v3.25.1
Investments, Debt and Equity Securities (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2025
Mar. 31, 2024
Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract]          
Debt Securities, Trading, Unrealized Gain (Loss) $ (66) $ (57) $ (33) $ 62  
Unrealized Gain (Loss) on Investments 5,481 $ (1,909) 7,829 $ (1,790)  
Marketable Securities [Line Items]          
Equity Securities, FV-NI 62,339   62,339   $ 31,639
Debt Securities, Trading 3,509   3,509   3,364
Marketable Securities, Current $ 65,848   $ 65,848   $ 35,003