FAIR VALUE OF FINANCIAL INSTRUMENTS - Quantitative Information on Assed Value, Non Recurring (Details) $ in Thousands	Mar. 31, 2023 USD ($)	Jun. 30, 2022 USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans:	$ 18,940	$ 21,031
Other real estate owned	13,410	178
Market valuation of underlying collateral | Measurement Input, Cost to Sell | Residential
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans:	449	2,035
Other real estate owned	$ 454	$ 178
Collateral dependent loans, measurement input	0.0692
Other real estate owned, measurement input	0.0600	0.0600
Market valuation of underlying collateral | Measurement Input, Cost to Sell | Commercial Portfolio Segment
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Other real estate owned, measurement input	0.0400
Market valuation of underlying collateral | Measurement Input, Cost to Sell | Commercial Portfolio Segment | Multi-family mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans:	$ 7,529	$ 7,517
Market valuation of underlying collateral | Measurement Input, Cost to Sell | Commercial Portfolio Segment | Nonresidential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans:	10,962	$ 11,479
Other real estate owned	$ 12,956
Market valuation of underlying collateral | Minimum | Measurement Input, Cost to Sell | Residential
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input		0.07
Market valuation of underlying collateral | Minimum | Measurement Input, Cost to Sell | Commercial Portfolio Segment | Multi-family mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input	0.10	0.10
Market valuation of underlying collateral | Minimum | Measurement Input, Cost to Sell | Commercial Portfolio Segment | Nonresidential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input	0.09	0.09
Market valuation of underlying collateral | Maximum | Measurement Input, Cost to Sell | Residential
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input		0.10
Market valuation of underlying collateral | Maximum | Measurement Input, Cost to Sell | Commercial Portfolio Segment | Multi-family mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input	0.12	0.12
Market valuation of underlying collateral | Maximum | Measurement Input, Cost to Sell | Commercial Portfolio Segment | Nonresidential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input	0.19	0.18
Market valuation of underlying collateral | Weighted Average | Measurement Input, Cost to Sell | Residential
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input	0.0692	0.0897
Other real estate owned, measurement input	0.0600	0.0600
Market valuation of underlying collateral | Weighted Average | Measurement Input, Cost to Sell | Commercial Portfolio Segment
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Other real estate owned, measurement input	0.0400
Market valuation of underlying collateral | Weighted Average | Measurement Input, Cost to Sell | Commercial Portfolio Segment | Multi-family mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input	0.1093	0.1106
Market valuation of underlying collateral | Weighted Average | Measurement Input, Cost to Sell | Commercial Portfolio Segment | Nonresidential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent loans, measurement input	0.1395	0.1272