Income Taxes - Income Before Income Tax (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Income Tax Disclosure [Abstract] | |||||||||||
| Domestic | $ (68,949) | $ (54,812) | $ (104,776) | ||||||||
| Foreign | 39,392 | 43,072 | 41,566 | ||||||||
| Earnings (loss) before income taxes | $ (12,541) | $ (595) | $ (9,630) | $ (6,791) | $ 581 | $ (790) | $ (6,492) | $ (5,039) | $ (29,557) | $ (11,740) | $ (63,210) |