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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2023
Earnings Per Share [Abstract] |
Schedule of Reconciliation of Earnings Per Share |
($ in thousands, except per share amounts) |  | 2023 |  | 2022 |  | 2021
Net income available to common stockholders: |  | $ | 356,038 |  |  | 215,686 |  |  | 394,484 |
Weighted average common shares outstanding: |  |  |  |  |  |
Weighted average common shares outstanding - basic |  | 60,631 |  | 60,407 |  | 60,183
Effect of dilutive securities - stock compensation plans |  | 338 |  | 468 |  | 484
Weighted average common shares outstanding - diluted |  | 60,969 |  | 60,875 |  | 60,667
EPS: |  |  |  |  |  |
Basic |  | $ | 5.87 |  |  | 3.57 |  |  | 6.55 |
Diluted |  | 5.84 |  |  | 3.54 |  |  | 6.50 |

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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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