Note 14 - Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025
Balance	$ 3,402,068		$ 3,145,767
Balance	3,567,947	$ 3,402,068
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance	(743)	(742)	(790)
Other comprehensive income before reclassifications	86	(1)	43
Amounts reclassified from accumulated other comprehensive income			5
Net current period other comprehensive income	69	(1)	48
Tax effect	(17)
Balance	(674)	(743)	(742)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Balance	(22,948)	(42,582)	(47,721)
Other comprehensive income before reclassifications	919	19,634	5,139
Amounts reclassified from accumulated other comprehensive income			0
Net current period other comprehensive income	919	19,634	5,139
Tax effect	0
Balance	(22,029)	(22,948)	(42,582)
AOCI Attributable to Parent [Member]
Balance	(23,691)	(43,324)	(48,511)
Other comprehensive income before reclassifications	1,005	19,633	5,182
Amounts reclassified from accumulated other comprehensive income			5
Net current period other comprehensive income	988	19,633	5,187
Tax effect	(17)
Balance	$ (22,703)	$ (23,691)	$ (43,324)