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Note 4 - Fair Value Measurements - Financial Instruments Fair Value (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Carrying value, current |  | $ 1,057,803 | $ 704,349
Reported Value Measurement [Member] | Senior Unsecured Notes Due 2024 [Member] |  |  |
Carrying value, current | [1] | 0 | 250,000
Reported Value Measurement [Member] | The 10.625% Senior Notes [Member] |  |  |
Carrying value | [1] | 0 | 225,000
Estimate of Fair Value Measurement [Member] | Senior Unsecured Notes Due 2024 [Member] |  |  |
Carrying value, current | [1] | 0 | 250,000
Estimate of Fair Value Measurement [Member] | The 10.625% Senior Notes [Member] |  |  |
Carrying value | [1] | $ 0 | $ 225,000
[1] | Fair value is determined using Level 2 inputs. The Company’s senior unsecured notes are quoted, but not actively traded, on major exchanges; therefore, fair value is based on periodic values as quoted on major exchanges. See Note 7 for additional information.

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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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