Description of Business and Summary of Significant Accounting Policies (AntiDilutive) (Details) - shares shares in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
|
| Anti-dilutive weighted-average common stock equivalents excluded from the calculation of diluted net income per share | ||||
| Total (in shares) | 23 | 2,221 | 887 | 2,513 |
| Options | Common Stock | ||||
| Anti-dilutive weighted-average common stock equivalents excluded from the calculation of diluted net income per share | ||||
| Total (in shares) | 23 | 2,221 | 881 | 2,490 |
| Restricted stock units | ||||
| Anti-dilutive weighted-average common stock equivalents excluded from the calculation of diluted net income per share | ||||
| Total (in shares) | 6 | 23 | ||