v3.26.1
Commitments and Contingencies - Off-balance-sheet and Credit Risk (Details) - USD ($)
$ in Millions
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Commitments and Contingencies    
Unused Commitments to Extend Credit $ 948.5 $ 944.0
Commitments to originate fixed rate loans $ 182.4  
Weighted-average rate 6.59%  
Commitments extended period 30 days  
Diversified portfolio, loans $ 1,600.0  
Minimum    
Commitments and Contingencies    
Commitments to originate fixed rate loans rates 4.65%  
Maximum    
Commitments and Contingencies    
Commitments to originate fixed rate loans rates 8.25%