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EARNINGS PER SHARE DATA (Tables) | 6 Months Ended
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Jun. 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 June 30, |  |  | Six Months Ended June 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Basic: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding |  |  | 14,451 |  |  |  | 14,392 |  |  |  | 14,424 |  |  |  | 14,360 |
Net income |  | $ | 13,749 |  |  | $ | 12,177 |  |  | $ | 26,981 |  |  | $ | 23,823 |
Convertible preferred stock dividend |  |  | 22 |  |  |  | 22 |  |  |  | 45 |  |  |  | 45 |
Net income attributable to common shareholders |  | $ | 13,727 |  |  | $ | 12,155 |  |  | $ | 26,936 |  |  | $ | 23,778 |
Per share amount |  | $ | 0.95 |  |  | $ | 0.84 |  |  | $ | 1.87 |  |  | $ | 1.66 |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding |  |  | 14,451 |  |  |  | 14,392 |  |  |  | 14,424 |  |  |  | 14,360 |
Assumed conversion of convertible preferred stock |  |  | 840 |  |  |  | 840 |  |  |  | 840 |  |  |  | 840 |
Total dilutive shares |  |  | 15,291 |  |  |  | 15,232 |  |  |  | 15,264 |  |  |  | 15,200 |
Net income attributable to common shareholders |  | $ | 13,727 |  |  | $ | 12,155 |  |  | $ | 26,936 |  |  | $ | 23,778 |
Convertible preferred stock dividend |  |  | 22 |  |  |  | 22 |  |  |  | 45 |  |  |  | 45 |
Net income for diluted earnings per share |  | $ | 13,749 |  |  | $ | 12,177 |  |  | $ | 26,981 |  |  | $ | 23,823 |
Per share amount |  | $ | 0.90 |  |  | $ | 0.80 |  |  | $ | 1.77 |  |  | $ | 1.57 |

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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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