3.82 |  |  | $ | 148,600 |  |  | 54,058,471 |  |  | $ | 2.75 |  |  | $ | 164,460 |  |  | 51,412,133 |  |  | $ | 3.20 |
Effect of dilutive stock options and restricted stock awards |  |  | 200,597 |  |  |  |  |  |  | 161,913 |  |  |  |  |  |  | 149,105 |  |  |
Diluted net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common stockholders | $ | 205,531 |  |  | 53,984,229 |  |  | $ | 3.81 |  |  | $ | 148,600 |  |  | 54,220,384 |  |  | $ | 2.74 |  |  | $ | 164,460 |  |  | 51,561,238 |  |  | $ | 3.19 |
As of December 31, 2021, 2020 and 2019, there were no stock options with an option price greater than the average market price of the common shares.

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