FAIR VALUE MEASUREMENTS - Changes in Fair Value of Investment in Rubicon Measured at Fair Value on Recurring Basis Utilizing Level 1 Assumptions (Details) - Recurring Basis [Member] - Level 1 [Member] - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
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Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
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| FAIR VALUE MEASUREMENTS [Abstract] | ||||
| Balances at beginning of period | $ 0 | $ 1,828 | $ 4,631 | $ 1,518 |
| Fair value adjustment to Rubicon investment | 0 | 587 | (4,631) | 897 |
| Balances at end of period | $ 0 | $ 2,415 | $ 0 | $ 2,415 |
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of realized and unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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