v3.25.2
Securities (Details)
12 Months Ended
Jun. 30, 2025
USD ($)
Category
Jun. 30, 2024
USD ($)
Securities [Abstract]    
Number of categories utilized under risk management approach of diversified investing (in Category) | Category 3  
Accrued interest receivable $ 4,500,000 $ 4,000,000
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Accrued interest receivable Accrued interest receivable
Debt Securities, Available-for-Sale, Allowance for Credit Loss $ 0 $ 0
Accrued interest receivable $ 4,900,000 $ 4,100,000
Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Accrued interest receivable Accrued interest receivable
Available for sale securities transferred at fair value to held to maturity $ 0 $ 0
Proceeds from sale of available-for-sale securities 6,676,000 0
Gross realized gains (losses) on sale of available-for-sale securities (665,000) 0
U.S. Treasury Securities [Member]    
Securities [Abstract]    
Proceeds from sale of available-for-sale securities 6,700,000  
Deposits in Excess of FDIC Insurance Limits [Member] | Asset Pledged as Collateral [Member]    
Securities [Abstract]    
Securities, fair value 1,000,000,000 894,500,000
Potential Borrowings at Federal Reserve Bank Discount Window and Bank Term Funding Program [Member] | Asset Pledged as Collateral [Member]    
Securities [Abstract]    
Securities, fair value $ 18,200,000 $ 40,000,000