Income Taxes - Provision for income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal	$ 50,565	$ 43,595	$ 23,526
State	32,505	18,881	11,553
Foreign	4,397	1,353	5,183
Current provision for income taxes	87,467	63,829	40,262
Deferred:
Federal	(407,852)
State	(57,677)		(205)
Foreign	(75)	(350)	(172)
Deferred provision for income taxes	(465,604)	(350)	(377)
(Benefit) provision for income taxes	$ (378,137)	$ 63,479	$ 39,885

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

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