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Income Taxes - Schedule of Operating Loss and Tax Credit Carryforwards (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Tax Credit Carryforward [Line Items] |  |
Deferred tax assets after valuation allowance | $ 250,603 | $ 254,624
Federal loss carryforwards | 43,774 | 49,821
State loss carryforwards | 1,186 | $ 7,225
Domestic Tax Authority |  |
Tax Credit Carryforward [Line Items] |  |
Deferred tax assets after valuation allowance | 43,800 |
Domestic Tax Authority | Expiring 2028-2033 |  |
Tax Credit Carryforward [Line Items] |  |
Federal loss carryforwards | 43,774 |
State and Local Jurisdiction |  |
Tax Credit Carryforward [Line Items] |  |
Deferred tax assets after valuation allowance | 1,200 |
State and Local Jurisdiction | Expiring 2020-2022 |  |
Tax Credit Carryforward [Line Items] |  |
State loss carryforwards | 62 |
State and Local Jurisdiction | Expiring 2025-2035 |  |
Tax Credit Carryforward [Line Items] |  |
State loss carryforwards | $ 1,124 |

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