Note 10 - Debt - Short-term and Long-term Debt (Details) (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
The 3.625% Senior Note [Member]
Interest rate	3.625%	3.625%
Unamortized discount	$ 9,900	$ 10,000
The 4.125% Senior Note [Member]
Interest rate	4.125%	4.125%
Unamortized discount (premium)	$ 9,000	$ 9,400
The 4.000% Senior Note [Member]
Interest rate	4.00%	4.00%
Unamortized discount	$ 2,600	$ 2,800
The 5.500% Senior Note [Member]
Interest rate	5.50%	5.50%
Unamortized discount	$ 3,900	$ 4,000
The 5.750% Senior Notes [Member]
Interest rate	5.75%	5.75%
Unamortized discount	$ 10,200	$ 0