Income Taxes - Reconciliation Between Federal Statutory Rate and Income (Benefit) Expense (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Income Tax Disclosure [Abstract] | ||
| Income tax benefit at federal statutory rate | $ (19,190) | $ (30,318) |
| Meals and entertainment | 674 | 707 |
| State taxes, net of federal benefit | 580 | (2,250) |
| Changes in Valuation Allowance | 15,824 | 28,167 |
| Equity Compensation Shortfall | 2,601 | 2,644 |
| Tax Basis Adjustments | 0 | 41 |
| Change in Estimates & Other | (468) | 1,236 |
| Total income tax expense | $ 21 | $ 227 |