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Note 12 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Income Tax Expense (Benefit), Total $ 15,665 $ (561) $ 34,354 $ (3,307)
Effective Income Tax Rate Reconciliation, Percent, Total 26.00% 27.00% 26.30% 30.90%