Note 13 - 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	$ 8,490	$ 2,988	$ 11,750	$ (3,495)
Effective Income Tax Rate Reconciliation, Percent, Total	13.30%	9.00%	10.50%	(5.60%)