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Earnings Per Common Share (Tables) | 6 Months Ended
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Jun. 30, 2025
Earnings Per Share [Abstract] |
Computation of Earnings Per Common Share | A summary of the information used in the computation of earnings per common share follows.
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
($ in thousands, except per share data) |  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income to common shareholders |  | $ | 113,531 |  |  | $ | 114,557 |  |  | $ | 233,035 |  |  | $ | 223,169 |
Net income allocated to participating securities - basic and diluted |  |  | 486 |  |  |  | 810 |  |  |  | 1,007 |  |  |  | 1,594 |
Net income allocated to common shareholders - basic and diluted |  | $ | 113,045 |  |  | $ | 113,747 |  |  | $ | 232,028 |  |  | $ | 221,575 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common shares - basic |  |  | 85,577 |  |  |  | 86,510 |  |  | $ | 85,833 |  |  | $ | 86,515 |
Dilutive potential common shares |  |  | 366 |  |  |  | 255 |  |  |  | 370 |  |  |  | 253 |
Weighted-average common shares - diluted |  |  | 85,943 |  |  |  | 86,765 |  |  | $ | 86,203 |  |  | $ | 86,768 |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 1.32 |  |  | $ | 1.31 |  |  | $ | 2.70 |  |  | $ | 2.56 |
Diluted |  | $ | 1.32 |  |  | $ | 1.31 |  |  | $ | 2.69 |  |  | $ | 2.55 |

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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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