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Note 12 - Income Taxes (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Income Tax Expense (Benefit), Total | $ 10,772 | $ (2,948) | $ 18,689 | $ (2,746)
Effective Income Tax Rate Reconciliation, Percent, Total | 26.70% | 31.40% | 26.60% | 31.90%

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