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Net Income Per Common Share | 6 Months Ended
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Jun. 30, 2023
Earnings Per Share [Abstract] |
Net Income Per Common Share | (9) 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 June 30, 2023 |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 55,010 |  |  |  | 32,920,497 |  |  | $ | 1.67 |
Dilutive effect of stock options |  |  | — |  |  |  | 546,757 |  |  |  |
Diluted |  |  |  |  |  |  |  |  |
Income available to common stockholders plus assumed exercises of stock options |  | $ | 55,010 |  |  |  | 33,467,254 |  |  | $ | 1.64 |
Three Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 44,707 |  |  |  | 32,749,752 |  |  | $ | 1.36 |
Dilutive effect of stock options |  |  | — |  |  |  | 668,730 |  |  |  |
Diluted |  |  |  |  |  |  |  |  |
Income available to common stockholders plus assumed exercises of stock options |  | $ | 44,707 |  |  |  | 33,418,482 |  |  | $ | 1.34 |
Six Months Ended June 30, 2023 |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 112,543 |  |  |  | 32,906,753 |  |  | $ | 3.42 |
Dilutive effect of stock options |  |  | — |  |  |  | 559,178 |  |  |  |
Diluted |  |  |  |  |  |  |  |  |
Income available to common stockholders plus assumed exercises of stock options |  | $ | 112,543 |  |  |  | 33,465,931 |  |  | $ | 3.36 |
Six Months Ended June 30, 2022 |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 80,622 |  |  |  | 32,708,563 |  |  | $ | 2.46 |
Dilutive effect of stock options |  |  | — |  |  |  | 658,236 |  |  |  |
Diluted |  |  |  |  |  |  |  |  |
Income available to common stockholders plus assumed exercises of stock options |  | $ | 80,622 |  |  |  | 33,366,799 |  |  | $ | 2.42 |
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 June 30, 2023 |  |  | 305,407 |
Three Months Ended June 30, 2022 |  |  | 122,489 |
Six Months Ended June 30, 2023 |  |  | 307,608 |
Six Months Ended June 30, 2022 |  |  | 131,779 |

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