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Net Income Per Common Share | 9 Months Ended
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Sep. 30, 2022
Earnings Per Share [Abstract] |
Net Income Per Common Share | (10) NET INCOME PER COMMON SHARE Basic and diluted net income per common share are calculated as follows:
|  | Income (Numerator) |  |  | Shares (Denominator) |  |  | Per Share Amount |
|  | (Dollars in thousands, except per share data) |
Three Months Ended September 30, 2022 |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 55,352 |  |  |  | 32,825,931 |  |  | $ | 1.69 |
Dilutive effect of stock options |  |  | — |  |  |  | 710,627 |  |  |  |
Diluted |  |  |  |  |  |  |  |  |
Income available to common stockholders plus assumed exercises of stock options |  | $ | 55,352 |  |  |  | 33,536,558 |  |  | $ | 1.65 |
Three Months Ended September 30, 2021 |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 38,750 |  |  |  | 32,744,104 |  |  | $ | 1.18 |
Dilutive effect of stock options |  |  | — |  |  |  | 523,851 |  |  |  |
Diluted |  |  |  |  |  |  |  |  |
Income available to common stockholders plus assumed exercises of stock options |  | $ | 38,750 |  |  |  | 33,267,955 |  |  | $ | 1.16 |
Nine Months Ended September 30, 2022 |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 135,974 |  |  |  | 32,748,116 |  |  | $ | 4.15 |
Dilutive effect of stock options |  |  | — |  |  |  | 681,045 |  |  |  |
Diluted |  |  |  |  |  |  |  |  |
Income available to common stockholders plus assumed exercises of stock options |  | $ | 135,974 |  |  |  | 33,429,161 |  |  | $ | 4.07 |
Nine Months Ended September 30, 2021 |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 129,462 |  |  |  | 32,760,015 |  |  | $ | 3.95 |
Dilutive effect of stock options |  |  | — |  |  |  | 598,822 |  |  |  |
Diluted |  |  |  |  |  |  |  |  |
Income available to common stockholders plus assumed exercises of stock options |  | $ | 129,462 |  |  |  | 33,358,837 |  |  | $ | 3.88 |
The following table shows the number of options that were excluded from the computation of diluted net income per common share for each period because the options were anti-dilutive for the period:
|  | Shares |
Three Months Ended September 30, 2022 |  |  | 184,707 |
Three Months Ended September 30, 2021 |  |  | 533,701 |
Nine Months Ended September 30, 2022 |  |  | 149,669 |
Nine Months Ended September 30, 2021 |  |  | 161,690 |

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