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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Additional Information (Details) | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2023 USD ($) No | Dec. 31, 2022 USD ($) | Dec. 31, 2023 USD ($) No | Dec. 31, 2022 USD ($) | Jul. 01, 2023 USD ($) | Jun. 30, 2023 USD ($)
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |
Retained earnings | $ 50,106,000 |  | $ 50,106,000 |  | $ 223,000 | $ 50,416,000
Total Amortized Cost | 177,010,000 |  | 177,010,000 |  |  |
Accrued interest receivable | $ 556,000 |  | $ 556,000 |  |  |
Mortagage Loan Term |  |  | 25 years |  |  |
Loans and leases receivable, impaired, description | Management performed a discounted cash flow calculation to determine the amount of impairment reserve required on each of the troubled debt restructurings. |  |  |  |  |
Accrued expenses and other liabilities | $ 3,626,000 |  | $ 3,626,000 |  | $ 23,000 | 3,509,000
Change in provision for credit losses due to economic forecast | 8,000 |  | 118,000,000 |  |  |
Provision for Credit Losses for Off-Balance Sheet Exposures | 0 |  | 11,000,000 |  |  |
Unfunded Commitments | 185,000 |  | 690,000,000 |  |  |
Loan modification | $ 0 |  | $ 0 |  |  |
Defaulted modified loans | No | 0 |  | 0 |  |  |
Charge-offs | $ 0 | $ 0 | $ 0 | $ 0 |  |
Multifamily [Member] |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |
Total Amortized Cost | 12,691,000 |  | 12,691,000 |  |  |
Individually Evaluated Loans | 387,000 |  | 387,000 |  |  |
Charge-offs |  | 0 |  | $ 0 |  |
Pass [Member] |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |
Total Amortized Cost | 174,519,000 |  | 174,519,000 |  |  |
Financing receivable, Nonaccrual | 94,000 |  | 94,000 |  |  |
Change in provision for credit losses due to economic forecast |  |  | 896 |  |  |
Provision for Credit Losses for Off-Balance Sheet Exposures |  |  | 150 |  |  |
Pass [Member] | Multifamily [Member] |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |
Total Amortized Cost | 12,304,000 |  | 12,304,000 |  |  |
Special Mention [Member] |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |
Total Amortized Cost | 2,002,000 |  | 2,002,000 |  |  |
Financing receivable, Nonaccrual | 2,000,000 |  | 2,000,000 |  |  | 1,400,000
Special Mention [Member] | Multifamily [Member] |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |
Total Amortized Cost | 387,000 |  | $ 387,000 |  |  |
Second Mortgage [Member] |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |
Mortagage Loan Value Ratio |  |  | 80.00% |  |  |
Mortagage Loan Term |  |  | 15 years |  |  |
Home Equity Line of Credit [Member] |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |
Mortagage Loan Value Ratio |  |  | 80.00% |  |  |
Mortagage Loan Term |  |  | 20 years |  |  |
1-4 family [Member] |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |
Mortagage Loan Value Ratio |  |  | 80.00% |  |  |
Individually Evaluated Loans | 1,700,000 |  | $ 1,700,000 |  |  |
Loans Receivable [Member] |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |
Financing receivable, Ninety days or more past due, Still accruing | 0 |  | 0 |  |  | 0
Financing receivable, troubled debt restructuring, subsequent default | 0 | $ 0 |  |  |  |
Loans Receivable [Member] | Financial Asset, Past Due [Member] |  |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |  |
Total Amortized Cost | $ 94,000,000 |  | $ 94,000,000 |  |  | $ 0

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