Note 8 - Derivative Instruments - Fair Value of Forward and Put Option Contracts (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Other current assets, liability position	$ (38,992)	$ (19,353)
Non-current derivatives liability, liability position	(43,402)	(18,528)
Forward and Put Option Contracts [Member] \| Other Current Assets [Member]
Other current assets	300	0
Other current assets, liability position	(200)	0
Net asset (liability)	100	0
Forward and Put Option Contracts [Member] \| Current derivatives liability [Member]
Other current assets, liability position	(39,500)	(20,100)
Net asset (liability)	(39,000)	(19,400)
Other non-current assets	500	700
Forward and Put Option Contracts [Member] \| Other Noncurrent Liabilities [Member]
Net asset (liability)	(43,400)	(18,500)
Other non-current assets	100	400
Non-current derivatives liability, liability position	$ (43,500)	$ (18,900)

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

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Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=126966630&loc=d3e41228-113958

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