Note 12 - Fair Value of Financial Instrument - Fair Value and Carrying Value of Long-term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Mar. 31, 2025
Carrying value	$ 271,477	$ 369,878
Fair value	$ 271,406	$ 364,276

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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+ Details

- 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.

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+ Details