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Income Taxes Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2016 | Dec. 31, 2014
Income Tax Disclosure [Abstract] |  |  |  |  |
INCOME TAX PROVISION (BENEFIT) | $ (176,974) | $ 69,130 | $ 37,516 |  |
Income tax refunds | (95,229) | (2,157) | (41,610) |  |
Net Operating Loss, Carryback | 422,100 | $ 116,700 | $ 185,400 |  |
Deferred Tax Assets, Operating Loss Carryforwards | 5,200 |  |  |  | $ 5,700
Deferred Tax Assets, Operating Loss Carryforwards, Domestic | 8,500 |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, State and Local | $ 7,400 |  |  |  |
Deferred Tax Assets, Tax Credit Carryforwards |  |  |  | $ 700 |

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