Note 10 - Leases - Supplement Cash Flow Information Related to Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating cash flows from operating leases	$ 21,250	$ 18,412	$ 10,125
Operating cash flows from finance leases	1,972	1,871	1,864
Financing cash flows from finance leases	4,679	3,957	3,237
Operating leases	55,057	41,678	4,021
Finance leases	$ 4,026	$ 3,737	$ 8,797