Income Taxes - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2015 |
Jun. 30, 2014 |
|
| Income Tax Disclosure [Abstract] | ||||
| Effective tax rate | (2.10%) | (3.90%) | 5.20% | (56.90%) |
| Income tax expense (benefit) | $ 395 | $ 173 | $ (1,579) | $ 3,701 |
| Discrete tax benefit related to dispositions on incentive stock options | $ (1,400) | $ (1,000) | ||