Amount of affordable housing tax credits and other tax benefits recognized.

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Amount of investment in qualified affordable housing projects.

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Amount of commitment or contingent commitments to qualified affordable housing project investments.

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Qualified Affordable Housing (Details) - USD ($)	12 Months Ended
Qualified Affordable Housing (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Sep. 11, 2019
Schedule of Equity Method Investments [Line Items]
Investments in qualified affordable housing projects		$ 8,400,000	$ 4,800,000
Tax credits to offset amortization expense of investments in affordable housing projects		2,200,000	4,200,000	$ 3,400,000
New Qualified Affordable Housing Project
Schedule of Equity Method Investments [Line Items]
Investments in qualified affordable housing projects		7,100,000
New qualified affordable housing project commitment					$ 10,200,000
Noninterest Expense
Schedule of Equity Method Investments [Line Items]
Amortization expense of investments in qualified affordable housing projects		$ 3,200,000	$ 2,600,000	$ 2,700,000
Forecast \| New Qualified Affordable Housing Project
Schedule of Equity Method Investments [Line Items]
Amortization expense of investments in qualified affordable housing projects	$ 0
Tax credits to offset amortization expense of investments in affordable housing projects	$ 0