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Stock-Based Compensation - Employee Stock Purchase Plan (Details) - Employee Stock Purchase Plan | 9 Months Ended
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Sep. 30, 2015 USD ($)
Stock-based compensation |
Maximum employee salary to purchase shares (in dollars) | $ 25,000
Maximum percentage of employee eligible pay to purchase shares | 10.00%
Minimum |
Stock-based compensation |
Purchase price as a percent of the fair market value | 85.00%
Maximum |
Stock-based compensation |
Purchase price as a percent of the fair market value | 100.00%

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- Definition The highest amount of annual salary that an employee is permitted to utilize with respect to the plan. + References No definition available. + Details
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- Definition The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Purchase price of common stock expressed as a percentage of its fair value. + References No definition available. + Details
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