LOANS RECEIVABLE - Schedule of Carrying Value of Collateral Dependent Individually Analyzed Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	$ 39,800
Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	32,307	$ 32,613
Financing receivable, allowance for credit losses, individually evaluated for impairment	493	508
Commercial \| Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	29,946	31,189
Financing receivable, allowance for credit losses, individually evaluated for impairment	493	508
Commercial \| Multi-family mortgage \| Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	21,980	22,591
Financing receivable, allowance for credit losses, individually evaluated for impairment	0	0
Commercial \| Nonresidential mortgage \| Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	7,966	8,598
Financing receivable, allowance for credit losses, individually evaluated for impairment	493	508
Residential \| Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	2,343	1,406
Financing receivable, allowance for credit losses, individually evaluated for impairment	0	0
Consumer \| Home equity loans \| Collateral Pledged
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, individually evaluated for impairment	18	18
Financing receivable, allowance for credit losses, individually evaluated for impairment	$ 0	$ 0

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/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
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-Publisher FASB
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Amount of allowance for credit loss on financing receivable evaluated on individual basis. Excludes financing receivable evaluated on collective basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 4
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-Topic 310
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-Publisher FASB
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
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Amount of financing receivable individually evaluated for credit loss. Excludes financing receivable collectively evaluated for credit loss.

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