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Net Income Per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2023
Earnings Per Share [Abstract] |
Basic and Diluted Net Income Per Common Share | Basic and diluted net income per common share are calculated as follows:
|  | Year ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
|  | (Dollars in thousands, except per share data) |
(Numerator) |  |  |  |  |  |  |  |  |
Income available to common stockholders |  | $ | 212,465 |  |  | $ | 193,100 |  |  | $ | 167,630 |
(Denominator) |  |  |  |  |  |  |  |  |
Weighted-average shares outstanding for basic earnings per common share |  |  | 32,919,348 |  |  |  | 32,778,355 |  |  |  | 32,716,099 |
Dilutive effect of stock compensation |  |  | 575,139 |  |  |  | 661,141 |  |  |  | 598,047 |
Weighted-average shares outstanding for diluted earnings per common share |  |  | 33,494,487 |  |  |  | 33,439,496 |  |  |  | 33,314,146 |
Basic earnings per share |  | $ | 6.45 |  |  | $ | 5.89 |  |  | $ | 5.12 |
Diluted earnings per share |  | $ | 6.34 |  |  | $ | 5.77 |  |  | $ | 5.03 |
Average Exercise Price of Options And RSUs Excluded from Computation of Diluted Net Income Per Common Share | The following table shows the number of options and RSU's that were excluded from the computation of diluted net income per common share for each period because they were anti-dilutive for the period:
|  | Shares |
December 31, 2023 |  |  | 280,150 |
December 31, 2022 |  |  | 155,316 |
December 31, 2021 |  |  | 189,780 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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