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Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Jul. 09, 2020
Components of the provision for income taxes |  |  |  |  |
Federal | $ 0 | $ 3,826 | $ 0 | $ 3,826 |
State | 173 | (320) | (402) | (1,109) |
Deferred portion of income tax (expense) benefit | 22,796 | (19,617) | 159,064 | 13,620 |
Income tax (expense) benefit | $ 22,969 | $ (16,111) | $ 158,662 | $ 16,337 |
Effective tax rate | 18.90% | 27.60% | 20.90% | 16.10% |
Proceeds from income tax refunds |  |  |  |  | $ 7,600

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