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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Allowance for Credit Losses (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Jun. 30, 2023
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Allowance for credit losses on loans: Individually evaluated for credit losses |  | $ 0
Allowance for credit losses on loans: Collectively evaluated for credit losses |  | 1,747
Loans: Individually evaluated for credit losses |  | 0
Loans: Collectively evaluated for credit losses |  | 178,009
Total loans | $ 177,010 | 178,009
ASU 2016-13 [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Allowance for credit losses on loans: Individually evaluated for credit losses | 21 |
Allowance for credit losses on loans: Collectively evaluated for credit losses | 1,620 |
Allowance for credit losses on loans: Total | 1,641 |
Loans: Individually evaluated for credit losses | 2,096 |
Loans: Collectively evaluated for credit losses | 174,914 |
Total loans | 177,010 |
Commercial Real Estate [Member] | ASU 2016-13 [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Allowance for credit losses on loans: Individually evaluated for credit losses | 0 |
Allowance for credit losses on loans: Collectively evaluated for credit losses | 289 |
Allowance for credit losses on loans: Total | 289 |
Loans: Individually evaluated for credit losses | 0 |
Loans: Collectively evaluated for credit losses | 20,047 |
Total loans | 20,047 |
Residential Real Estate [Member] | ASU 2016-13 [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Allowance for credit losses on loans: Individually evaluated for credit losses | 21 |
Allowance for credit losses on loans: Collectively evaluated for credit losses | 1,265 |
Allowance for credit losses on loans: Total | 1,286 |
Loans: Individually evaluated for credit losses | 2,096 |
Loans: Collectively evaluated for credit losses | 152,583 |
Total loans | 154,679 |
Consumer [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Allowance for credit losses on loans: Individually evaluated for credit losses |  | 0
Allowance for credit losses on loans: Collectively evaluated for credit losses |  | 0
Loans: Individually evaluated for credit losses |  | 0
Loans: Collectively evaluated for credit losses |  | 49
Total loans |  | $ 49
Consumer [Member] | ASU 2016-13 [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Allowance for credit losses on loans: Individually evaluated for credit losses | 0 |
Allowance for credit losses on loans: Collectively evaluated for credit losses | 66 |
Allowance for credit losses on loans: Total | 66 |
Loans: Individually evaluated for credit losses | 0 |
Loans: Collectively evaluated for credit losses | 2,284 |
Total loans | $ 2,284 |

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