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Commitments and Contingencies (Details 2) (USD $) | 12 Months Ended
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Dec. 31, 2011 Named Executive Officer Annual Incentive Awards | Dec. 31, 2010 Named Executive Officer Annual Incentive Awards | Dec. 31, 2012 Named Executive Officer Annual Incentive Awards 2006 Plan Minimum | Dec. 31, 2012 Named Executive Officer Annual Incentive Awards 2006 Plan Maximum | Dec. 31, 2012 Agreements with Executive Officers and Key Employees | Dec. 31, 2012 Kasbar agreement | Dec. 31, 2012 Stebbins agreement | Dec. 31, 2012 Stebbins agreement RSUs | Dec. 31, 2012 Stebbins agreement Service-based RSUs | Dec. 31, 2012 Stebbins agreement Performance-based RSUs
Loss Contingencies |  |  |  |  |  |  |  |  |  |
Annual base salary |  |  |  |  |  | $ 575,000 | $ 750,000 |  |  |
Term for expiration of agreement |  |  |  |  |  |  | 2 years |  |  |
Term of extension in expiration period under specified condition |  |  |  |  |  | 1 year | 1 year |  |  |
Minimum period prior to expiration of the term for serving specified notice to prevent extension of agreement term |  |  |  |  |  | 1 year | 6 months |  |  |
Equity-based awards grant-date value targeted |  |  |  |  |  |  |  | 500,000 |  |
Percentage of equity-based awards to be granted |  |  |  |  |  |  |  |  | 50.00% | 50.00%
Severance payment for termination following a change of control |  |  |  |  | 5,000,000 |  |  |  |  |
Severance payment for termination following other scenarios |  |  |  |  | 3,000,000 |  |  |  |  |
Period for severance payment after termination of executive's employment |  |  |  |  | 2 years |  |  |  |  |
Vesting period of any awards assumed or substituted |  |  |  |  |  | 2 years |  |  |  |
Future minimum commitments under agreements with executive officers and key employees |  |  |  |  |  |  |  |  |  |
2013 |  |  |  |  | 3,463,000 |  |  |  |  |
2014 |  |  |  |  | 2,265,000 |  |  |  |  |
2015 |  |  |  |  | 1,825,000 |  |  |  |  |
2016 |  |  |  |  | 1,825,000 |  |  |  |  |
Total |  |  |  |  | 9,378,000 |  |  |  |  |
Vesting period |  |  | 3 years | 5 years |  |  |  |  |  |
Cash and share-based awards earned by entity's NEOs |  |  |  |  |  |  |  |  |  |
Cash awards earned | 9,275,000 | 7,306,000 |  |  |  |  |  |  |  |
Share-based awards earned | 9,604,000 | 5,913,000 |  |  |  |  |  |  |  |
Total earned | 18,879,000 | 13,219,000 |  |  |  |  |  |  |  |
Compensation expense recorded | $ 11,535,000 | $ 8,651,000 |  |  |  |  |  |  |  |

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- Definition Represents the aggregate amount of cash awards and share-based awards earned by the executive upon achievement of certain annual performance targets. + References No definition available. + Details
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- Definition The aggregate estimated commitment expense expected to be paid by the entity for succeeding fiscal years. + References No definition available. + Details
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- Definition The amount of commitment expense expected to be paid during year two of the five succeeding fiscal years. + References No definition available. + Details
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