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Note 3 - Earnings Per Common Share (Tables) | 6 Months Ended
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Jun. 30, 2025
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
|  | (In Thousands, Except Shares and Per Share Data) |
Earnings per common share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding |  |  | 54,610,516 |  |  |  | 54,516,638 |  |  |  | 54,603,086 |  |  |  | 54,503,829 |
Net income available to common stockholders |  | $ | 61,393 |  |  | $ | 52,105 |  |  | $ | 124,617 |  |  | $ | 102,131 |
Basic earnings per common share |  | $ | 1.12 |  |  | $ | 0.96 |  |  | $ | 2.28 |  |  | $ | 1.87 |
Weighted average common shares outstanding |  |  | 54,610,516 |  |  |  | 54,516,638 |  |  |  | 54,603,086 |  |  |  | 54,503,829 |
Dilutive effects of assumed exercise of stock options and vesting of performance shares |  |  | 53,964 |  |  |  | 92,041 |  |  |  | 57,491 |  |  |  | 98,203 |
Weighted average common and dilutive potential common shares outstanding |  |  | 54,664,480 |  |  |  | 54,608,679 |  |  |  | 54,660,577 |  |  |  | 54,602,032 |
Net income available to common stockholders |  | $ | 61,393 |  |  | $ | 52,105 |  |  | $ | 124,617 |  |  | $ | 102,131 |
Diluted earnings per common share |  | $ | 1.12 |  |  | $ | 0.95 |  |  | $ | 2.28 |  |  | $ | 1.87 |

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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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