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Employee Benefit Plan (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2011
Age
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Dec. 31, 2010
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Dec. 31, 2009
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| Employee Benefit Plan [Abstract] | |||
| Defined Benefit Plan Contributions by Employee | 15.00% | ||
| Minimum age for employees to be covered under profit sharing plan | 21 | ||
| Minimum service period for employees to be covered under profit sharing plan | 6 months | ||
| Vesting period for company contributions to benefit plan | 6 years | ||
| Employer contribution | $ 0 | $ 1.3 | $ 1.6 |
| X | ||||||||||
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- Definition
Defined benefit plan contributions by employee. No definition available.
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- Definition
Minimum age for employees to be covered under profit sharing plan. No definition available.
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| X | ||||||||||
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- Definition
Minimum service period for employees to be covered under profit sharing plan. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Vesting period for company contributions to benefit plan. No definition available.
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| X | ||||||||||
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- Definition
The increase in the fair value of plan assets from contributions made by the employer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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