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OTHER COMPREHENSIVE INCOME (LOSS) - Schedule of Components of Other Comprehensive Income (Loss) and the Related Income Tax Effects (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Before Tax Amount [Member]
Unrealized holding gain (loss) arising during period on:
Available-for-sale investments	$ 115	$ (14)	$ 141	$ 487
Total unrealized holding gain (loss) arising during period	115	(14)	141	487
Other comprehensive income (loss), net	115	(14)	141	487
Tax Expense [Member]
Unrealized holding gain (loss) arising during period on:
Available-for-sale investments	(28)	4	(35)	(120)
Total unrealized holding gain (loss) arising during period	(28)	4	(35)	(120)
Other comprehensive income (loss), net	(28)	4	(35)	(120)
Net of Tax Amount [Member]
Unrealized holding gain (loss) arising during period on:
Available-for-sale investments	87	(10)	106	367
Total unrealized holding gain (loss) arising during period	87	(10)	106	367
Other comprehensive income (loss), net	$ 87	$ (10)	$ 106	$ 367

X

- Definition

Amount, after tax and before adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.

+ References

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-Topic 220
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-Name Accounting Standards Codification
-Section 45
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Amount before tax, after reclassification adjustments of other comprehensive income (loss).

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