Income Taxes - Narrative (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Increase in the valuation allowance | $ 2,000 | |
| Net operating loss carryforwards | 25,600 | |
| Uncertain tax positions accrued | 0 | $ 0 |
| Accrued interest and penalties related to uncertain tax positions | 0 | $ 0 |
| Federal. | ||
| Net operating loss carryforwards | 68,400 | |
| State. | ||
| Net operating loss carryforwards | $ 2,400 | |
| Minimum | ||
| Federal net operating loss carryforwards,Expiration Period | 2032 | |
| Maximum [Member] | ||
| Federal net operating loss carryforwards,Expiration Period | 2035 |