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Note 9 - Net Income Per Common Share | 9 Months Ended
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Sep. 30, 2016
Notes to Financial Statements |
Earnings Per Share [Text Block] | Note 9 . Net Income per Common Share The calculation of net income per common share for the three and nine months ended September 30, 2016 and 2015 was as follows.
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
(dollars and shares in thousands, except per share data) |  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Basic: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common shareholders |  | $ | 24,523 |  |  | $ | 21,283 |  |  | $ | 71,990 |  |  | $ | 61,280 |
Average common shares outstanding |  |  | 33,591 |  |  |  | 33,401 |  |  |  | 33,566 |  |  |  | 32,625 |
Basic net income per common share |  | $ | 0.73 |  |  | $ | 0.64 |  |  | $ | 2.14 |  |  | $ | 1.88 |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common shareholders |  | $ | 24,523 |  |  | $ | 21,283 |  |  | $ | 71,990 |  |  | $ | 61,280 |
Average common shares outstanding |  |  | 33,591 |  |  |  | 33,401 |  |  |  | 33,566 |  |  |  | 32,625 |
Adjustment for common share equivalents |  |  | 598 |  |  |  | 625 |  |  |  | 596 |  |  |  | 653 |
Average common shares outstanding-diluted |  |  | 34,189 |  |  |  | 34,026 |  |  |  | 34,162 |  |  |  | 33,278 |
Diluted net income per common share |  | $ | 0.72 |  |  | $ | 0.63 |  |  | $ | 2.11 |  |  | $ | 1.84 |
Anti-dilutive shares |  |  | 8.0 |  |  |  | - |  |  |  | 8.0 |  |  |  | 11.0 |

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