Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Note 12 - Income Taxes (Details Textual) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%
Effective Income Tax Rate Reconciliation, Percent, Total	28.00%	25.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent	5.00%	5.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent, Total	2.00%
Income Taxes Paid, Net, Total	$ 28
Proceeds from Income Tax Refunds			$ 21
Domestic Tax Authority [Member]
Operating Loss Carryforwards, Total	204
State and Local Jurisdiction [Member]
Operating Loss Carryforwards, Total	$ 567
Share-based Payment Arrangement, Option [Member]
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent		1.00%
Restricted Stock [Member]
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent		(2.00%)