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FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Assets Measured at Fair Value on a Non-recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Jun. 30, 2023
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, fair value	$ 1,154,449	$ 1,299,353
Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable	1,896	17,721
Assets, fair value		12,956
Fair Value, Measurements, Nonrecurring | Residential
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable		449
Fair Value, Measurements, Nonrecurring | Commercial | Multi-family mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable	1,896	7,300
Fair Value, Measurements, Nonrecurring | Commercial | Nonresidential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable		9,972
Assets, fair value		12,956
Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable	0	0
Assets, fair value		0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Measurements, Nonrecurring | Residential
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable		0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Measurements, Nonrecurring | Commercial | Multi-family mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Measurements, Nonrecurring | Commercial | Nonresidential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable		0
Assets, fair value		0
Significant Other Observable Inputs (Level 2)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Assets, fair value	1,154,449	1,299,353
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable	0	0
Assets, fair value		0
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Nonrecurring | Residential
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable		0
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Nonrecurring | Commercial | Multi-family mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable	0	0
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Nonrecurring | Commercial | Nonresidential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable		0
Assets, fair value		0
Significant Unobservable Inputs (Level 3)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable	1,896	17,721
Assets, fair value	0	0
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Nonrecurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable	1,896	17,721
Assets, fair value		12,956
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Nonrecurring | Residential
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable		449
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Nonrecurring | Commercial | Multi-family mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable	$ 1,896	7,300
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Nonrecurring | Commercial | Nonresidential mortgage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net loans receivable		9,972
Assets, fair value		$ 12,956

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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