v2.4.0.6

Earnings Per Share and Capital Structure Earnings Per Share and Capital Structure (Tables) | 3 Months Ended
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Mar. 31, 2013
Earnings Per Share and Capital Structure [Abstract] |
Computation of Basic and Diluted Earnings Per Share [Table Text Block] | The following table sets forth the computation of basic and diluted earnings per share (EPS):
| Three Months Ended March 31,
| 2013 |  | 2012
| (in thousands, except per share data)
Net income available to common shareholders | $ | 2,570 |  |  | $ | 25,353 |
Weighted average common shares outstanding - Basic | 39,420 |  |  | 39,913 |
Dilutive effect of stock-based awards | 350 |  |  | 303 |
Weighted average common shares outstanding - Diluted | 39,770 |  |  | 40,216 |
Earnings per common share - Basic | $ | 0.07 |  |  | $ | 0.64 |
Earnings per common share - Diluted | $ | 0.06 |  |  | $ | 0.63 |

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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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