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Note 12 - Income Taxes (Details Textual) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | 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% | 194.00% | 27.00% | 52.00% |
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent |  |  | 5.00% | 5.00% |
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent, Total |  |  | 1.00% | 3.00% |
Effective Income Tax Rate Reconciliation, Disposition of Asset, Percent |  |  |  | 23.00% |
Income Taxes Paid, Net, Total |  |  | $ 128 |  |
Proceeds from Income Tax Refunds |  |  |  |  | $ 21
State and Local Jurisdiction [Member] |  |  |  |  |
Operating Loss Carryforwards | $ 337 |  | 337 |  |
Minimum [Member] |  |  |  |  |
Income Taxes Paid, Net, Total |  |  | 58 |  |
Maximum [Member] |  |  |  |  |
Income Taxes Paid, Net, Total |  |  | $ 68 |  |

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