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Note 6 - Other Investments (Details Textual) - USD ($)
$ in Thousands
Mar. 31, 2024
Mar. 31, 2023
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Investments in and Advances to Other Investments $ 12,672 $ 0
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures 156,200  
Preferred Equity Investments [Member]    
Equity Method Investments 118,400  
RPT [Member]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Investments in and Advances to Other Investments $ 12,672