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Income Taxes (Details 2) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Tax Disclosure [Abstract] |  |  |
Income Tax Benefit | $ 0 | $ 0 | $ (6,014)
Valuation Allowance, Deferred Tax Asset, Change in Amount | 17,200 |  |
Operating Loss Carryforwards, Federal | 1,100,000 |  |
Operating Loss Carryforwards, State | 86,900 |  |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 0 | 0 |
Investments, Owned, Federal Income Tax Note [Line Items] |  |  |
Deferred Tax Assets, Tax Credit Carryforwards, Research | $ 29,290 | $ 29,304 |

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