Restructuring Costs - Components of Restructuring Charges (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Restructuring Reserve [Roll Forward] | ||
| Balance, Beginning of the year | $ 1,328 | $ 0 |
| Contract termination costs | 0 | 427 |
| Severance and other associated costs | 1,585 | 901 |
| Cash payments | (1,328) | 0 |
| Wind down costs of legacy platform | 966 | 0 |
| Balance, End of year | $ 2,551 | $ 1,328 |