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Note 8 - Debt (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Schedule of Debt [Table Text Block] |
|  | As of December 31, |
(in thousands) |  | 2018 |  |  | 2017 |
Asset-based revolving credit facility due December 8, 2022 |  | $ | 302,530 |  |  | $ | 196,235 |
Industrial revenue bond due April 1, 2018 |  |  | - |  |  |  | 930 |
Total debt |  |  | 302,530 |  |  |  | 197,165 |
Less current amount |  |  | - |  |  |  | (930 | )
Total long-term debt |  | $ | 302,530 |  |  | $ | 196,235 |
Schedule of Maturities of Long-term Debt [Table Text Block] |
(in thousands) |  | 2019 |  |  | 2020 |  |  | 2021 |  |  | 2022 |  |  | 2023 |  |  | Total |  |  | Total |
ABL Credit Facility |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | 302,530 |  |  | $ | - |  |  | $ | 302,530 |  |  | $ | 605,060 |
Total principal payments |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | 302,530 |  |  | $ | - |  |  | $ | 302,530 |  |  | $ | 605,060 |

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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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