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Note 9 - Derivative Instruments - Impact from Derivatives on Consolidated Statements of Comprehensive Income (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Derivatives | $ (5) | $ (31) | $ (164)
Interest Rate Swap [Member] | ABL Credit Facility [Member] |  |  |
Derivatives |  |  | (98)
Interest Rate Swap [Member] | Chicago Tube and Iron Company Acquisition [Member] |  |  |
Derivatives | (5) | (31) | (66)
Metal Swaps [Member] |  |  |
Derivatives | (79) | 475 | 68
Embedded Customer Derivatives [Member] |  |  |
Derivatives | $ 79 | $ (475) | $ (68)

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- Definition Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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- Details
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- Details
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