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Stockholders' Equity (Summary of share-based compensation expense) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
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Mar. 31, 2013
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Mar. 31, 2012
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| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | ||
| Employee share-based compensation expense | $ 1,325 | $ 1,900 |
| Adjustment to fair value of liability classified awards | (66) | (170) |
| Total share-based compensation expense | $ 1,259 | $ 1,730 |
| X | ||||||||||
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- Definition
Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The fair value of restricted stock or stock options granted to nonemployees as payment for services rendered or acknowledged claims. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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