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Stock-Based Compensation (Narrative) (Details) (USD $)
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3 Months Ended | |
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Mar. 31, 2014
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Mar. 31, 2013
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| Share-based Compensation [Abstract] | ||
| Stock issued | 0 | 0 |
| Stock-based compensation expense | $ 4,300,000 | $ 1,500,000 |
| Capitalized stock-based compensation | 1,723,000 | 601,000 |
| Unrecognized compensation expense | $ 21,900,000 | |
| Weighted average period | 1 year 9 months 7 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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| X | ||||||||||
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- Definition
Unrecognized cost of unvested share-based compensation awards. 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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| X | ||||||||||
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- Definition
Net number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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