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Note 2 - Earnings Per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Years Ended December 31, |
|  | 2022 |  |  | 2021 |  |  | 2020 |
|  | (in thousands, except per share amounts) |
Net income available to common stockholders |  | $ | 119,174 |  |  | $ | 128,636 |  |  | $ | 71,289 |
Earnings allocated to participating securities |  |  | (287 | ) |  |  | (313 | ) |  |  | (356 | )
Income attributable to common stock |  | $ | 118,887 |  |  | $ | 128,323 |  |  | $ | 70,933 |
Weighted average common shares outstanding, including participating securities |  |  | 39,355 |  |  |  | 39,723 |  |  |  | 39,643 |
Weighted average participating securities |  |  | (95 | ) |  |  | (97 | ) |  |  | (131 | )
Weighted average common shares outstanding |  |  | 39,260 |  |  |  | 39,626 |  |  |  | 39,512 |
Incremental shares from assumed conversions of options, deferred stock units, performance units and restricted stock |  |  | 216 |  |  |  | 260 |  |  |  | 132 |
Weighted average common and equivalent shares outstanding |  |  | 39,476 |  |  |  | 39,886 |  |  |  | 39,644 |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 3.03 |  |  | $ | 3.24 |  |  | $ | 1.80 |
Diluted |  |  | 3.01 |  |  |  | 3.22 |  |  |  | 1.79 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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