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Note 9 - Derivative Instruments - Impact from Derivatives on Consolidated Statements of Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Derivatives | $ (22) |  | $ (31) | $ (5)
Interest Rate Swap [Member] |  |  |  |
Derivatives | (22) |  | (31) |
Interest Rate Swap [Member] | Chicago Tube and Iron Company Acquisition [Member] |  |  |  |
Derivatives |  |  |  | (5)
Metal Swaps [Member] |  |  |  |
Derivatives | 3 | 101 | 133 | 207
Embedded Customer Derivatives [Member] |  |  |  |
Derivatives | $ (3) | $ (101) | $ (133) | $ (207)

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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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- Details
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