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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

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