Note 5 - Income Taxes - Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Earnings from continuing operations, before income tax expense	$ 220,245	$ 229,488	$ 138,929
U.S. Federal Statutory Tax Rate	$ 46,251	48,192	29,175
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%
State and Local Income Taxes	$ 473
State and Local Income Taxes, percent	0.20%
Subpart F	$ 74,406
Subpart F, percent	33.80%
Net GILTI Inclusion	$ 31,539	22,249	2,705
Net GILTI Inclusion, percent	14.30%
Foreign tax credit	$ (39,984)
Foreign tax credit, percent	(18.20%)
Changes in Valuation Allowances	$ (199,965)	(28,040)	(83)
Changes in Valuation Allowances, percent	(90.80%)
Executive Compensation	$ 3,313
Executive Compensation, percent	1.50%
Other	$ (22)
Other, percent	(0.00%)
Restructuring	$ (50,182)
Restructuring, percent	(22.80%)
Other	$ (1,001)	121	(559)
Other, percent	(0.50%)
Effect of Rates Different than Statutory		(50,669)	(35,088)
Tax Exempt Income		3,700	6,664
Changes in Unrecognized Tax Benefits	$ (817)
Changes in Unrecognized Tax Benefits, percent	(0.40%)
Income Tax Expense	$ (113,208)	$ 50,216	$ 43,308
Income Tax Expense, percent	(51.40%)
Angola [Member] | Foreign Tax Jurisdiction [Member]
Other	$ 197
Other, percent	0.10%
Withholding Tax	$ 7,333
Withholding Tax, percent	3.30%
Australian Taxation Office [Member] | Foreign Tax Jurisdiction [Member]
Other	$ (1,554)
Other, percent	(0.70%)
Effect of Rates Different than Statutory	$ 2,537
Effect of Rates Different than Statutory, percent	1.20%
Nondeductible Expenses	$ (2,742)
Nondeductible Expenses, percent	(1.20%)
Secretariat of the Federal Revenue Bureau of Brazil [Member] | Foreign Tax Jurisdiction [Member]
Other	$ 685
Other, percent	0.30%
Effect of Rates Different than Statutory	$ 3,290
Effect of Rates Different than Statutory, percent	1.50%
Cayman Islands Tax Information Authority [Member] | Foreign Tax Jurisdiction [Member]
Other	$ 113
Other, percent	0.10%
Effect of Rates Different than Statutory	$ 5,467
Effect of Rates Different than Statutory, percent	2.50%
Congo [Member] | Foreign Tax Jurisdiction [Member]
Other	$ 2,584
Other, percent	1.20%
Effect of Rates Different than Statutory	$ 2,601
Effect of Rates Different than Statutory, percent	1.20%
Deemed Profit Tax	$ (5,772)
Deemed Profit Tax, percent	(2.60%)
Cote Divoire [Member] | Foreign Tax Jurisdiction [Member]
Other	$ 2,189
Other, percent	1.00%
Deemed Profit Tax	$ (5,793)
Deemed Profit Tax, percent	(2.60%)
GloBE Pillar II - Top Up Tax	$ 2,929
GloBE Pillar II - Top Up Tax, percent	1.30%
Egypt [Member] | Foreign Tax Jurisdiction [Member]
Other	$ (693)
Other, percent	(0.30%)
GloBE Pillar II - Top Up Tax	$ 3,590
GloBE Pillar II - Top Up Tax, percent	1.60%
Gabon	$ 2,984
GABON, percent	1.40%
Namibia [Member] | Foreign Tax Jurisdiction [Member]
Other	$ 1,116
Other, percent	0.50%
Effect of Rates Different than Statutory	$ 2,793
Effect of Rates Different than Statutory, percent	1.30%
Saudi Arabia [Member] | Foreign Tax Jurisdiction [Member]
Other	$ (85)
Other, percent	(0.00%)
Withholding Tax	$ 2,837
Withholding Tax, percent	1.30%
Inland Revenue, Singapore (IRAS) [Member] | Foreign Tax Jurisdiction [Member]
Other	$ 2,459
Other, percent	1.10%
Effect of Rates Different than Statutory	$ (2,568)
Effect of Rates Different than Statutory, percent	(1.20%)
Tax Exempt Income	$ (11,883)
Tax Exempt Income, percent	(5.40%)
Suriname [Member] | Foreign Tax Jurisdiction [Member]
Other	$ 3,005
Other, percent	1.40%
Nondeductible Expenses	$ (3,750)
Nondeductible Expenses, percent	(1.70%)
Other Foreign Jurisdictions [Member] | Foreign Tax Jurisdiction [Member]
Effect of Rates Different than Statutory	$ 8,912
Effect of Rates Different than Statutory, percent	3.90%