Note 1 - Description of the Business and Summary of Significant Accounting Policies - Estimated Fair Value of Long-term Debt (Details) - Fair Value, Inputs, Level 2 [Member] - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Reported Value Measurement [Member]
Long-term Debt, carrying amount	$ 545,720	$ 547,210
Estimate of Fair Value Measurement [Member]
Long-term Debt, fair value	$ 548,433	$ 551,019

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.

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+ Details