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LOANS RECEIVABLE - Schedule of Carrying Value of Collateral Dependent Individually Analyzed Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Jun. 30, 2023
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, individually evaluated for impairment | $ 28,100 |
Collateral Pledged |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, individually evaluated for impairment | 19,890 | $ 38,196
Financing receivable, allowance for credit losses, individually evaluated for impairment | 35 | 3,327
Commercial | Collateral Pledged |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, individually evaluated for impairment | 17,235 | 35,321
Financing receivable, allowance for credit losses, individually evaluated for impairment | 35 | 3,327
Commercial | Multi-family mortgage | Collateral Pledged |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, individually evaluated for impairment | 13,213 | 19,114
Financing receivable, allowance for credit losses, individually evaluated for impairment | 35 | 326
Commercial | Nonresidential mortgage | Collateral Pledged |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, individually evaluated for impairment | 4,022 | 16,207
Financing receivable, allowance for credit losses, individually evaluated for impairment | 0 | 3,001
Residential | Collateral Pledged |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Financing receivable, individually evaluated for impairment | 2,635 | 2,875
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 | 20 | 0
Financing receivable, allowance for credit losses, individually evaluated for impairment | $ 0 | $ 0

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