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FAIR VALUE OF FINANCIAL INSTRUMENTS - Quantitative Information on Assed Value, Non Recurring (Details) - Significant Unobservable Inputs (Level 3) $ in Thousands | Mar. 31, 2026 USD ($) | Jun. 30, 2025 USD ($)
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Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Net loans receivable | $ 23,445 | $ 21,082
Market valuation of underlying collateral | Measurement Input, Cost to Sell | Commercial | Multi-family mortgage |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Net loans receivable | 18,748 | 16,385
Market valuation of underlying collateral | Measurement Input, Cost to Sell | Commercial | Nonresidential mortgage |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Net loans receivable | $ 4,697 | $ 4,697
Collateral dependent loans, measurement input | 0.0931 | 0.0944
Market valuation of underlying collateral | Minimum | Measurement Input, Cost to Sell | Commercial | Multi-family mortgage |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Collateral dependent loans, measurement input | 0.0600 | 0.0600
Market valuation of underlying collateral | Maximum | Measurement Input, Cost to Sell | Commercial | Multi-family mortgage |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Collateral dependent loans, measurement input | 0.2500 | 0.2400
Market valuation of underlying collateral | Weighted Average | Measurement Input, Cost to Sell | Commercial | Multi-family mortgage |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Collateral dependent loans, measurement input | 0.1263 | 0.1508
Market valuation of underlying collateral | Weighted Average | Measurement Input, Cost to Sell | Commercial | Nonresidential mortgage |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Collateral dependent loans, measurement input | 0.0931 | 0.0944

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