Income Taxes - Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal									$ 131,907	$ 53,794	$ 5
State									51,076	20,513	38
Total Current									182,983	74,307	43
Deferred:
Federal									(7,471)	(248)	(249)
State									(717)	(14)	(280)
Foreign									669
Change in valuation allowance									(669)	(1,513)	529
Total Deferred									(8,188)	(1,775)
Total income tax expense	$ 47,148	$ 37,545	$ 23,589	$ 66,513	$ 58,571	$ 14,526	$ (599)	$ 34	$ 174,795	$ 72,532	$ 43