Commitments and Contingencies - Off-balance-sheet and Credit Risk (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Unused Commitments to Extend Credit	$ 912.0	$ 707.7
Commitments to originate fixed rate loans	$ 213.3
Weighted-average rate	6.07%
Commitments extended period	30 days
Diversified portfolio, loans	$ 1,500.0
Minimum
Term	12 months
Commitments to originate fixed rate loans rates	3.95%
Maximum
Term	24 months
Commitments to originate fixed rate loans rates	11.00%