Income Taxes - Income Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
U.S. Federal	$ 0	$ (55,799)	$ (51,243)
U.S. State	17	12	(113)
Current income tax (benefit)	17	(55,787)	(51,356)
Deferred:
U.S. Federal	(157,626)	(83,080)	47,717
U.S. State	19,739	(35,220)	31,375
Deferred income tax (benefit)	(137,887)	(118,300)	79,092
Income Tax (Benefit) Expense / Effective Rate	$ (137,870)	$ (174,087)	$ 27,736

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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