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Stock-Based Compensation (Narrative) (Details) (USD $)
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3 Months Ended | |
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Mar. 31, 2012
Y
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Mar. 31, 2011
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| Stock-Based Compensation [Abstract] | ||
| Stock-based compensation expense | $ 1,135,000 | $ 128,000 |
| Capitalized stock-based compensation | 454,000 | 51,000 |
| Unrecognized compensation expense | $ 9,943,000 | |
| Weighted average period, years | 1.86 | |
| X | ||||||||||
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- Definition
Non-cash stock based compensation capitalized. No definition available.
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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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- 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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| X | ||||||||||
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- Definition
The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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