Income Taxes (Additional Information) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
Income Taxes [Line Items] | |||
Operating Loss Carryforwards | $ 150,926 | ||
Tax Credit Carryforward, Limitations on Use | The NOLs available post-merger that the Company completed in 2012 that are not subject to limitation amount to $134,463. The remaining NOLs of $39,601 are subject to the limitation of Section 382. | ||
Deferred Tax Assets, Valuation Allowance | $ 48,748 | $ 41,209 | $ 58,914 |
Annual Limitation on Net Operating Loss Carryforwards | $ 2,000 | ||
Net Operating Loss Expiration | 20 years | ||
Operating Loss Carry forwards Without Limitation | $ 23,139 |