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Share-Based Compensation 401(k) Plan (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract] | |||
| Defined Contribution Plan, Maximum Annual Contribution Per Employee, Percent | 100.00% | ||
| Defined Contribution Plan, Employer Matching Contribution, Percent | 5.00% | ||
| Defined Contribution Plan, Employers Matching Contribution | $ 1.4 | $ 1.1 | $ 1.0 |
| X | ||||||||||
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- Definition
Defined Contribution Plan, Employers Matching Contribution No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available.
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| X | ||||||||||
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- Definition
Maximum percentage of employee gross pay, by the terms of the plan, that the employer may contribute to a defined contribution plan. No definition available.
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