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Income Taxes (Details) - USD ($)	1 Months Ended	3 Months Ended		9 Months Ended
	Apr. 30, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Mar. 31, 2020
Income Tax Disclosure [Abstract]
Effective tax rate, percentage		29.20%	24.50%	26.80%	28.00%
AMT tax credit refund							$ 102,482,000
Total amount of uncertain tax positions		$ 67,806,000		$ 67,806,000		$ 31,891,000
Increase in uncertain tax positions				35,915,000
Increase resulting in additional tax credits claimed				38,736,000
Decrease resulting to statute expiration of prior federal tax position				2,821,000
Unrecognized tax benefits that would impact effective tax rate		67,806,000		67,806,000		67,806,000
Accrued interest liability		$ 0		$ 0		$ 0
Net increase in deferred tax expense	$ 11,455,000
Increase in deferred taxes relating to state apportionment rate changes	16,507,000
State Net Operating Loss
Valuation Allowance [Line Items]
Change in valuation allowance	$ 5,052,000

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