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Note 3 - Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2017
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | For the three months ended |  | For the six months ended
|  | June 30, |  | June 30,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
|  | (In thousands, except per share data)
Net income, as reported |  | $ | 12,725 |  |  | $ | 30,435 |  |  | $ | 24,985 |  |  | $ | 39,996 |
Divided by: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding |  |  | 29,135 |  |  |  | 29,022 |  |  |  | 29,077 |  |  |  | 29,059 |
Weighted average common stock equivalents |  |  | 1 |  |  |  | 12 |  |  |  | 3 |  |  |  | 14 |
Total weighted average common shares outstanding and common stock equivalents |  |  | 29,136 |  |  |  | 29,034 |  |  |  | 29,080 |  |  |  | 29,073 |
Basic earnings per common share |  | $ | 0.44 |  |  | $ | 1.05 |  |  | $ | 0.86 |  |  | $ | 1.38 |
Diluted earnings per common share (1) |  | $ | 0.44 |  |  | $ | 1.05 |  |  | $ | 0.86 |  |  | $ | 1.38 |
Dividend payout ratio |  |  | 40.9 | % |  |  | 16.2 | % |  |  | 41.9 | % |  |  | 24.6 | %

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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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