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Stock-Based Compensation (Narrative) (Details) (USD $)
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3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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| Share-based Compensation [Abstract] | ||||
| Stock-based compensation expense | $ 1,500,000 | $ 1,100,000 | $ 3,000,000 | $ 2,300,000 |
| Capitalized stock-based compensation | 600,000 | 454,000 | 1,201,000 | 908,000 |
| Unrecognized compensation expense | $ 10,100,000 | $ 10,100,000 | ||
| Weighted average period | 1 year 7 months 13 days | |||
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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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- 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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- Details
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