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Marketable Securities - Investments in equity securities (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Jun. 30, 2024
Net Investment Income [Line Items]    
Fair Value   $ 0
Mutual Funds    
Net Investment Income [Line Items]    
Cost $ 6,008 5,857
Fair Value 5,852 5,398
Unrealized Gain (Loss) $ (156) $ (459)