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Note 19 - Post-retirement Benefits - Changes in Present Value of Defined Benefit Obligations (Details) - Pension Plan [Member] - UNITED KINGDOM - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Opening balance	$ (142,646)	$ (148,167)
Current service cost	(215)	(347)	$ (350)
Interest cost	(7,360)	(6,507)	(6,177)
Actuarial gain (loss) on liabilities	2,392	2,655	(6,848)
Exchange differences	(10,452)	2,689
Benefits paid	7,352	7,031
Others	3,342	0
Ending balance	$ (147,587)	$ (142,646)	$ (148,167)

X

- Definition

Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)(4)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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X

- Definition

Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

+ References

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- Definition

Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.

+ References

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X

- Definition

Amount of foreign currency translation gain (loss) which (increases) decreases benefit obligation of defined benefit plan.

+ References

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- Definition

Amount of cost recognized for passage of time related to defined benefit plan.

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- Definition

Amount of increase (decrease) in benefit obligation of defined benefit plan from change, classified as other.

+ References

No definition available.

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Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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