Note 5 - Income Taxes - Summary of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025		Dec. 31, 2024		Dec. 31, 2023
Balance	$ 15,208	[1]	$ 13,686	[1]	$ 177,382
Additions based on tax positions related to the current year	1,215		5,909		212
Additions based on tax positions related to a prior year	340		53		1,869
Settlement and lapse of statute of limitations	(3,696)		(3,551)		(165,065)
Reductions based on tax positions related to a prior year	(723)		(889)		(712)
Balance	$ 12,344		$ 15,208	[1]	$ 13,686	[1]

[1] The gross balance reported as uncertain tax positions is largely offset by $157.7 million of foreign tax credits and other tax attributes.