Stockholders' Equity and Stock-Based Compensation - Summary of Restricted Stock Units Activity (Details) - Restricted Stock Units shares in Thousands |
9 Months Ended |
|---|---|
|
Sep. 30, 2016
$ / shares
shares
| |
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
| Shares, Unvested and Outstanding, Beginning Balance | shares | 196 |
| Shares, Granted | shares | 1,024 |
| Shares, Vested | shares | (118) |
| Shares, Cancelled | shares | (102) |
| Shares, Unvested and Outstanding, Ending Balance | shares | 1,000 |
| Weighted-Average Grant Date Fair Value Per Share, Unvested and Outstanding, Beginning Balance | $ / shares | $ 18.42 |
| Weighted-Average Grant Date Fair Value Per Share, Granted | $ / shares | 17.14 |
| Weighted-Average Grant Date Fair Value Per Share, Vested | $ / shares | 16.27 |
| Weighted-Average Grant Date Fair Value Per Share, Cancelled | $ / shares | 17.46 |
| Weighted-Average Grant Date Fair Value Per Share, Unvested and Outstanding, Ending Balance | $ / shares | $ 17.46 |