Stock-Based Compensation - Black-Scholes-Merton Option Pricing Model (Details) |
6 Months Ended | 12 Months Ended |
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Jun. 30, 2015 |
Dec. 31, 2014 |
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Weighted-average risk-free interest rate | 2.69% | |
| Weighted-average expected life (in years) | 9 years 10 months 24 days | |
| Expected dividend yield | 0.00% | |
| Weighted-average expected volatility | 45.00% | |
| Employee Stock Option | ||
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Weighted-average risk-free interest rate | 1.63% | 1.84% |
| Weighted-average expected life (in years) | 6 years 3 months 18 days | 6 years 3 months 18 days |
| Expected dividend yield | 0.00% | 0.00% |
| Weighted-average expected volatility | 47.00% | 48.00% |
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average expected volatility rate of share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Expected term of share-based compensation awards, 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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