COMMITMENTS AND CONTINGENCIES - Summary Of Financial Instruments And Outstanding Amounts Represent Credit Risk (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Jun. 30, 2024
Commitments to grant loans
Loan Commitments [Line Items]
Off-Balance Sheet Commitments	$ 3,072	$ 775
Unadvanced funds on equity lines of credit
Loan Commitments [Line Items]
Off-Balance Sheet Commitments	3,839	4,107
Unadvanced funds on commercial and other lines of credit
Loan Commitments [Line Items]
Off-Balance Sheet Commitments	$ 2,001	$ 1,998