v3.25.4
Debt Securities (Details)
3 Months Ended 6 Months Ended
Dec. 31, 2025
USD ($)
loan
Dec. 31, 2024
USD ($)
Dec. 31, 2025
USD ($)
loan
Dec. 31, 2024
USD ($)
Sep. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
loan
Sep. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Marketable Securities [Line Items]                
Allowance for credit losses on available for sale debt securities $ 0   $ 0     $ 0    
Allowance for credit losses on held to maturity debt securities $ 0   $ 0     $ 0    
Number of securities in unrealized loss position in less than 12 months | loan 0   0     4    
Number of securities in unrealized loss position over 12 months | loan 35   35     40    
Securities pledged as collateral $ 33,000   $ 33,000     $ 79,000    
Accrued interest receivable 35,584   35,584     64,377    
Sales of available for sale debt securities 0 $ 0 0 $ 0        
Transfers of debt securities between categories 0 0 0 0        
Provision for credit losses 1,702,526 $ 1,651,000 1,702,526 $ 1,651,000 $ 1,669,000 $ 1,708,269 $ 1,642,000 $ 1,797,000
Mortgage-backed                
Marketable Securities [Line Items]                
Provision for credit losses $ 0   $ 0