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Share Based and Deferred Compensation (Tables) | 9 Months Ended
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Sep. 30, 2011
Share Based and Deferred Compensation [Abstract] |
Option activity |
|  |  |  |  |  | Weighted |  |  | Weighted Average |  |  |  |
|  |  |  |  |  | Average |  |  | Remaining Contractual |  |  | Aggregate Intrinsic |
|  | Shares |  |  | Exercise Price |  |  | Term (in years) |  |  | Value |
Outstanding at January 1, 2011 |  |  | 3,116,611 |  |  | $ | 14.56 |  |  |  | 7.81 |  |  | $ | (9,080,625 | )
Granted |  |  | 603,241 |  |  |  | 11.89 |  |  |  | 9.43 |  |  |  | (2,338,765 | )
Exercised |  |  | (120,179 | ) |  |  | 2.91 |  |  |  |  |  |  |  |  |
Outstanding at September 30, 2011 |  |  | 3,599,673 |  |  | $ | 14.50 |  |  |  | 7.46 |  |  | $ | (23,367,772 | )
Vested/Exercisable at September 30, 2011 |  |  | 2,287,729 |  |  | $ | 17.01 |  |  |  | 6.85 |  |  | $ | (20,370,992 | )
Company's restricted share activity |
|  |  |  |  |  | Weighted |
|  |  |  |  |  | Average Grant |
|  | Shares |  |  | Date Fair value |
Non-vested at January 1, 2011 |  |  | 851,278 |  |  | $ | 10.75 |
Granted |  |  | 197,035 |  |  |  | 11.92 |
Vested |  |  | (237,541 | ) |  |  | 19.76 |
Forfeited |  |  | (2,674 | ) |  |  | 11.30 |
Non-vested at September 30, 2011 |  |  | 808,098 |  |  | $ | 9.47 |

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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 -Topic 718 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (c)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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