LOANS RECEIVABLE, NET (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2019	Sep. 30, 2018
Receivables [Abstract]
Loans receivable from directors, executives, affiliates	$ 2,900	$ 2,800
Principal Additions - loans receivable-related parties	502	137
Principal Repayments - loans receivable-related parties	233	231
Value of loans serviced on behalf of others	42,300	41,400
Mortgage Servicing Rights	26	45
Escrow balance held for loans serviced on behalf of others	78	78
Average Recorded Investment	9,200	6,100
Interest Income not recognized on non-accrual loans	530	40
Interest-only mortgage loans
Loans pledged as collateral against Federal Home Loan Bank of New York borrowings	176,900	172,400
Troubled Debt Restructurings Loans	3,100
Troubled Debt Restructurings Loans defaulted	1,600
Delinquent loans	7,200
Interest income	$ 165	$ 238

Delinquent loans.

No definition available.

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- Definition

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. Specific to escrow deposits held for loans serviced on behalf of others.

+ References

No definition available.

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- Definition

The principal balance of interest-only mortgage loans receivable on the company's books as of the balance sheet date.

+ References

No definition available.

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- Definition

The value of capitalized mortgage servicing rights.

+ References

No definition available.

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- Definition

TDR loans.

+ References

No definition available.

+ Details

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- Definition

TDR loans defaulted.

+ References

No definition available.

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- Definition

Aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due after one year (or one business cycle).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.11)
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-Name Accounting Standards Codification
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-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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- Definition

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
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- Definition

The increase (decrease) during the reporting period in receivables to be collected from other entities that could exert significant influence over the reporting entity.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 28
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-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

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- Definition

The increase (decrease) during the reporting period in the amount owed to the reporting entity in the form of loans and obligations (generally evidenced by promissory notes) made to the following types of related parties: a parent company and its subsidiaries; subsidiaries of a common parent; an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management, an entity and its principal owners, management, or member of their immediate families, affiliates, or other parties with the ability to exert significant influence.

+ References

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- Definition

Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
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- Definition

The gross interest income that would have been recorded in the period on troubled debt restructurings, if the loans had been current in accordance with their original terms and had been outstanding throughout the period or since origination, if held for part of the period.

+ References

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- Definition

Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.

+ References

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- References

No definition available.

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- Definition

Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

+ References

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