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FAIR VALUE OF ASSETS AND LIABILITIES - Summary Of Generally Accepted Accounting Principles (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Jun. 30, 2022
--- | --- | ---
Assets: |  |
Cash and cash equivalents | $ 10,574 | $ 31,667
Securities available for sale, at fair value | 168 | 199
Securities held to maturity | 132,624 | 133,593
Federal Home Loan Bank of Boston stock | 191 | 191
Loans, net | 161,781 | 161,098
Accrued interest receivable | 1,303 | 1,265
Liabilities: |  |
Deposits | 259,368 | 268,039
Fair Value, Inputs, Level 1 [Member] |  |
Assets: |  |
Cash and cash equivalents | 10,574 | 31,667
Fair Value, Inputs, Level 2 [Member] |  |
Assets: |  |
Securities available for sale, at fair value | 168 | 199
Securities held to maturity | 132,624 | 133,593
Fair Value, Inputs, Level 3 [Member] |  |
Assets: |  |
Cash and cash equivalents |  |
Securities available for sale, at fair value |  |
Securities held to maturity |  |
Federal Home Loan Bank of Boston stock | 191 | 191
Loans, net | 161,781 | 161,098
Accrued interest receivable | 1,303 | 1,265
Liabilities: |  |
Deposits | 259,368 | 268,039
Carrying Value |  |
Assets: |  |
Cash and cash equivalents | 10,574 | 31,667
Securities available for sale, at fair value | 168 | 199
Securities held to maturity | 149,473 | 145,239
Federal Home Loan Bank of Boston stock | 191 | 191
Loans, net | 178,569 | 172,593
Accrued interest receivable | 1,303 | 1,265
Liabilities: |  |
Deposits | $ 275,462 | $ 287,075

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