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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, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Other comprehensive income (loss) |  |  |  |  |
Available-for-sale investments before tax |  | $ (223) | $ 44 | $ (469) | $ (237)
Tax benefit (expense) |  | 115 | (16) | 129 | 86
Available-for-sale investments after tax |  | (108) | 28 | (340) | (151)
Reclassification adjustment for net unrealized gains on securities reclassified available for sale |  |  |  | 104 |
Tax benefit (expense) |  |  |  | (32) |
Reclassification adjustment for net unrealized gains on securities reclassified available for sale net of tax |  |  |  | 72 |
Reclassification adjustment for net gains (losses) realized on available-for-sale investments before tax | [1],[2] |  |  | (107) |
Tax benefit (expense) | [1],[2] |  |  | 33 |
Reclassification adjustment for net gains (losses) realized on available-for-sale investments after tax | [1],[2] |  |  | (74) |
Other comprehensive income, net before tax |  | (223) | 44 | (472) | (237)
Tax benefit (expense), Total |  | 115 | (16) | 130 | 86
Other comprehensive (loss), net |  | $ (108) | $ 28 | $ (342) | $ (151)
[1] | Realized gains on securities transactions included in gains on sales of investment securities in the accompanying Consolidated Statements of Operations.
[2] | Tax effect included in income tax expense in the accompanying Consolidated Statements of Operations.

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- Definition Amount before tax and reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities and unrealized holding gain (loss) related to transfers of securities into the available-for-sale classification and out of the held-to-maturity classification. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580 + Details
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- Definition Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities and unrealized holding gain (loss) related to transfers of securities into the available-for-sale classification and out of the held-to-maturity classification. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580 + Details
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