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Earnings Per Common Share and Stockholders' Equity (Tables) | 6 Months Ended
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Jun. 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 June 30, |  | Six Months Ended June 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 | $ | 344,444 |  |  | $ | 752,374 |  |  | $ | 177,531 |  |  | $ | 1,420,920 |
Denominator: |  |  |  |  |  |  |
Weighted average common shares outstanding | 77,766,851 |  |  | 92,543,850 |  |  | 80,576,301 |  |  | 94,693,048 |
Effect of dilutive securities: |  |  |  |  |  |  |
Stock options and deferred compensation agreements | 499,921 |  |  | 487,883 |  |  | 548,520 |  |  | 550,073 |
Restricted stock and restricted stock units | 661,186 |  |  | 343,005 |  |  | 699,235 |  |  | 408,964 |
Denominator for earnings per common share - assuming dilution | 78,927,958 |  |  | 93,374,738 |  |  | 81,824,056 |  |  | 95,652,085 |
Earnings per common share | $ | 4.43 |  |  | $ | 8.13 |  |  | $ | 2.20 |  |  | $ | 15.01 |
Earnings per common share - assuming dilution | $ | 4.36 |  |  | $ | 8.06 |  |  | $ | 2.17 |  |  | $ | 14.86 |

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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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