v3.26.1
Securities (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Security
Mar. 31, 2026
USD ($)
Category
Security
Mar. 31, 2025
USD ($)
Security
Jun. 30, 2025
USD ($)
Securities [Abstract]          
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Accrued interest receivable   Accrued interest receivable   Accrued interest receivable
Allowance for credit loss $ 0   $ 0   $ 0
Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Accrued interest receivable   Accrued interest receivable   Accrued interest receivable
Number of categories utilized under risk management approach of diversified investing (in Category) | Category     3    
Available for sale securities transferred at fair value to held to maturity $ 0 $ 0 $ 0 $ 0  
Gross realized gains (losses) on sale of available-for-sale securities   $ (665) $ (576) $ (665)  
Number of available-for-sale securities sold (in Security) | Security   2 4 2  
Par value of securities sold   $ 7,000 $ 8,300 $ 7,000  
Federal Home Loan Bank Stock [Member]          
Securities [Abstract]          
Credit loss 0 $ 0 0 $ 0  
Deposits in Excess of FDIC Insurance Limits [Member] | Asset Pledged as Collateral [Member]          
Securities [Abstract]          
Securities, fair value 1,100,000   1,100,000   $ 1,000,000
Potential Borrowings at Federal Reserve Bank Discount Window and Bank Term Funding Program [Member] | Asset Pledged as Collateral [Member]          
Securities [Abstract]          
Securities, fair value $ 15,900   $ 15,900   $ 18,200