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Note 8 - Debt - Summary of Debt Outstanding (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Long-term debt, gross |  | $ 662,725 | $ 751,651
Debt discount and issuance costs |  | (12,268) | (17,213)
Less: Current portion of long-term debt |  | (53,105) | (103,077)
Total long-term debt |  | 597,352 | 631,361
Supplier Facility Agreements [Member] |  |  |
Long-term debt, gross |  | 12,725 | 14,151
Secured Debt [Member] |  |  |
Long-term debt, gross | [1] | 225,000 | 312,500
Unsecured Debt [Member] |  |  |
Long-term debt, gross | [2] | 250,000 | 250,000
Nordic Bond [Member] |  |  |
Long-term debt, gross | [3],[4] | $ 175,000 | $ 175,000
[1] | As of September 30, 2024 and December 31, 2023, the fair value (Level 3) of the Senior Secured Term Loan was $231.1 million and $313.7 million, respectively. The Level 3 fair value is derived from discounted present value calculations.
[2] | As of September 30, 2024 and December 31, 2023, the fair value (Level 2) of the 10.375% Senior Unsecured Notes due July 2028 was $270.5 million and $260.2 million, respectively. The fair value is obtained from public transaction activity on the Nordic ABM exchange (XOAM). The value is designated as Level 2 due to the limited regional reach of the XOAM.
[3] | Approximately $5.0 million of the amount in restricted cash on the condensed consolidated balance sheet at September 30, 2024, represents the pro rata amount due for our next semiannual interest payment obligation on the 8.50% Senior Secured Notes.
[4] | As of September 30, 2024 and December 31, 2023, the fair value (Level 2) of the 8.50% Senior Secured Notes due November 2026 was $181.3 million and $181.7 million, respectively. The fair value is obtained from public transaction activity on the XOAM. The value is designated as Level 2 due to the limited regional reach of the XOAM.

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