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SECURITIES - NARRATIVE (Details) - USD ($)
3 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Jun. 30, 2023
Debt Securities, Available-for-sale [Line Items]      
Available-for-sale securities, credit losses $ 0 $ 0  
Proceeds from sale and repayment of available-for-sale investment securities 0 $ 0  
Asset Pledged as Collateral      
Debt Securities, Available-for-sale [Line Items]      
Available-for-sale securities pledged as collateral $ 900,000   $ 900,000