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Note 9 - Financial Instruments and Fair Value - Pre-tax Effect of Interest Rate Swaps (Details) $ in Thousands | Dec. 31, 2018 USD ($)
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Long-lived assets held for sale, fair value | $ 2,269

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- Definition Fair value portion of assets classified as held for sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258 + Details
Name: | us-gaap_AssetsHeldForSaleLongLivedFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant