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EARNINGS PER SHARE DATA (Tables) | 9 Months Ended
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Sep. 30, 2013
EARNINGS PER SHARE DATA [Abstract] |
Computation of Basic and Diluted Earnings per Share | The following table sets forth the computation of basic and diluted earnings per share for the periods indicated (in thousands, except per share data):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Basic: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding |  |  | 14,444 |  |  |  | 14,411 |  |  |  | 14,430 |  |  |  | 14,375 |
Net income |  | $ | 16,352 |  |  | $ | 13,092 |  |  | $ | 43,333 |  |  | $ | 36,915 |
Convertible preferred stock dividend |  |  | 23 |  |  |  | 23 |  |  |  | 68 |  |  |  | 68 |
Net income attributable to common shareholders |  | $ | 16,329 |  |  | $ | 13,069 |  |  | $ | 43,265 |  |  | $ | 36,847 |
Per share amount |  | $ | 1.13 |  |  | $ | 0.91 |  |  | $ | 3.00 |  |  | $ | 2.56 |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding |  |  | 14,444 |  |  |  | 14,411 |  |  |  | 14,430 |  |  |  | 14,375 |
Assumed conversion of convertible preferred stock |  |  | 840 |  |  |  | 840 |  |  |  | 840 |  |  |  | 840 |
Total dilutive shares |  |  | 15,284 |  |  |  | 15,251 |  |  |  | 15,270 |  |  |  | 15,215 |
Net income attributable to common shareholders |  | $ | 16,329 |  |  | $ | 13,069 |  |  | $ | 43,265 |  |  | $ | 36,847 |
Convertible preferred stock dividend |  |  | 23 |  |  |  | 23 |  |  |  | 68 |  |  |  | 68 |
Net income for diluted earnings per share |  | $ | 16,352 |  |  | $ | 13,092 |  |  | $ | 43,333 |  |  | $ | 36,915 |
Per share amount |  | $ | 1.07 |  |  | $ | 0.86 |  |  | $ | 2.84 |  |  | $ | 2.43 |

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- Definition Tabular disclosure of the reconciliation of basic net earnings per share (or unit) to diluted earnings per share (or unit). + 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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