Qualified Affordable Housing (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) housing_project	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Schedule of Equity Method Investments [Line Items]
Investments in qualified affordable housing projects	$ 23.6	$ 12.6
Tax credits to offset amortization expense of investments in affordable housing projects	1.2	2.0	$ 2.2
New Qualified Affordable Housing Project
Schedule of Equity Method Investments [Line Items]
Investments in qualified affordable housing projects	$ 20.1
Number of qualified affordable housing projects | housing_project	3
Funds invested, amount	$ 4.4
Noninterest Expense
Schedule of Equity Method Investments [Line Items]
Amortization expense of investments in qualified affordable housing projects	$ 1.4	$ 1.2	$ 3.2