Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current
Federal	$ 153,911	$ 187,741	$ 112,517
State	29,982	9,421	2,085
Total current income tax expense	183,893	197,162	114,602
Deferred
Federal	28,873	(90,777)	46,182
State	16,127	4,585	40,451
Total deferred income tax expense (benefit)	45,000	(86,192)	86,633
Total income tax expense	$ 228,893	$ 110,970	$ 201,235

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

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