Note 13 - 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	$ 9,154	$ 6,907	$ 20,904	$ 3,412
Effective Income Tax Rate Reconciliation, Percent, Total	11.70%	11.10%	11.00%	2.70%