Loans, Analysis of Allowance for Credit Losses (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023
Allowance for Credit Losses [Abstract]
Increase in provision for credit losses	$ 0.1	$ 0.5
Allowance for credit losses to nonperforming loans	375.20%	324.50%	408.90%
Credit loss reserve as percentage of total loans outstanding	1.22%	1.22%	1.22%