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Note 3 - Real Estate (Details Textual)
$ in Millions
3 Months Ended
Mar. 31, 2023
USD ($)
Financing Receivable, Face Amount $ 25.0
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, Net of Tax, Attributable to Noncontrolling Interest 1.5
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation 1.2
Property [Member]  
Tangible Asset Impairment Charges 11.8
Previously Held Equity Investments [Member]  
Gain (Loss) on Change of Control of Equity Investments $ 7.7
Equity Method Investment, Ownership Percentage 15.00%
Preferred Equity Investments [Member] | Admore PA Property [Member]  
Equity Method Investment, Aggregate Cost $ 19.6