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Stock-Based Compensation (Narrative) (Details) (USD $)
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12 Months Ended | ||
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Dec. 31, 2011
years
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Dec. 31, 2010
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Dec. 31, 2009
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| Stock-Based Compensation [Abstract] | |||
| Stock-based compensation expense | $ 1,287,000 | $ 492,000 | $ 529,000 |
| Capitalized stock-based compensation | 515,000 | 197,000 | 212,000 |
| Unrecognized compensation expense | $ 4,819,000 | ||
| Weighted average period | 2.10 | ||
| 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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