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Earnings per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2016
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | Earnings per common share have been computed as follows:
| Three Months Ended |  | Nine Months Ended
| September 30, |  | September 30,
(in thousands, except per share amounts) | 2016 |  | 2015 |  | 2016 |  | 2015
Net income | $ | 11,856 |  | $ | 10,842 |  |  | $ | 33,106 |  |  | $ | 31,743 |
Preferred stock dividends |  | - |  |  | (28 | ) |  |  | (22 | ) |  |  | (84 | )
Net income available to common stockholders | $ | 11,856 |  | $ | 10,814 |  |  | $ | 33,084 |  |  | $ | 31,659 |
Basic weighted average common shares outstanding |  | 30,125 |  |  | 30,046 |  |  |  | 30,100 |  |  |  | 29,786 |
Effect of dilutive options (1) |  | 276 |  |  | 290 |  |  |  | 276 |  |  |  | 537 |
Diluted weighted average common shares outstanding (2) |  | 30,401 |  |  | 30,336 |  |  |  | 30,376 |  |  |  | 30,323 |
Earnings per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic | $ | 0.39 |  | $ | 0.36 |  |  | $ | 1.10 |  |  | $ | 1.06 |
Diluted |  | 0.39 |  |  | 0.36 |  |  |  | 1.09 |  |  |  | 1.04 |
(1) | Represents incremental shares computed using the treasury stock method.
(2) | Anti-dilutive shares are not included in determining diluted earnings per share. There were no anti-dilutive shares in

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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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