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v3.3.1.900

Stockholders' Equity (Details 9) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2015 | Dec. 31, 2015 USD ($) item shares | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Sharebased Compensation Arrangement Number Of Current Plans | item |  | 2 |  |
Outstanding Contractual Term (in Years) |  | 4 years 4 months 6 days | 4 years 7 months 13 days |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term |  | 5 years |  |
Assumed Forfeiture Rates Used in Estimates |  | 8.00% | 8.00% | 8.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate |  | 0.00% | 0.00% | 0.00%
Allocated share base compensation |  | $ 12,815 | $ 9,280 | $ 7,035
Share-based Compensation Arrangement by Share-based Payment Award, Restricted Stock Units, Number of Shares of Common Stock Per Award (in Shares) | shares |  | 1 |  |
Employee Consultant And Directors Stock Options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term |  | 4 years 6 months | 5 years | 4 years 6 months
Allocated share base compensation |  | $ 7,900 | $ 6,700 | $ 5,900
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options |  | $ 11,400 |  |
Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition |  | 2 years |  |
Restricted Stock Units (RSUs) |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Allocated share base compensation |  | $ 3,900 | $ 2,000 | $ 600
Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition |  | 2 years 3 months 18 days |  |
Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options |  | $ 8,200 |  |
2015 Plan and 2005 Plan | Maximum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Outstanding Contractual Term (in Years) |  | 10 years |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term |  | 5 years |  |
2015 Plan and 2005 Plan | Minimum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Outstanding Contractual Term (in Years) |  | 5 years |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term |  | 3 years |  |
The 2005 Plan | Maximum | Employee Consultant And Directors Stock Options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period | 10 years |  |  |
The 2005 Plan | Existing Employees | Maximum | Employee Consultant And Directors Stock Options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 5 years |  |  |
The 2005 Plan | Existing Employees | Minimum | Employee Consultant And Directors Stock Options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 3 years |  |  |
The 2005 Plan | New Employees | Employee Consultant And Directors Stock Options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 4 years |  |  |
2014 Employee Stock Purchase Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares) | shares |  | 1,875,620 |  |
Allocated share base compensation |  | $ 400 |  |

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