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Income Taxes (Details) - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
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Income Tax Disclosure [Abstract] |  |
Federal net operating loss carryforwards | $ 60.7 | $ 80.8
State net operating loss carryforwards | 43.5 | 30.6
Federal tax loss carryforwards, subject to expiration | 43.5 |
federal net operating loss carryforwards, carryforward indefinitely | 17.2 |
Unrecognized tax benefits | 0.0 | $ 0.0
Tax attribute carryforwards cannot be utilized under IRC Section 382 | $ 61.8 |

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