Income Taxes (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Dec. 31, 2016 |
|
| Income tax expense (benefit) | $ 247 | $ 169 | $ (2,534) | $ (9,901) | |
| Effective income tax rate (as a percent) | 6.00% | 24.00% | 115.00% | 362.00% | |
| U.S. federal statutory rate (as a percent) | 34.00% | ||||
| State | |||||
| Net operating losses | $ 61,000 | ||||
| Tax credit carryforwards | 2,800 | ||||
| Federal | |||||
| Net operating losses | 59,500 | ||||
| Tax credit carryforwards | $ 7,100 | ||||