Note 12 - Income Taxes (Details Textual) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Deferred Foreign Income Tax Expense (Benefit)		$ (1,300,800)	$ 9,893	$ (4,419)
Deferred Foreign Income Tax Expense (Benefit), Valuation Allowance		100,000
Intangible Assets Tax Basis, Increase (Decrease)	$ 23,200,000
Undistributed Earnings of Foreign Subsidiaries	108,200	108,200	85,000
Unrecognized Tax Benefits	74,386	74,386	62,660	49,277	$ 41,521
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	58,900	58,900	48,900
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	6,300	6,300	5,700
Domestic Tax Jurisdiction [Member]
Operating Loss Carryforwards	0	0
Domestic Tax Jurisdiction [Member] | Research Tax Credit Carryforward [Member]
Tax Credit Carryforward, Amount	0	0
State and Local Jurisdiction [Member]
Operating Loss Carryforwards	4,300	4,300
State and Local Jurisdiction [Member] | Research Tax Credit Carryforward [Member]
Tax Credit Carryforward, Amount	44,700	44,700
Foreign Tax Jurisdiction [Member]
Operating Loss Carryforwards	170,000	170,000
Operating Loss Carryforwards Not Subject to Expiration	3,700	3,700
Operating Loss Carryforwards Subject to Expiration	$ 166,300	166,300
Bermuda Subsidiary [Member]
Foreign Earnings Repatriated		$ 642,000	$ 140,000	$ 0