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Deposits - Additional Information (Details)
12 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Deposits    
Related party deposits $ 8,000,000 $ 6,300,000
Deposits reclassified to loans held for investment $ 17,000 $ 24,000
Federal Reserve Bank of San Francisco    
Deposits    
Percentage of reserve ratios on transaction accounts maintained in depository institution 0 0
Minimum reserve $ 0 $ 0