v3.25.1
Note 6 - Fair Value Measurements (Details Textual) - Fair Value Measured at Net Asset Value Per Share [Member] - Private Investment Funds [Member]
$ in Millions
Mar. 31, 2025
USD ($)
Investments, Fair Value Disclosure $ 30.1
Unfunded Loan Commitment [Member]  
Investments, Fair Value Disclosure $ 10.7