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Earnings Per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2014
Earnings Per Common Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | 2014 |  | 2013 |  | 2012
Numerator for basic and diluted earnings per common share - |  |  |  |  |  |
Income available to common stockholders: |  |  |  |  |  |
Income from continuing operations | $ | 25,654 | $ | 29,276 | $ | 14,764
Income from discontinued operations |  | 2 |  | 14 |  | 1,424
Net income | $ | 25,656 | $ | 29,290 | $ | 16,188
Denominator: |  |  |  |  |  |
Weighted average shares |  | 10,225 |  | 10,175 |  | 10,124
Denominator for basic earnings per common share |  | 10,225 |  | 10,175 |  | 10,124
Effect of dilutive securities: |  |  |  |  |  |
Employee stock options |  | 6 |  | 11 |  | 16
Other stock compensation plans |  | 101 |  | 74 |  | 94
Dilutive potential common shares |  | 107 |  | 85 |  | 110
Denominator for diluted earnings per common share - adjusted weighted average shares and assumed conversions |  | 10,332 |  | 10,260 |  | 10,234
Basic earnings per common share: |  |  |  |  |  |
Continuing operations | $ | 2.51 | $ | 2.88 | $ | 1.46
Discontinued operations |  | 0.00 |  | 0.00 |  | 0.14
Basic earnings per common share | $ | 2.51 | $ | 2.88 | $ | 1.60
Diluted earnings per common share: |  |  |  |  |  |
Continuing operations | $ | 2.48 | $ | 2.85 | $ | 1.44
Discontinued operations |  | 0.00 |  | 0.00 |  | 0.14
Diluted earnings per common share | $ | 2.48 | $ | 2.85 | $ | 1.58
Dividends paid per common share | $ | 0.13 | $ | 0.12 | $ | 0.10

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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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