Note 9 - Derivative Instruments - Fair Value of Forward and Put Option Contracts (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Other current assets, liability position	$ (16,125)	$ (19,353)
Other non-current assets, liability position	(6,066)	$ (18,528)
Forward and Put Option Contracts [Member]
Other non-current assets	$ 100
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Assets, Noncurrent	Other Assets, Noncurrent
Forward and Put Option Contracts [Member] | Other Current Assets [Member]
Other current assets	$ 1,200	$ 0
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration]	Other Assets, Current	Other Assets, Current
Other current assets, liability position	$ 0	$ 0
Net asset (liability)	1,200	0
Forward and Put Option Contracts [Member] | Other Noncurrent Assets [Member]
Net asset (liability)	100	0
Other non-current assets		0
Other non-current assets, liability position	0	0
Forward and Put Option Contracts [Member] | Current derivatives liability [Member]
Other current assets	$ 0	$ 700
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration]	Other current assets, liability position	Other current assets, liability position
Other current assets, liability position	$ (12,100)	$ (20,100)
Net asset (liability)	(12,100)	(19,400)
Forward and Put Option Contracts [Member] | Other Noncurrent Liabilities [Member]
Other current assets	0
Net asset (liability)	$ 2,500	(18,500)
Other non-current assets		$ 400
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other non-current assets, liability position	Other non-current assets, liability position
Other non-current assets, liability position	$ (2,500)	$ (18,900)