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Note 8 - Debt - Summary of Debt Outstanding (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023 | Jul. 05, 2023 | Jul. 03, 2023
--- | --- | --- | --- | ---
Long-term debt, gross | $ 724,767 | $ 751,651 |  |
Debt discount and issuance costs | (13,776) | (17,213) |  |
Less: Current portion of long-term debt | (102,993) | (103,077) |  |
Total long-term debt | 607,998 | 631,361 |  |
Supplier Facility Agreements [Member] |  |  |  |
Long-term debt, gross | 12,267 | 14,151 |  |
Secured Debt [Member] |  |  |  |
Long-term debt, gross | 287,500 | 312,500 | $ 318,300 |
Unsecured Debt [Member] |  |  |  |
Long-term debt, gross | 250,000 | 250,000 |  | $ 243,100
Nordic Bond [Member] |  |  |  |
Long-term debt, gross | $ 175,000 | $ 175,000 |  |

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 + Details
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