Commitments and Contingencies - Off-balance-sheet and Credit Risk (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Unused Commitments to Extend Credit	$ 944.0	$ 898.6
Commitments to originate fixed rate loans	$ 200.2
Weighted-average rate	6.96%
Commitments extended period	30 days
Diversified portfolio, loans	$ 1,400.0
Minimum
Term	12 months
Commitments to originate fixed rate loans rates	4.75%
Maximum
Term	24 months
Commitments to originate fixed rate loans rates	8.28%