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Note 5 - Derivative Instruments and Hedging Activities - Fair Value of Derivatives (Details) - Fair Value, Inputs, Level 2 [Member] - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Commodity Contract [Member]    
Fair Value of Derivatives $ 0 $ 1,386
Foreign Exchange Contract [Member]    
Fair Value of Derivatives (36) (154)
Interest Rate Swap [Member]    
Fair Value of Derivatives $ (2,074) $ (29,536)