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Note 5 - Derivative Instruments and Hedging Activities - Fair Value Adjustments of Forward Currency Forward Contracts Not Designated as Hedges (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Gain (Loss) on Sale of Derivatives	$ (0)	$ 253
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]
Gain (loss) on settlement		420
Gain (loss) on change in fair value		(167)
Gain (Loss) on Sale of Derivatives		$ 253
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Maximum [Member]
Gain (loss) on settlement	0
Gain (loss) on change in fair value
Gain (Loss) on Sale of Derivatives	$ 0

X

- Definition

Represents gain (loss) on settlement of derivatives.

+ References

No definition available.

+ Details

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

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- Definition

The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.13(h))
-URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

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