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Income Taxes	9 Months Ended
Income Taxes	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes Income Tax Expense The 20.8% effective tax rate for the nine months ended September 30, 2020 was lower than the 22.1% rate for the same period in 2019. This decrease is primarily attributable to incremental tax benefits including the remeasurement of deferred state income taxes and the settlement of uncertain tax positions. This decrease was partially offset by return of the nondeductible health insurer tax.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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