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Note 4 - Derivative Instruments and Hedging Activities - Fair Value of Derivatives (Details) - Fair Value, Inputs, Level 2 [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Commodity Contract [Member]
Fair Value of Derivatives	$ 797	$ 1,386
Foreign Exchange Contract [Member]
Fair Value of Derivatives	(148)	(154)
Interest Rate Swap [Member]
Fair Value of Derivatives	$ (9,476)	$ (29,536)

X

- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611

+ Details

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