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Note 5 - Other Investments (Details Textual)
$ in Millions
Jun. 30, 2023
USD ($)
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures $ 136.6
Preferred Equity Investments [Member]  
Equity Method Investments 96.7
Preferred Equity Investments [Member] | Admore PA Property [Member]  
Equity Method Investments 27.1
Equity Method Investment, Aggregate Cost $ 19.6