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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Earnings Per Share [Abstract] |  |  |
Reconciliation of EPS |
2011 |  | Income |  | Shares |  | Per Share
($ in thousands, except per share amounts) |  | (Numerator) |  | (Denominator) |  | Amount
Basic EPS: |  |  |  |  |  |
Net income from continuing operations | $ | 20,515 |  | 54,095 | $ | 0.38
Net loss on disposal of discontinued operations |  | (650) |  | 54,095 |  | (0.01)
Net income available to common stockholders | $ | 19,865 |  | 54,095 | $ | 0.37
Effect of dilutive securities: |  |  |  |  |  |
Stock compensation plan |  | - |  | 1,126 |  |
Diluted EPS: |  |  |  |  |  |
Net income from continuing operations | $ | 20,515 |  | 55,221 | $ | 0.37
Net loss on disposal of discontinued operations |  | (650) |  | 55,221 |  | (0.01)
Net income available to common stockholders | $ | 19,865 |  | 55,221 | $ | 0.36
2010 |  | Income |  | Shares |  | Per Share
($ in thousands, except per share amounts) |  | (Numerator) |  | (Denominator) |  | Amount
Basic EPS: |  |  |  |  |  |
Net income from continuing operations | $ | 69,321 |  | 53,359 | $ | 1.30
Net loss on disposal of discontinued operations |  | (3,780) |  | 53,359 |  | (0.07)
Net income available to common stockholders | $ | 65,541 |  | 53,359 | $ | 1.23
Effect of dilutive securities: |  |  |  |  |  |
Stock compensation plan |  | - |  | 1,145 |  |
Diluted EPS: |  |  |  |  |  |
Net income from continuing operations | $ | 69,321 |  | 54,504 | $ | 1.27
Net loss on disposal of discontinued operations |  | (3,780) |  | 54,504 |  | (0.07)
Net income available to common stockholders | $ | 65,541 |  | 54,504 | $ | 1.20
2009 |  | Income |  | Shares |  | Per Share
($ in thousands, except per share amounts) |  | (Numerator) |  | (Denominator) |  | Amount
Basic EPS: |  |  |  |  |  |
Net income from continuing operations | $ | 44,658 |  | 52,630 | $ | 0.84
Net loss from discontinued operations |  | (7,086) |  | 52,630 |  | (0.13)
Net loss on disposal of discontinued operations |  | (1,174) |  | 52,630 |  | (0.02)
Net income available to common stockholders | $ | 36,398 |  | 52,630 | $ | 0.69
Effect of dilutive securities: |  |  |  |  |  |
Stock compensation plan |  | - |  | 767 |  |
Diluted EPS: |  |  |  |  |  |
Net income from continuing operations | $ | 44,658 |  | 53,397 | $ | 0.83
Net loss from discontinued operations |  | (7,086) |  | 53,397 |  | (0.13)
Net loss on disposal of discontinued operations |  | (1,174) |  | 53,397 |  | (0.02)
Net income available to common stockholders | $ | 36,398 |  | 53,397 | $ | 0.68

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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 -Topic 260 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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