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Note 3 - Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2015
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | For the three months ended March 31, |
(In thousands, except per share data) |  | 2015 |  |  | 2014 |
Net income, as reported |  | $ | 8,733 |  |  | $ | 10,296 |
Divided by: |  |  |  |  |  |  |  |
Weighted average common shares outstanding |  |  | 29,397 |  |  |  | 29,984 |
Weighted average common stock equivalents |  |  | 22 |  |  |  | 38 |
Total weighted average common shares outstanding and common stock equivalents |  |  | 29,419 |  |  |  | 30,022 |
Basic earnings per common share |  | $ | 0.30 |  |  | $ | 0.34 |
Diluted earnings per common share (1) |  | $ | 0.30 |  |  | $ | 0.34 |
Dividend payout ratio |  |  | 53.3 | % |  |  | 44.1 | %

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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