FAIR VALUE MEASUREMENT OF FINANCIAL INSTRUMENTS - Schedule of Reconciliation of Changes in Fair Value of Financial Assets and Liabilities Classified as Level 3 (Details) - Level 3 - Equity Securities Without Readily Determinable Fair Value - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
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Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Sep. 30, 2025 |
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| Reconciliation of changes in the fair value of our financial assets | |||||
| Assets at beginning of period | $ 17,547 | $ 45,519 | $ 20,861 | $ 30,090 | $ 30,090 |
| Purchases | 1,201 | 594 | 2,239 | 1,528 | |
| Disposals | 0 | (27,117) | 0 | (27,117) | |
| Sales | 0 | 0 | (124) | 0 | |
| Transfer in | 0 | 320 | 0 | 320 | |
| Total gain (loss): | |||||
| Included in earnings | 0 | 624 | (4,228) | 15,119 | |
| Assets at end of period | $ 18,748 | $ 19,940 | $ 18,748 | $ 19,940 | $ 20,861 |
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- Definition Fair Value, Asset Acquired Total Gains (Losses) No definition available.
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- Definition Fair Value, Measurement with Unobservable Inputs Reconciliation, Disposals No definition available.
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- Definition Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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