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SECURITIES - Narrative (Details) - USD ($) | 6 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2019 | Oct. 01, 2018 | Sep. 30, 2018
Item Effected [Line Items] |  |  |
Equity securities cost | $ 1,800,000 |  |
Equity securities fair value | 1,900,000 |  |
Equity Securities without readily determinable fair value, amount | 2,400,000 |  | $ 2,000,000
Federal Home Loan Bank Stock, at cost | 7,436,000 |  | $ 23,400,000
Impairment recognized | $ 0 |  |
Accounting Standards Update 2016-01 | Retained Earnings |  |  |
Item Effected [Line Items] |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  | $ 475,000 |

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- Definition Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 325 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=75031641&loc=d3e63345-112809 + Details
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