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Share Based and Deferred Compensation Share Based and Deferred Compensation (Tables) | 3 Months Ended
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Mar. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Options Activity [Table Text Block] | Option activity as of March 31, 2013 and changes during the three months ended March 31, 2013 were as follows:
| Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (in years) |  | Aggregate Intrinsic Value
Outstanding at January 1, 2013 | 3,337,549 |  |  | $ | 14.50 |  |  | 7.20 |  |  | $ | — |
Granted | — |  |  | — |  |  | — |  |  | — |
Exercised | (76,340 | ) |  | $ | 10.11 |  |  | — |  |  | — |
Canceled | (94,211 | ) |  | $ | 19.00 |  |  |  |  |
Outstanding at March 31, 2013 | 3,166,998 |  |  | $ | 14.84 |  |  | 5.72 |  |  | $ | — |
Vested/Exerciseable at March 31, 2013 | 2,982,568 |  |  | $ | 15.16 |  |  | 5.64 |  |  | $ | — |
Company's Restricted Share Activity [Table Text Block] | The following table summarizes the Company’s restricted share activity for the three months ended March 31, 2013:
| Shares |  | Weighted Average Grant Date Fair value
Non-vested at January 1, 2013 | 597,708 |  |  | $ | 9.46 |
Granted | 157,208 |  |  | 12.96 |
Vested | (26,974 | ) |  | 25.16 |
Forfeited | (8,265 | ) |  | 10.60 |
Non-vested at March 31, 2013 | 719,677 |  |  | $ | 12.20 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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