Net Income Per Share Available Loss Attributable To Common Stockholders - Summary of Outstanding Shares of Common Stock Equivalents (Details) - shares shares in Thousands |
3 Months Ended | |
---|---|---|
Mar. 31, 2016 |
Mar. 31, 2015 |
|
Earnings Per Share Diluted [Line Items] | ||
Anti-dilutive securities excluded from computation of diluted net income per share | 11,095 | 11,435 |
Stock Options to Purchase Common Stock | ||
Earnings Per Share Diluted [Line Items] | ||
Anti-dilutive securities excluded from computation of diluted net income per share | 11,050 | 11,318 |
Common Stock Subject to Repurchase | ||
Earnings Per Share Diluted [Line Items] | ||
Anti-dilutive securities excluded from computation of diluted net income per share | 45 | 117 |