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Earnings Per Common Share and Stockholders' Equity (Tables) | 9 Months Ended
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Sep. 30, 2023
Earnings Per Share [Abstract] |
Schedule of Earnings Per Common Share, Basic and Diluted | The following table sets forth the computation of earnings per common share and earnings per common share - assuming dilution:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2023 |  | 2022 |  | 2023 |  | 2022
| (Dollars in thousands, except per share data)
Numerator: |  |  |  |  |  |  |
Net income available to common stockholders - numerator for earnings per common share | $ | 465,238 |  |  | $ | 433,971 |  |  | $ | 642,769 |  |  | $ | 1,854,891 |
Denominator: |  |  |  |  |  |  |
Weighted average common shares outstanding | 78,033,828 |  |  | 87,707,426 |  |  | 79,719,497 |  |  | 92,338,919 |
Effect of dilutive securities: |  |  |  |  |  |  |
Stock options and deferred compensation agreements | 702,387 |  |  | 452,321 |  |  | 599,809 |  |  | 517,490 |
Restricted stock and restricted stock units | 1,215,929 |  |  | 421,391 |  |  | 871,466 |  |  | 413,106 |
Denominator for earnings per common share - assuming dilution | 79,952,144 |  |  | 88,581,138 |  |  | 81,190,772 |  |  | 93,269,515 |
Earnings per common share | $ | 5.96 |  |  | $ | 4.95 |  |  | $ | 8.06 |  |  | $ | 20.09 |
Earnings per common share - assuming dilution | $ | 5.82 |  |  | $ | 4.90 |  |  | $ | 7.92 |  |  | $ | 19.89 |

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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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