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FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | ---
Mar. 31, 2024 | Jun. 30, 2024 | Sep. 30, 2023
Debt and Equity Securities, FV-NI [Line Items] |  |  |
Gross realized gains (losses) | $ 0 | $ 0 |
Net unrealized losses on AFS debt securities, net of tax |  | $ 28,400,000 | $ 29,700,000
Maximum |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |
Derivative term (up to) |  | 13 months |
Level 2 |  |  |
Debt and Equity Securities, FV-NI [Line Items] |  |  |
Decrease in fair value due to impairments of certain equity investments that lack readily determinable market values |  | $ (3,500,000) |

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- Definition Amount of realized gain (loss) on investment. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(3)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 + Details
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