Description of Business and Summary of Significant Accounting Policies (AntiDilutive) (Details) - shares shares in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2015 |
Jun. 30, 2014 |
|
| Options to purchase common stock | ||||
| Anti-dilutive weighted-average common stock equivalents excluded from the calculation of diluted net income per share | ||||
| Total (in shares) | 2,417 | 1,115 | 4,817 | 746 |