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Income Taxes (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 20,305,000	$ 11,892,000
Discrete tax expense (benefit)	7,300,000	6,400,000
Current federal tax benefit	0	$ 0
Reasonably possible changes to unrecognized tax benefits related to settlement of tax audits and/or expiration of statutes of limitations within the next twelve months	$ 31,600,000

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

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