Stockholders' Equity - Other Equity Awards (Details) - USD ($) $ in Thousands |
1 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Dec. 31, 2013 |
Dec. 31, 2012 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] | |||||
| Compensation expense | $ 42,563 | $ 29,333 | $ 9,346 | ||
| Former CEO | |||||
| Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] | |||||
| Compensation expense | 7,700 | ||||
| Employment Agreement | Former CEO | |||||
| Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] | |||||
| Compensation expense | $ 100 | $ 500 | 200 | ||
| Employment Agreement | Common Stock | Former CEO | |||||
| Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] | |||||
| Right to sell value of shares of common stock | $ 1,000 | $ 1,000 | $ 1,000 | ||
| Shares repurchased | 112,422 | 130,080 | 112,422 | ||