OTHER COMPREHENSIVE INCOME - Schedule of Components of Other Comprehensive Income and the Related Income Tax Effects (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||
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Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Before Tax Amount [Member] | ||||||
| Other Comprehensive Income [Line Items] | ||||||
| Available-for-sale investments | $ 37 | $ 115 | $ 106 | $ 141 | ||
| Other comprehensive income, net | 37 | 115 | 106 | 141 | ||
| Tax Expense [Member] | ||||||
| Other Comprehensive Income [Line Items] | ||||||
| Available-for-sale investments | [1] | (9) | (28) | (26) | (35) | |
| Other comprehensive income, net | [1] | (9) | (28) | (26) | (35) | |
| Net of Tax Amount [Member] | ||||||
| Other Comprehensive Income [Line Items] | ||||||
| Available-for-sale investments | 28 | 87 | 80 | 106 | ||
| Other comprehensive income, net | $ 28 | $ 87 | $ 80 | $ 106 | ||
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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/disclosureRef
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- Definition Amount before tax, after reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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