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Note 2 - Earnings Per Common Share (Tables) | 6 Months Ended
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Jun. 30, 2023
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
(dollars in thousands, except for per share data) |  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Net income available to common stockholders |  | $ | 19,885 |  |  | $ | 30,849 |  |  | $ | 43,305 |  |  | $ | 60,721 |
Earnings allocated to participating securities |  |  | (53 | ) |  |  | (70 | ) |  |  | (98 | ) |  |  | (150 | )
Income attributable to common stock |  | $ | 19,832 |  |  | $ | 30,779 |  |  | $ | 43,207 |  |  | $ | 60,571 |
Weighted average common shares outstanding, including participating securities |  |  | 39,078 |  |  |  | 39,379 |  |  |  | 39,127 |  |  |  | 39,469 |
Weighted average participating securities |  |  | (104 | ) |  |  | (89 | ) |  |  | (88 | ) |  |  | (98 | )
Weighted average common shares outstanding |  |  | 38,974 |  |  |  | 39,290 |  |  |  | 39,039 |  |  |  | 39,371 |
Incremental shares from assumed conversions of options, performance units and restricted shares |  |  | 43 |  |  |  | 176 |  |  |  | 135 |  |  |  | 225 |
Weighted average common and equivalent shares outstanding |  |  | 39,017 |  |  |  | 39,466 |  |  |  | 39,174 |  |  |  | 39,596 |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.51 |  |  | $ | 0.78 |  |  | $ | 1.11 |  |  | $ | 1.54 |
Diluted |  |  | 0.51 |  |  |  | 0.78 |  |  |  | 1.10 |  |  |  | 1.53 |

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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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