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Stock Based Compensation (Details 4) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |||||
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Dec. 31, 2012
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Dec. 31, 2011
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| Summary of stock based compensation agreements | ||||||
| Unrecognized stock-based compensation cost | $ 13,072 | $ 9,058 | ||||
| Weighted average years remaining vesting period | 2 years 2 months 2 days | 2 years 0 months 18 days | ||||
| Total equity awards outstanding | 1,615 | [1] | 1,739 | [1] | ||
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- Definition
Share based compensation arrangement by share based payment award number of shares outstanding. No definition available.
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- Details
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- Definition
As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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