Note 6 - Accumulated Other Comprehensive Loss (Details Textual) - Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Other Comprehensive Income (Loss), before Reclassifications, before Tax	$ 9,537	$ (3,682)	$ 34,591	$ 16,379
Other Comprehensive Income (Loss) before Reclassifications, Tax, Total	$ 2,408	$ 930	$ 8,734	$ 4,136