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Net Income Per Common Share | 3 Months Ended
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Mar. 31, 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 March 31, 2023 |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 57,533 |  |  |  | 32,892,857 |  |  | $ | 1.75 |
Dilutive effect of stock options |  |  | — |  |  |  | 569,882 |  |  |  |
Diluted |  |  |  |  |  |  |  |  |
Income available to common stockholders plus assumed exercises of stock options |  | $ | 57,533 |  |  |  | 33,462,739 |  |  | $ | 1.72 |
Three Months Ended March 31, 2022 |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 35,915 |  |  |  | 32,666,916 |  |  | $ | 1.10 |
Dilutive effect of stock options |  |  | — |  |  |  | 648,417 |  |  |  |
Diluted |  |  |  |  |  |  |  |  |
Income available to common stockholders plus assumed exercises of stock options |  | $ | 35,915 |  |  |  | 33,315,333 |  |  | $ | 1.08 |
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 March 31, 2023 |  |  | 309,833 |
Three Months Ended March 31, 2022 |  |  | 105,278 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI https://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257 + Details
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