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v3.3.1.900

Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 25, 2014 | Jun. 30, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Jun. 05, 2014
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Proceeds from issuance of common stock |  |  | $ 1,320 | $ 38,018 |  |
Payments of Stock Issuance Costs |  |  |  | 1,920 |  |
Allocated Share-based Compensation Expense |  |  | $ 12,815 | $ 9,280 | $ 7,035 |
Common stock; authorized shares |  |  | 300,000,000 | 300,000,000 |  | 300,000,000
Common stock par value (in dollars per share) |  |  | $ 0.0001 | $ 0.0001 |  | $ 0.0001
Preferred stock, shares authorized |  |  | 20,000,000 | 20,000,000 |  | 20,000,000
Preferred stock, par value (in dollars per share) |  |  | $ 0.0001 | $ 0.0001 |  | $ 0.0001
Preferred stock, shares issued |  |  | 0 | 0 |  |
Preferred stock, shares outstanding |  |  | 0 | 0 |  |
Employee Consultant And Directors Stock Options |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Allocated Share-based Compensation Expense |  |  | $ 7,900 | $ 6,700 | $ 5,900 |
IPO [Member] |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues | 5,840,000 |  |  |  |  |
Share Price (in Dollars per share) | $ 7.00 |  |  |  |  |
Proceeds from issuance of common stock | $ 40,900 |  |  |  |  |
Payments of Stock Issuance Costs | $ 6,200 |  |  |  |  |
Proceeds from Issuance Initial Public Offering, Net of Issuance Costs (in Dollars) |  | $ 34,700 |  |  |  |
IPO [Member] | Underwriter |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues | 1,200,000 |  |  |  |  |

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