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Note A - Basis of Presentation (Details Textual) - USD ($) $ in Thousands | 3 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Derivative, Gain (Loss) on Derivative, Net | $ 430 | $ 2,754
Reclassified from Other income (loss) to Gain (loss) on Economic Hedges of Risk [Member] |  |
Derivative, Gain (Loss) on Derivative, Net | $ 2,800 |

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4A -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A + Details
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