Loans, Analysis of Allowance for Credit Losses (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022
Allowance for Credit Losses [Abstract]
Period of reasonable and supportable forecast		12 months
Increase in provision for credit losses	$ 0.9		$ 1.9
Allowance for credit losses to nonperforming loans	408.90%	408.90%	408.90%	382.30%	305.90%
Credit loss reserve as percentage of total loans outstanding	1.22%	1.22%	1.22%	1.24%	1.19%